darkcomet | 60d660592a2c11e3f565043d441942eb32e333d7bfa648adc81e4e79de345b29

Analysis

max time kernel
51s
max time network
56s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
08/10/2024, 19:04

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General

Target

60d660592a2c11e3f565043d441942eb32e333d7bfa648adc81e4e79de345b29.exe
Size

574KB
MD5

827a280c1e8e27639b3cac7f16b6e231
SHA1

0568b2cf7f77b7d312db126c0393f61f1f2af795
SHA256

60d660592a2c11e3f565043d441942eb32e333d7bfa648adc81e4e79de345b29
SHA512

93eb5355446748e901c9ed30f5635f524c7255dfd4f277711bb0a207d91c7f3285cbffe9cca72d8e9dca343e243a93f6bfefe24f5b45331fe45ab549c66c884c
SSDEEP

12288:zCyEHAWAdljmJqkC3xMX85FSR2f9A08NIX+Vjwd4G/3z1ET4m3HdsubD:zFhWAfn22m0eD1GPz8Hdxn

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

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
2824	Soundcrd.exe
2796	Soundcrd.exe
2600	Soundcrd.exe

Loads dropped DLL 7 IoCs

pid	Process
1780	60d660592a2c11e3f565043d441942eb32e333d7bfa648adc81e4e79de345b29.exe
1780	60d660592a2c11e3f565043d441942eb32e333d7bfa648adc81e4e79de345b29.exe
1780	60d660592a2c11e3f565043d441942eb32e333d7bfa648adc81e4e79de345b29.exe
1780	60d660592a2c11e3f565043d441942eb32e333d7bfa648adc81e4e79de345b29.exe
1780	60d660592a2c11e3f565043d441942eb32e333d7bfa648adc81e4e79de345b29.exe
2824	Soundcrd.exe
2824	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-1-5-21-3551809350-4263495960-1443967649-1000\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 2824 set thread context of 2796	2824	Soundcrd.exe	35
PID 2824 set thread context of 2600	2824	Soundcrd.exe	36

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2796-51-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2796-65-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2796-53-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2796-63-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2796-61-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2600-59-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2600-58-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2600-56-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2796-55-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2600-68-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral1/memory/2796-69-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2796-70-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2796-71-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2796-73-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2796-78-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral1/memory/2796-82-0x0000000000400000-0x00000000004B5000-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	60d660592a2c11e3f565043d441942eb32e333d7bfa648adc81e4e79de345b29.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

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	2600	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
1780	60d660592a2c11e3f565043d441942eb32e333d7bfa648adc81e4e79de345b29.exe
2824	Soundcrd.exe
2600	Soundcrd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 2784	1780	60d660592a2c11e3f565043d441942eb32e333d7bfa648adc81e4e79de345b29.exe	31
PID 1780 wrote to memory of 2784	1780	60d660592a2c11e3f565043d441942eb32e333d7bfa648adc81e4e79de345b29.exe	31
PID 1780 wrote to memory of 2784	1780	60d660592a2c11e3f565043d441942eb32e333d7bfa648adc81e4e79de345b29.exe	31
PID 1780 wrote to memory of 2784	1780	60d660592a2c11e3f565043d441942eb32e333d7bfa648adc81e4e79de345b29.exe	31
PID 2784 wrote to memory of 2576	2784	cmd.exe	33
PID 2784 wrote to memory of 2576	2784	cmd.exe	33
PID 2784 wrote to memory of 2576	2784	cmd.exe	33
PID 2784 wrote to memory of 2576	2784	cmd.exe	33
PID 1780 wrote to memory of 2824	1780	60d660592a2c11e3f565043d441942eb32e333d7bfa648adc81e4e79de345b29.exe	34
PID 1780 wrote to memory of 2824	1780	60d660592a2c11e3f565043d441942eb32e333d7bfa648adc81e4e79de345b29.exe	34
PID 1780 wrote to memory of 2824	1780	60d660592a2c11e3f565043d441942eb32e333d7bfa648adc81e4e79de345b29.exe	34
PID 1780 wrote to memory of 2824	1780	60d660592a2c11e3f565043d441942eb32e333d7bfa648adc81e4e79de345b29.exe	34
PID 2824 wrote to memory of 2796	2824	Soundcrd.exe	35
PID 2824 wrote to memory of 2796	2824	Soundcrd.exe	35
PID 2824 wrote to memory of 2796	2824	Soundcrd.exe	35
PID 2824 wrote to memory of 2796	2824	Soundcrd.exe	35
PID 2824 wrote to memory of 2796	2824	Soundcrd.exe	35
PID 2824 wrote to memory of 2796	2824	Soundcrd.exe	35
PID 2824 wrote to memory of 2796	2824	Soundcrd.exe	35
PID 2824 wrote to memory of 2796	2824	Soundcrd.exe	35
PID 2824 wrote to memory of 2796	2824	Soundcrd.exe	35
PID 2824 wrote to memory of 2600	2824	Soundcrd.exe	36
PID 2824 wrote to memory of 2600	2824	Soundcrd.exe	36
PID 2824 wrote to memory of 2600	2824	Soundcrd.exe	36
PID 2824 wrote to memory of 2600	2824	Soundcrd.exe	36
PID 2824 wrote to memory of 2600	2824	Soundcrd.exe	36
PID 2824 wrote to memory of 2600	2824	Soundcrd.exe	36
PID 2824 wrote to memory of 2600	2824	Soundcrd.exe	36
PID 2824 wrote to memory of 2600	2824	Soundcrd.exe	36
PID 2824 wrote to memory of 2600	2824	Soundcrd.exe	36

C:\Users\Admin\AppData\Local\Temp\60d660592a2c11e3f565043d441942eb32e333d7bfa648adc81e4e79de345b29.exe
"C:\Users\Admin\AppData\Local\Temp\60d660592a2c11e3f565043d441942eb32e333d7bfa648adc81e4e79de345b29.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1780
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\NrlMe.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2784
- - 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:2576
- 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:2824
- - 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:2600

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\NrlMe.bat

Filesize
139B

MD5
173bcce4810d4901872d0ef4f0bfea4e

SHA1
561b03fdfe68b6419fddf57f32e1aab9a6126a2f

SHA256
10ea37eceabbe80fe9814280b66b957636951dbeeed18a9b4d50a1d24a6f1d1d

SHA512
2401e0a5e3f7bf590a0767449da2249d09717e8c1cb71a7475e81d9615580001cfc38705cd1a5b4edc33f7df043bf195e28e4a5442a32bc879dffc6473bd545e

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

Filesize
574KB

MD5
2da8b11a79eafe93fac7a696799e59c4

SHA1
0350c19755d5536c2252ec2ac1e9d1789ac159f4

SHA256
117303337ed2a33eb4f50b6bf232dc03351442ad6fc7c598c903f0908f148cac

SHA512
582335fcb324055331ebe7a149e0a0864f4236aef5847c79cba1e9a2817fe68a1129d39de2207799e06bd712ef7093254462a696b10e08b0ac04c55ddef9ae18

Download Submit
memory/1780-0-0x0000000000400000-0x00000000007EA000-memory.dmp

Filesize
3.9MB

Download
memory/1780-45-0x0000000000400000-0x00000000007EA000-memory.dmp

Filesize
3.9MB

Download
memory/1780-43-0x0000000003B30000-0x0000000003F1A000-memory.dmp

Filesize
3.9MB

Download
memory/2600-68-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2600-56-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2600-58-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2600-59-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

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

Filesize
724KB

Download
memory/2796-55-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2796-82-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2796-78-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

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

Filesize
724KB

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

Filesize
724KB

Download
memory/2796-51-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2796-63-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2796-73-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2796-69-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

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

Filesize
724KB

Download
memory/2796-71-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2824-72-0x0000000002C70000-0x000000000305A000-memory.dmp

Filesize
3.9MB

Download
memory/2824-46-0x0000000000400000-0x00000000007EA000-memory.dmp

Filesize
3.9MB

Download
memory/2824-64-0x0000000002C70000-0x000000000305A000-memory.dmp

Filesize
3.9MB

Download
memory/2824-62-0x0000000000400000-0x00000000007EA000-memory.dmp

Filesize
3.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads