darkcomet | 3a845927764d4cb6aa3abb1631cd68e3fee94680bed9eac98815aa4c0374ebd5

General

Target

86BE02A8682E584E135380D6E0FC60CF6AE80417CC195BB2C02C1AF1B51FE438.exe
Size

292KB
MD5

08a59e2c9ffb12836ab61cd45d1470fa
SHA1

4c5a205e220f3d75c45186c365f6c5d02a19c218
SHA256

86be02a8682e584e135380d6e0fc60cf6ae80417cc195bb2c02c1af1b51fe438
SHA512

bea8ddb4699b3397d4ca2487b64ec5e6ba5d9b26958d3c77c78b03bb23b9ba03ed025accc8e69d54c7f31196d6c8de9dd813e1a488927336fb75cd9e1a1c8990
SSDEEP

6144:KtOdwLgxbcvr0x0ssTh0ZfjL4UVLpKb0p0KKAo+6k8sEXO3nRqflm:kOdwLgFFLW0ZL7jKYaKKAoBkx4O3RqN

Score

10^/10

darkcomet jhgjlg discovery execution persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

jhgjlg

C2

bonda7678.ddns.net:7678

Mutex

DCMIN_MUTEX-P1E7YQD

Attributes

gencode
xh9S271HqNkk
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

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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\chome_exe = "C:\\Users\\Admin\\AppData\\Roaming\\HWMonitor\\sjruau mmlkqac.exe"	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2264	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2072 set thread context of 2996	2072	86BE02A8682E584E135380D6E0FC60CF6AE80417CC195BB2C02C1AF1B51FE438.exe	33

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2996-17-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2996-15-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2996-22-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2996-21-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2996-14-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2996-24-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2996-23-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2996-10-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2996-13-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2996-9-0x0000000000400000-0x00000000004B7000-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 3 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	86BE02A8682E584E135380D6E0FC60CF6AE80417CC195BB2C02C1AF1B51FE438.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2264	powershell.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2996	RegAsm.exe
Token: SeSecurityPrivilege	2996	RegAsm.exe
Token: SeTakeOwnershipPrivilege	2996	RegAsm.exe
Token: SeLoadDriverPrivilege	2996	RegAsm.exe
Token: SeSystemProfilePrivilege	2996	RegAsm.exe
Token: SeSystemtimePrivilege	2996	RegAsm.exe
Token: SeProfSingleProcessPrivilege	2996	RegAsm.exe
Token: SeIncBasePriorityPrivilege	2996	RegAsm.exe
Token: SeCreatePagefilePrivilege	2996	RegAsm.exe
Token: SeBackupPrivilege	2996	RegAsm.exe
Token: SeRestorePrivilege	2996	RegAsm.exe
Token: SeShutdownPrivilege	2996	RegAsm.exe
Token: SeDebugPrivilege	2996	RegAsm.exe
Token: SeSystemEnvironmentPrivilege	2996	RegAsm.exe
Token: SeChangeNotifyPrivilege	2996	RegAsm.exe
Token: SeRemoteShutdownPrivilege	2996	RegAsm.exe
Token: SeUndockPrivilege	2996	RegAsm.exe
Token: SeManageVolumePrivilege	2996	RegAsm.exe
Token: SeImpersonatePrivilege	2996	RegAsm.exe
Token: SeCreateGlobalPrivilege	2996	RegAsm.exe
Token: 33	2996	RegAsm.exe
Token: 34	2996	RegAsm.exe
Token: 35	2996	RegAsm.exe
Token: SeDebugPrivilege	2264	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2996	RegAsm.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2264	2072	86BE02A8682E584E135380D6E0FC60CF6AE80417CC195BB2C02C1AF1B51FE438.exe	31
PID 2072 wrote to memory of 2264	2072	86BE02A8682E584E135380D6E0FC60CF6AE80417CC195BB2C02C1AF1B51FE438.exe	31
PID 2072 wrote to memory of 2264	2072	86BE02A8682E584E135380D6E0FC60CF6AE80417CC195BB2C02C1AF1B51FE438.exe	31
PID 2072 wrote to memory of 2264	2072	86BE02A8682E584E135380D6E0FC60CF6AE80417CC195BB2C02C1AF1B51FE438.exe	31
PID 2072 wrote to memory of 2996	2072	86BE02A8682E584E135380D6E0FC60CF6AE80417CC195BB2C02C1AF1B51FE438.exe	33
PID 2072 wrote to memory of 2996	2072	86BE02A8682E584E135380D6E0FC60CF6AE80417CC195BB2C02C1AF1B51FE438.exe	33
PID 2072 wrote to memory of 2996	2072	86BE02A8682E584E135380D6E0FC60CF6AE80417CC195BB2C02C1AF1B51FE438.exe	33
PID 2072 wrote to memory of 2996	2072	86BE02A8682E584E135380D6E0FC60CF6AE80417CC195BB2C02C1AF1B51FE438.exe	33
PID 2072 wrote to memory of 2996	2072	86BE02A8682E584E135380D6E0FC60CF6AE80417CC195BB2C02C1AF1B51FE438.exe	33
PID 2072 wrote to memory of 2996	2072	86BE02A8682E584E135380D6E0FC60CF6AE80417CC195BB2C02C1AF1B51FE438.exe	33
PID 2072 wrote to memory of 2996	2072	86BE02A8682E584E135380D6E0FC60CF6AE80417CC195BB2C02C1AF1B51FE438.exe	33
PID 2072 wrote to memory of 2996	2072	86BE02A8682E584E135380D6E0FC60CF6AE80417CC195BB2C02C1AF1B51FE438.exe	33
PID 2072 wrote to memory of 2996	2072	86BE02A8682E584E135380D6E0FC60CF6AE80417CC195BB2C02C1AF1B51FE438.exe	33
PID 2072 wrote to memory of 2996	2072	86BE02A8682E584E135380D6E0FC60CF6AE80417CC195BB2C02C1AF1B51FE438.exe	33
PID 2072 wrote to memory of 2996	2072	86BE02A8682E584E135380D6E0FC60CF6AE80417CC195BB2C02C1AF1B51FE438.exe	33

C:\Users\Admin\AppData\Local\Temp\86BE02A8682E584E135380D6E0FC60CF6AE80417CC195BB2C02C1AF1B51FE438.exe
"C:\Users\Admin\AppData\Local\Temp\86BE02A8682E584E135380D6E0FC60CF6AE80417CC195BB2C02C1AF1B51FE438.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Remove-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'chome_exe';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'chome_exe' -Value 'C:\Users\Admin\AppData\Roaming\HWMonitor\sjruau mmlkqac.exe' -PropertyType 'String'
  2⤵
  - Adds Run key to start application
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2264
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2072-0-0x000000007443E000-0x000000007443F000-memory.dmp

Filesize
4KB

Download
memory/2072-1-0x0000000000020000-0x000000000006E000-memory.dmp

Filesize
312KB

Download
memory/2072-2-0x0000000000730000-0x0000000000780000-memory.dmp

Filesize
320KB

Download
memory/2072-3-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2072-4-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/2072-5-0x00000000005A0000-0x00000000005E4000-memory.dmp

Filesize
272KB

Download
memory/2072-18-0x0000000074430000-0x0000000074B1E000-memory.dmp

Filesize
6.9MB

Download
memory/2996-17-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2996-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2996-7-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2996-15-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2996-22-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2996-21-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2996-14-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2996-24-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2996-23-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2996-10-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2996-13-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2996-9-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads