darkcomet | 566f253412379e3b506b9140357109128b4fbda71bebcdcefdf479b1215a7647

General

Target

f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe
Size

1.2MB
MD5

f08fc211cf36e9c208f2cad5ede21d3a
SHA1

ef4a55a144149190d96fb3cbad17b1b558fda025
SHA256

566f253412379e3b506b9140357109128b4fbda71bebcdcefdf479b1215a7647
SHA512

a984a3a58512ef16ab42bdc8d1f97003da459300f5826a1de07cf99c07118ea387bde72c386785fabad0d279a5d74c71235b0be55573a18db750eb87211fd7af
SSDEEP

24576:+ICEgHEFDPPBMQSzIp4CQOHcLLxzLc9Qi/Qtv4jNAM8cAFhVlrYzv5/kxIq47:mIM7OmzLc9zQ+jCJZDlrYd/kOq47

Score

10^/10

darkcomet were all gonna miss you.discovery rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Were all gonna miss you.

C2

thepwnman.no-ip.biz:3131

Mutex

Goodbye DC </3

Attributes

gencode
JY7xRluxnMpG
install
false
offline_keylogger
false
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet

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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	ins5.exe

Executes dropped EXE 4 IoCs

pid	Process
3832	1674352229.exe
3900	vbc.exe
3064	ins5.exe
3392	515ea7b2-cf8c-475e-aa01-18d35bc06f2f.exe

Loads dropped DLL 1 IoCs

pid	Process
3832	1674352229.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	ins5.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	ins5.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3896 set thread context of 3900	3896	f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe	86

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	ins5.exe
File created	C:\Windows\assembly\Desktop.ini	ins5.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	ins5.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 5 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	ins5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	515ea7b2-cf8c-475e-aa01-18d35bc06f2f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1674352229.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral2/files/0x0008000000023c91-7.dat	nsis_installer_2

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3392	515ea7b2-cf8c-475e-aa01-18d35bc06f2f.exe

Suspicious use of AdjustPrivilegeToken 26 IoCs

description	pid	Process
Token: SeDebugPrivilege	3896	f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	3900	vbc.exe
Token: SeSecurityPrivilege	3900	vbc.exe
Token: SeTakeOwnershipPrivilege	3900	vbc.exe
Token: SeLoadDriverPrivilege	3900	vbc.exe
Token: SeSystemProfilePrivilege	3900	vbc.exe
Token: SeSystemtimePrivilege	3900	vbc.exe
Token: SeProfSingleProcessPrivilege	3900	vbc.exe
Token: SeIncBasePriorityPrivilege	3900	vbc.exe
Token: SeCreatePagefilePrivilege	3900	vbc.exe
Token: SeBackupPrivilege	3900	vbc.exe
Token: SeRestorePrivilege	3900	vbc.exe
Token: SeShutdownPrivilege	3900	vbc.exe
Token: SeDebugPrivilege	3900	vbc.exe
Token: SeSystemEnvironmentPrivilege	3900	vbc.exe
Token: SeChangeNotifyPrivilege	3900	vbc.exe
Token: SeRemoteShutdownPrivilege	3900	vbc.exe
Token: SeUndockPrivilege	3900	vbc.exe
Token: SeManageVolumePrivilege	3900	vbc.exe
Token: SeImpersonatePrivilege	3900	vbc.exe
Token: SeCreateGlobalPrivilege	3900	vbc.exe
Token: 33	3900	vbc.exe
Token: 34	3900	vbc.exe
Token: 35	3900	vbc.exe
Token: 36	3900	vbc.exe
Token: SeDebugPrivilege	3392	515ea7b2-cf8c-475e-aa01-18d35bc06f2f.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3392	515ea7b2-cf8c-475e-aa01-18d35bc06f2f.exe
3392	515ea7b2-cf8c-475e-aa01-18d35bc06f2f.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3896 wrote to memory of 3832	3896	f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe	85
PID 3896 wrote to memory of 3832	3896	f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe	85
PID 3896 wrote to memory of 3832	3896	f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe	85
PID 3896 wrote to memory of 3900	3896	f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe	86
PID 3896 wrote to memory of 3900	3896	f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe	86
PID 3896 wrote to memory of 3900	3896	f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe	86
PID 3896 wrote to memory of 3900	3896	f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe	86
PID 3896 wrote to memory of 3900	3896	f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe	86
PID 3896 wrote to memory of 3900	3896	f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe	86
PID 3896 wrote to memory of 3900	3896	f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe	86
PID 3896 wrote to memory of 3900	3896	f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe	86
PID 3896 wrote to memory of 3900	3896	f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe	86
PID 3896 wrote to memory of 3900	3896	f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe	86
PID 3896 wrote to memory of 3900	3896	f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe	86
PID 3896 wrote to memory of 3900	3896	f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe	86
PID 3896 wrote to memory of 3900	3896	f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe	86
PID 3896 wrote to memory of 3900	3896	f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe	86
PID 3832 wrote to memory of 3064	3832	1674352229.exe	87
PID 3832 wrote to memory of 3064	3832	1674352229.exe	87
PID 3832 wrote to memory of 3064	3832	1674352229.exe	87
PID 3064 wrote to memory of 3392	3064	ins5.exe	89
PID 3064 wrote to memory of 3392	3064	ins5.exe	89
PID 3064 wrote to memory of 3392	3064	ins5.exe	89

C:\Users\Admin\AppData\Local\Temp\f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f08fc211cf36e9c208f2cad5ede21d3a_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3896
- C:\Users\Admin\AppData\Local\Temp\1674352229.exe
  "C:\Users\Admin\AppData\Local\Temp\1674352229.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3832
- - C:\Users\Admin\AppData\Local\Temp\nsm97FC.tmp\ins5.exe
    C:\Users\Admin\AppData\Local\Temp\nsm97FC.tmp\ins5.exe 515ea7b2-cf8c-475e-aa01-18d35bc06f2f.exe /t /dT131981425S /e10111414 /u515ea7b2-cf8c-475e-aa01-18d35bc06f2f
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Drops desktop.ini file(s)
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3064
  - - C:\Users\Admin\AppData\Local\Temp\nsm97FC.tmp\515ea7b2-cf8c-475e-aa01-18d35bc06f2f.exe
      "C:\Users\Admin\AppData\Local\Temp\nsm97FC.tmp\515ea7b2-cf8c-475e-aa01-18d35bc06f2f.exe" /t /dT131981425S /e10111414 /u515ea7b2-cf8c-475e-aa01-18d35bc06f2f
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:3392
- C:\Users\Admin\AppData\Local\Temp\temp_mhVwYcvTGr\vbc.exe
  "C:\Users\Admin\AppData\Local\Temp\temp_mhVwYcvTGr\vbc.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1674352229.exe

Filesize
270KB

MD5
b45b5fc64a61707e0e490d1e2c54e931

SHA1
eca8079aaf349e100a2852e2fbc6bbdc57d49f1f

SHA256
2769b2c94dadea227bc4a13af827007613185f3febeebd42cd501ffaeb5f595b

SHA512
ed7f31cd5ae1691fe7d90ae5110b841d56651935b16e1f3637cb05a0500c6cd7b67f78abfd6c5f4c09bdc4b8bb79d0352e4346c891255344b9b8469611b8ffc9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsm97FC.tmp\515ea7b2-cf8c-475e-aa01-18d35bc06f2f.exe

Filesize
250KB

MD5
035e4f28801f8a2f5c9a51750b1d8bc0

SHA1
6083a072e75b146941dc759796e1b539fd4846db

SHA256
46dd0dcd46ed04a5819e21810339dc160a28c6d77a12661549d4a6875c4312be

SHA512
b5f0b19672c425d5025411bb0bfb9f604723bf11ba0a04b202330d2675655e1b7cb31bd51314d77f000edb668307fcf9661e20d12238e2095961cb0b1277d945

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsm97FC.tmp\ins5.exe

Filesize
214KB

MD5
081f1ef743489a25c99fdd25f6d4f70d

SHA1
dfdbd1caf714644f6c1b1b383f717028c39a2db0

SHA256
ed6b25ef9345aa31303cdc1cad322b1607eda3bf7bfefe7445105baddd59c635

SHA512
bf2962affa9ffb92cbaa17389a71b6ecf548cf6629237444a4b078bdcbd29cdd825055e2fe49530053c864bb1ad42726c083bb7db6d20b0afc939363365ec4ca

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsm97FC.tmp\nsExec.dll

Filesize
8KB

MD5
249ae678f0dac4c625c6de6aca53823a

SHA1
6ac2b9e90e8445fed4c45c5dbf2d0227cd3b5201

SHA256
7298024a36310b7c4c112be87b61b62a0b1be493e2d5252a19e5e976daf674ce

SHA512
66e4081a40f3191bf28b810cf8411cb3c8c3e3ec5943e18d6672414fb5e7b4364f862cba44c9115c599ac90890ef02a773e254e7c979e930946bc52b0693aad7

Download Submit
C:\Users\Admin\AppData\Local\Temp\temp_mhVwYcvTGr\vbc.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/3064-34-0x0000000001720000-0x0000000001730000-memory.dmp

Filesize
64KB

Download
memory/3832-55-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/3896-1-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/3896-2-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/3896-0-0x0000000074722000-0x0000000074723000-memory.dmp

Filesize
4KB

Download
memory/3896-40-0x0000000074720000-0x0000000074CD1000-memory.dmp

Filesize
5.7MB

Download
memory/3900-20-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3900-59-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3900-32-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3900-22-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3900-19-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3900-16-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3900-56-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3900-57-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3900-58-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3900-31-0x0000000002190000-0x0000000002191000-memory.dmp

Filesize
4KB

Download
memory/3900-60-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3900-61-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3900-62-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3900-63-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3900-64-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3900-65-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3900-66-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3900-67-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3900-68-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3900-69-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

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