darkcomet | 1976bc1a65844dc3a8b1e22c5fd4956db83b3a17a2d1ddbc0147bc5a40e76b74

Analysis

max time kernel
149s
max time network
143s
platform
windows7_x64
resource
win7-20250207-en
resource tags

arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system
submitted
16/02/2025, 20:20

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General

Target

1976bc1a65844dc3a8b1e22c5fd4956db83b3a17a2d1ddbc0147bc5a40e76b74.exe
Size

3.9MB
MD5

e8d1a4f7e591160cc22e07f49e51898d
SHA1

ff3a4b6025566d8fd78f618eb8b592c7f26cc3f5
SHA256

1976bc1a65844dc3a8b1e22c5fd4956db83b3a17a2d1ddbc0147bc5a40e76b74
SHA512

3ea5e2226f3ec5ed6b5e40c96d8ac163e96694bc37a69a4a61f952f8fdd0d59d19d5c681e749ef777f3e55afad4a18b6c63c7082b2468f9dfe10246a4a76a0eb
SSDEEP

98304:alX3KMj7yBNUVPhd5G0Z5DxdM3hZpmBAlB6D4tyX6kuT4IkQApCgvms0Cv05J5Ck:alX3KMj7yBNUVPhd5G0Z5DxdM3hZpmBk

Score

10^/10

darkcomet whale discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Whale

ygo.no-ip.info:1604

Mutex

DC_MUTEX-KF2Q2MJ

Attributes

gencode
YxpcQq6jqoiB
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

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	Soundcrd.exe

Executes dropped EXE 3 IoCs

pid	Process
800	Soundcrd.exe
2796	Soundcrd.exe
2864	Soundcrd.exe

Loads dropped DLL 7 IoCs

pid	Process
2412	1976bc1a65844dc3a8b1e22c5fd4956db83b3a17a2d1ddbc0147bc5a40e76b74.exe
2412	1976bc1a65844dc3a8b1e22c5fd4956db83b3a17a2d1ddbc0147bc5a40e76b74.exe
2412	1976bc1a65844dc3a8b1e22c5fd4956db83b3a17a2d1ddbc0147bc5a40e76b74.exe
2412	1976bc1a65844dc3a8b1e22c5fd4956db83b3a17a2d1ddbc0147bc5a40e76b74.exe
2412	1976bc1a65844dc3a8b1e22c5fd4956db83b3a17a2d1ddbc0147bc5a40e76b74.exe
800	Soundcrd.exe
800	Soundcrd.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-1-5-21-677481364-2238709445-1347953534-1000\Software\Microsoft\Windows\CurrentVersion\Run\Mcrosoftt = "C:\\Users\\Admin\\AppData\\Roaming\\Soundcrd.exe"	reg.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 800 set thread context of 2796	800	Soundcrd.exe	34
PID 800 set thread context of 2864	800	Soundcrd.exe	35

UPX packed file 23 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2412-0-0x0000000000400000-0x00000000007EC000-memory.dmp	upx
behavioral1/files/0x0009000000015d5b-27.dat	upx
behavioral1/memory/2796-53-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/800-51-0x0000000000400000-0x00000000007EC000-memory.dmp	upx
behavioral1/memory/2796-61-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/800-60-0x0000000000400000-0x00000000007EC000-memory.dmp	upx
behavioral1/memory/2864-59-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2864-58-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2796-64-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2796-68-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2796-67-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2796-66-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2796-65-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2864-56-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2412-46-0x0000000000400000-0x00000000007EC000-memory.dmp	upx
behavioral1/memory/2864-71-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2796-70-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2796-77-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2796-81-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2796-85-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2796-89-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2796-95-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2796-99-0x0000000000400000-0x00000000004B5000-memory.dmp	upx

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 6 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	Soundcrd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1976bc1a65844dc3a8b1e22c5fd4956db83b3a17a2d1ddbc0147bc5a40e76b74.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Soundcrd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Soundcrd.exe

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Soundcrd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Soundcrd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	Soundcrd.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	Soundcrd.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	Soundcrd.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	2864	Soundcrd.exe
Token: SeIncreaseQuotaPrivilege	2796	Soundcrd.exe
Token: SeSecurityPrivilege	2796	Soundcrd.exe
Token: SeTakeOwnershipPrivilege	2796	Soundcrd.exe
Token: SeLoadDriverPrivilege	2796	Soundcrd.exe
Token: SeSystemProfilePrivilege	2796	Soundcrd.exe
Token: SeSystemtimePrivilege	2796	Soundcrd.exe
Token: SeProfSingleProcessPrivilege	2796	Soundcrd.exe
Token: SeIncBasePriorityPrivilege	2796	Soundcrd.exe
Token: SeCreatePagefilePrivilege	2796	Soundcrd.exe
Token: SeBackupPrivilege	2796	Soundcrd.exe
Token: SeRestorePrivilege	2796	Soundcrd.exe
Token: SeShutdownPrivilege	2796	Soundcrd.exe
Token: SeDebugPrivilege	2796	Soundcrd.exe
Token: SeSystemEnvironmentPrivilege	2796	Soundcrd.exe
Token: SeChangeNotifyPrivilege	2796	Soundcrd.exe
Token: SeRemoteShutdownPrivilege	2796	Soundcrd.exe
Token: SeUndockPrivilege	2796	Soundcrd.exe
Token: SeManageVolumePrivilege	2796	Soundcrd.exe
Token: SeImpersonatePrivilege	2796	Soundcrd.exe
Token: SeCreateGlobalPrivilege	2796	Soundcrd.exe
Token: 33	2796	Soundcrd.exe
Token: 34	2796	Soundcrd.exe
Token: 35	2796	Soundcrd.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2412	1976bc1a65844dc3a8b1e22c5fd4956db83b3a17a2d1ddbc0147bc5a40e76b74.exe
800	Soundcrd.exe
2864	Soundcrd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2552	2412	1976bc1a65844dc3a8b1e22c5fd4956db83b3a17a2d1ddbc0147bc5a40e76b74.exe	30
PID 2412 wrote to memory of 2552	2412	1976bc1a65844dc3a8b1e22c5fd4956db83b3a17a2d1ddbc0147bc5a40e76b74.exe	30
PID 2412 wrote to memory of 2552	2412	1976bc1a65844dc3a8b1e22c5fd4956db83b3a17a2d1ddbc0147bc5a40e76b74.exe	30
PID 2412 wrote to memory of 2552	2412	1976bc1a65844dc3a8b1e22c5fd4956db83b3a17a2d1ddbc0147bc5a40e76b74.exe	30
PID 2552 wrote to memory of 2968	2552	cmd.exe	32
PID 2552 wrote to memory of 2968	2552	cmd.exe	32
PID 2552 wrote to memory of 2968	2552	cmd.exe	32
PID 2552 wrote to memory of 2968	2552	cmd.exe	32
PID 2412 wrote to memory of 800	2412	1976bc1a65844dc3a8b1e22c5fd4956db83b3a17a2d1ddbc0147bc5a40e76b74.exe	33
PID 2412 wrote to memory of 800	2412	1976bc1a65844dc3a8b1e22c5fd4956db83b3a17a2d1ddbc0147bc5a40e76b74.exe	33
PID 2412 wrote to memory of 800	2412	1976bc1a65844dc3a8b1e22c5fd4956db83b3a17a2d1ddbc0147bc5a40e76b74.exe	33
PID 2412 wrote to memory of 800	2412	1976bc1a65844dc3a8b1e22c5fd4956db83b3a17a2d1ddbc0147bc5a40e76b74.exe	33
PID 800 wrote to memory of 2796	800	Soundcrd.exe	34
PID 800 wrote to memory of 2796	800	Soundcrd.exe	34
PID 800 wrote to memory of 2796	800	Soundcrd.exe	34
PID 800 wrote to memory of 2796	800	Soundcrd.exe	34
PID 800 wrote to memory of 2796	800	Soundcrd.exe	34
PID 800 wrote to memory of 2796	800	Soundcrd.exe	34
PID 800 wrote to memory of 2796	800	Soundcrd.exe	34
PID 800 wrote to memory of 2796	800	Soundcrd.exe	34
PID 800 wrote to memory of 2796	800	Soundcrd.exe	34
PID 800 wrote to memory of 2864	800	Soundcrd.exe	35
PID 800 wrote to memory of 2864	800	Soundcrd.exe	35
PID 800 wrote to memory of 2864	800	Soundcrd.exe	35
PID 800 wrote to memory of 2864	800	Soundcrd.exe	35
PID 800 wrote to memory of 2864	800	Soundcrd.exe	35
PID 800 wrote to memory of 2864	800	Soundcrd.exe	35
PID 800 wrote to memory of 2864	800	Soundcrd.exe	35
PID 800 wrote to memory of 2864	800	Soundcrd.exe	35
PID 800 wrote to memory of 2864	800	Soundcrd.exe	35

C:\Users\Admin\AppData\Local\Temp\1976bc1a65844dc3a8b1e22c5fd4956db83b3a17a2d1ddbc0147bc5a40e76b74.exe
"C:\Users\Admin\AppData\Local\Temp\1976bc1a65844dc3a8b1e22c5fd4956db83b3a17a2d1ddbc0147bc5a40e76b74.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\iNelL.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2552
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Mcrosoftt" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Soundcrd.exe" /f
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:2968
- C:\Users\Admin\AppData\Roaming\Soundcrd.exe
  "C:\Users\Admin\AppData\Roaming\Soundcrd.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:800
- - C:\Users\Admin\AppData\Roaming\Soundcrd.exe
    C:\Users\Admin\AppData\Roaming\Soundcrd.exe
    3⤵
    - Checks BIOS information in registry
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:2796
- - C:\Users\Admin\AppData\Roaming\Soundcrd.exe
    C:\Users\Admin\AppData\Roaming\Soundcrd.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:2864

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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\Local\Temp\iNelL.bat

Filesize
139B

MD5
173bcce4810d4901872d0ef4f0bfea4e

SHA1
561b03fdfe68b6419fddf57f32e1aab9a6126a2f

SHA256
10ea37eceabbe80fe9814280b66b957636951dbeeed18a9b4d50a1d24a6f1d1d

SHA512
2401e0a5e3f7bf590a0767449da2249d09717e8c1cb71a7475e81d9615580001cfc38705cd1a5b4edc33f7df043bf195e28e4a5442a32bc879dffc6473bd545e

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

Filesize
3.9MB

MD5
fda9bb8eb62f512c9f0db00ee80cd664

SHA1
be8b6e10f53fa3a087cd12ee8781fa4ce3b754de

SHA256
1edb6cceb0da914d149e84b21f74127ff00b8f9bc7c63936a95850c3fa24886e

SHA512
44fa5ad11ea4d242b2f2543052542df445fb77ae7b6213b5d9d6239d4dd84112a6a506431571b5b18bec524ea0135a1072ec0dc3b1143f03234a12e93e600c52

Download Submit
memory/800-52-0x0000000002C40000-0x000000000302C000-memory.dmp

Filesize
3.9MB

Download
memory/800-74-0x0000000002D40000-0x000000000312C000-memory.dmp

Filesize
3.9MB

Download
memory/800-51-0x0000000000400000-0x00000000007EC000-memory.dmp

Filesize
3.9MB

Download
memory/800-69-0x0000000002D40000-0x000000000312C000-memory.dmp

Filesize
3.9MB

Download
memory/800-60-0x0000000000400000-0x00000000007EC000-memory.dmp

Filesize
3.9MB

Download
memory/2412-0-0x0000000000400000-0x00000000007EC000-memory.dmp

Filesize
3.9MB

Download
memory/2412-44-0x0000000003A10000-0x0000000003DFC000-memory.dmp

Filesize
3.9MB

Download
memory/2412-43-0x0000000003A10000-0x0000000003DFC000-memory.dmp

Filesize
3.9MB

Download
memory/2412-42-0x0000000003A10000-0x0000000003DFC000-memory.dmp

Filesize
3.9MB

Download
memory/2412-46-0x0000000000400000-0x00000000007EC000-memory.dmp

Filesize
3.9MB

Download
memory/2796-68-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2796-70-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2796-99-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2796-67-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2796-66-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2796-65-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2796-95-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2796-89-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2796-85-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2796-64-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2796-61-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2796-53-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2796-77-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2796-81-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2864-71-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2864-59-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2864-56-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2864-58-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads