darkcomet | 9729d469d2ad9b246ebcc280bb4a08724b99224b4fe06df72ef47eb160c7e8f7

Analysis

max time kernel
149s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
19-04-2024 10:31

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General

Target

fa1b9a2a660dc1d04ebabdc422562c22_JaffaCakes118.exe
Size

740KB
MD5

fa1b9a2a660dc1d04ebabdc422562c22
SHA1

4ddfa633a9c1eb62d1a401f299421f3d012fa839
SHA256

9729d469d2ad9b246ebcc280bb4a08724b99224b4fe06df72ef47eb160c7e8f7
SHA512

f3edda1905946b2829c4505b5bcc2c9e20f06b6eb546db97486a66754e33c1cd7a3466838f565fbe24b32a38c69abc239f136c8791c976bbf0996e02538d7eab
SSDEEP

12288:DCSGJkSVSv8md2/4U9A6Ul0WnM4FfC/TA+G8388r5Jz6UlIDf3yIUIPM:DCSGeCXmo/4MA6Ulz5C/sh8388WUlIbE

Score

10^/10

darkcomet 8-2-2015 persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

8-2-2015

127.0.0.1:9999

evileasy.ddns.net:9999

Mutex

DC_MUTEX-JXEPVLG

Attributes

InstallPath
System32\svchost.exe
gencode
YBPxt5KtujGp
install
true
offline_keylogger
false
persistence
true
reg_key
Svchost

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:\\Windows\\System32\\YBPxt5KtujGp\\svchost.exe"	1.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Control Panel\International\Geo\Nation	fa1b9a2a660dc1d04ebabdc422562c22_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\Control Panel\International\Geo\Nation	1.exe

Executes dropped EXE 2 IoCs

pid	Process
4672	1.exe
3776	svchost.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-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Svchost = "C:\\Windows\\System32\\YBPxt5KtujGp\\svchost.exe"	1.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2177723727-746291240-1644359950-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Svchost = "C:\\Windows\\System32\\YBPxt5KtujGp\\svchost.exe"	svchost.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\YBPxt5KtujGp\svchost.exe	1.exe
File opened for modification	C:\Windows\SysWOW64\YBPxt5KtujGp\svchost.exe	1.exe
File opened for modification	C:\Windows\SysWOW64\YBPxt5KtujGp\	1.exe
File created	C:\Windows\SysWOW64\svchost.exe	1.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	1.exe

Suspicious use of AdjustPrivilegeToken 49 IoCs

description	pid	Process
Token: SeDebugPrivilege	972	fa1b9a2a660dc1d04ebabdc422562c22_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4672	1.exe
Token: SeSecurityPrivilege	4672	1.exe
Token: SeTakeOwnershipPrivilege	4672	1.exe
Token: SeLoadDriverPrivilege	4672	1.exe
Token: SeSystemProfilePrivilege	4672	1.exe
Token: SeSystemtimePrivilege	4672	1.exe
Token: SeProfSingleProcessPrivilege	4672	1.exe
Token: SeIncBasePriorityPrivilege	4672	1.exe
Token: SeCreatePagefilePrivilege	4672	1.exe
Token: SeBackupPrivilege	4672	1.exe
Token: SeRestorePrivilege	4672	1.exe
Token: SeShutdownPrivilege	4672	1.exe
Token: SeDebugPrivilege	4672	1.exe
Token: SeSystemEnvironmentPrivilege	4672	1.exe
Token: SeChangeNotifyPrivilege	4672	1.exe
Token: SeRemoteShutdownPrivilege	4672	1.exe
Token: SeUndockPrivilege	4672	1.exe
Token: SeManageVolumePrivilege	4672	1.exe
Token: SeImpersonatePrivilege	4672	1.exe
Token: SeCreateGlobalPrivilege	4672	1.exe
Token: 33	4672	1.exe
Token: 34	4672	1.exe
Token: 35	4672	1.exe
Token: 36	4672	1.exe
Token: SeIncreaseQuotaPrivilege	3776	svchost.exe
Token: SeSecurityPrivilege	3776	svchost.exe
Token: SeTakeOwnershipPrivilege	3776	svchost.exe
Token: SeLoadDriverPrivilege	3776	svchost.exe
Token: SeSystemProfilePrivilege	3776	svchost.exe
Token: SeSystemtimePrivilege	3776	svchost.exe
Token: SeProfSingleProcessPrivilege	3776	svchost.exe
Token: SeIncBasePriorityPrivilege	3776	svchost.exe
Token: SeCreatePagefilePrivilege	3776	svchost.exe
Token: SeBackupPrivilege	3776	svchost.exe
Token: SeRestorePrivilege	3776	svchost.exe
Token: SeShutdownPrivilege	3776	svchost.exe
Token: SeDebugPrivilege	3776	svchost.exe
Token: SeSystemEnvironmentPrivilege	3776	svchost.exe
Token: SeChangeNotifyPrivilege	3776	svchost.exe
Token: SeRemoteShutdownPrivilege	3776	svchost.exe
Token: SeUndockPrivilege	3776	svchost.exe
Token: SeManageVolumePrivilege	3776	svchost.exe
Token: SeImpersonatePrivilege	3776	svchost.exe
Token: SeCreateGlobalPrivilege	3776	svchost.exe
Token: 33	3776	svchost.exe
Token: 34	3776	svchost.exe
Token: 35	3776	svchost.exe
Token: 36	3776	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 972 wrote to memory of 4672	972	fa1b9a2a660dc1d04ebabdc422562c22_JaffaCakes118.exe	95
PID 972 wrote to memory of 4672	972	fa1b9a2a660dc1d04ebabdc422562c22_JaffaCakes118.exe	95
PID 972 wrote to memory of 4672	972	fa1b9a2a660dc1d04ebabdc422562c22_JaffaCakes118.exe	95
PID 4672 wrote to memory of 3480	4672	1.exe	96
PID 4672 wrote to memory of 3480	4672	1.exe	96
PID 4672 wrote to memory of 3480	4672	1.exe	96
PID 4672 wrote to memory of 3480	4672	1.exe	96
PID 4672 wrote to memory of 3480	4672	1.exe	96
PID 4672 wrote to memory of 3480	4672	1.exe	96
PID 4672 wrote to memory of 3480	4672	1.exe	96
PID 4672 wrote to memory of 3480	4672	1.exe	96
PID 4672 wrote to memory of 3480	4672	1.exe	96
PID 4672 wrote to memory of 3480	4672	1.exe	96
PID 4672 wrote to memory of 3480	4672	1.exe	96
PID 4672 wrote to memory of 3480	4672	1.exe	96
PID 4672 wrote to memory of 3480	4672	1.exe	96
PID 4672 wrote to memory of 3480	4672	1.exe	96
PID 4672 wrote to memory of 3480	4672	1.exe	96
PID 4672 wrote to memory of 3480	4672	1.exe	96
PID 4672 wrote to memory of 3480	4672	1.exe	96
PID 4672 wrote to memory of 3776	4672	1.exe	97
PID 4672 wrote to memory of 3776	4672	1.exe	97
PID 4672 wrote to memory of 3776	4672	1.exe	97

C:\Users\Admin\AppData\Local\Temp\fa1b9a2a660dc1d04ebabdc422562c22_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa1b9a2a660dc1d04ebabdc422562c22_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:972
- C:\Users\Admin\AppData\Local\Temp\1.exe
  "C:\Users\Admin\AppData\Local\Temp\1.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4672
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    PID:3480
- - C:\Windows\SysWOW64\YBPxt5KtujGp\svchost.exe
    "C:\Windows\System32\YBPxt5KtujGp\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of AdjustPrivilegeToken
    PID:3776

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\1.exe

Filesize
756KB

MD5
3e367a8676879b445ebf3a062e54d28f

SHA1
b849b9598bd643b7f0f039d9391ddf1fecfeaf31

SHA256
d5b6fb099dbd8e73e4e9911afd3da200d1407f78324e50c5350ecca949dd9691

SHA512
b3e90563379dc75891a83705528ec615f91188dbe54171be9f67dea9f81e577a989c93e11ed9610d218faf162b4b1a41ad42585003572f95d457a14700bac1a7

Download Submit
memory/972-6-0x000000001CC80000-0x000000001CD84000-memory.dmp

Filesize
1.0MB

Download
memory/972-19-0x00007FFE1C6C0000-0x00007FFE1D061000-memory.dmp

Filesize
9.6MB

Download
memory/972-3-0x000000001BFF0000-0x000000001C4BE000-memory.dmp

Filesize
4.8MB

Download
memory/972-4-0x000000001B830000-0x000000001B8CC000-memory.dmp

Filesize
624KB

Download
memory/972-5-0x000000001C6C0000-0x000000001C766000-memory.dmp

Filesize
664KB

Download
memory/972-0-0x00007FFE1C6C0000-0x00007FFE1D061000-memory.dmp

Filesize
9.6MB

Download
memory/972-1-0x0000000000C50000-0x0000000000C60000-memory.dmp

Filesize
64KB

Download
memory/972-2-0x00007FFE1C6C0000-0x00007FFE1D061000-memory.dmp

Filesize
9.6MB

Download
memory/3480-23-0x00000000007D0000-0x00000000007D1000-memory.dmp

Filesize
4KB

Download
memory/3776-82-0x0000000002380000-0x0000000002381000-memory.dmp

Filesize
4KB

Download
memory/3776-85-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/3776-86-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/4672-20-0x0000000002860000-0x0000000002861000-memory.dmp

Filesize
4KB

Download
memory/4672-83-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads