darkcomet | 92ac5cfeb92d54c5a7157c51ebec60fd436713727c21442bac145b8a6e4feb5a

General

Target

JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Size

710KB
MD5

1568979aa97ea900d70140aca3bdeaa0
SHA1

998188bb68a7c427b36b49b764d6270bb08b7303
SHA256

92ac5cfeb92d54c5a7157c51ebec60fd436713727c21442bac145b8a6e4feb5a
SHA512

e8fae5ae7f9e6fa07d5c45aa684fb393604e17eb6fa43acd0c962b741230bb49744a7b7edec72d02f50a2a9ba385da6cefd0059623fffa3c42aa789f983e3e63
SSDEEP

12288:jZcSfzt2RxPaCcqo2E8v5+gerCsMNgn4Kry/6gTNnJq:jGSfkRx33E8vsdZMNP6gTNJ

Score

10^/10

darkcomet guest16_min discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

nikki.no-ip.biz:6666

Mutex

DCMIN_MUTEX-CBPZZV7

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
KRH5wjjVc6Sx
install
true
offline_keylogger
true
persistence
false
reg_key
DarkComet RAT

rc4.plain

Extracted

Family

darkcomet

Attributes

gencode
install
false
offline_keylogger
false
persistence
false

rc4.plain

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"	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe

Executes dropped EXE 1 IoCs

pid	Process
2772	IMDCSC.exe

Loads dropped DLL 1 IoCs

pid	Process
2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1928 set thread context of 2684	1928	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe	31

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 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_1568979aa97ea900d70140aca3bdeaa0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	1928	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: SeIncreaseQuotaPrivilege	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: SeSecurityPrivilege	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: SeTakeOwnershipPrivilege	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: SeLoadDriverPrivilege	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: SeSystemProfilePrivilege	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: SeSystemtimePrivilege	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: SeProfSingleProcessPrivilege	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: SeIncBasePriorityPrivilege	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: SeCreatePagefilePrivilege	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: SeBackupPrivilege	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: SeRestorePrivilege	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: SeShutdownPrivilege	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: SeDebugPrivilege	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: SeSystemEnvironmentPrivilege	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: SeChangeNotifyPrivilege	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: SeRemoteShutdownPrivilege	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: SeUndockPrivilege	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: SeManageVolumePrivilege	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: SeImpersonatePrivilege	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: SeCreateGlobalPrivilege	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: 33	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: 34	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: 35	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
Token: SeDebugPrivilege	2772	IMDCSC.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 2684	1928	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe	31
PID 1928 wrote to memory of 2684	1928	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe	31
PID 1928 wrote to memory of 2684	1928	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe	31
PID 1928 wrote to memory of 2684	1928	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe	31
PID 1928 wrote to memory of 2684	1928	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe	31
PID 1928 wrote to memory of 2684	1928	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe	31
PID 1928 wrote to memory of 2684	1928	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe	31
PID 1928 wrote to memory of 2684	1928	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe	31
PID 1928 wrote to memory of 2684	1928	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe	31
PID 1928 wrote to memory of 2684	1928	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe	31
PID 1928 wrote to memory of 2684	1928	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe	31
PID 1928 wrote to memory of 2684	1928	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe	31
PID 1928 wrote to memory of 2684	1928	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe	31
PID 2684 wrote to memory of 2772	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe	32
PID 2684 wrote to memory of 2772	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe	32
PID 2684 wrote to memory of 2772	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe	32
PID 2684 wrote to memory of 2772	2684	JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe	32
PID 2772 wrote to memory of 1664	2772	IMDCSC.exe	33
PID 2772 wrote to memory of 1664	2772	IMDCSC.exe	33
PID 2772 wrote to memory of 1664	2772	IMDCSC.exe	33
PID 2772 wrote to memory of 1664	2772	IMDCSC.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1568979aa97ea900d70140aca3bdeaa0.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:2684
- - C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
    "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2772
  - - C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
      C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
      4⤵
      PID:1664

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 Information Discovery

1

T1082

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
710KB

MD5
1568979aa97ea900d70140aca3bdeaa0

SHA1
998188bb68a7c427b36b49b764d6270bb08b7303

SHA256
92ac5cfeb92d54c5a7157c51ebec60fd436713727c21442bac145b8a6e4feb5a

SHA512
e8fae5ae7f9e6fa07d5c45aa684fb393604e17eb6fa43acd0c962b741230bb49744a7b7edec72d02f50a2a9ba385da6cefd0059623fffa3c42aa789f983e3e63

Download Submit
memory/1928-19-0x00000000747B0000-0x0000000074D5B000-memory.dmp

Filesize
5.7MB

Download
memory/1928-1-0x00000000747B0000-0x0000000074D5B000-memory.dmp

Filesize
5.7MB

Download
memory/1928-2-0x00000000747B0000-0x0000000074D5B000-memory.dmp

Filesize
5.7MB

Download
memory/1928-3-0x00000000747B0000-0x0000000074D5B000-memory.dmp

Filesize
5.7MB

Download
memory/1928-0-0x00000000747B1000-0x00000000747B2000-memory.dmp

Filesize
4KB

Download
memory/2684-10-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2684-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2684-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2684-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2684-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2684-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2684-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2684-8-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2684-11-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2684-6-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2684-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2684-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2684-23-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2684-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2684-4-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2684-34-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2772-32-0x0000000074100000-0x00000000746AB000-memory.dmp

Filesize
5.7MB

Download
memory/2772-31-0x0000000074101000-0x0000000074102000-memory.dmp

Filesize
4KB

Download
memory/2772-33-0x0000000074100000-0x00000000746AB000-memory.dmp

Filesize
5.7MB

Download
memory/2772-35-0x0000000074100000-0x00000000746AB000-memory.dmp

Filesize
5.7MB

Download
memory/2772-36-0x0000000074100000-0x00000000746AB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads