darkcomet | 942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906

Analysis

max time kernel
152s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
06/11/2022, 10:26

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General

Target

942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Size

662KB
MD5

0a1d8f8dd5190e53e8a2419869243221
SHA1

f348282d158d12adb28e898cabed2803cd3d94a3
SHA256

942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906
SHA512

24bbc09167d7bdacc2a537227ffee4a276a353c0bafa2f0b6583ee3fddddabcff3a1bf04923f7384866d56683fba2ed96e725e6dc0818cbcdbbd7b2443cd5777
SSDEEP

12288:E3OpvNW4a76S/Ddon/m09bbYlIaaMcE2YGhq3vo1RnfAvIESJgoE26yc/RW:SOA4aWNn/m09fKIaaBEtWq3A1Ov8JgbE

Score

10^/10

darkcomet guest0_min persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest0_min

falfoul-chnayder.no-ip.biz:1604

Mutex

DCMIN_MUTEX-3JFEELN

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
HKU973wSilaS
install
true
offline_keylogger
true
persistence
false
reg_key
�� .a

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe

Executes dropped EXE 1 IoCs

pid	Process
2044	IMDCSC.exe

Loads dropped DLL 2 IoCs

pid	Process
1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\ÏÇÑßßæãíÊ ÝÃÑ.a = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Token: SeSecurityPrivilege	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Token: SeTakeOwnershipPrivilege	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Token: SeLoadDriverPrivilege	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Token: SeSystemProfilePrivilege	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Token: SeSystemtimePrivilege	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Token: SeProfSingleProcessPrivilege	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Token: SeIncBasePriorityPrivilege	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Token: SeCreatePagefilePrivilege	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Token: SeBackupPrivilege	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Token: SeRestorePrivilege	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Token: SeShutdownPrivilege	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Token: SeDebugPrivilege	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Token: SeSystemEnvironmentPrivilege	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Token: SeChangeNotifyPrivilege	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Token: SeRemoteShutdownPrivilege	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Token: SeUndockPrivilege	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Token: SeManageVolumePrivilege	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Token: SeImpersonatePrivilege	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Token: SeCreateGlobalPrivilege	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Token: 33	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Token: 34	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Token: 35	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
Token: SeIncreaseQuotaPrivilege	2044	IMDCSC.exe
Token: SeSecurityPrivilege	2044	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	2044	IMDCSC.exe
Token: SeLoadDriverPrivilege	2044	IMDCSC.exe
Token: SeSystemProfilePrivilege	2044	IMDCSC.exe
Token: SeSystemtimePrivilege	2044	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	2044	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	2044	IMDCSC.exe
Token: SeCreatePagefilePrivilege	2044	IMDCSC.exe
Token: SeBackupPrivilege	2044	IMDCSC.exe
Token: SeRestorePrivilege	2044	IMDCSC.exe
Token: SeShutdownPrivilege	2044	IMDCSC.exe
Token: SeDebugPrivilege	2044	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	2044	IMDCSC.exe
Token: SeChangeNotifyPrivilege	2044	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	2044	IMDCSC.exe
Token: SeUndockPrivilege	2044	IMDCSC.exe
Token: SeManageVolumePrivilege	2044	IMDCSC.exe
Token: SeImpersonatePrivilege	2044	IMDCSC.exe
Token: SeCreateGlobalPrivilege	2044	IMDCSC.exe
Token: 33	2044	IMDCSC.exe
Token: 34	2044	IMDCSC.exe
Token: 35	2044	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2044	IMDCSC.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1756 wrote to memory of 2044	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe	27
PID 1756 wrote to memory of 2044	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe	27
PID 1756 wrote to memory of 2044	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe	27
PID 1756 wrote to memory of 2044	1756	942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe	27

C:\Users\Admin\AppData\Local\Temp\942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe
"C:\Users\Admin\AppData\Local\Temp\942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1756
- C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
  "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2044

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

Filesize
662KB

MD5
0a1d8f8dd5190e53e8a2419869243221

SHA1
f348282d158d12adb28e898cabed2803cd3d94a3

SHA256
942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906

SHA512
24bbc09167d7bdacc2a537227ffee4a276a353c0bafa2f0b6583ee3fddddabcff3a1bf04923f7384866d56683fba2ed96e725e6dc0818cbcdbbd7b2443cd5777

Download Submit
\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

Filesize
662KB

MD5
0a1d8f8dd5190e53e8a2419869243221

SHA1
f348282d158d12adb28e898cabed2803cd3d94a3

SHA256
942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906

SHA512
24bbc09167d7bdacc2a537227ffee4a276a353c0bafa2f0b6583ee3fddddabcff3a1bf04923f7384866d56683fba2ed96e725e6dc0818cbcdbbd7b2443cd5777

Download Submit
\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

Filesize
662KB

MD5
0a1d8f8dd5190e53e8a2419869243221

SHA1
f348282d158d12adb28e898cabed2803cd3d94a3

SHA256
942d7c7eab4d4e739876c877984474b272be47e974a8bb70ba1c093ec8bbe906

SHA512
24bbc09167d7bdacc2a537227ffee4a276a353c0bafa2f0b6583ee3fddddabcff3a1bf04923f7384866d56683fba2ed96e725e6dc0818cbcdbbd7b2443cd5777

Download Submit
memory/1756-54-0x0000000076871000-0x0000000076873000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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