darkcomet | d9e52e956ead8a1836a176dec93351acf8aeca690f8505ef0501bf1ff3ef0193

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
08-07-2024 00:26

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General

Target

2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Size

251KB
MD5

2a56336d14687561184b0261a20d4608
SHA1

21b870ce986e15fb6a0e1feeb540a85c80ed952d
SHA256

d9e52e956ead8a1836a176dec93351acf8aeca690f8505ef0501bf1ff3ef0193
SHA512

c76d0c92f1e112e219557791f84537ade94cd81be2235303f2683fbf7b29d5b620d019426625c6fb49e90736402c6e830d67cab9ffed98137469f85f5c15f544
SSDEEP

6144:dRJQPYYabU6vUpFC0oc3kTyC8oh4rtTYRpVk5x:dYYP4C9IkTypoh4h

Score

10^/10

darkcomet latentbot guest16 persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

stevecarl2010.zapto.org:21

Mutex

DC_MUTEX-5G40BDR

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
d3ykdxuhewG2
install
true
offline_keylogger
true
persistence
false
reg_key
MicroUpdate

Extracted

Family

latentbot

stevecarl2010.zapto.org

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
LatentBot
Modular trojan written in Delphi which has been in-the-wild since 2013.
trojan latentbot

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

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\\MSDCSC\\msdcsc.exe"	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-771719357-2485960699-3367710044-1000\Control Panel\International\Geo\Nation	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2996	msdcsc.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3016-0-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/files/0x0008000000023413-6.dat	upx
behavioral2/memory/2996-14-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/3016-16-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/4176-18-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2996-20-0x0000000000400000-0x00000000004B5000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-771719357-2485960699-3367710044-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2996 set thread context of 4176	2996	msdcsc.exe	86

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeSecurityPrivilege	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeSystemtimePrivilege	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeBackupPrivilege	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeRestorePrivilege	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeShutdownPrivilege	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeDebugPrivilege	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeUndockPrivilege	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeManageVolumePrivilege	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeImpersonatePrivilege	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: 33	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: 34	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: 35	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: 36	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2996	msdcsc.exe
Token: SeSecurityPrivilege	2996	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2996	msdcsc.exe
Token: SeLoadDriverPrivilege	2996	msdcsc.exe
Token: SeSystemProfilePrivilege	2996	msdcsc.exe
Token: SeSystemtimePrivilege	2996	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2996	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2996	msdcsc.exe
Token: SeCreatePagefilePrivilege	2996	msdcsc.exe
Token: SeBackupPrivilege	2996	msdcsc.exe
Token: SeRestorePrivilege	2996	msdcsc.exe
Token: SeShutdownPrivilege	2996	msdcsc.exe
Token: SeDebugPrivilege	2996	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2996	msdcsc.exe
Token: SeChangeNotifyPrivilege	2996	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2996	msdcsc.exe
Token: SeUndockPrivilege	2996	msdcsc.exe
Token: SeManageVolumePrivilege	2996	msdcsc.exe
Token: SeImpersonatePrivilege	2996	msdcsc.exe
Token: SeCreateGlobalPrivilege	2996	msdcsc.exe
Token: 33	2996	msdcsc.exe
Token: 34	2996	msdcsc.exe
Token: 35	2996	msdcsc.exe
Token: 36	2996	msdcsc.exe
Token: SeIncreaseQuotaPrivilege	4176	iexplore.exe
Token: SeSecurityPrivilege	4176	iexplore.exe
Token: SeTakeOwnershipPrivilege	4176	iexplore.exe
Token: SeLoadDriverPrivilege	4176	iexplore.exe
Token: SeSystemProfilePrivilege	4176	iexplore.exe
Token: SeSystemtimePrivilege	4176	iexplore.exe
Token: SeProfSingleProcessPrivilege	4176	iexplore.exe
Token: SeIncBasePriorityPrivilege	4176	iexplore.exe
Token: SeCreatePagefilePrivilege	4176	iexplore.exe
Token: SeBackupPrivilege	4176	iexplore.exe
Token: SeRestorePrivilege	4176	iexplore.exe
Token: SeShutdownPrivilege	4176	iexplore.exe
Token: SeDebugPrivilege	4176	iexplore.exe
Token: SeSystemEnvironmentPrivilege	4176	iexplore.exe
Token: SeChangeNotifyPrivilege	4176	iexplore.exe
Token: SeRemoteShutdownPrivilege	4176	iexplore.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4176	iexplore.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 2996	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe	84
PID 3016 wrote to memory of 2996	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe	84
PID 3016 wrote to memory of 2996	3016	2a56336d14687561184b0261a20d4608_JaffaCakes118.exe	84
PID 2996 wrote to memory of 4176	2996	msdcsc.exe	86
PID 2996 wrote to memory of 4176	2996	msdcsc.exe	86
PID 2996 wrote to memory of 4176	2996	msdcsc.exe	86
PID 2996 wrote to memory of 4176	2996	msdcsc.exe	86
PID 2996 wrote to memory of 4176	2996	msdcsc.exe	86

C:\Users\Admin\AppData\Local\Temp\2a56336d14687561184b0261a20d4608_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2a56336d14687561184b0261a20d4608_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2996
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:4176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
251KB

MD5
2a56336d14687561184b0261a20d4608

SHA1
21b870ce986e15fb6a0e1feeb540a85c80ed952d

SHA256
d9e52e956ead8a1836a176dec93351acf8aeca690f8505ef0501bf1ff3ef0193

SHA512
c76d0c92f1e112e219557791f84537ade94cd81be2235303f2683fbf7b29d5b620d019426625c6fb49e90736402c6e830d67cab9ffed98137469f85f5c15f544

Download Submit
memory/2996-14-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2996-17-0x00000000007F0000-0x00000000007F1000-memory.dmp

Filesize
4KB

Download
memory/2996-20-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3016-0-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3016-1-0x00000000023C0000-0x00000000023C1000-memory.dmp

Filesize
4KB

Download
memory/3016-16-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4176-18-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads