Malware Analysis Report

2024-10-19 06:43

Sample ID 230913-nktcssbe4z
Target g8ae371b2e5be4d5d2d0c05.exe
SHA256 fe3f4e398b6d08758c70582e76aaf99c5f917de8a05ad9d67a884a07f695f015
Tags
gurcu collection discovery spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

fe3f4e398b6d08758c70582e76aaf99c5f917de8a05ad9d67a884a07f695f015

Threat Level: Known bad

The file g8ae371b2e5be4d5d2d0c05.exe was found to be: Known bad.

Malicious Activity Summary

gurcu collection discovery spyware stealer

Detect Gurcu Stealer V3 payload

Gurcu family

Gurcu, WhiteSnake

Reads user/profile data of web browsers

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Checks installed software on the system

Unsigned PE

outlook_win_path

outlook_office_path

Modifies system certificate store

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-09-13 11:27

Signatures

Detect Gurcu Stealer V3 payload

Description Indicator Process Target
N/A N/A N/A N/A

Gurcu family

gurcu

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-09-13 11:27

Reported

2023-09-13 11:30

Platform

win7-20230831-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe"

Signatures

Detect Gurcu Stealer V3 payload

Description Indicator Process Target
N/A N/A N/A N/A

Gurcu, WhiteSnake

stealer gurcu

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe N/A

Checks installed software on the system

discovery

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Modifies system certificate store

evasion spyware trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8 C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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 C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 0f00000001000000140000005bcaa1c2780f0bcb5a90770451d96f38963f012d0b000000010000001e000000440053005400200052006f006f0074002000430041002000580033000000090000000100000016000000301406082b0601050507030406082b06010505070301140000000100000014000000c4a7b1a47b2c71fadbe14b9075ffc415608589101d00000001000000100000004558d512eecb27464920897de7b66053030000000100000014000000dac9024f54d8f6df94935fb1732638ca6ad77c1320000000010000004e0300003082034a30820232a003020102021044afb080d6a327ba893039862ef8406b300d06092a864886f70d0101050500303f31243022060355040a131b4469676974616c205369676e617475726520547275737420436f2e311730150603550403130e44535420526f6f74204341205833301e170d3030303933303231313231395a170d3231303933303134303131355a303f31243022060355040a131b4469676974616c205369676e617475726520547275737420436f2e311730150603550403130e44535420526f6f7420434120583330820122300d06092a864886f70d01010105000382010f003082010a0282010100dfafe99750088357b4cc6265f69082ecc7d32c6b30ca5becd9c37dc740c118148be0e83376492ae33f214993ac4e0eaf3e48cb65eefcd3210f65d22ad9328f8ce5f777b0127bb595c089a3a9baed732e7a0c063283a27e8a1430cd11a0e12a38b9790a31fd50bd8065dfb7516383c8e28861ea4b6181ec526bb9a2e24b1a289f48a39e0cda098e3e172e1edd20df5bc62a8aab2ebd70adc50b1a25907472c57b6aab34d63089ffe568137b540bc8d6aeec5a9c921e3d64b38cc6dfbfc94170ec1672d526ec38553943d0fcfd185c40f197ebd59a9b8d1dbada25b9c6d8dfc115023aabda6ef13e2ef55c089c3cd68369e4109b192ab62957e3e53d9b9ff0025d0203010001a3423040300f0603551d130101ff040530030101ff300e0603551d0f0101ff040403020106301d0603551d0e04160414c4a7b1a47b2c71fadbe14b9075ffc41560858910300d06092a864886f70d01010505000382010100a31a2c9b17005ca91eee2866373abf83c73f4bc309a095205de3d95944d23e0d3ebd8a4ba0741fce10829c741a1d7e981addcb134bb32044e491e9ccfc7da5db6ae5fee6fde04eddb7003ab57049aff2e5eb02f1d1028b19cb943a5e48c4181e58195f1e025af00cf1b1ada9dc59868b6ee991f586cafab96633aa595bcee2a7167347cb2bcc99b03748cfe3564bf5cf0f0c723287c6f044bb53726d43f526489a5267b758abfe67767178db0da256141339243185a2a8025a3047e1dd5007bc02099000eb6463609b16bc88c912e6d27d918bf93d328d65b4e97cb15776eac5b62839bf15651cc8f677966a0a8d770bd8910b048e07db29b60aee9d82353510 C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe N/A
Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2200 wrote to memory of 2676 N/A C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe C:\Windows\system32\cmd.exe
PID 2200 wrote to memory of 2676 N/A C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe C:\Windows\system32\cmd.exe
PID 2200 wrote to memory of 2676 N/A C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe C:\Windows\system32\cmd.exe
PID 2676 wrote to memory of 320 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\chcp.com
PID 2676 wrote to memory of 320 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\chcp.com
PID 2676 wrote to memory of 320 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\chcp.com
PID 2676 wrote to memory of 2712 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\netsh.exe
PID 2676 wrote to memory of 2712 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\netsh.exe
PID 2676 wrote to memory of 2712 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\netsh.exe
PID 2676 wrote to memory of 2548 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\findstr.exe
PID 2676 wrote to memory of 2548 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\findstr.exe
PID 2676 wrote to memory of 2548 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\findstr.exe
PID 2200 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe C:\Windows\system32\cmd.exe
PID 2200 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe C:\Windows\system32\cmd.exe
PID 2200 wrote to memory of 2556 N/A C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe C:\Windows\system32\cmd.exe
PID 2556 wrote to memory of 2468 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\chcp.com
PID 2556 wrote to memory of 2468 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\chcp.com
PID 2556 wrote to memory of 2468 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\chcp.com
PID 2556 wrote to memory of 3056 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\netsh.exe
PID 2556 wrote to memory of 3056 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\netsh.exe
PID 2556 wrote to memory of 3056 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\netsh.exe
PID 2556 wrote to memory of 3052 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\findstr.exe
PID 2556 wrote to memory of 3052 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\findstr.exe
PID 2556 wrote to memory of 3052 N/A C:\Windows\system32\cmd.exe C:\Windows\system32\findstr.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe

"C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe"

C:\Windows\system32\cmd.exe

"cmd.exe" /c chcp 65001 && netsh wlan show profiles|findstr /R /C:"[ ]:[ ]"

C:\Windows\system32\chcp.com

chcp 65001

C:\Windows\system32\netsh.exe

netsh wlan show profiles

C:\Windows\system32\findstr.exe

findstr /R /C:"[ ]:[ ]"

C:\Windows\system32\cmd.exe

"cmd.exe" /c chcp 65001 && netsh wlan show networks mode=bssid | findstr "SSID BSSID Signal"

C:\Windows\system32\chcp.com

chcp 65001

C:\Windows\system32\netsh.exe

netsh wlan show networks mode=bssid

C:\Windows\system32\findstr.exe

findstr "SSID BSSID Signal"

Network

Country Destination Domain Proto
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
GB 217.145.238.175:80 217.145.238.175 tcp
US 8.8.8.8:53 transfer.sh udp
DE 144.76.136.153:443 transfer.sh tcp
US 8.8.8.8:53 apps.identrust.com udp
US 2.18.121.136:80 apps.identrust.com tcp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
NL 149.154.167.220:443 api.telegram.org tcp

Files

memory/2200-0-0x00000000011A0000-0x00000000011EE000-memory.dmp

memory/2200-1-0x000007FEF5B10000-0x000007FEF64FC000-memory.dmp

memory/2200-2-0x000000001AEA0000-0x000000001AF20000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Cab6173.tmp

MD5 f3441b8572aae8801c04f3060b550443
SHA1 4ef0a35436125d6821831ef36c28ffaf196cda15
SHA256 6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf
SHA512 5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

C:\Users\Admin\AppData\Local\Temp\Tar6212.tmp

MD5 9441737383d21192400eca82fda910ec
SHA1 725e0d606a4fc9ba44aa8ffde65bed15e65367e4
SHA256 bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5
SHA512 7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

MD5 8c24430bc90980878405a10d2e255bea
SHA1 e80f5ad12eb0983764db008129b8999ac1c7368a
SHA256 a08034a0a91213a026c82f2c211f15abceb05ebebc2ad5704b5005f56e04a1c2
SHA512 d03527e243dec9f8494a943fe2b2e69eaade7ca0f4f9484ef2c6db2fc8667b416ccfe5cf1f8af86e0ce03f40593f09745b969021df9f7308f03ac49d547069c2

memory/2200-64-0x000007FEF5B10000-0x000007FEF64FC000-memory.dmp

memory/2200-65-0x000000001AEA0000-0x000000001AF20000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-09-13 11:27

Reported

2023-09-13 11:30

Platform

win10v2004-20230831-en

Max time kernel

150s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe"

Signatures

Detect Gurcu Stealer V3 payload

Description Indicator Process Target
N/A N/A N/A N/A

Gurcu, WhiteSnake

stealer gurcu

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-528036852-1341495193-1175965888-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-528036852-1341495193-1175965888-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-528036852-1341495193-1175965888-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe N/A

Checks installed software on the system

discovery

Looks up external IP address via web service

Description Indicator Process Target
N/A ip-api.com N/A N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2648 wrote to memory of 3696 N/A C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe C:\Windows\SYSTEM32\cmd.exe
PID 2648 wrote to memory of 3696 N/A C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe C:\Windows\SYSTEM32\cmd.exe
PID 3696 wrote to memory of 2620 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\chcp.com
PID 3696 wrote to memory of 2620 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\chcp.com
PID 3696 wrote to memory of 740 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\netsh.exe
PID 3696 wrote to memory of 740 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\netsh.exe
PID 3696 wrote to memory of 4432 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\findstr.exe
PID 3696 wrote to memory of 4432 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\findstr.exe
PID 2648 wrote to memory of 2452 N/A C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe C:\Windows\SYSTEM32\cmd.exe
PID 2648 wrote to memory of 2452 N/A C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe C:\Windows\SYSTEM32\cmd.exe
PID 2452 wrote to memory of 2348 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\chcp.com
PID 2452 wrote to memory of 2348 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\chcp.com
PID 2452 wrote to memory of 4112 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\netsh.exe
PID 2452 wrote to memory of 4112 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\netsh.exe
PID 2452 wrote to memory of 4808 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\findstr.exe
PID 2452 wrote to memory of 4808 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\findstr.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-528036852-1341495193-1175965888-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-528036852-1341495193-1175965888-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe

"C:\Users\Admin\AppData\Local\Temp\g8ae371b2e5be4d5d2d0c05.exe"

C:\Windows\SYSTEM32\cmd.exe

"cmd.exe" /c chcp 65001 && netsh wlan show profiles|findstr /R /C:"[ ]:[ ]"

C:\Windows\system32\chcp.com

chcp 65001

C:\Windows\system32\netsh.exe

netsh wlan show profiles

C:\Windows\system32\findstr.exe

findstr /R /C:"[ ]:[ ]"

C:\Windows\SYSTEM32\cmd.exe

"cmd.exe" /c chcp 65001 && netsh wlan show networks mode=bssid | findstr "SSID BSSID Signal"

C:\Windows\system32\chcp.com

chcp 65001

C:\Windows\system32\netsh.exe

netsh wlan show networks mode=bssid

C:\Windows\system32\findstr.exe

findstr "SSID BSSID Signal"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 126.179.238.8.in-addr.arpa udp
US 8.8.8.8:53 ip-api.com udp
US 208.95.112.1:80 ip-api.com tcp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 1.112.95.208.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
GB 217.145.238.175:80 217.145.238.175 tcp
US 8.8.8.8:53 transfer.sh udp
DE 144.76.136.153:443 transfer.sh tcp
US 8.8.8.8:53 11.78.23.94.in-addr.arpa udp
US 8.8.8.8:53 175.238.145.217.in-addr.arpa udp
US 8.8.8.8:53 232.200.77.51.in-addr.arpa udp
US 8.8.8.8:53 api.telegram.org udp
NL 149.154.167.220:443 api.telegram.org tcp
US 8.8.8.8:53 153.136.76.144.in-addr.arpa udp
US 8.8.8.8:53 220.167.154.149.in-addr.arpa udp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
US 8.8.8.8:53 88.16.208.104.in-addr.arpa udp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp
FR 51.77.200.232:8080 51.77.200.232 tcp
FR 94.23.78.11:8080 94.23.78.11 tcp

Files

memory/2648-0-0x0000020763490000-0x00000207634DE000-memory.dmp

memory/2648-1-0x00007FFC2F380000-0x00007FFC2FE41000-memory.dmp

memory/2648-2-0x000002077D9A0000-0x000002077D9B0000-memory.dmp

memory/2648-3-0x00007FFC2F380000-0x00007FFC2FE41000-memory.dmp

memory/2648-4-0x000002077D9A0000-0x000002077D9B0000-memory.dmp