darkcomet | de1cea9691cf4f954a536e292f490f9d5cb6dc790fc3e04aa092ef043b966542

Analysis

max time kernel
150s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07/10/2024, 19:05

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General

Target

CeleryBootstrapper.exe
Size

9.4MB
MD5

163ccc21c6cabd3bea7bac0efa8b96b1
SHA1

8610ec2fd4e036f74efa69a76a2cd1d734032638
SHA256

de1cea9691cf4f954a536e292f490f9d5cb6dc790fc3e04aa092ef043b966542
SHA512

a23f682b94b7afaa4c7f16b176253a35e117bb30dbaa3539d5b3920608d47729cf556a984fa27a1e708fdee79949f8bc5fbb5822deb38cf754aeb7532f60db63
SSDEEP

98304:tEgLIRfyC7egWJ3iJzdjf4fwraOWcD9XdMPABIw/t6KHDicVwzUs7OQU/:tEguhegD4fJOWs9XNBZ16M2cuUFQ

Score

10^/10

darkcomet sazan discovery evasion rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Sazan

iznnawt.localto.net:7786

Mutex

DC_MUTEX-HNEM7EN

Attributes

gencode
EjyhvgEc3y6V
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Disables Task Manager via registry modification
evasion

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

pid	Process
312	attrib.exe
1984	attrib.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	Celery1.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	CeleryBootstrapper.exe

Executes dropped EXE 2 IoCs

pid	Process
4968	Celery1.exe
2844	CeleryApp.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 7 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CeleryBootstrapper.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Celery1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4968	Celery1.exe
Token: SeSecurityPrivilege	4968	Celery1.exe
Token: SeTakeOwnershipPrivilege	4968	Celery1.exe
Token: SeLoadDriverPrivilege	4968	Celery1.exe
Token: SeSystemProfilePrivilege	4968	Celery1.exe
Token: SeSystemtimePrivilege	4968	Celery1.exe
Token: SeProfSingleProcessPrivilege	4968	Celery1.exe
Token: SeIncBasePriorityPrivilege	4968	Celery1.exe
Token: SeCreatePagefilePrivilege	4968	Celery1.exe
Token: SeBackupPrivilege	4968	Celery1.exe
Token: SeRestorePrivilege	4968	Celery1.exe
Token: SeShutdownPrivilege	4968	Celery1.exe
Token: SeDebugPrivilege	4968	Celery1.exe
Token: SeSystemEnvironmentPrivilege	4968	Celery1.exe
Token: SeChangeNotifyPrivilege	4968	Celery1.exe
Token: SeRemoteShutdownPrivilege	4968	Celery1.exe
Token: SeUndockPrivilege	4968	Celery1.exe
Token: SeManageVolumePrivilege	4968	Celery1.exe
Token: SeImpersonatePrivilege	4968	Celery1.exe
Token: SeCreateGlobalPrivilege	4968	Celery1.exe
Token: 33	4968	Celery1.exe
Token: 34	4968	Celery1.exe
Token: 35	4968	Celery1.exe
Token: 36	4968	Celery1.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4968	Celery1.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 4968	2900	CeleryBootstrapper.exe	84
PID 2900 wrote to memory of 4968	2900	CeleryBootstrapper.exe	84
PID 2900 wrote to memory of 4968	2900	CeleryBootstrapper.exe	84
PID 2900 wrote to memory of 2844	2900	CeleryBootstrapper.exe	85
PID 2900 wrote to memory of 2844	2900	CeleryBootstrapper.exe	85
PID 4968 wrote to memory of 1936	4968	Celery1.exe	86
PID 4968 wrote to memory of 1936	4968	Celery1.exe	86
PID 4968 wrote to memory of 1936	4968	Celery1.exe	86
PID 4968 wrote to memory of 1504	4968	Celery1.exe	87
PID 4968 wrote to memory of 1504	4968	Celery1.exe	87
PID 4968 wrote to memory of 1504	4968	Celery1.exe	87
PID 4968 wrote to memory of 3256	4968	Celery1.exe	88
PID 4968 wrote to memory of 3256	4968	Celery1.exe	88
PID 4968 wrote to memory of 3256	4968	Celery1.exe	88
PID 4968 wrote to memory of 3256	4968	Celery1.exe	88
PID 4968 wrote to memory of 3256	4968	Celery1.exe	88
PID 4968 wrote to memory of 3256	4968	Celery1.exe	88
PID 4968 wrote to memory of 3256	4968	Celery1.exe	88
PID 4968 wrote to memory of 3256	4968	Celery1.exe	88
PID 4968 wrote to memory of 3256	4968	Celery1.exe	88
PID 4968 wrote to memory of 3256	4968	Celery1.exe	88
PID 4968 wrote to memory of 3256	4968	Celery1.exe	88
PID 4968 wrote to memory of 3256	4968	Celery1.exe	88
PID 4968 wrote to memory of 3256	4968	Celery1.exe	88
PID 4968 wrote to memory of 3256	4968	Celery1.exe	88
PID 4968 wrote to memory of 3256	4968	Celery1.exe	88
PID 4968 wrote to memory of 3256	4968	Celery1.exe	88
PID 4968 wrote to memory of 3256	4968	Celery1.exe	88
PID 4968 wrote to memory of 3256	4968	Celery1.exe	88
PID 4968 wrote to memory of 3256	4968	Celery1.exe	88
PID 4968 wrote to memory of 3256	4968	Celery1.exe	88
PID 4968 wrote to memory of 3256	4968	Celery1.exe	88
PID 4968 wrote to memory of 3256	4968	Celery1.exe	88
PID 1936 wrote to memory of 312	1936	cmd.exe	91
PID 1936 wrote to memory of 312	1936	cmd.exe	91
PID 1936 wrote to memory of 312	1936	cmd.exe	91
PID 1504 wrote to memory of 1984	1504	cmd.exe	92
PID 1504 wrote to memory of 1984	1504	cmd.exe	92
PID 1504 wrote to memory of 1984	1504	cmd.exe	92

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
1984	attrib.exe
312	attrib.exe

C:\Users\Admin\AppData\Local\Temp\CeleryBootstrapper.exe
"C:\Users\Admin\AppData\Local\Temp\CeleryBootstrapper.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2900
- C:\Users\Admin\AppData\Roaming\Celery1.exe
  "C:\Users\Admin\AppData\Roaming\Celery1.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4968
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Roaming\Celery1.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1936
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Roaming\Celery1.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:312
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Roaming" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1504
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Roaming" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:1984
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3256
- C:\Users\Admin\AppData\Roaming\CeleryApp.exe
  "C:\Users\Admin\AppData\Roaming\CeleryApp.exe"
  2⤵
  - Executes dropped EXE
  PID:2844

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Celery1.exe

Filesize
658KB

MD5
c9f1efb9592fbaf015bb752e028a34c2

SHA1
6fd76b5153e51607f58a9cf93ac6aff6468fc0ce

SHA256
d886774a1dd4b6531000f76d9a46a79b396c986d5fe189ff318230ef72a0c3fc

SHA512
0bb00b311666877cd30df3833a2cadcecb7505f7c88dffce7cfea906f8513d3870e98d861ad8870c37346f06aa7f74d6c6945c413fe4bbc3375a8399f3b2b041

Download Submit
C:\Users\Admin\AppData\Roaming\CeleryApp.exe

Filesize
8.8MB

MD5
74c366b46a85acac6c83e9671e64dda7

SHA1
dc9a7b4cc7511b701401aa86e0106d3495e3a0fe

SHA256
6a25cc6c05e54ca56e8b51d2b2bd8b9a17a96ecb1d1f6d4442d36378dc809ed1

SHA512
e0df64a74c3c9e1c36f5957d346d961cc92741b1803e05d41454dde4371a0e9420f9e79163bed9fe2d8b588b9da6f2faaa08003ca50be37a6425a8320acd15cb

Download Submit
memory/2844-36-0x000002A9F4750000-0x000002A9F47C4000-memory.dmp

Filesize
464KB

Download
memory/2844-34-0x000002A9F4810000-0x000002A9F48CA000-memory.dmp

Filesize
744KB

Download
memory/2844-39-0x000002A9F4AE0000-0x000002A9F4AEE000-memory.dmp

Filesize
56KB

Download
memory/2844-38-0x000002A9F4B20000-0x000002A9F4B58000-memory.dmp

Filesize
224KB

Download
memory/2844-27-0x00007FFEA9AB3000-0x00007FFEA9AB5000-memory.dmp

Filesize
8KB

Download
memory/2844-37-0x000002A9F48D0000-0x000002A9F48D8000-memory.dmp

Filesize
32KB

Download
memory/2844-35-0x000002A9F30F0000-0x000002A9F30FE000-memory.dmp

Filesize
56KB

Download
memory/2844-30-0x000002A9F0C30000-0x000002A9F14F6000-memory.dmp

Filesize
8.8MB

Download
memory/2844-31-0x000002A9F3110000-0x000002A9F3150000-memory.dmp

Filesize
256KB

Download
memory/2844-32-0x000002A9F3BB0000-0x000002A9F3C00000-memory.dmp

Filesize
320KB

Download
memory/2844-33-0x000002A9F3C00000-0x000002A9F451E000-memory.dmp

Filesize
9.1MB

Download
memory/2900-0-0x0000000074D02000-0x0000000074D03000-memory.dmp

Filesize
4KB

Download
memory/2900-2-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/2900-28-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/2900-1-0x0000000074D00000-0x00000000752B1000-memory.dmp

Filesize
5.7MB

Download
memory/3256-29-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download
memory/4968-26-0x00000000007A0000-0x00000000007A1000-memory.dmp

Filesize
4KB

Download
memory/4968-40-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads