darkcomet | 544e29c13d1f6d1746cb7b5c4209422614773ef4dd8587d8ce589300eab6e82f

Analysis

max time kernel
150s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
17-09-2024 02:34

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General

Target

e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Size

284KB
MD5

e5e0ccee0bc6cf9314807b4a2d334d59
SHA1

cb8f2993a0bd7573e38558af435f1fe5abc65f7b
SHA256

544e29c13d1f6d1746cb7b5c4209422614773ef4dd8587d8ce589300eab6e82f
SHA512

0ee5955ba9c9ab2821972e71c75f6c90d7fe4f97b5598a0a2d6d4e1c6915761e7158d4975c685d279fdac9bf53829c40a8834587e1619cd5cec548b6d7030af5
SSDEEP

6144:uD7cY2fgssM7Wirg9KXylmRiL+QMeC/i6isqX7UovnONztByipwxZL8:ul8E4w5huat7UovONzbXwn8

Score

10^/10

darkcomet latentbot windowsupdater discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

WindowsUpdater

darkcomet30.zapto.org:1604

Mutex

DC_MUTEX-2MNJYX6

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
kqx5djup7xA6
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

Extracted

Family

latentbot

darkcomet30.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"	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2760	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1900-0-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral1/files/0x0008000000016d71-8.dat	upx
behavioral1/memory/2760-16-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral1/memory/1900-14-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral1/memory/2760-19-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral1/memory/2760-20-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral1/memory/2760-22-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral1/memory/2760-23-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral1/memory/2760-24-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral1/memory/2760-25-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral1/memory/2760-26-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral1/memory/2760-27-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral1/memory/2760-28-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral1/memory/2760-29-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral1/memory/2760-30-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral1/memory/2760-31-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral1/memory/2760-32-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral1/memory/2760-33-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral1/memory/2760-34-0x0000000000400000-0x00000000004CA000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Token: SeSecurityPrivilege	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Token: SeBackupPrivilege	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Token: SeRestorePrivilege	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Token: SeShutdownPrivilege	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Token: SeDebugPrivilege	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Token: SeUndockPrivilege	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Token: 33	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Token: 34	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Token: 35	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2760	msdcsc.exe
Token: SeSecurityPrivilege	2760	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2760	msdcsc.exe
Token: SeLoadDriverPrivilege	2760	msdcsc.exe
Token: SeSystemProfilePrivilege	2760	msdcsc.exe
Token: SeSystemtimePrivilege	2760	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2760	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2760	msdcsc.exe
Token: SeCreatePagefilePrivilege	2760	msdcsc.exe
Token: SeBackupPrivilege	2760	msdcsc.exe
Token: SeRestorePrivilege	2760	msdcsc.exe
Token: SeShutdownPrivilege	2760	msdcsc.exe
Token: SeDebugPrivilege	2760	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2760	msdcsc.exe
Token: SeChangeNotifyPrivilege	2760	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2760	msdcsc.exe
Token: SeUndockPrivilege	2760	msdcsc.exe
Token: SeManageVolumePrivilege	2760	msdcsc.exe
Token: SeImpersonatePrivilege	2760	msdcsc.exe
Token: SeCreateGlobalPrivilege	2760	msdcsc.exe
Token: 33	2760	msdcsc.exe
Token: 34	2760	msdcsc.exe
Token: 35	2760	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2760	msdcsc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 2760	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe	30
PID 1900 wrote to memory of 2760	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe	30
PID 1900 wrote to memory of 2760	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe	30
PID 1900 wrote to memory of 2760	1900	e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e5e0ccee0bc6cf9314807b4a2d334d59_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2760

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

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
284KB

MD5
e5e0ccee0bc6cf9314807b4a2d334d59

SHA1
cb8f2993a0bd7573e38558af435f1fe5abc65f7b

SHA256
544e29c13d1f6d1746cb7b5c4209422614773ef4dd8587d8ce589300eab6e82f

SHA512
0ee5955ba9c9ab2821972e71c75f6c90d7fe4f97b5598a0a2d6d4e1c6915761e7158d4975c685d279fdac9bf53829c40a8834587e1619cd5cec548b6d7030af5

Download Submit
memory/1900-18-0x00000000037C0000-0x000000000388A000-memory.dmp

Filesize
808KB

Download
memory/1900-0-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1900-1-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/1900-15-0x00000000037C0000-0x000000000388A000-memory.dmp

Filesize
808KB

Download
memory/1900-14-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2760-23-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2760-26-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2760-19-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2760-21-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2760-20-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2760-22-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2760-16-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2760-24-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2760-25-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2760-17-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2760-27-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2760-28-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2760-29-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2760-30-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2760-31-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2760-32-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2760-33-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2760-34-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads