darkcomet | e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2

Analysis

max time kernel
150s
max time network
52s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
01-12-2022 09:59

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General

Target

e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Size

658KB
MD5

6c5fd3c3e148394b510f7126cd06f5a0
SHA1

cb4c36bc1fe8b60cf0d991d10f43b3ef9e824e26
SHA256

e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2
SHA512

b3d42927b68a9cc73706cc8e379e986e63f05ef8b05ad5f3e0ca0b406cc457482d10a23932cbb1c1952ec6be953cb8b1eef8bb57b9e96dbf5266136989ba27c6
SSDEEP

12288:S9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hG:+Z1xuVVjfFoynPaVBUR8f+kN10EBI

Score

10^/10

darkcomet guest16_min persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

nidhal98.no-ip.biz:1177

Mutex

DCMIN_MUTEX-C8TDB2V

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
XxdZD4RQUhbT
install
true
offline_keylogger
true
persistence
false
reg_key
DarkComet RAT

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"	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe

Executes dropped EXE 1 IoCs

pid	Process
1948	IMDCSC.exe

Loads dropped DLL 2 IoCs

pid	Process
1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.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	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Token: SeSecurityPrivilege	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Token: SeTakeOwnershipPrivilege	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Token: SeLoadDriverPrivilege	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Token: SeSystemProfilePrivilege	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Token: SeSystemtimePrivilege	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Token: SeProfSingleProcessPrivilege	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Token: SeIncBasePriorityPrivilege	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Token: SeCreatePagefilePrivilege	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Token: SeBackupPrivilege	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Token: SeRestorePrivilege	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Token: SeShutdownPrivilege	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Token: SeDebugPrivilege	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Token: SeSystemEnvironmentPrivilege	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Token: SeChangeNotifyPrivilege	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Token: SeRemoteShutdownPrivilege	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Token: SeUndockPrivilege	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Token: SeManageVolumePrivilege	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Token: SeImpersonatePrivilege	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Token: SeCreateGlobalPrivilege	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Token: 33	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Token: 34	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Token: 35	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
Token: SeIncreaseQuotaPrivilege	1948	IMDCSC.exe
Token: SeSecurityPrivilege	1948	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	1948	IMDCSC.exe
Token: SeLoadDriverPrivilege	1948	IMDCSC.exe
Token: SeSystemProfilePrivilege	1948	IMDCSC.exe
Token: SeSystemtimePrivilege	1948	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	1948	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	1948	IMDCSC.exe
Token: SeCreatePagefilePrivilege	1948	IMDCSC.exe
Token: SeBackupPrivilege	1948	IMDCSC.exe
Token: SeRestorePrivilege	1948	IMDCSC.exe
Token: SeShutdownPrivilege	1948	IMDCSC.exe
Token: SeDebugPrivilege	1948	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	1948	IMDCSC.exe
Token: SeChangeNotifyPrivilege	1948	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	1948	IMDCSC.exe
Token: SeUndockPrivilege	1948	IMDCSC.exe
Token: SeManageVolumePrivilege	1948	IMDCSC.exe
Token: SeImpersonatePrivilege	1948	IMDCSC.exe
Token: SeCreateGlobalPrivilege	1948	IMDCSC.exe
Token: 33	1948	IMDCSC.exe
Token: 34	1948	IMDCSC.exe
Token: 35	1948	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1948	IMDCSC.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1376 wrote to memory of 1948	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe	26
PID 1376 wrote to memory of 1948	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe	26
PID 1376 wrote to memory of 1948	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe	26
PID 1376 wrote to memory of 1948	1376	e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe	26

C:\Users\Admin\AppData\Local\Temp\e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe
"C:\Users\Admin\AppData\Local\Temp\e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1376
- 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:1948

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
658KB

MD5
6c5fd3c3e148394b510f7126cd06f5a0

SHA1
cb4c36bc1fe8b60cf0d991d10f43b3ef9e824e26

SHA256
e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2

SHA512
b3d42927b68a9cc73706cc8e379e986e63f05ef8b05ad5f3e0ca0b406cc457482d10a23932cbb1c1952ec6be953cb8b1eef8bb57b9e96dbf5266136989ba27c6

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

Filesize
658KB

MD5
6c5fd3c3e148394b510f7126cd06f5a0

SHA1
cb4c36bc1fe8b60cf0d991d10f43b3ef9e824e26

SHA256
e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2

SHA512
b3d42927b68a9cc73706cc8e379e986e63f05ef8b05ad5f3e0ca0b406cc457482d10a23932cbb1c1952ec6be953cb8b1eef8bb57b9e96dbf5266136989ba27c6

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

Filesize
658KB

MD5
6c5fd3c3e148394b510f7126cd06f5a0

SHA1
cb4c36bc1fe8b60cf0d991d10f43b3ef9e824e26

SHA256
e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2

SHA512
b3d42927b68a9cc73706cc8e379e986e63f05ef8b05ad5f3e0ca0b406cc457482d10a23932cbb1c1952ec6be953cb8b1eef8bb57b9e96dbf5266136989ba27c6

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

Filesize
658KB

MD5
6c5fd3c3e148394b510f7126cd06f5a0

SHA1
cb4c36bc1fe8b60cf0d991d10f43b3ef9e824e26

SHA256
e14b4f64ad0a2ef004c84ad6b2a9b1800e7a58ea3e65cf4ac6fb8e33e59452d2

SHA512
b3d42927b68a9cc73706cc8e379e986e63f05ef8b05ad5f3e0ca0b406cc457482d10a23932cbb1c1952ec6be953cb8b1eef8bb57b9e96dbf5266136989ba27c6

Download Submit
memory/1376-54-0x0000000075091000-0x0000000075093000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads