darkcomet | 3cc196ba98e8ecc881558e08e34f5e8725e58c4bdf0eb2e6ae92c57d900b5673

Analysis

max time kernel
111s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2024, 09:27 UTC

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General

Target

3cc196ba98e8ecc881558e08e34f5e8725e58c4bdf0eb2e6ae92c57d900b5673N.exe
Size

574KB
MD5

8d89b6eb98e23ff31ba5e5f72eb499c0
SHA1

17ff0a7d17834418b9302d59971a64502b82baef
SHA256

3cc196ba98e8ecc881558e08e34f5e8725e58c4bdf0eb2e6ae92c57d900b5673
SHA512

5694f08429d1ac73af13e56581c294f71e097f7858ed1c86c8912ccc7eb1dc6b099ffc31fbe23ffca32a422805af289bcebb35a6144a6fc5055d08b4c44a59ca
SSDEEP

12288:zCyEHAWAdljmJqkC3xMX85FSR2f9A08NIX+Vjwd4G/3z1ET4m3Hdsub6:zFhWAfn22m0eD1GPz8Hdxm

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

Checks computer location settings 2 TTPs 1 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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	3cc196ba98e8ecc881558e08e34f5e8725e58c4bdf0eb2e6ae92c57d900b5673N.exe

Executes dropped EXE 3 IoCs

pid	Process
1112	Soundcrd.exe
1776	Soundcrd.exe
2904	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-1-5-21-2437139445-1151884604-3026847218-1000\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 1112 set thread context of 1776	1112	Soundcrd.exe	88
PID 1112 set thread context of 2904	1112	Soundcrd.exe	89

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1776-32-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1776-36-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1776-35-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2904-42-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral2/memory/2904-40-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral2/memory/2904-37-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral2/memory/1776-45-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1776-48-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1776-50-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1776-49-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1776-47-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1776-51-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/2904-52-0x0000000000400000-0x0000000000409000-memory.dmp	upx
behavioral2/memory/1776-57-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1776-61-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1776-65-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1776-69-0x0000000000400000-0x00000000004B5000-memory.dmp	upx
behavioral2/memory/1776-73-0x0000000000400000-0x00000000004B5000-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	3cc196ba98e8ecc881558e08e34f5e8725e58c4bdf0eb2e6ae92c57d900b5673N.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
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 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	2904	Soundcrd.exe
Token: SeIncreaseQuotaPrivilege	1776	Soundcrd.exe
Token: SeSecurityPrivilege	1776	Soundcrd.exe
Token: SeTakeOwnershipPrivilege	1776	Soundcrd.exe
Token: SeLoadDriverPrivilege	1776	Soundcrd.exe
Token: SeSystemProfilePrivilege	1776	Soundcrd.exe
Token: SeSystemtimePrivilege	1776	Soundcrd.exe
Token: SeProfSingleProcessPrivilege	1776	Soundcrd.exe
Token: SeIncBasePriorityPrivilege	1776	Soundcrd.exe
Token: SeCreatePagefilePrivilege	1776	Soundcrd.exe
Token: SeBackupPrivilege	1776	Soundcrd.exe
Token: SeRestorePrivilege	1776	Soundcrd.exe
Token: SeShutdownPrivilege	1776	Soundcrd.exe
Token: SeDebugPrivilege	1776	Soundcrd.exe
Token: SeSystemEnvironmentPrivilege	1776	Soundcrd.exe
Token: SeChangeNotifyPrivilege	1776	Soundcrd.exe
Token: SeRemoteShutdownPrivilege	1776	Soundcrd.exe
Token: SeUndockPrivilege	1776	Soundcrd.exe
Token: SeManageVolumePrivilege	1776	Soundcrd.exe
Token: SeImpersonatePrivilege	1776	Soundcrd.exe
Token: SeCreateGlobalPrivilege	1776	Soundcrd.exe
Token: 33	1776	Soundcrd.exe
Token: 34	1776	Soundcrd.exe
Token: 35	1776	Soundcrd.exe
Token: 36	1776	Soundcrd.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3408	3cc196ba98e8ecc881558e08e34f5e8725e58c4bdf0eb2e6ae92c57d900b5673N.exe
1112	Soundcrd.exe
2904	Soundcrd.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 3408 wrote to memory of 1956	3408	3cc196ba98e8ecc881558e08e34f5e8725e58c4bdf0eb2e6ae92c57d900b5673N.exe	83
PID 3408 wrote to memory of 1956	3408	3cc196ba98e8ecc881558e08e34f5e8725e58c4bdf0eb2e6ae92c57d900b5673N.exe	83
PID 3408 wrote to memory of 1956	3408	3cc196ba98e8ecc881558e08e34f5e8725e58c4bdf0eb2e6ae92c57d900b5673N.exe	83
PID 1956 wrote to memory of 116	1956	cmd.exe	86
PID 1956 wrote to memory of 116	1956	cmd.exe	86
PID 1956 wrote to memory of 116	1956	cmd.exe	86
PID 3408 wrote to memory of 1112	3408	3cc196ba98e8ecc881558e08e34f5e8725e58c4bdf0eb2e6ae92c57d900b5673N.exe	87
PID 3408 wrote to memory of 1112	3408	3cc196ba98e8ecc881558e08e34f5e8725e58c4bdf0eb2e6ae92c57d900b5673N.exe	87
PID 3408 wrote to memory of 1112	3408	3cc196ba98e8ecc881558e08e34f5e8725e58c4bdf0eb2e6ae92c57d900b5673N.exe	87
PID 1112 wrote to memory of 1776	1112	Soundcrd.exe	88
PID 1112 wrote to memory of 1776	1112	Soundcrd.exe	88
PID 1112 wrote to memory of 1776	1112	Soundcrd.exe	88
PID 1112 wrote to memory of 1776	1112	Soundcrd.exe	88
PID 1112 wrote to memory of 1776	1112	Soundcrd.exe	88
PID 1112 wrote to memory of 1776	1112	Soundcrd.exe	88
PID 1112 wrote to memory of 1776	1112	Soundcrd.exe	88
PID 1112 wrote to memory of 1776	1112	Soundcrd.exe	88
PID 1112 wrote to memory of 2904	1112	Soundcrd.exe	89
PID 1112 wrote to memory of 2904	1112	Soundcrd.exe	89
PID 1112 wrote to memory of 2904	1112	Soundcrd.exe	89
PID 1112 wrote to memory of 2904	1112	Soundcrd.exe	89
PID 1112 wrote to memory of 2904	1112	Soundcrd.exe	89
PID 1112 wrote to memory of 2904	1112	Soundcrd.exe	89
PID 1112 wrote to memory of 2904	1112	Soundcrd.exe	89
PID 1112 wrote to memory of 2904	1112	Soundcrd.exe	89

C:\Users\Admin\AppData\Local\Temp\3cc196ba98e8ecc881558e08e34f5e8725e58c4bdf0eb2e6ae92c57d900b5673N.exe
"C:\Users\Admin\AppData\Local\Temp\3cc196ba98e8ecc881558e08e34f5e8725e58c4bdf0eb2e6ae92c57d900b5673N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3408
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\dBAxq.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1956
- - 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:116
- 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:1112
- - 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:1776
- - 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:2904

Network

DNS

13.86.106.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

13.86.106.20.in-addr.arpa

IN PTR

Response
DNS

83.210.23.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

83.210.23.2.in-addr.arpa

IN PTR

Response

83.210.23.2.in-addr.arpa

IN PTR

a2-23-210-83deploystaticakamaitechnologiescom
DNS

2.159.190.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

2.159.190.20.in-addr.arpa

IN PTR

Response
DNS

95.221.229.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

95.221.229.192.in-addr.arpa

IN PTR

Response
DNS

ygo.no-ip.info

Soundcrd.exe

Remote address:

8.8.8.8:53

Request

ygo.no-ip.info

IN A

Response

ygo.no-ip.info

IN A

94.73.33.36
DNS

58.55.71.13.in-addr.arpa

Remote address:

8.8.8.8:53

Request

58.55.71.13.in-addr.arpa

IN PTR

Response
DNS

56.163.245.4.in-addr.arpa

Remote address:

8.8.8.8:53

Request

56.163.245.4.in-addr.arpa

IN PTR

Response
DNS

171.39.242.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

171.39.242.20.in-addr.arpa

IN PTR

Response
DNS

171.39.242.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

171.39.242.20.in-addr.arpa

IN PTR
DNS

92.12.20.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

92.12.20.2.in-addr.arpa

IN PTR

Response

92.12.20.2.in-addr.arpa

IN PTR

a2-20-12-92deploystaticakamaitechnologiescom
DNS

92.12.20.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

92.12.20.2.in-addr.arpa

IN PTR
DNS

ygo.no-ip.info

Soundcrd.exe

Remote address:

8.8.8.8:53

Request

ygo.no-ip.info

IN A

Response

ygo.no-ip.info

IN A

94.73.33.36
DNS

11.227.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

11.227.111.52.in-addr.arpa

IN PTR

Response

94.73.33.36:1604

ygo.no-ip.info

Soundcrd.exe

260 B
5
94.73.33.36:1604

ygo.no-ip.info

Soundcrd.exe

260 B
5
94.73.33.36:1604

ygo.no-ip.info

Soundcrd.exe

260 B
5
94.73.33.36:1604

ygo.no-ip.info

Soundcrd.exe

260 B
5
94.73.33.36:1604

ygo.no-ip.info

Soundcrd.exe

260 B
5
94.73.33.36:1604

ygo.no-ip.info

Soundcrd.exe

208 B
4

8.8.8.8:53

13.86.106.20.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

13.86.106.20.in-addr.arpa
8.8.8.8:53

83.210.23.2.in-addr.arpa

dns

70 B
133 B
1
1

DNS Request

83.210.23.2.in-addr.arpa
8.8.8.8:53

2.159.190.20.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

2.159.190.20.in-addr.arpa
8.8.8.8:53

95.221.229.192.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

95.221.229.192.in-addr.arpa
8.8.8.8:53

ygo.no-ip.info

dns

Soundcrd.exe

60 B
76 B
1
1

DNS Request

ygo.no-ip.info

DNS Response

94.73.33.36
8.8.8.8:53

58.55.71.13.in-addr.arpa

dns

70 B
144 B
1
1

DNS Request

58.55.71.13.in-addr.arpa
8.8.8.8:53

56.163.245.4.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

56.163.245.4.in-addr.arpa
8.8.8.8:53

171.39.242.20.in-addr.arpa

dns

144 B
158 B
2
1

DNS Request

171.39.242.20.in-addr.arpa

DNS Request

171.39.242.20.in-addr.arpa
8.8.8.8:53

92.12.20.2.in-addr.arpa

dns

138 B
131 B
2
1

DNS Request

92.12.20.2.in-addr.arpa

DNS Request

92.12.20.2.in-addr.arpa
8.8.8.8:53

ygo.no-ip.info

dns

Soundcrd.exe

60 B
76 B
1
1

DNS Request

ygo.no-ip.info

DNS Response

94.73.33.36
8.8.8.8:53

11.227.111.52.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

11.227.111.52.in-addr.arpa

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\dBAxq.txt

Filesize
139B

MD5
173bcce4810d4901872d0ef4f0bfea4e

SHA1
561b03fdfe68b6419fddf57f32e1aab9a6126a2f

SHA256
10ea37eceabbe80fe9814280b66b957636951dbeeed18a9b4d50a1d24a6f1d1d

SHA512
2401e0a5e3f7bf590a0767449da2249d09717e8c1cb71a7475e81d9615580001cfc38705cd1a5b4edc33f7df043bf195e28e4a5442a32bc879dffc6473bd545e

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

Filesize
574KB

MD5
3f3f78be818b18db8843317868dd513b

SHA1
1932eb8f5c1a1d0c9df46cf5f1a1ba94993a0448

SHA256
9d94eec82cc8a26c6b05506cf4954c0295e11d404b0ac45146315cf74977327a

SHA512
7e3b0077334185824b5c470663628449d7b3bf61b9a24c3fa0c7c1ff54460ca38fdc70734db9dd5f97563b495215f1687c5900c418603b6c4436ec8a11d6ab86

Download Submit
memory/1112-43-0x0000000000400000-0x00000000007EA000-memory.dmp

Filesize
3.9MB

Download
memory/1776-36-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1776-51-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1776-73-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1776-35-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1776-69-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1776-65-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1776-61-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1776-57-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1776-45-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1776-48-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1776-50-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1776-49-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1776-47-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1776-32-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2904-52-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2904-37-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2904-40-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2904-42-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3408-29-0x0000000000400000-0x00000000007EA000-memory.dmp

Filesize
3.9MB

Download
memory/3408-0-0x0000000000400000-0x00000000007EA000-memory.dmp

Filesize
3.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Response

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Response

DNS Request

MITRE ATT&CK Enterprise v15

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