Malware Analysis Report

2024-12-06 03:03

Sample ID 241121-f6zspstmfn
Target 6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe
SHA256 6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54
Tags
discovery guloader downloader vipkeylogger collection keylogger spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

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

6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54

Threat Level: Known bad

The file 6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe was found to be: Known bad.

Malicious Activity Summary

discovery guloader downloader vipkeylogger collection keylogger spyware stealer

VIPKeylogger

Vipkeylogger family

Guloader,Cloudeye

Guloader family

Loads dropped DLL

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Looks up external IP address via web service

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of NtCreateThreadExHideFromDebugger

Drops file in Windows directory

Unsigned PE

System Location Discovery: System Language Discovery

Browser Information Discovery

Enumerates physical storage devices

Program crash

outlook_office_path

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

outlook_win_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-21 05:29

Signatures

Unsigned PE

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

Analysis: behavioral3

Detonation Overview

Submitted

2024-11-21 05:29

Reported

2024-11-21 05:32

Platform

win7-20240903-en

Max time kernel

122s

Max time network

123s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2664 -s 220

Network

N/A

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-11-21 05:29

Reported

2024-11-21 05:32

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4080 wrote to memory of 4336 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4080 wrote to memory of 4336 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4080 wrote to memory of 4336 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\System.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4336 -ip 4336

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4336 -s 612

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp

Files

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-21 05:29

Reported

2024-11-21 05:32

Platform

win7-20241010-en

Max time kernel

149s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe"

Signatures

Guloader family

guloader

Guloader,Cloudeye

downloader guloader

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\resources\0409\slnger\barometerstandenes.san C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3056 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe
PID 3056 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe
PID 3056 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe
PID 3056 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe
PID 3056 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe
PID 3056 wrote to memory of 2764 N/A C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe

Processes

C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe

"C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe"

C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe

"C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.onedrive.com udp
US 13.107.42.12:443 api.onedrive.com tcp
US 13.107.42.12:443 api.onedrive.com tcp
US 13.107.42.12:443 api.onedrive.com tcp
US 13.107.42.12:443 api.onedrive.com tcp
US 13.107.42.12:443 api.onedrive.com tcp
US 13.107.42.12:443 api.onedrive.com tcp
US 13.107.42.12:443 api.onedrive.com tcp
US 13.107.42.12:443 api.onedrive.com tcp
US 13.107.42.12:443 api.onedrive.com tcp
US 13.107.42.12:443 api.onedrive.com tcp
US 13.107.42.12:443 api.onedrive.com tcp

Files

\Users\Admin\AppData\Local\Temp\nst2260.tmp\System.dll

MD5 75ed96254fbf894e42058062b4b4f0d1
SHA1 996503f1383b49021eb3427bc28d13b5bbd11977
SHA256 a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
SHA512 58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

memory/3056-9-0x0000000002C50000-0x00000000043C9000-memory.dmp

memory/3056-10-0x0000000002C50000-0x00000000043C9000-memory.dmp

memory/3056-11-0x00000000778C1000-0x00000000779C2000-memory.dmp

memory/3056-12-0x00000000778C0000-0x0000000077A69000-memory.dmp

memory/3056-14-0x0000000002C50000-0x00000000043C9000-memory.dmp

memory/2764-13-0x00000000778C0000-0x0000000077A69000-memory.dmp

memory/2764-15-0x00000000007E0000-0x0000000001842000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Cab9C8F.tmp

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Users\Admin\AppData\Local\Temp\Tar9D2E.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-21 05:29

Reported

2024-11-21 05:32

Platform

win10v2004-20241007-en

Max time kernel

146s

Max time network

139s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe"

Signatures

Guloader family

guloader

Guloader,Cloudeye

downloader guloader

VIPKeylogger

stealer keylogger vipkeylogger

Vipkeylogger family

vipkeylogger

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\resources\0409\slnger\barometerstandenes.san C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe N/A

Browser Information Discovery

discovery

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe

"C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe"

C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe

"C:\Users\Admin\AppData\Local\Temp\6d7f0587ad61a77009ec4d739d3ffd3f74e0ab8a572913812bef6b8c2b89ea54.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 api.onedrive.com udp
US 13.107.42.12:443 api.onedrive.com tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 4jjxew.dm.files.1drv.com udp
US 13.107.42.12:443 4jjxew.dm.files.1drv.com tcp
US 8.8.8.8:53 12.42.107.13.in-addr.arpa udp
US 8.8.8.8:53 checkip.dyndns.org udp
JP 132.226.8.169:80 checkip.dyndns.org tcp
US 8.8.8.8:53 169.8.226.132.in-addr.arpa udp
US 8.8.8.8:53 reallyfreegeoip.org udp
US 172.67.177.134:443 reallyfreegeoip.org tcp
US 8.8.8.8:53 134.177.67.172.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 8.8.8.8:53 220.167.154.149.in-addr.arpa udp
US 8.8.8.8:53 mail.foodex.com.pk udp
FI 37.27.123.72:587 mail.foodex.com.pk tcp
US 8.8.8.8:53 72.123.27.37.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\nsw9701.tmp\System.dll

MD5 75ed96254fbf894e42058062b4b4f0d1
SHA1 996503f1383b49021eb3427bc28d13b5bbd11977
SHA256 a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
SHA512 58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

memory/3784-8-0x0000000002E00000-0x0000000004579000-memory.dmp

memory/3784-9-0x0000000077731000-0x0000000077851000-memory.dmp

memory/3784-10-0x0000000074424000-0x0000000074425000-memory.dmp

memory/3784-11-0x0000000002E00000-0x0000000004579000-memory.dmp

memory/1972-12-0x0000000001A40000-0x00000000031B9000-memory.dmp

memory/1972-13-0x00000000777B8000-0x00000000777B9000-memory.dmp

memory/1972-14-0x00000000777D5000-0x00000000777D6000-memory.dmp

memory/1972-18-0x00000000007E0000-0x0000000001A34000-memory.dmp

memory/1972-19-0x0000000001A40000-0x00000000031B9000-memory.dmp

memory/1972-20-0x00000000007E0000-0x000000000082A000-memory.dmp

memory/1972-21-0x0000000035D80000-0x0000000036324000-memory.dmp

memory/1972-22-0x0000000036330000-0x00000000363CC000-memory.dmp

memory/1972-24-0x0000000077731000-0x0000000077851000-memory.dmp

memory/1972-26-0x00000000368B0000-0x0000000036A72000-memory.dmp

memory/1972-27-0x0000000036AA0000-0x0000000036AF0000-memory.dmp

memory/1972-28-0x0000000036B80000-0x00000000370AC000-memory.dmp

memory/1972-30-0x0000000037100000-0x0000000037192000-memory.dmp

memory/1972-31-0x00000000371F0000-0x00000000371FA000-memory.dmp