darkcomet | 6d0029ecf92c416f7325f3a398f6a158023f0613900fc93c7a55f9291e0849ee

Analysis

max time kernel
140s
max time network
142s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/02/2025, 00:45

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General

Target

6d0029ecf92c416f7325f3a398f6a158023f0613900fc93c7a55f9291e0849ee.exe
Size

574KB
MD5

71996a0344364a7e68323232136c2875
SHA1

dfd3b9e46085f632cfbc4e66d98f8995bedf6aff
SHA256

6d0029ecf92c416f7325f3a398f6a158023f0613900fc93c7a55f9291e0849ee
SHA512

2f9dc06d0d1d90b861844dae24fb48e4ccc9a7f3847039cf2b122b518bd31a3cf29af527708cf11fde9fb2a4ce7d69cf19ae7a3152a3eb8f378fb9c4a974e4f5
SSDEEP

12288:zCyEHAWAdljmJqkC3xMX85FSR2f9A08NIX+Vjwd4G/3z1ET4m3HdsubI:zFhWAfn22m0eD1GPz8Hdx8

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
2748	Soundcrd.exe
2564	Soundcrd.exe
2816	Soundcrd.exe

Loads dropped DLL 7 IoCs

pid	Process
1696	6d0029ecf92c416f7325f3a398f6a158023f0613900fc93c7a55f9291e0849ee.exe
1696	6d0029ecf92c416f7325f3a398f6a158023f0613900fc93c7a55f9291e0849ee.exe
1696	6d0029ecf92c416f7325f3a398f6a158023f0613900fc93c7a55f9291e0849ee.exe
1696	6d0029ecf92c416f7325f3a398f6a158023f0613900fc93c7a55f9291e0849ee.exe
1696	6d0029ecf92c416f7325f3a398f6a158023f0613900fc93c7a55f9291e0849ee.exe
2748	Soundcrd.exe
2748	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-1-5-21-1488793075-819845221-1497111674-1000\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 2748 set thread context of 2564	2748	Soundcrd.exe	35
PID 2748 set thread context of 2816	2748	Soundcrd.exe	36

UPX packed file 20 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2564-56-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2564-72-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2564-73-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2564-71-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2564-68-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2816-64-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2816-63-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2564-62-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2816-60-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2564-59-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2564-58-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2564-54-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2564-74-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2816-75-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2564-80-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2564-84-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2564-88-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2564-92-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2564-96-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2564-100-0x0000000000400000-0x00000000004B5000-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	Soundcrd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Soundcrd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6d0029ecf92c416f7325f3a398f6a158023f0613900fc93c7a55f9291e0849ee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.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	2816	Soundcrd.exe
Token: SeIncreaseQuotaPrivilege	2564	Soundcrd.exe
Token: SeSecurityPrivilege	2564	Soundcrd.exe
Token: SeTakeOwnershipPrivilege	2564	Soundcrd.exe
Token: SeLoadDriverPrivilege	2564	Soundcrd.exe
Token: SeSystemProfilePrivilege	2564	Soundcrd.exe
Token: SeSystemtimePrivilege	2564	Soundcrd.exe
Token: SeProfSingleProcessPrivilege	2564	Soundcrd.exe
Token: SeIncBasePriorityPrivilege	2564	Soundcrd.exe
Token: SeCreatePagefilePrivilege	2564	Soundcrd.exe
Token: SeBackupPrivilege	2564	Soundcrd.exe
Token: SeRestorePrivilege	2564	Soundcrd.exe
Token: SeShutdownPrivilege	2564	Soundcrd.exe
Token: SeDebugPrivilege	2564	Soundcrd.exe
Token: SeSystemEnvironmentPrivilege	2564	Soundcrd.exe
Token: SeChangeNotifyPrivilege	2564	Soundcrd.exe
Token: SeRemoteShutdownPrivilege	2564	Soundcrd.exe
Token: SeUndockPrivilege	2564	Soundcrd.exe
Token: SeManageVolumePrivilege	2564	Soundcrd.exe
Token: SeImpersonatePrivilege	2564	Soundcrd.exe
Token: SeCreateGlobalPrivilege	2564	Soundcrd.exe
Token: 33	2564	Soundcrd.exe
Token: 34	2564	Soundcrd.exe
Token: 35	2564	Soundcrd.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1696	6d0029ecf92c416f7325f3a398f6a158023f0613900fc93c7a55f9291e0849ee.exe
2748	Soundcrd.exe
2816	Soundcrd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 1164	1696	6d0029ecf92c416f7325f3a398f6a158023f0613900fc93c7a55f9291e0849ee.exe	31
PID 1696 wrote to memory of 1164	1696	6d0029ecf92c416f7325f3a398f6a158023f0613900fc93c7a55f9291e0849ee.exe	31
PID 1696 wrote to memory of 1164	1696	6d0029ecf92c416f7325f3a398f6a158023f0613900fc93c7a55f9291e0849ee.exe	31
PID 1696 wrote to memory of 1164	1696	6d0029ecf92c416f7325f3a398f6a158023f0613900fc93c7a55f9291e0849ee.exe	31
PID 1164 wrote to memory of 2672	1164	cmd.exe	33
PID 1164 wrote to memory of 2672	1164	cmd.exe	33
PID 1164 wrote to memory of 2672	1164	cmd.exe	33
PID 1164 wrote to memory of 2672	1164	cmd.exe	33
PID 1696 wrote to memory of 2748	1696	6d0029ecf92c416f7325f3a398f6a158023f0613900fc93c7a55f9291e0849ee.exe	34
PID 1696 wrote to memory of 2748	1696	6d0029ecf92c416f7325f3a398f6a158023f0613900fc93c7a55f9291e0849ee.exe	34
PID 1696 wrote to memory of 2748	1696	6d0029ecf92c416f7325f3a398f6a158023f0613900fc93c7a55f9291e0849ee.exe	34
PID 1696 wrote to memory of 2748	1696	6d0029ecf92c416f7325f3a398f6a158023f0613900fc93c7a55f9291e0849ee.exe	34
PID 2748 wrote to memory of 2564	2748	Soundcrd.exe	35
PID 2748 wrote to memory of 2564	2748	Soundcrd.exe	35
PID 2748 wrote to memory of 2564	2748	Soundcrd.exe	35
PID 2748 wrote to memory of 2564	2748	Soundcrd.exe	35
PID 2748 wrote to memory of 2564	2748	Soundcrd.exe	35
PID 2748 wrote to memory of 2564	2748	Soundcrd.exe	35
PID 2748 wrote to memory of 2564	2748	Soundcrd.exe	35
PID 2748 wrote to memory of 2564	2748	Soundcrd.exe	35
PID 2748 wrote to memory of 2564	2748	Soundcrd.exe	35
PID 2748 wrote to memory of 2816	2748	Soundcrd.exe	36
PID 2748 wrote to memory of 2816	2748	Soundcrd.exe	36
PID 2748 wrote to memory of 2816	2748	Soundcrd.exe	36
PID 2748 wrote to memory of 2816	2748	Soundcrd.exe	36
PID 2748 wrote to memory of 2816	2748	Soundcrd.exe	36
PID 2748 wrote to memory of 2816	2748	Soundcrd.exe	36
PID 2748 wrote to memory of 2816	2748	Soundcrd.exe	36
PID 2748 wrote to memory of 2816	2748	Soundcrd.exe	36
PID 2748 wrote to memory of 2816	2748	Soundcrd.exe	36

C:\Users\Admin\AppData\Local\Temp\6d0029ecf92c416f7325f3a398f6a158023f0613900fc93c7a55f9291e0849ee.exe
"C:\Users\Admin\AppData\Local\Temp\6d0029ecf92c416f7325f3a398f6a158023f0613900fc93c7a55f9291e0849ee.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1696
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\qjGVs.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1164
- - 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:2672
- 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:2748
- - 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:2564
- - 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:2816

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\qjGVs.bat

Filesize
139B

MD5
173bcce4810d4901872d0ef4f0bfea4e

SHA1
561b03fdfe68b6419fddf57f32e1aab9a6126a2f

SHA256
10ea37eceabbe80fe9814280b66b957636951dbeeed18a9b4d50a1d24a6f1d1d

SHA512
2401e0a5e3f7bf590a0767449da2249d09717e8c1cb71a7475e81d9615580001cfc38705cd1a5b4edc33f7df043bf195e28e4a5442a32bc879dffc6473bd545e

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

Filesize
574KB

MD5
148b2cf9cb3e96074adec69716ffea83

SHA1
c5a4f8f291c999701d77343929bdd178f50b3433

SHA256
322d9bef9c83e45876a975c84b3d0009515bb20bc8099097bc01221aa6917b4d

SHA512
6e2eb3a0cd3734354b232f493a675a9b41a4c988a5855162c4c3e4a898a2da0df29c945ab848142c2c58f6ead190bdd1b839d3ac3ecec92b18c849e9a6d65f62

Download Submit
memory/1696-0-0x0000000000400000-0x00000000007EA000-memory.dmp

Filesize
3.9MB

Download
memory/1696-43-0x00000000039D0000-0x0000000003DBA000-memory.dmp

Filesize
3.9MB

Download
memory/1696-44-0x00000000039D0000-0x0000000003DBA000-memory.dmp

Filesize
3.9MB

Download
memory/1696-46-0x00000000039D0000-0x0000000003DBA000-memory.dmp

Filesize
3.9MB

Download
memory/1696-47-0x0000000000400000-0x00000000007EA000-memory.dmp

Filesize
3.9MB

Download
memory/2564-71-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2564-73-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2564-100-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2564-96-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2564-92-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2564-88-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2564-62-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2564-84-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2564-59-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2564-58-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2564-54-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2564-68-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2564-72-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2564-56-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2564-80-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2564-74-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2748-48-0x0000000000400000-0x00000000007EA000-memory.dmp

Filesize
3.9MB

Download
memory/2748-53-0x0000000002B20000-0x0000000002F0A000-memory.dmp

Filesize
3.9MB

Download
memory/2748-66-0x0000000002C20000-0x000000000300A000-memory.dmp

Filesize
3.9MB

Download
memory/2748-67-0x0000000000400000-0x00000000007EA000-memory.dmp

Filesize
3.9MB

Download
memory/2816-75-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2816-60-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2816-63-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2816-64-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads