darkcomet | b424e3d922c7553b3891fa320bdf747d5a848062155921dd84c75666ec44190b

General

Target

340A76BBE6FF68F16A5764D5D0C16E3D69963586B7615EBA1B0B7EB2927C71B8.exe
Size

408KB
MD5

ad4998599d4813eab96545d795bcbd67
SHA1

7e9918c15c69e44872b15162e88bd43ffd093e39
SHA256

340a76bbe6ff68f16a5764d5d0c16e3d69963586b7615eba1b0b7eb2927c71b8
SHA512

7b39377cbd58c4686e376ab16ae4024b692151713ce9438e313578c51b768b0ad14fe4307e962b2208a9ee3ddf8499cf0a64afa267be6169bdb9ca53dec48ddc
SSDEEP

6144:dIojNbr2bmNsuZZDjTmAvDZVI+R0a1j30VmMTyA9w+XTDqHpRx5pH8ztpRBW:dF2bm6ubjKALZ7mUoYYwdH+ztp

Score

10^/10

darkcomet adob discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

adob

C2

clientts.ddns.net:11423

Mutex

DCMIN_MUTEX-4J4LMH5

Attributes

gencode
F3mMt9kNpP7F
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

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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	340A76BBE6FF68F16A5764D5D0C16E3D69963586B7615EBA1B0B7EB2927C71B8.exe

Executes dropped EXE 2 IoCs

pid	Process
8	svhost.exe
3628	svhost.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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Eninan = "C:\\ProgramData\\Microsoft\\Eninan.url"	svhost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 8 set thread context of 3628	8	svhost.exe	101

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3628-31-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3628-33-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3628-34-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3628-35-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3628-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3628-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3628-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/3628-40-0x0000000000400000-0x00000000004B7000-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	340A76BBE6FF68F16A5764D5D0C16E3D69963586B7615EBA1B0B7EB2927C71B8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svhost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
8	svhost.exe
8	svhost.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	8	svhost.exe
Token: SeIncreaseQuotaPrivilege	3628	svhost.exe
Token: SeSecurityPrivilege	3628	svhost.exe
Token: SeTakeOwnershipPrivilege	3628	svhost.exe
Token: SeLoadDriverPrivilege	3628	svhost.exe
Token: SeSystemProfilePrivilege	3628	svhost.exe
Token: SeSystemtimePrivilege	3628	svhost.exe
Token: SeProfSingleProcessPrivilege	3628	svhost.exe
Token: SeIncBasePriorityPrivilege	3628	svhost.exe
Token: SeCreatePagefilePrivilege	3628	svhost.exe
Token: SeBackupPrivilege	3628	svhost.exe
Token: SeRestorePrivilege	3628	svhost.exe
Token: SeShutdownPrivilege	3628	svhost.exe
Token: SeDebugPrivilege	3628	svhost.exe
Token: SeSystemEnvironmentPrivilege	3628	svhost.exe
Token: SeChangeNotifyPrivilege	3628	svhost.exe
Token: SeRemoteShutdownPrivilege	3628	svhost.exe
Token: SeUndockPrivilege	3628	svhost.exe
Token: SeManageVolumePrivilege	3628	svhost.exe
Token: SeImpersonatePrivilege	3628	svhost.exe
Token: SeCreateGlobalPrivilege	3628	svhost.exe
Token: 33	3628	svhost.exe
Token: 34	3628	svhost.exe
Token: 35	3628	svhost.exe
Token: 36	3628	svhost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3628	svhost.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3644 wrote to memory of 8	3644	340A76BBE6FF68F16A5764D5D0C16E3D69963586B7615EBA1B0B7EB2927C71B8.exe	97
PID 3644 wrote to memory of 8	3644	340A76BBE6FF68F16A5764D5D0C16E3D69963586B7615EBA1B0B7EB2927C71B8.exe	97
PID 3644 wrote to memory of 8	3644	340A76BBE6FF68F16A5764D5D0C16E3D69963586B7615EBA1B0B7EB2927C71B8.exe	97
PID 8 wrote to memory of 3628	8	svhost.exe	101
PID 8 wrote to memory of 3628	8	svhost.exe	101
PID 8 wrote to memory of 3628	8	svhost.exe	101
PID 8 wrote to memory of 3628	8	svhost.exe	101
PID 8 wrote to memory of 3628	8	svhost.exe	101
PID 8 wrote to memory of 3628	8	svhost.exe	101
PID 8 wrote to memory of 3628	8	svhost.exe	101

C:\Users\Admin\AppData\Local\Temp\340A76BBE6FF68F16A5764D5D0C16E3D69963586B7615EBA1B0B7EB2927C71B8.exe
"C:\Users\Admin\AppData\Local\Temp\340A76BBE6FF68F16A5764D5D0C16E3D69963586B7615EBA1B0B7EB2927C71B8.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3644
- C:\ProgramData\Microsoft\svhost.exe
  "C:\ProgramData\Microsoft\svhost.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:8
- - C:\ProgramData\Microsoft\svhost.exe
    "C:\ProgramData\Microsoft\svhost.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:3628

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Microsoft\svhost.exe

Filesize
408KB

MD5
ad4998599d4813eab96545d795bcbd67

SHA1
7e9918c15c69e44872b15162e88bd43ffd093e39

SHA256
340a76bbe6ff68f16a5764d5d0c16e3d69963586b7615eba1b0b7eb2927c71b8

SHA512
7b39377cbd58c4686e376ab16ae4024b692151713ce9438e313578c51b768b0ad14fe4307e962b2208a9ee3ddf8499cf0a64afa267be6169bdb9ca53dec48ddc

Download Submit
memory/8-29-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/8-28-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/8-27-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/8-26-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/3628-35-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3628-31-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3628-41-0x0000000001620000-0x0000000001621000-memory.dmp

Filesize
4KB

Download
memory/3628-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3628-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3628-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3628-37-0x0000000001620000-0x0000000001621000-memory.dmp

Filesize
4KB

Download
memory/3628-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3628-34-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3628-33-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3644-2-0x00000000070F0000-0x000000000715E000-memory.dmp

Filesize
440KB

Download
memory/3644-6-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/3644-1-0x0000000000270000-0x00000000002DA000-memory.dmp

Filesize
424KB

Download
memory/3644-3-0x0000000007710000-0x0000000007CB4000-memory.dmp

Filesize
5.6MB

Download
memory/3644-4-0x0000000007210000-0x00000000072A2000-memory.dmp

Filesize
584KB

Download
memory/3644-25-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/3644-0-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

Filesize
4KB

Download
memory/3644-5-0x0000000004700000-0x0000000004706000-memory.dmp

Filesize
24KB

Download
memory/3644-11-0x00000000089D0000-0x00000000089DC000-memory.dmp

Filesize
48KB

Download
memory/3644-10-0x0000000074DB0000-0x0000000075560000-memory.dmp

Filesize
7.7MB

Download
memory/3644-9-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

Filesize
4KB

Download
memory/3644-8-0x0000000008A10000-0x0000000008A1A000-memory.dmp

Filesize
40KB

Download
memory/3644-7-0x00000000074C0000-0x00000000074CA000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads