darkcomet | 794cfca3490a6e2723d0b01585e6cbf781ea1127dc21b00c9d2e2f49b2d7b697

General

Target

JaffaCakes118_055b24b64906702262f4cbeebf4943dd.exe
Size

432KB
MD5

055b24b64906702262f4cbeebf4943dd
SHA1

d90f79213f884ae09599eb0ef5e2c14c2c79b4b9
SHA256

794cfca3490a6e2723d0b01585e6cbf781ea1127dc21b00c9d2e2f49b2d7b697
SHA512

75b9516c01fd73e4a0a120e427ed34a900588b2cb0836cf97d6087d779053cb076da0ab23ec05323f38231fed7fe9decb1c3786bf2384b88d9c5bdc0e5ca2b3f
SSDEEP

12288:URFj6nWjyFZTeKwJLfN02V4SiaDwREeDdTQNa8bu:/n+qZSKw7D0TE1bu

Score

10^/10

darkcomet guest16 aspackv2 discovery rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

chitan.myftp.org:1111

Mutex

DC_MUTEX-K56QS73

Attributes

gencode
7oY9g+pgDXLD
install
false
offline_keylogger
false
password
hakima
persistence
false

rc4.plain

Signatures

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

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x0009000000023cf3-15.dat	aspack_v212_v242

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-1-5-21-1874072718-2205492803-118941907-1000\Control Panel\International\Geo\Nation	JaffaCakes118_055b24b64906702262f4cbeebf4943dd.exe

Executes dropped EXE 1 IoCs

pid	Process
2416	SERVER NET.exe

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	JaffaCakes118_055b24b64906702262f4cbeebf4943dd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SERVER NET.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2416	SERVER NET.exe
Token: SeSecurityPrivilege	2416	SERVER NET.exe
Token: SeTakeOwnershipPrivilege	2416	SERVER NET.exe
Token: SeLoadDriverPrivilege	2416	SERVER NET.exe
Token: SeSystemProfilePrivilege	2416	SERVER NET.exe
Token: SeSystemtimePrivilege	2416	SERVER NET.exe
Token: SeProfSingleProcessPrivilege	2416	SERVER NET.exe
Token: SeIncBasePriorityPrivilege	2416	SERVER NET.exe
Token: SeCreatePagefilePrivilege	2416	SERVER NET.exe
Token: SeBackupPrivilege	2416	SERVER NET.exe
Token: SeRestorePrivilege	2416	SERVER NET.exe
Token: SeShutdownPrivilege	2416	SERVER NET.exe
Token: SeDebugPrivilege	2416	SERVER NET.exe
Token: SeSystemEnvironmentPrivilege	2416	SERVER NET.exe
Token: SeChangeNotifyPrivilege	2416	SERVER NET.exe
Token: SeRemoteShutdownPrivilege	2416	SERVER NET.exe
Token: SeUndockPrivilege	2416	SERVER NET.exe
Token: SeManageVolumePrivilege	2416	SERVER NET.exe
Token: SeImpersonatePrivilege	2416	SERVER NET.exe
Token: SeCreateGlobalPrivilege	2416	SERVER NET.exe
Token: 33	2416	SERVER NET.exe
Token: 34	2416	SERVER NET.exe
Token: 35	2416	SERVER NET.exe
Token: 36	2416	SERVER NET.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5028 wrote to memory of 2416	5028	JaffaCakes118_055b24b64906702262f4cbeebf4943dd.exe	87
PID 5028 wrote to memory of 2416	5028	JaffaCakes118_055b24b64906702262f4cbeebf4943dd.exe	87
PID 5028 wrote to memory of 2416	5028	JaffaCakes118_055b24b64906702262f4cbeebf4943dd.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_055b24b64906702262f4cbeebf4943dd.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_055b24b64906702262f4cbeebf4943dd.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5028
- C:\Users\Admin\AppData\Local\Temp\SERVER NET.exe
  "C:\Users\Admin\AppData\Local\Temp\SERVER NET.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2416

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\SERVER NET.exe

Filesize
242KB

MD5
8e45147b1da430e0e201932c22b08e90

SHA1
785999880436fff844e2dddef9c8cad75e1f3c59

SHA256
95fb1867eb75c36757844879e23e677a8a204647bca3820b7706c7cd5bdcc8b9

SHA512
4624ecb95e1bf5bb64952ff971edf10ee58a6fa7252bd8a64c3d30b41aa979c0f69a0e4d1ffce890fac7e5132ca545b2747b01f8d7f910c4bcc4c2b387901f23

Download Submit
memory/2416-33-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2416-38-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2416-31-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2416-40-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2416-36-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2416-35-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2416-34-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2416-26-0x0000000076420000-0x0000000076510000-memory.dmp

Filesize
960KB

Download
memory/2416-25-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2416-39-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2416-37-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2416-30-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2416-20-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2416-29-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2416-28-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2416-27-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/2416-24-0x0000000076420000-0x0000000076510000-memory.dmp

Filesize
960KB

Download
memory/2416-32-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/5028-4-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/5028-23-0x0000000076420000-0x0000000076510000-memory.dmp

Filesize
960KB

Download
memory/5028-22-0x0000000000610000-0x000000000064D000-memory.dmp

Filesize
244KB

Download
memory/5028-21-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/5028-19-0x0000000000610000-0x000000000064D000-memory.dmp

Filesize
244KB

Download
memory/5028-9-0x0000000076420000-0x0000000076510000-memory.dmp

Filesize
960KB

Download
memory/5028-10-0x0000000076420000-0x0000000076510000-memory.dmp

Filesize
960KB

Download
memory/5028-0-0x00000000005F0000-0x00000000005F1000-memory.dmp

Filesize
4KB

Download
memory/5028-6-0x0000000002300000-0x0000000002310000-memory.dmp

Filesize
64KB

Download
memory/5028-7-0x0000000076440000-0x0000000076441000-memory.dmp

Filesize
4KB

Download
memory/5028-8-0x0000000076420000-0x0000000076510000-memory.dmp

Filesize
960KB

Download
memory/5028-5-0x00000000022E0000-0x00000000022F0000-memory.dmp

Filesize
64KB

Download
memory/5028-2-0x00000000022A0000-0x00000000022B0000-memory.dmp

Filesize
64KB

Download
memory/5028-3-0x00000000775B2000-0x00000000775B3000-memory.dmp

Filesize
4KB

Download
memory/5028-1-0x0000000000610000-0x000000000064D000-memory.dmp

Filesize
244KB

Download

Analysis

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