darkcomet | 30c6dca8d7298ad8b76d2b4fb29ba10778537df7552e5aeafaad63ffa7287807

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 13:34

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General

Target

Crypted.exe
Size

332KB
MD5

39981a721a6542fb36dc05b3fc20c274
SHA1

74698ff07ef58b8ef23dda2ed91971d4ced3e1d4
SHA256

fd88ebaedaaa336bf48f9e8c21a084c5dc6870c27ff76f62d3ea5526205fa9cd
SHA512

1c3ee4a6a68b4d8d7db0a4eccaa34120d8be7b9b8df87d4af681f51805f5bbacd567b96eb1662d50ad9d454656e864b13af5aaf96151dd8743c9b05fc80a966b
SSDEEP

6144:XsD4sSMNNVAOdeW4pVFK4U5sldnKLceof2VRD/Y7vV9ulo1du9uLJyD2:8E9821/VFVqslNKL94o5Y7vVIaTW2

Score

10^/10

darkcomet sazan discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Sazan

127.0.0.1:1604

Mutex

DC_MUTEX-1ESBB3Q

Attributes

gencode
KdZ2b3vZaGVw
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4660 set thread context of 4512	4660	Crypted.exe	82

UPX packed file 14 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4512-4-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4512-5-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4512-6-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4512-7-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4512-8-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4512-9-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4512-11-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4512-10-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4512-12-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4512-13-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4512-14-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4512-15-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4512-19-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4512-21-0x0000000000400000-0x00000000004B7000-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 2 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	Crypted.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Crypted.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4512	Crypted.exe
Token: SeSecurityPrivilege	4512	Crypted.exe
Token: SeTakeOwnershipPrivilege	4512	Crypted.exe
Token: SeLoadDriverPrivilege	4512	Crypted.exe
Token: SeSystemProfilePrivilege	4512	Crypted.exe
Token: SeSystemtimePrivilege	4512	Crypted.exe
Token: SeProfSingleProcessPrivilege	4512	Crypted.exe
Token: SeIncBasePriorityPrivilege	4512	Crypted.exe
Token: SeCreatePagefilePrivilege	4512	Crypted.exe
Token: SeBackupPrivilege	4512	Crypted.exe
Token: SeRestorePrivilege	4512	Crypted.exe
Token: SeShutdownPrivilege	4512	Crypted.exe
Token: SeDebugPrivilege	4512	Crypted.exe
Token: SeSystemEnvironmentPrivilege	4512	Crypted.exe
Token: SeChangeNotifyPrivilege	4512	Crypted.exe
Token: SeRemoteShutdownPrivilege	4512	Crypted.exe
Token: SeUndockPrivilege	4512	Crypted.exe
Token: SeManageVolumePrivilege	4512	Crypted.exe
Token: SeImpersonatePrivilege	4512	Crypted.exe
Token: SeCreateGlobalPrivilege	4512	Crypted.exe
Token: 33	4512	Crypted.exe
Token: 34	4512	Crypted.exe
Token: 35	4512	Crypted.exe
Token: 36	4512	Crypted.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4660	Crypted.exe
4512	Crypted.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4660 wrote to memory of 4512	4660	Crypted.exe	82
PID 4660 wrote to memory of 4512	4660	Crypted.exe	82
PID 4660 wrote to memory of 4512	4660	Crypted.exe	82
PID 4660 wrote to memory of 4512	4660	Crypted.exe	82
PID 4660 wrote to memory of 4512	4660	Crypted.exe	82
PID 4660 wrote to memory of 4512	4660	Crypted.exe	82
PID 4660 wrote to memory of 4512	4660	Crypted.exe	82
PID 4660 wrote to memory of 4512	4660	Crypted.exe	82

C:\Users\Admin\AppData\Local\Temp\Crypted.exe
"C:\Users\Admin\AppData\Local\Temp\Crypted.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4660
- C:\Users\Admin\AppData\Local\Temp\Crypted.exe
  "C:\Users\Admin\AppData\Local\Temp\Crypted.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

memory/4512-4-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4512-5-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4512-6-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4512-7-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4512-8-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4512-9-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4512-11-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4512-10-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4512-12-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4512-13-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4512-14-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4512-15-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4512-19-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4512-21-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download