darkcomet | dfacab68ffacb90e033ad8d5447fa91ceb21a7376a4158cc2c7eba98f661d9d2

Analysis

max time kernel
150s
max time network
139s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-12-2024 02:14

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General

Target

c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Size

658KB
MD5

c057a4d2a057566e63b4808578af64f9
SHA1

bdd165a41d4fb72e20fc51766e47559ab553dbb6
SHA256

dfacab68ffacb90e033ad8d5447fa91ceb21a7376a4158cc2c7eba98f661d9d2
SHA512

c5486872b95f491931fb89ef666a7d215aa2b09ec7fba60f78b758e725892ed8425ed5fd8775c55f0896e4335fe248f85daed2c3b0a39fb08bb867263237471c
SSDEEP

12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hn:eZ1xuVVjfFoynPaVBUR8f+kN10EBZ

Score

10^/10

darkcomet slaves discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Slaves

ilovecats109.no-ip.org:1604

Mutex

DCMIN_MUTEX-ZQHLD57

Attributes

InstallPath
Adobe\Flash Updater.exe
gencode
lLrWGkgbf1Rm
install
true
offline_keylogger
true
persistence
false
reg_key
Adobe

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
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\\AppData\\Roaming\\Adobe\\Flash Updater.exe"	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2920	Flash Updater.exe

Loads dropped DLL 4 IoCs

pid	Process
2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
2920	Flash Updater.exe
2920	Flash Updater.exe
2920	Flash Updater.exe

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\Adobe = "C:\\Users\\Admin\\AppData\\Roaming\\Adobe\\Flash Updater.exe"	c057a4d2a057566e63b4808578af64f9_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	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Flash Updater.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Token: SeSecurityPrivilege	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Token: SeBackupPrivilege	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Token: SeRestorePrivilege	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Token: SeShutdownPrivilege	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Token: SeDebugPrivilege	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Token: SeUndockPrivilege	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Token: 33	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Token: 34	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Token: 35	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2920	Flash Updater.exe
Token: SeSecurityPrivilege	2920	Flash Updater.exe
Token: SeTakeOwnershipPrivilege	2920	Flash Updater.exe
Token: SeLoadDriverPrivilege	2920	Flash Updater.exe
Token: SeSystemProfilePrivilege	2920	Flash Updater.exe
Token: SeSystemtimePrivilege	2920	Flash Updater.exe
Token: SeProfSingleProcessPrivilege	2920	Flash Updater.exe
Token: SeIncBasePriorityPrivilege	2920	Flash Updater.exe
Token: SeCreatePagefilePrivilege	2920	Flash Updater.exe
Token: SeBackupPrivilege	2920	Flash Updater.exe
Token: SeRestorePrivilege	2920	Flash Updater.exe
Token: SeShutdownPrivilege	2920	Flash Updater.exe
Token: SeDebugPrivilege	2920	Flash Updater.exe
Token: SeSystemEnvironmentPrivilege	2920	Flash Updater.exe
Token: SeChangeNotifyPrivilege	2920	Flash Updater.exe
Token: SeRemoteShutdownPrivilege	2920	Flash Updater.exe
Token: SeUndockPrivilege	2920	Flash Updater.exe
Token: SeManageVolumePrivilege	2920	Flash Updater.exe
Token: SeImpersonatePrivilege	2920	Flash Updater.exe
Token: SeCreateGlobalPrivilege	2920	Flash Updater.exe
Token: 33	2920	Flash Updater.exe
Token: 34	2920	Flash Updater.exe
Token: 35	2920	Flash Updater.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2920	Flash Updater.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2920	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2920	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2920	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2920	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2920	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2920	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe	30
PID 2112 wrote to memory of 2920	2112	c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\c057a4d2a057566e63b4808578af64f9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c057a4d2a057566e63b4808578af64f9_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:2112
- C:\Users\Admin\AppData\Roaming\Adobe\Flash Updater.exe
  "C:\Users\Admin\AppData\Roaming\Adobe\Flash Updater.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2920

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\AppData\Roaming\Adobe\Flash Updater.exe

Filesize
658KB

MD5
c057a4d2a057566e63b4808578af64f9

SHA1
bdd165a41d4fb72e20fc51766e47559ab553dbb6

SHA256
dfacab68ffacb90e033ad8d5447fa91ceb21a7376a4158cc2c7eba98f661d9d2

SHA512
c5486872b95f491931fb89ef666a7d215aa2b09ec7fba60f78b758e725892ed8425ed5fd8775c55f0896e4335fe248f85daed2c3b0a39fb08bb867263237471c

Download Submit
memory/2112-0-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2112-11-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2920-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2920-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads