darkcomet | 434ae7373a4cd2b22fe61df860b8e2e8d5b4a5656f0128e76a5aa59c2c998dfd

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-11-2024 13:44

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General

Target

434ae7373a4cd2b22fe61df860b8e2e8d5b4a5656f0128e76a5aa59c2c998dfdN.exe
Size

3.9MB
MD5

32929fcb435bf6d3f34c36da1cbd4a00
SHA1

47366d7c5c285065b183f93c372e24fd57133fe7
SHA256

434ae7373a4cd2b22fe61df860b8e2e8d5b4a5656f0128e76a5aa59c2c998dfd
SHA512

3bf5e4befc1b788a2ca47501157284052a377f748ca2316d4caea0cea9167f6a8fb35563e2de3a2c38a49c51ca7ad600523b42749af33730ad5fcd313ebe3fb4
SSDEEP

98304:alX3KMj7yBNUVPhd5G0Z5DxdM3hZpmBAlB6D4tyX6kuT4IkQApCgvms0Cv05J5C5:alX3KMj7yBNUVPhd5G0Z5DxdM3hZpmB5

Score

10^/10

darkcomet discovery persistence rat trojan upx

Malware Config

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
2804	Soundcrd.exe
1420	Soundcrd.exe
2972	Soundcrd.exe

Loads dropped DLL 5 IoCs

pid	Process
2500	434ae7373a4cd2b22fe61df860b8e2e8d5b4a5656f0128e76a5aa59c2c998dfdN.exe
2500	434ae7373a4cd2b22fe61df860b8e2e8d5b4a5656f0128e76a5aa59c2c998dfdN.exe
2500	434ae7373a4cd2b22fe61df860b8e2e8d5b4a5656f0128e76a5aa59c2c998dfdN.exe
2500	434ae7373a4cd2b22fe61df860b8e2e8d5b4a5656f0128e76a5aa59c2c998dfdN.exe
2500	434ae7373a4cd2b22fe61df860b8e2e8d5b4a5656f0128e76a5aa59c2c998dfdN.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-1-5-21-3692679935-4019334568-335155002-1000\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 2804 set thread context of 1420	2804	Soundcrd.exe	34
PID 2804 set thread context of 2972	2804	Soundcrd.exe	35

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2500-2-0x0000000000400000-0x00000000007EC000-memory.dmp	upx
behavioral1/files/0x000d000000016fc9-27.dat	upx
behavioral1/memory/2500-36-0x00000000033F0000-0x00000000037DC000-memory.dmp	upx
behavioral1/memory/2500-48-0x0000000000400000-0x00000000007EC000-memory.dmp	upx
behavioral1/memory/1420-54-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1420-55-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1420-52-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1420-56-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1420-57-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1420-58-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1420-59-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1420-61-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1420-60-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2972-62-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2804-66-0x0000000000400000-0x00000000007EC000-memory.dmp	upx
behavioral1/memory/2972-65-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2972-64-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/1420-69-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2972-71-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/1420-74-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1420-78-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1420-82-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1420-86-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/1420-90-0x0000000000400000-0x00000000004B5000-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	434ae7373a4cd2b22fe61df860b8e2e8d5b4a5656f0128e76a5aa59c2c998dfdN.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: SeIncreaseQuotaPrivilege	1420	Soundcrd.exe
Token: SeSecurityPrivilege	1420	Soundcrd.exe
Token: SeTakeOwnershipPrivilege	1420	Soundcrd.exe
Token: SeLoadDriverPrivilege	1420	Soundcrd.exe
Token: SeSystemProfilePrivilege	1420	Soundcrd.exe
Token: SeSystemtimePrivilege	1420	Soundcrd.exe
Token: SeProfSingleProcessPrivilege	1420	Soundcrd.exe
Token: SeIncBasePriorityPrivilege	1420	Soundcrd.exe
Token: SeCreatePagefilePrivilege	1420	Soundcrd.exe
Token: SeBackupPrivilege	1420	Soundcrd.exe
Token: SeRestorePrivilege	1420	Soundcrd.exe
Token: SeShutdownPrivilege	1420	Soundcrd.exe
Token: SeDebugPrivilege	1420	Soundcrd.exe
Token: SeSystemEnvironmentPrivilege	1420	Soundcrd.exe
Token: SeChangeNotifyPrivilege	1420	Soundcrd.exe
Token: SeRemoteShutdownPrivilege	1420	Soundcrd.exe
Token: SeUndockPrivilege	1420	Soundcrd.exe
Token: SeManageVolumePrivilege	1420	Soundcrd.exe
Token: SeImpersonatePrivilege	1420	Soundcrd.exe
Token: SeCreateGlobalPrivilege	1420	Soundcrd.exe
Token: 33	1420	Soundcrd.exe
Token: 34	1420	Soundcrd.exe
Token: 35	1420	Soundcrd.exe
Token: SeDebugPrivilege	2972	Soundcrd.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2500	434ae7373a4cd2b22fe61df860b8e2e8d5b4a5656f0128e76a5aa59c2c998dfdN.exe
2804	Soundcrd.exe
2972	Soundcrd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2492	2500	434ae7373a4cd2b22fe61df860b8e2e8d5b4a5656f0128e76a5aa59c2c998dfdN.exe	30
PID 2500 wrote to memory of 2492	2500	434ae7373a4cd2b22fe61df860b8e2e8d5b4a5656f0128e76a5aa59c2c998dfdN.exe	30
PID 2500 wrote to memory of 2492	2500	434ae7373a4cd2b22fe61df860b8e2e8d5b4a5656f0128e76a5aa59c2c998dfdN.exe	30
PID 2500 wrote to memory of 2492	2500	434ae7373a4cd2b22fe61df860b8e2e8d5b4a5656f0128e76a5aa59c2c998dfdN.exe	30
PID 2492 wrote to memory of 2756	2492	cmd.exe	32
PID 2492 wrote to memory of 2756	2492	cmd.exe	32
PID 2492 wrote to memory of 2756	2492	cmd.exe	32
PID 2492 wrote to memory of 2756	2492	cmd.exe	32
PID 2500 wrote to memory of 2804	2500	434ae7373a4cd2b22fe61df860b8e2e8d5b4a5656f0128e76a5aa59c2c998dfdN.exe	33
PID 2500 wrote to memory of 2804	2500	434ae7373a4cd2b22fe61df860b8e2e8d5b4a5656f0128e76a5aa59c2c998dfdN.exe	33
PID 2500 wrote to memory of 2804	2500	434ae7373a4cd2b22fe61df860b8e2e8d5b4a5656f0128e76a5aa59c2c998dfdN.exe	33
PID 2500 wrote to memory of 2804	2500	434ae7373a4cd2b22fe61df860b8e2e8d5b4a5656f0128e76a5aa59c2c998dfdN.exe	33
PID 2804 wrote to memory of 1420	2804	Soundcrd.exe	34
PID 2804 wrote to memory of 1420	2804	Soundcrd.exe	34
PID 2804 wrote to memory of 1420	2804	Soundcrd.exe	34
PID 2804 wrote to memory of 1420	2804	Soundcrd.exe	34
PID 2804 wrote to memory of 1420	2804	Soundcrd.exe	34
PID 2804 wrote to memory of 1420	2804	Soundcrd.exe	34
PID 2804 wrote to memory of 1420	2804	Soundcrd.exe	34
PID 2804 wrote to memory of 1420	2804	Soundcrd.exe	34
PID 2804 wrote to memory of 1420	2804	Soundcrd.exe	34
PID 2804 wrote to memory of 2972	2804	Soundcrd.exe	35
PID 2804 wrote to memory of 2972	2804	Soundcrd.exe	35
PID 2804 wrote to memory of 2972	2804	Soundcrd.exe	35
PID 2804 wrote to memory of 2972	2804	Soundcrd.exe	35
PID 2804 wrote to memory of 2972	2804	Soundcrd.exe	35
PID 2804 wrote to memory of 2972	2804	Soundcrd.exe	35
PID 2804 wrote to memory of 2972	2804	Soundcrd.exe	35
PID 2804 wrote to memory of 2972	2804	Soundcrd.exe	35
PID 2804 wrote to memory of 2972	2804	Soundcrd.exe	35

C:\Users\Admin\AppData\Local\Temp\434ae7373a4cd2b22fe61df860b8e2e8d5b4a5656f0128e76a5aa59c2c998dfdN.exe
"C:\Users\Admin\AppData\Local\Temp\434ae7373a4cd2b22fe61df860b8e2e8d5b4a5656f0128e76a5aa59c2c998dfdN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\SvkhT.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2492
- - 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:2756
- C:\Users\Admin\AppData\Roaming\Soundcrd.exe
  "C:\Users\Admin\AppData\Roaming\Soundcrd.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2804
- - 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:1420
- - 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:2972

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\SvkhT.bat

Filesize
139B

MD5
173bcce4810d4901872d0ef4f0bfea4e

SHA1
561b03fdfe68b6419fddf57f32e1aab9a6126a2f

SHA256
10ea37eceabbe80fe9814280b66b957636951dbeeed18a9b4d50a1d24a6f1d1d

SHA512
2401e0a5e3f7bf590a0767449da2249d09717e8c1cb71a7475e81d9615580001cfc38705cd1a5b4edc33f7df043bf195e28e4a5442a32bc879dffc6473bd545e

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

Filesize
3.9MB

MD5
8fccb3d84f5dab84ef9a33742a359be3

SHA1
9b1349af8313ebf83fc6a40abc4b52193c70a562

SHA256
520b978b21366c948f44b16addc5ab683d8f77d2575d7d416e22b945664e0981

SHA512
3a9c3e4ad1331ea35e5451419988440c5f9173ec3a829aee7adaeade71cf8d4218ebfb9bc90e29da7bebdc2c21655e07aa4bd8ac189671609df9d30191e1b596

Download Submit
memory/1420-69-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1420-90-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1420-86-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1420-82-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1420-78-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1420-74-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1420-60-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1420-54-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1420-55-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1420-52-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1420-56-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1420-57-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1420-58-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1420-59-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1420-61-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2500-44-0x00000000033F0000-0x00000000037DC000-memory.dmp

Filesize
3.9MB

Download
memory/2500-48-0x0000000000400000-0x00000000007EC000-memory.dmp

Filesize
3.9MB

Download
memory/2500-2-0x0000000000400000-0x00000000007EC000-memory.dmp

Filesize
3.9MB

Download
memory/2500-45-0x00000000033F0000-0x00000000037DC000-memory.dmp

Filesize
3.9MB

Download
memory/2500-46-0x00000000033F0000-0x00000000037DC000-memory.dmp

Filesize
3.9MB

Download
memory/2500-35-0x00000000033F0000-0x00000000037DC000-memory.dmp

Filesize
3.9MB

Download
memory/2500-36-0x00000000033F0000-0x00000000037DC000-memory.dmp

Filesize
3.9MB

Download
memory/2804-66-0x0000000000400000-0x00000000007EC000-memory.dmp

Filesize
3.9MB

Download
memory/2972-62-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2972-65-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2972-64-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2972-71-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads