darkcomet | db0e76eec32745e2c378771f5a3a9c350d9ba3a5337340ae80f1fc534a715c5b

General

Target

9c6f806374d594a4a9213a8d1c9415eb_JaffaCakes118.exe
Size

475KB
MD5

9c6f806374d594a4a9213a8d1c9415eb
SHA1

16b56047dc14e07ef61b75adf2f63efade034d6b
SHA256

db0e76eec32745e2c378771f5a3a9c350d9ba3a5337340ae80f1fc534a715c5b
SHA512

d13cb71fa7bdaee133cca43eb66335a4616fec3cfc1534cdd668114d679a61b6bbeb4990bf4ceace45fa5015e0e6892160b147719c63a29675edc5b93f2aeda6
SSDEEP

12288:1QS6a/Gbu4F0I10UoyHKCl9FsR4g4PA3VvxDX5XW5C4:1bGi4P10t1Cz2q2vT4

Score

10^/10

darkcomet guest16 discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

jan.no-ip.org:1604

Mutex

DC_MUTEX-5SB8S31

Attributes

gencode
HJ8VHEicPMix
install
false
offline_keylogger
true
password
123456789
persistence
false

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
1308	vbc.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

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\Run\JavaUpdtr = "C:\\Users\\Admin\\AppData\\Roaming\\JavaUpdtr\\9c6f806374d594a4a9213a8d1c9415eb_JaffaCakes118.exe"	9c6f806374d594a4a9213a8d1c9415eb_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4244 set thread context of 1308	4244	9c6f806374d594a4a9213a8d1c9415eb_JaffaCakes118.exe	83

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1308-12-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1308-15-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1308-17-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1308-16-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1308-20-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1308-19-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1308-13-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1308-7-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1308-22-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1308-23-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1308-25-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1308-26-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1308-27-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1308-28-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1308-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1308-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1308-31-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1308-32-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1308-33-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1308-34-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1308-35-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1308-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/1308-37-0x0000000000400000-0x00000000004B7000-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	9c6f806374d594a4a9213a8d1c9415eb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1308	vbc.exe
Token: SeSecurityPrivilege	1308	vbc.exe
Token: SeTakeOwnershipPrivilege	1308	vbc.exe
Token: SeLoadDriverPrivilege	1308	vbc.exe
Token: SeSystemProfilePrivilege	1308	vbc.exe
Token: SeSystemtimePrivilege	1308	vbc.exe
Token: SeProfSingleProcessPrivilege	1308	vbc.exe
Token: SeIncBasePriorityPrivilege	1308	vbc.exe
Token: SeCreatePagefilePrivilege	1308	vbc.exe
Token: SeBackupPrivilege	1308	vbc.exe
Token: SeRestorePrivilege	1308	vbc.exe
Token: SeShutdownPrivilege	1308	vbc.exe
Token: SeDebugPrivilege	1308	vbc.exe
Token: SeSystemEnvironmentPrivilege	1308	vbc.exe
Token: SeChangeNotifyPrivilege	1308	vbc.exe
Token: SeRemoteShutdownPrivilege	1308	vbc.exe
Token: SeUndockPrivilege	1308	vbc.exe
Token: SeManageVolumePrivilege	1308	vbc.exe
Token: SeImpersonatePrivilege	1308	vbc.exe
Token: SeCreateGlobalPrivilege	1308	vbc.exe
Token: 33	1308	vbc.exe
Token: 34	1308	vbc.exe
Token: 35	1308	vbc.exe
Token: 36	1308	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1308	vbc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4244 wrote to memory of 1308	4244	9c6f806374d594a4a9213a8d1c9415eb_JaffaCakes118.exe	83
PID 4244 wrote to memory of 1308	4244	9c6f806374d594a4a9213a8d1c9415eb_JaffaCakes118.exe	83
PID 4244 wrote to memory of 1308	4244	9c6f806374d594a4a9213a8d1c9415eb_JaffaCakes118.exe	83
PID 4244 wrote to memory of 1308	4244	9c6f806374d594a4a9213a8d1c9415eb_JaffaCakes118.exe	83
PID 4244 wrote to memory of 1308	4244	9c6f806374d594a4a9213a8d1c9415eb_JaffaCakes118.exe	83
PID 4244 wrote to memory of 1308	4244	9c6f806374d594a4a9213a8d1c9415eb_JaffaCakes118.exe	83
PID 4244 wrote to memory of 1308	4244	9c6f806374d594a4a9213a8d1c9415eb_JaffaCakes118.exe	83
PID 4244 wrote to memory of 1308	4244	9c6f806374d594a4a9213a8d1c9415eb_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\9c6f806374d594a4a9213a8d1c9415eb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9c6f806374d594a4a9213a8d1c9415eb_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4244
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  C:\Users\Admin\AppData\Local\Temp\vbc.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\vbc.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/1308-22-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1308-15-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1308-24-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/1308-12-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1308-23-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1308-17-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1308-18-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/1308-16-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1308-20-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1308-19-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1308-13-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1308-25-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1308-37-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1308-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1308-35-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1308-34-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1308-7-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1308-26-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1308-27-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1308-28-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1308-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1308-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1308-31-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1308-32-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1308-33-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4244-2-0x0000000075530000-0x0000000075AE1000-memory.dmp

Filesize
5.7MB

Download
memory/4244-1-0x0000000075530000-0x0000000075AE1000-memory.dmp

Filesize
5.7MB

Download
memory/4244-0-0x0000000075532000-0x0000000075533000-memory.dmp

Filesize
4KB

Download
memory/4244-21-0x0000000075530000-0x0000000075AE1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads