darkcomet | 441e0e8d70c611cb217d66ed4371ecf431620338441547d173547f8a897260df

General

Target

e4effdae64132f9f253179edb746ad39_JaffaCakes118.exe
Size

759KB
MD5

e4effdae64132f9f253179edb746ad39
SHA1

830f1267ace003b18c3f92316d4051eab618cb65
SHA256

441e0e8d70c611cb217d66ed4371ecf431620338441547d173547f8a897260df
SHA512

522214a265a30fc8ee5632178829380f672433e481441fd617980d7ab36aa5b61f17058ed715399a182f9134e081b134d01872461e49c48664d114330adc09a4
SSDEEP

12288:L46hnWJ6jINMlXVe+LEE1oJDu0sHY1b98Wl8E4w5huat7UovONzbXwnjoEFEG:LPeMGwsJ60IY3dhHwNzbXq/j

Score

10^/10

darkcomet guest16 discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

192.168.0.100:1604

99.241.109.24:1604

joinme.no-ip.biz:1604

Mutex

DC_MUTEX-10AJJXB

Attributes

gencode
KFKw3CPq7lsj
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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	e4effdae64132f9f253179edb746ad39_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
180	MINECRAP.EXE

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000a000000023b80-8.dat	upx
behavioral2/memory/180-15-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral2/memory/180-19-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral2/memory/180-20-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral2/memory/180-23-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral2/memory/180-26-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral2/memory/180-28-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral2/memory/180-30-0x0000000000400000-0x00000000004CA000-memory.dmp	upx
behavioral2/memory/180-33-0x0000000000400000-0x00000000004CA000-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	e4effdae64132f9f253179edb746ad39_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MINECRAP.EXE

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	180	MINECRAP.EXE
Token: SeSecurityPrivilege	180	MINECRAP.EXE
Token: SeTakeOwnershipPrivilege	180	MINECRAP.EXE
Token: SeLoadDriverPrivilege	180	MINECRAP.EXE
Token: SeSystemProfilePrivilege	180	MINECRAP.EXE
Token: SeSystemtimePrivilege	180	MINECRAP.EXE
Token: SeProfSingleProcessPrivilege	180	MINECRAP.EXE
Token: SeIncBasePriorityPrivilege	180	MINECRAP.EXE
Token: SeCreatePagefilePrivilege	180	MINECRAP.EXE
Token: SeBackupPrivilege	180	MINECRAP.EXE
Token: SeRestorePrivilege	180	MINECRAP.EXE
Token: SeShutdownPrivilege	180	MINECRAP.EXE
Token: SeDebugPrivilege	180	MINECRAP.EXE
Token: SeSystemEnvironmentPrivilege	180	MINECRAP.EXE
Token: SeChangeNotifyPrivilege	180	MINECRAP.EXE
Token: SeRemoteShutdownPrivilege	180	MINECRAP.EXE
Token: SeUndockPrivilege	180	MINECRAP.EXE
Token: SeManageVolumePrivilege	180	MINECRAP.EXE
Token: SeImpersonatePrivilege	180	MINECRAP.EXE
Token: SeCreateGlobalPrivilege	180	MINECRAP.EXE
Token: 33	180	MINECRAP.EXE
Token: 34	180	MINECRAP.EXE
Token: 35	180	MINECRAP.EXE
Token: 36	180	MINECRAP.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
180	MINECRAP.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4944 wrote to memory of 180	4944	e4effdae64132f9f253179edb746ad39_JaffaCakes118.exe	83
PID 4944 wrote to memory of 180	4944	e4effdae64132f9f253179edb746ad39_JaffaCakes118.exe	83
PID 4944 wrote to memory of 180	4944	e4effdae64132f9f253179edb746ad39_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\e4effdae64132f9f253179edb746ad39_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e4effdae64132f9f253179edb746ad39_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4944
- C:\Users\Admin\AppData\Local\Temp\MINECRAP.EXE
  "C:\Users\Admin\AppData\Local\Temp\MINECRAP.EXE"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:180

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\MINECRAP.EXE

Filesize
284KB

MD5
3290a206453c72234c23673b06f71894

SHA1
3a95854dd5871d4accba73e6fb15c33473956264

SHA256
519604f1b5e17d8eb15468620e89d0765a13ff3062634340ecfde233df6c0de8

SHA512
1a6a056bb6f15c4c57c938509512bcb72c6b427de6124cd2f60c3c79f681f3c3053e095429338a5a33b781b888f463beb7a2ee4efad177595e34a6809e67d5c4

Download Submit
memory/180-15-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/180-18-0x00000000006E0000-0x00000000006E1000-memory.dmp

Filesize
4KB

Download
memory/180-19-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/180-21-0x00000000006E0000-0x00000000006E1000-memory.dmp

Filesize
4KB

Download
memory/180-20-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/180-23-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/180-26-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/180-28-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/180-30-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/180-33-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download

Analysis

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