darkcomet | 03118049958123e881a7e4731221e0690bdd49e1a624f4a989683c7ab363be80

General

Target

e61c5bc99fd2b158ac4ea799ea64568a_JaffaCakes118.exe
Size

1.1MB
MD5

e61c5bc99fd2b158ac4ea799ea64568a
SHA1

a5a97266dd2b5f1d2f3328c04efbc1b4e6fec0f1
SHA256

03118049958123e881a7e4731221e0690bdd49e1a624f4a989683c7ab363be80
SHA512

73f021eebcd0a1195b06bf360fdb6b62815cecabc750a80dc5b3c0a3133bd944e8dfab9a45eec89633ba25fa6415e00b61db2012eaf1a0e3549a534e54e238cb
SSDEEP

24576:kYi0aeKVUQBoGotjrJX9cpTDCdr/lR2C29slZFwvt2ST3VnNnvIWUE:kYiLeK7VotjrJX9c1Ct/P2CksDFwvt2o

Score

10^/10

darkcomet absolute3 discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Absolute3

C2

emile2012.no-ip.info:1337

Mutex

DCMIN_MUTEX-ZZUD73J

Attributes

gencode
tz3FGhkXWDV3
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

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft driver agent.vbs	e61c5bc99fd2b158ac4ea799ea64568a_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
3572	patcher.exe
4196	patcher.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3572 set thread context of 4196	3572	patcher.exe	83

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/344-0-0x0000000000400000-0x00000000007AE000-memory.dmp	upx
behavioral2/memory/344-2-0x0000000000400000-0x00000000007AE000-memory.dmp	upx
behavioral2/files/0x0008000000023c5c-8.dat	upx
behavioral2/memory/344-11-0x0000000000400000-0x00000000007AE000-memory.dmp	upx
behavioral2/memory/3572-12-0x0000000000400000-0x00000000007AE000-memory.dmp	upx
behavioral2/memory/3572-13-0x0000000000400000-0x00000000007AE000-memory.dmp	upx
behavioral2/memory/3572-17-0x0000000000400000-0x00000000007AE000-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	patcher.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e61c5bc99fd2b158ac4ea799ea64568a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	patcher.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4196	patcher.exe
Token: SeSecurityPrivilege	4196	patcher.exe
Token: SeTakeOwnershipPrivilege	4196	patcher.exe
Token: SeLoadDriverPrivilege	4196	patcher.exe
Token: SeSystemProfilePrivilege	4196	patcher.exe
Token: SeSystemtimePrivilege	4196	patcher.exe
Token: SeProfSingleProcessPrivilege	4196	patcher.exe
Token: SeIncBasePriorityPrivilege	4196	patcher.exe
Token: SeCreatePagefilePrivilege	4196	patcher.exe
Token: SeBackupPrivilege	4196	patcher.exe
Token: SeRestorePrivilege	4196	patcher.exe
Token: SeShutdownPrivilege	4196	patcher.exe
Token: SeDebugPrivilege	4196	patcher.exe
Token: SeSystemEnvironmentPrivilege	4196	patcher.exe
Token: SeChangeNotifyPrivilege	4196	patcher.exe
Token: SeRemoteShutdownPrivilege	4196	patcher.exe
Token: SeUndockPrivilege	4196	patcher.exe
Token: SeManageVolumePrivilege	4196	patcher.exe
Token: SeImpersonatePrivilege	4196	patcher.exe
Token: SeCreateGlobalPrivilege	4196	patcher.exe
Token: 33	4196	patcher.exe
Token: 34	4196	patcher.exe
Token: 35	4196	patcher.exe
Token: 36	4196	patcher.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4196	patcher.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 344 wrote to memory of 3572	344	e61c5bc99fd2b158ac4ea799ea64568a_JaffaCakes118.exe	82
PID 344 wrote to memory of 3572	344	e61c5bc99fd2b158ac4ea799ea64568a_JaffaCakes118.exe	82
PID 344 wrote to memory of 3572	344	e61c5bc99fd2b158ac4ea799ea64568a_JaffaCakes118.exe	82
PID 3572 wrote to memory of 4196	3572	patcher.exe	83
PID 3572 wrote to memory of 4196	3572	patcher.exe	83
PID 3572 wrote to memory of 4196	3572	patcher.exe	83
PID 3572 wrote to memory of 4196	3572	patcher.exe	83
PID 3572 wrote to memory of 4196	3572	patcher.exe	83
PID 3572 wrote to memory of 4196	3572	patcher.exe	83
PID 3572 wrote to memory of 4196	3572	patcher.exe	83
PID 3572 wrote to memory of 4196	3572	patcher.exe	83
PID 3572 wrote to memory of 4196	3572	patcher.exe	83
PID 3572 wrote to memory of 4196	3572	patcher.exe	83
PID 3572 wrote to memory of 4196	3572	patcher.exe	83
PID 3572 wrote to memory of 4196	3572	patcher.exe	83
PID 3572 wrote to memory of 4196	3572	patcher.exe	83
PID 3572 wrote to memory of 4196	3572	patcher.exe	83

C:\Users\Admin\AppData\Local\Temp\e61c5bc99fd2b158ac4ea799ea64568a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e61c5bc99fd2b158ac4ea799ea64568a_JaffaCakes118.exe"
1⤵
- Drops startup file
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:344
- C:\Users\Admin\AppData\Roaming\Skype\patcher.exe
  "C:\Users\Admin\AppData\Roaming\Skype\patcher.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3572
- - C:\Users\Admin\AppData\Roaming\Skype\patcher.exe
    "C:\Users\Admin\AppData\Roaming\Skype\patcher.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:4196

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

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Downloads

C:\Users\Admin\AppData\Roaming\Skype\patcher.exe

Filesize
1.1MB

MD5
e61c5bc99fd2b158ac4ea799ea64568a

SHA1
a5a97266dd2b5f1d2f3328c04efbc1b4e6fec0f1

SHA256
03118049958123e881a7e4731221e0690bdd49e1a624f4a989683c7ab363be80

SHA512
73f021eebcd0a1195b06bf360fdb6b62815cecabc750a80dc5b3c0a3133bd944e8dfab9a45eec89633ba25fa6415e00b61db2012eaf1a0e3549a534e54e238cb

Download Submit
memory/344-0-0x0000000000400000-0x00000000007AE000-memory.dmp

Filesize
3.7MB

Download
memory/344-1-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download
memory/344-3-0x0000000000498000-0x000000000049F000-memory.dmp

Filesize
28KB

Download
memory/344-2-0x0000000000400000-0x00000000007AE000-memory.dmp

Filesize
3.7MB

Download
memory/344-11-0x0000000000400000-0x00000000007AE000-memory.dmp

Filesize
3.7MB

Download
memory/3572-12-0x0000000000400000-0x00000000007AE000-memory.dmp

Filesize
3.7MB

Download
memory/3572-13-0x0000000000400000-0x00000000007AE000-memory.dmp

Filesize
3.7MB

Download
memory/3572-17-0x0000000000400000-0x00000000007AE000-memory.dmp

Filesize
3.7MB

Download
memory/4196-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-30-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-31-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-32-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-33-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-34-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-35-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-36-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-37-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-38-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4196-39-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

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