darkcomet | 4ade0105a20cc8526b2cb0a10f41d5d1b9a38ba1b0d100334a22827f5ff372b6

General

Target

ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
Size

662KB
MD5

ffe8ce138a60c8bed31cbbc68df42a51
SHA1

10f741c31f368e32098b98677020070f90e33e4f
SHA256

4ade0105a20cc8526b2cb0a10f41d5d1b9a38ba1b0d100334a22827f5ff372b6
SHA512

94ff17a28a3ceb10330c8f4a20f7528373dfd3f8f290f66b0860205dd1add2de49bc349a440ad5abdffdac92edde2925c29469bd5c9b4040351a45afa989dc16
SSDEEP

12288:I3OpvNW4a76S/Ddon/m09bbYlIaaMcE2YGhq3vo1RnfAvIESJgoE26yc/R3:+OA4aWNn/m09fKIaaBEtWq3A1Ov8JgbB

Score

10^/10

darkcomet guest16 evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

fabhack.no-ip.org:1604

Mutex

DC_MUTEX-VSESWT5

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
wt0idq7E8snk
install
true
offline_keylogger
true
password
99889900
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

Processes:

ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe

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"	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

Processes:

attrib.exeattrib.exe

pid	Process
2160	attrib.exe
2152	attrib.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
Token: SeSecurityPrivilege	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
Token: SeBackupPrivilege	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
Token: SeRestorePrivilege	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
Token: SeShutdownPrivilege	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
Token: SeDebugPrivilege	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
Token: SeUndockPrivilege	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
Token: 33	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
Token: 34	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
Token: 35	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.execmd.execmd.exe

description	pid	Process	procid_target
PID 1752 wrote to memory of 2860	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe	28
PID 1752 wrote to memory of 2860	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe	28
PID 1752 wrote to memory of 2860	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe	28
PID 1752 wrote to memory of 2860	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe	28
PID 1752 wrote to memory of 3008	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe	30
PID 1752 wrote to memory of 3008	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe	30
PID 1752 wrote to memory of 3008	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe	30
PID 1752 wrote to memory of 3008	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe	30
PID 1752 wrote to memory of 3056	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe	32
PID 1752 wrote to memory of 3056	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe	32
PID 1752 wrote to memory of 3056	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe	32
PID 1752 wrote to memory of 3056	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe	32
PID 2860 wrote to memory of 2160	2860	cmd.exe	33
PID 2860 wrote to memory of 2160	2860	cmd.exe	33
PID 2860 wrote to memory of 2160	2860	cmd.exe	33
PID 2860 wrote to memory of 2160	2860	cmd.exe	33
PID 3008 wrote to memory of 2152	3008	cmd.exe	34
PID 3008 wrote to memory of 2152	3008	cmd.exe	34
PID 3008 wrote to memory of 2152	3008	cmd.exe	34
PID 3008 wrote to memory of 2152	3008	cmd.exe	34
PID 1752 wrote to memory of 3056	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe	32
PID 1752 wrote to memory of 3056	1752	ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe	32

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Processes:

attrib.exeattrib.exe

pid	Process
2160	attrib.exe
2152	attrib.exe

C:\Users\Admin\AppData\Local\Temp\ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe" +s +h
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2860
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\ffe8ce138a60c8bed31cbbc68df42a51_JaffaCakes118.exe" +s +h
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:2160
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3008
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:2152
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  PID:3056

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

Hide Artifacts

2

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1752-0-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1752-6-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3056-3-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads