darkcomet | 3365215f2c625fd51504e0e51d3aa5c2452b72089e0981dad1025569e868a889

General

Target

3365215f2c625fd51504e0e51d3aa5c2452b72089e0981dad1025569e868a889.exe
Size

3.1MB
MD5

6b84b35b9b5f1f1b43c4499457adda4b
SHA1

cabe5899b9bc1dfcc9e122692b3ec81bd405a92a
SHA256

3365215f2c625fd51504e0e51d3aa5c2452b72089e0981dad1025569e868a889
SHA512

153393e95357b0bde6f18f5fb92df38123c127b54c4f4eea6cfc76e7e6bbcf563a5cdb9dc8e798891dbb95ed22c3c9dea726f18452c77b246ff9bfd7220e9064
SSDEEP

49152:Xr2KxuLaFzf5zmce0Z9jpVyd4fdBOdygokagOJFwtPLxx8MiGrlZ0iiQF5JxRQcs:b2AJFhmQZ9FVyd6+dytRJF2PyG3r3Q1

Score

10^/10

darkcomet vir persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

VIR

C2

msdsl.sytes.net:1605

Mutex

TEXBWH3YU5

Attributes

gencode
lHZkfrNRLD6o
install
false
offline_keylogger
true
password
darkcomet
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Executes dropped EXE 3 IoCs

Processes:

WerFault.exeSecurityKISSsetup.exeSecurityKISSsetup.tmp

pid process

2184 WerFault.exe
2392 SecurityKISSsetup.exe
4332 SecurityKISSsetup.tmp

pid	process
2184	WerFault.exe
2392	SecurityKISSsetup.exe
4332	SecurityKISSsetup.tmp

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4868-151-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4868-152-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4868-154-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4868-149-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4868-155-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4868-156-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

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

Processes:

3365215f2c625fd51504e0e51d3aa5c2452b72089e0981dad1025569e868a889.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	3365215f2c625fd51504e0e51d3aa5c2452b72089e0981dad1025569e868a889.exe

Loads dropped DLL 1 IoCs

Processes:

WerFault.exe

pid process

2184 WerFault.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

pid	process
2184	WerFault.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

WerFault.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Problem Reporting = "C:\\Users\\Admin\\AppData\\Local\\Temp\\WerFault.exe"	WerFault.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

WerFault.exe

description pid process target process

PID 2184 set thread context of 4868 2184 WerFault.exe vbc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

WerFault.exe

pid process

2184 WerFault.exe
2184 WerFault.exe

description	pid	process	target process
PID 2184 set thread context of 4868	2184	WerFault.exe	vbc.exe

pid	process
2184	WerFault.exe
2184	WerFault.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

vbc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4868	vbc.exe
Token: SeSecurityPrivilege	4868	vbc.exe
Token: SeTakeOwnershipPrivilege	4868	vbc.exe
Token: SeLoadDriverPrivilege	4868	vbc.exe
Token: SeSystemProfilePrivilege	4868	vbc.exe
Token: SeSystemtimePrivilege	4868	vbc.exe
Token: SeProfSingleProcessPrivilege	4868	vbc.exe
Token: SeIncBasePriorityPrivilege	4868	vbc.exe
Token: SeCreatePagefilePrivilege	4868	vbc.exe
Token: SeBackupPrivilege	4868	vbc.exe
Token: SeRestorePrivilege	4868	vbc.exe
Token: SeShutdownPrivilege	4868	vbc.exe
Token: SeDebugPrivilege	4868	vbc.exe
Token: SeSystemEnvironmentPrivilege	4868	vbc.exe
Token: SeChangeNotifyPrivilege	4868	vbc.exe
Token: SeRemoteShutdownPrivilege	4868	vbc.exe
Token: SeUndockPrivilege	4868	vbc.exe
Token: SeManageVolumePrivilege	4868	vbc.exe
Token: SeImpersonatePrivilege	4868	vbc.exe
Token: SeCreateGlobalPrivilege	4868	vbc.exe
Token: 33	4868	vbc.exe
Token: 34	4868	vbc.exe
Token: 35	4868	vbc.exe
Token: 36	4868	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid process

4868 vbc.exe

pid	process
4868	vbc.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

3365215f2c625fd51504e0e51d3aa5c2452b72089e0981dad1025569e868a889.exeSecurityKISSsetup.exeWerFault.exe

description	pid	process	target process
PID 3604 wrote to memory of 2184	3604	3365215f2c625fd51504e0e51d3aa5c2452b72089e0981dad1025569e868a889.exe	WerFault.exe
PID 3604 wrote to memory of 2184	3604	3365215f2c625fd51504e0e51d3aa5c2452b72089e0981dad1025569e868a889.exe	WerFault.exe
PID 3604 wrote to memory of 2184	3604	3365215f2c625fd51504e0e51d3aa5c2452b72089e0981dad1025569e868a889.exe	WerFault.exe
PID 3604 wrote to memory of 2392	3604	3365215f2c625fd51504e0e51d3aa5c2452b72089e0981dad1025569e868a889.exe	SecurityKISSsetup.exe
PID 3604 wrote to memory of 2392	3604	3365215f2c625fd51504e0e51d3aa5c2452b72089e0981dad1025569e868a889.exe	SecurityKISSsetup.exe
PID 3604 wrote to memory of 2392	3604	3365215f2c625fd51504e0e51d3aa5c2452b72089e0981dad1025569e868a889.exe	SecurityKISSsetup.exe
PID 2392 wrote to memory of 4332	2392	SecurityKISSsetup.exe	SecurityKISSsetup.tmp
PID 2392 wrote to memory of 4332	2392	SecurityKISSsetup.exe	SecurityKISSsetup.tmp
PID 2392 wrote to memory of 4332	2392	SecurityKISSsetup.exe	SecurityKISSsetup.tmp
PID 2184 wrote to memory of 4868	2184	WerFault.exe	vbc.exe
PID 2184 wrote to memory of 4868	2184	WerFault.exe	vbc.exe
PID 2184 wrote to memory of 4868	2184	WerFault.exe	vbc.exe
PID 2184 wrote to memory of 4868	2184	WerFault.exe	vbc.exe
PID 2184 wrote to memory of 4868	2184	WerFault.exe	vbc.exe
PID 2184 wrote to memory of 4868	2184	WerFault.exe	vbc.exe
PID 2184 wrote to memory of 4868	2184	WerFault.exe	vbc.exe
PID 2184 wrote to memory of 4868	2184	WerFault.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\3365215f2c625fd51504e0e51d3aa5c2452b72089e0981dad1025569e868a889.exe
"C:\Users\Admin\AppData\Local\Temp\3365215f2c625fd51504e0e51d3aa5c2452b72089e0981dad1025569e868a889.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3604

C:\Users\Admin\AppData\Roaming\WerFault.exe
"C:\Users\Admin\AppData\Roaming\WerFault.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2184

C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
3⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4868

C:\Users\Admin\AppData\Roaming\SecurityKISSsetup.exe
"C:\Users\Admin\AppData\Roaming\SecurityKISSsetup.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2392

C:\Users\Admin\AppData\Local\Temp\is-KO6FL.tmp\SecurityKISSsetup.tmp
"C:\Users\Admin\AppData\Local\Temp\is-KO6FL.tmp\SecurityKISSsetup.tmp" /SL5="$901C6,2459544,54272,C:\Users\Admin\AppData\Roaming\SecurityKISSsetup.exe"
3⤵
- Executes dropped EXE
PID:4332

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

Scripting

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\f96d9b93-f8a2-44fc-9ad3-79676c20c57d\CliSecureRT.dll

Filesize
109KB

MD5
46092bbddb5bdf775f67a341d2b03ad7

SHA1
5645a2b182986d0278c862390014e20cc501d996

SHA256
a9f6783f2864f4532db011c8fccb41fa3732148a810084c7efa8dddbd5ae6324

SHA512
5b6cdae42a17aad74500a0ec7c1c4c6d6f0a2a28a43e6620eb26bbf2fe0e0f6adf1836317a33e0e720c70909405c74b3e95df1cb7011732a97f723edb5d250d5

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-KO6FL.tmp\SecurityKISSsetup.tmp

Filesize
695KB

MD5
620f32e56b46e90e8aee43febc59f6e3

SHA1
d5edd63dd1390a1420b85f746e12a66625ae9354

SHA256
bcc9d63213012bf25a37f48015e5f755d359f3b08d05d35319b03b4a72710730

SHA512
8a9d2a2eb3891265cec379978399ad6c9b4bf3e12e0f381946b4390621b943b97fa04fbb87ad628652bd765b706eb2ff56001f24de24e9bcc487a59ca2f07d9c

Download Submit
C:\Users\Admin\AppData\Local\Temp\is-KO6FL.tmp\SecurityKISSsetup.tmp

Filesize
695KB

MD5
620f32e56b46e90e8aee43febc59f6e3

SHA1
d5edd63dd1390a1420b85f746e12a66625ae9354

SHA256
bcc9d63213012bf25a37f48015e5f755d359f3b08d05d35319b03b4a72710730

SHA512
8a9d2a2eb3891265cec379978399ad6c9b4bf3e12e0f381946b4390621b943b97fa04fbb87ad628652bd765b706eb2ff56001f24de24e9bcc487a59ca2f07d9c

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

Filesize
2.6MB

MD5
071de1dd132af35ccc4d6f307515399e

SHA1
f3969738e5e9c3d7c1bace0942eca56439e33a21

SHA256
525ff2b201e1017939d4397986d3c3157c371974632588c048d8f11e6c4c20b5

SHA512
31abe5fa2ee3379fb9df2ce3ff34793f640207b8acb0a6e2b4feeb193c7333d8771825a88fa86c7cdf476e728d3c0498d1687ed74dbf04e95600edd09491d738

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

Filesize
2.6MB

MD5
071de1dd132af35ccc4d6f307515399e

SHA1
f3969738e5e9c3d7c1bace0942eca56439e33a21

SHA256
525ff2b201e1017939d4397986d3c3157c371974632588c048d8f11e6c4c20b5

SHA512
31abe5fa2ee3379fb9df2ce3ff34793f640207b8acb0a6e2b4feeb193c7333d8771825a88fa86c7cdf476e728d3c0498d1687ed74dbf04e95600edd09491d738

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

Filesize
521KB

MD5
b8d8d7412f11e238d7777bbd5f2b550a

SHA1
051f4bb6c860bbdac9ef6323bdea1671e6100ac1

SHA256
23e5cceb37c1733c92f387bc9a4ae492fbb80d8b41a5bc1a4634b4b9586be710

SHA512
2ae83c636dd13d2eae9f8112d03847aafdcf076c07b318898c16a060cbb16b44dbdbfbbf59e616479600aeb1cc2e24e80d1cfa4ce335912806e16d1901338643

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

Filesize
521KB

MD5
b8d8d7412f11e238d7777bbd5f2b550a

SHA1
051f4bb6c860bbdac9ef6323bdea1671e6100ac1

SHA256
23e5cceb37c1733c92f387bc9a4ae492fbb80d8b41a5bc1a4634b4b9586be710

SHA512
2ae83c636dd13d2eae9f8112d03847aafdcf076c07b318898c16a060cbb16b44dbdbfbbf59e616479600aeb1cc2e24e80d1cfa4ce335912806e16d1901338643

Download Submit
memory/2184-150-0x0000000010000000-0x000000001002C000-memory.dmp

Filesize
176KB

Download
memory/2184-153-0x0000000072FC0000-0x0000000073571000-memory.dmp

Filesize
5.7MB

Download
memory/2184-132-0x0000000000000000-mapping.dmp

Download
memory/2184-144-0x0000000074EB0000-0x0000000074F0B000-memory.dmp

Filesize
364KB

Download
memory/2184-147-0x0000000010000000-0x000000001002C000-memory.dmp

Filesize
176KB

Download
memory/2184-145-0x0000000072FC0000-0x0000000073571000-memory.dmp

Filesize
5.7MB

Download
memory/2392-135-0x0000000000000000-mapping.dmp

Download
memory/2392-146-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2392-138-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4332-140-0x0000000000000000-mapping.dmp

Download
memory/4868-148-0x0000000000000000-mapping.dmp

Download
memory/4868-151-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4868-152-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4868-154-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4868-149-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4868-155-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4868-156-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads