darkcomet | 2746393bac3d91352de667262c740964ba3b4a36481bf1c229bcdf16ae804eb1

General

Target

JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe
Size

542KB
MD5

6c9cd2ac3054887bb594424d4869cfda
SHA1

7973c8d27ba2a38f80261fb99b988d608986e0c0
SHA256

2746393bac3d91352de667262c740964ba3b4a36481bf1c229bcdf16ae804eb1
SHA512

1cb6b4b1d3959ab1d4834f50b2974e624190986d18b77cfdcfcdf4f884e1fec61dd64e67335917319ccf534184eb73877b7e7f21c43c527dbda262f43ff439e0
SSDEEP

12288:IPtk6jP8Gw9OHhBZtqliSdBb2cFQfK0rKQ:IPtkUx8OBiiSdBbmf7K

Score

10^/10

darkcomet guest16_min discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

rawaz.no-ip.biz:1604

Mutex

DCMIN_MUTEX-05QLF3E

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
nKzbvZtX7gLR
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
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\\Documents\\DCSCMIN\\IMDCSC.exe"	AppLaunch.exe

Executes dropped EXE 1 IoCs

pid	Process
2908	IMDCSC.exe

Loads dropped DLL 1 IoCs

pid	Process
1584	AppLaunch.exe

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\IE Per-User Initialization utility = "C:\\Users\\Admin\\AppData\\Local\\JavaUpdater.exe /b"	JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	AppLaunch.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2228 set thread context of 1584	2228	JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe	28

System Location Discovery: System Language Discovery 1 TTPs 3 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	JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppLaunch.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2228	JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	2228	JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe
Token: SeIncreaseQuotaPrivilege	1584	AppLaunch.exe
Token: SeSecurityPrivilege	1584	AppLaunch.exe
Token: SeTakeOwnershipPrivilege	1584	AppLaunch.exe
Token: SeLoadDriverPrivilege	1584	AppLaunch.exe
Token: SeSystemProfilePrivilege	1584	AppLaunch.exe
Token: SeSystemtimePrivilege	1584	AppLaunch.exe
Token: SeProfSingleProcessPrivilege	1584	AppLaunch.exe
Token: SeIncBasePriorityPrivilege	1584	AppLaunch.exe
Token: SeCreatePagefilePrivilege	1584	AppLaunch.exe
Token: SeBackupPrivilege	1584	AppLaunch.exe
Token: SeRestorePrivilege	1584	AppLaunch.exe
Token: SeShutdownPrivilege	1584	AppLaunch.exe
Token: SeDebugPrivilege	1584	AppLaunch.exe
Token: SeSystemEnvironmentPrivilege	1584	AppLaunch.exe
Token: SeChangeNotifyPrivilege	1584	AppLaunch.exe
Token: SeRemoteShutdownPrivilege	1584	AppLaunch.exe
Token: SeUndockPrivilege	1584	AppLaunch.exe
Token: SeManageVolumePrivilege	1584	AppLaunch.exe
Token: SeImpersonatePrivilege	1584	AppLaunch.exe
Token: SeCreateGlobalPrivilege	1584	AppLaunch.exe
Token: 33	1584	AppLaunch.exe
Token: 34	1584	AppLaunch.exe
Token: 35	1584	AppLaunch.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 1584	2228	JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe	28
PID 2228 wrote to memory of 1584	2228	JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe	28
PID 2228 wrote to memory of 1584	2228	JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe	28
PID 2228 wrote to memory of 1584	2228	JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe	28
PID 2228 wrote to memory of 1584	2228	JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe	28
PID 2228 wrote to memory of 1584	2228	JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe	28
PID 2228 wrote to memory of 1584	2228	JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe	28
PID 2228 wrote to memory of 1584	2228	JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe	28
PID 2228 wrote to memory of 1584	2228	JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe	28
PID 2228 wrote to memory of 1584	2228	JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe	28
PID 2228 wrote to memory of 1584	2228	JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe	28
PID 2228 wrote to memory of 1584	2228	JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe	28
PID 2228 wrote to memory of 1584	2228	JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe	28
PID 2228 wrote to memory of 1584	2228	JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe	28
PID 2228 wrote to memory of 1584	2228	JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe	28
PID 2228 wrote to memory of 1584	2228	JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe	28
PID 1584 wrote to memory of 2908	1584	AppLaunch.exe	29
PID 1584 wrote to memory of 2908	1584	AppLaunch.exe	29
PID 1584 wrote to memory of 2908	1584	AppLaunch.exe	29
PID 1584 wrote to memory of 2908	1584	AppLaunch.exe	29
PID 1584 wrote to memory of 2908	1584	AppLaunch.exe	29
PID 1584 wrote to memory of 2908	1584	AppLaunch.exe	29
PID 1584 wrote to memory of 2908	1584	AppLaunch.exe	29

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c9cd2ac3054887bb594424d4869cfda.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe"
  2⤵
  - 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:1584
- - C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
    "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2908

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
54KB

MD5
0f01571a3e4c71eb4313175aae86488e

SHA1
2ba648afe2cd52edf5f25e304f77d457abf7ac0e

SHA256
8cc51c4c2efc8c6a401aa83a0aeced0925d5d9d2a43192f35561893cdf704022

SHA512
159dfbb7d385bf92f4fc48ca389b89d69f6c2616e90dfa056e725d7da78a3702694a28f9c5cab7b55adc4d4dbd7bfe5d272c8b1c9931e3ac95f6326d74576794

Download Submit
memory/1584-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1584-7-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1584-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1584-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1584-9-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1584-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1584-38-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1584-11-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1584-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1584-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1584-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1584-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1584-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1584-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2228-32-0x0000000074870000-0x0000000074E1B000-memory.dmp

Filesize
5.7MB

Download
memory/2228-31-0x0000000074870000-0x0000000074E1B000-memory.dmp

Filesize
5.7MB

Download
memory/2228-0-0x0000000074871000-0x0000000074872000-memory.dmp

Filesize
4KB

Download
memory/2228-42-0x0000000005140000-0x0000000005240000-memory.dmp

Filesize
1024KB

Download
memory/2228-41-0x0000000005140000-0x0000000005240000-memory.dmp

Filesize
1024KB

Download
memory/2228-40-0x0000000005140000-0x0000000005240000-memory.dmp

Filesize
1024KB

Download
memory/2228-39-0x0000000005140000-0x0000000005240000-memory.dmp

Filesize
1024KB

Download
memory/2228-30-0x0000000074870000-0x0000000074E1B000-memory.dmp

Filesize
5.7MB

Download
memory/2228-6-0x0000000074870000-0x0000000074E1B000-memory.dmp

Filesize
5.7MB

Download
memory/2228-5-0x0000000074870000-0x0000000074E1B000-memory.dmp

Filesize
5.7MB

Download
memory/2228-2-0x0000000074870000-0x0000000074E1B000-memory.dmp

Filesize
5.7MB

Download
memory/2228-1-0x0000000074870000-0x0000000074E1B000-memory.dmp

Filesize
5.7MB

Download
memory/2228-45-0x0000000005140000-0x0000000005240000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads