darkcomet | 30c6dca8d7298ad8b76d2b4fb29ba10778537df7552e5aeafaad63ffa7287807

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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 2424 set thread context of 1980	2424	Crypted.exe	30

UPX packed file 13 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1980-7-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1980-11-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1980-13-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1980-12-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1980-6-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1980-14-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1980-15-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1980-16-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1980-18-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1980-19-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1980-20-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1980-24-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/1980-27-0x0000000000400000-0x00000000004B7000-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 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1980	Crypted.exe
Token: SeSecurityPrivilege	1980	Crypted.exe
Token: SeTakeOwnershipPrivilege	1980	Crypted.exe
Token: SeLoadDriverPrivilege	1980	Crypted.exe
Token: SeSystemProfilePrivilege	1980	Crypted.exe
Token: SeSystemtimePrivilege	1980	Crypted.exe
Token: SeProfSingleProcessPrivilege	1980	Crypted.exe
Token: SeIncBasePriorityPrivilege	1980	Crypted.exe
Token: SeCreatePagefilePrivilege	1980	Crypted.exe
Token: SeBackupPrivilege	1980	Crypted.exe
Token: SeRestorePrivilege	1980	Crypted.exe
Token: SeShutdownPrivilege	1980	Crypted.exe
Token: SeDebugPrivilege	1980	Crypted.exe
Token: SeSystemEnvironmentPrivilege	1980	Crypted.exe
Token: SeChangeNotifyPrivilege	1980	Crypted.exe
Token: SeRemoteShutdownPrivilege	1980	Crypted.exe
Token: SeUndockPrivilege	1980	Crypted.exe
Token: SeManageVolumePrivilege	1980	Crypted.exe
Token: SeImpersonatePrivilege	1980	Crypted.exe
Token: SeCreateGlobalPrivilege	1980	Crypted.exe
Token: 33	1980	Crypted.exe
Token: 34	1980	Crypted.exe
Token: 35	1980	Crypted.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2424	Crypted.exe
1980	Crypted.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 1980	2424	Crypted.exe	30
PID 2424 wrote to memory of 1980	2424	Crypted.exe	30
PID 2424 wrote to memory of 1980	2424	Crypted.exe	30
PID 2424 wrote to memory of 1980	2424	Crypted.exe	30
PID 2424 wrote to memory of 1980	2424	Crypted.exe	30
PID 2424 wrote to memory of 1980	2424	Crypted.exe	30
PID 2424 wrote to memory of 1980	2424	Crypted.exe	30
PID 2424 wrote to memory of 1980	2424	Crypted.exe	30

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:2424
- 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:1980

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

Replay Monitor

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Downloads

memory/1980-4-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1980-7-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1980-11-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1980-13-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1980-12-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1980-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1980-6-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1980-14-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1980-15-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1980-16-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1980-17-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/1980-18-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1980-19-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1980-20-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1980-22-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/1980-24-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1980-27-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download