darkcomet | 2c0b605ae93299e091916c61e420098bdbf2decd077d5ef9ab03ab1f2dcf14aa

Analysis

max time kernel
150s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
30/04/2024, 04:53

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General

Target

09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Size

252KB
MD5

09108aeb9c221f30128ba072950c69fd
SHA1

9efd8cd35e0b4ebd945862be1b596b34c87652d6
SHA256

2c0b605ae93299e091916c61e420098bdbf2decd077d5ef9ab03ab1f2dcf14aa
SHA512

08c51745d206fbff5aa02449c0b8e4a9da48d8bd7649d2b35b2fbacfee27f55cded7ab7b7722903066603cbf66a4a2f1324d19662d1253b74c1481f314ee39aa
SSDEEP

6144:scNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37:scW7KEZlPzCy37

Score

10^/10

darkcomet guest16 persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

jully.ddns.net:1604

Mutex

DC_MUTEX-H5UL2AN

Attributes

InstallPath
MSDCSC\explorer.exe
gencode
STpDyDpvpi35
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

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

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\\explorer.exe"	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2640	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
2652	explorer.exe

Loads dropped DLL 2 IoCs

pid	Process
2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2928-0-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/files/0x0033000000014817-23.dat	upx
behavioral1/memory/2928-29-0x0000000004050000-0x0000000004107000-memory.dmp	upx
behavioral1/memory/2652-32-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2928-34-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2652-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2652-37-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2652-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2652-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2652-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2652-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2652-42-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2652-43-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2652-44-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2652-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2652-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2652-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2652-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2652-49-0x0000000000400000-0x00000000004B7000-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-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\explorer.exe"	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\explorer.exe"	explorer.exe

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2652	explorer.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Token: SeSecurityPrivilege	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Token: SeBackupPrivilege	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Token: SeRestorePrivilege	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Token: SeShutdownPrivilege	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Token: SeDebugPrivilege	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Token: SeUndockPrivilege	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Token: 33	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Token: 34	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Token: 35	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2652	explorer.exe
Token: SeSecurityPrivilege	2652	explorer.exe
Token: SeTakeOwnershipPrivilege	2652	explorer.exe
Token: SeLoadDriverPrivilege	2652	explorer.exe
Token: SeSystemProfilePrivilege	2652	explorer.exe
Token: SeSystemtimePrivilege	2652	explorer.exe
Token: SeProfSingleProcessPrivilege	2652	explorer.exe
Token: SeIncBasePriorityPrivilege	2652	explorer.exe
Token: SeCreatePagefilePrivilege	2652	explorer.exe
Token: SeBackupPrivilege	2652	explorer.exe
Token: SeRestorePrivilege	2652	explorer.exe
Token: SeShutdownPrivilege	2652	explorer.exe
Token: SeDebugPrivilege	2652	explorer.exe
Token: SeSystemEnvironmentPrivilege	2652	explorer.exe
Token: SeChangeNotifyPrivilege	2652	explorer.exe
Token: SeRemoteShutdownPrivilege	2652	explorer.exe
Token: SeUndockPrivilege	2652	explorer.exe
Token: SeManageVolumePrivilege	2652	explorer.exe
Token: SeImpersonatePrivilege	2652	explorer.exe
Token: SeCreateGlobalPrivilege	2652	explorer.exe
Token: 33	2652	explorer.exe
Token: 34	2652	explorer.exe
Token: 35	2652	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2652	explorer.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2928 wrote to memory of 2640	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2640	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2640	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2640	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2640	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2640	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2640	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2640	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2640	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2640	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2640	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2640	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2640	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2640	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2640	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2640	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2640	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2640	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe	28
PID 2928 wrote to memory of 2652	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe	29
PID 2928 wrote to memory of 2652	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe	29
PID 2928 wrote to memory of 2652	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe	29
PID 2928 wrote to memory of 2652	2928	09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\09108aeb9c221f30128ba072950c69fd_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  PID:2640
- C:\Users\Admin\Documents\MSDCSC\explorer.exe
  "C:\Users\Admin\Documents\MSDCSC\explorer.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2652

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\Documents\MSDCSC\explorer.exe

Filesize
252KB

MD5
09108aeb9c221f30128ba072950c69fd

SHA1
9efd8cd35e0b4ebd945862be1b596b34c87652d6

SHA256
2c0b605ae93299e091916c61e420098bdbf2decd077d5ef9ab03ab1f2dcf14aa

SHA512
08c51745d206fbff5aa02449c0b8e4a9da48d8bd7649d2b35b2fbacfee27f55cded7ab7b7722903066603cbf66a4a2f1324d19662d1253b74c1481f314ee39aa

Download Submit
memory/2640-5-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2640-21-0x0000000000170000-0x0000000000171000-memory.dmp

Filesize
4KB

Download
memory/2652-42-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2652-43-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2652-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2652-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2652-32-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2652-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2652-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2652-37-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2652-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2652-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2652-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2652-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2652-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2652-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2652-44-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-1-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/2928-0-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-34-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2928-29-0x0000000004050000-0x0000000004107000-memory.dmp

Filesize
732KB

Download
memory/2928-30-0x0000000004050000-0x0000000004107000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads