darkcomet | 3399e547fc43c01b771ba3a6215afe1cb45dde8b0257f643b0967eb7cadb26ff

General

Target

d1e3297680abf6e211e4c9bbf3dd032b_JaffaCakes118.exe
Size

1019KB
MD5

d1e3297680abf6e211e4c9bbf3dd032b
SHA1

0df2a81ac1ac952fafbf6112e0c111f759ec8c04
SHA256

3399e547fc43c01b771ba3a6215afe1cb45dde8b0257f643b0967eb7cadb26ff
SHA512

6155d902b891e4843dc8f8a2e44da8853938936a29db225e779f45c50cd7c8b46edba70a87fdf029999dcedde81cb9d76387f1cfd329cbbb52336367a0e27ab3
SSDEEP

24576:bMmnDC+Zvvo21F5x7/duclIEQYRtEBOUtiZV5:bjDCfEZLcciEzRMOAiZV5

Score

10^/10

darkcomet discovery rat trojan upx

Malware Config

Signatures

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

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3520-0-0x0000000000400000-0x00000000004D8000-memory.dmp	upx
behavioral2/memory/3520-1-0x0000000000400000-0x00000000004D8000-memory.dmp	upx
behavioral2/memory/1544-5-0x0000000000400000-0x00000000004D8000-memory.dmp	upx
behavioral2/memory/3520-6-0x0000000000400000-0x00000000004D8000-memory.dmp	upx
behavioral2/memory/3520-7-0x0000000000400000-0x00000000004D8000-memory.dmp	upx
behavioral2/memory/3520-8-0x0000000000400000-0x00000000004D8000-memory.dmp	upx
behavioral2/memory/3520-9-0x0000000000400000-0x00000000004D8000-memory.dmp	upx
behavioral2/memory/3520-10-0x0000000000400000-0x00000000004D8000-memory.dmp	upx
behavioral2/memory/3520-11-0x0000000000400000-0x00000000004D8000-memory.dmp	upx
behavioral2/memory/3520-12-0x0000000000400000-0x00000000004D8000-memory.dmp	upx
behavioral2/memory/3520-13-0x0000000000400000-0x00000000004D8000-memory.dmp	upx
behavioral2/memory/3520-14-0x0000000000400000-0x00000000004D8000-memory.dmp	upx
behavioral2/memory/3520-15-0x0000000000400000-0x00000000004D8000-memory.dmp	upx
behavioral2/memory/3520-16-0x0000000000400000-0x00000000004D8000-memory.dmp	upx
behavioral2/memory/3520-17-0x0000000000400000-0x00000000004D8000-memory.dmp	upx
behavioral2/memory/3520-18-0x0000000000400000-0x00000000004D8000-memory.dmp	upx

AutoIT Executable 14 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3520-1-0x0000000000400000-0x00000000004D8000-memory.dmp	autoit_exe
behavioral2/memory/3520-6-0x0000000000400000-0x00000000004D8000-memory.dmp	autoit_exe
behavioral2/memory/3520-7-0x0000000000400000-0x00000000004D8000-memory.dmp	autoit_exe
behavioral2/memory/3520-8-0x0000000000400000-0x00000000004D8000-memory.dmp	autoit_exe
behavioral2/memory/3520-9-0x0000000000400000-0x00000000004D8000-memory.dmp	autoit_exe
behavioral2/memory/3520-10-0x0000000000400000-0x00000000004D8000-memory.dmp	autoit_exe
behavioral2/memory/3520-11-0x0000000000400000-0x00000000004D8000-memory.dmp	autoit_exe
behavioral2/memory/3520-12-0x0000000000400000-0x00000000004D8000-memory.dmp	autoit_exe
behavioral2/memory/3520-13-0x0000000000400000-0x00000000004D8000-memory.dmp	autoit_exe
behavioral2/memory/3520-14-0x0000000000400000-0x00000000004D8000-memory.dmp	autoit_exe
behavioral2/memory/3520-15-0x0000000000400000-0x00000000004D8000-memory.dmp	autoit_exe
behavioral2/memory/3520-16-0x0000000000400000-0x00000000004D8000-memory.dmp	autoit_exe
behavioral2/memory/3520-17-0x0000000000400000-0x00000000004D8000-memory.dmp	autoit_exe
behavioral2/memory/3520-18-0x0000000000400000-0x00000000004D8000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3520 set thread context of 1544	3520	d1e3297680abf6e211e4c9bbf3dd032b_JaffaCakes118.exe	84

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
228	1544	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 1 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	d1e3297680abf6e211e4c9bbf3dd032b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3520 wrote to memory of 1544	3520	d1e3297680abf6e211e4c9bbf3dd032b_JaffaCakes118.exe	84
PID 3520 wrote to memory of 1544	3520	d1e3297680abf6e211e4c9bbf3dd032b_JaffaCakes118.exe	84
PID 3520 wrote to memory of 1544	3520	d1e3297680abf6e211e4c9bbf3dd032b_JaffaCakes118.exe	84
PID 3520 wrote to memory of 1544	3520	d1e3297680abf6e211e4c9bbf3dd032b_JaffaCakes118.exe	84
PID 3520 wrote to memory of 1544	3520	d1e3297680abf6e211e4c9bbf3dd032b_JaffaCakes118.exe	84
PID 3520 wrote to memory of 1544	3520	d1e3297680abf6e211e4c9bbf3dd032b_JaffaCakes118.exe	84
PID 3520 wrote to memory of 1544	3520	d1e3297680abf6e211e4c9bbf3dd032b_JaffaCakes118.exe	84
PID 3520 wrote to memory of 1544	3520	d1e3297680abf6e211e4c9bbf3dd032b_JaffaCakes118.exe	84
PID 3520 wrote to memory of 1544	3520	d1e3297680abf6e211e4c9bbf3dd032b_JaffaCakes118.exe	84
PID 3520 wrote to memory of 1544	3520	d1e3297680abf6e211e4c9bbf3dd032b_JaffaCakes118.exe	84
PID 3520 wrote to memory of 1544	3520	d1e3297680abf6e211e4c9bbf3dd032b_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\d1e3297680abf6e211e4c9bbf3dd032b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d1e3297680abf6e211e4c9bbf3dd032b_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3520
- C:\Users\Admin\AppData\Local\Temp\d1e3297680abf6e211e4c9bbf3dd032b_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d1e3297680abf6e211e4c9bbf3dd032b_JaffaCakes118.exe"
  2⤵
  PID:1544
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 516
    3⤵
    - Program crash
    PID:228

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1544 -ip 1544
1⤵
PID:4920

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

memory/1544-3-0x0000000013140000-0x00000000131F7000-memory.dmp

Filesize
732KB

Download
memory/1544-5-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/1544-2-0x0000000013140000-0x00000000131F7000-memory.dmp

Filesize
732KB

Download
memory/3520-9-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/3520-11-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/3520-6-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/3520-7-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/3520-8-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/3520-0-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/3520-10-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/3520-1-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/3520-12-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/3520-13-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/3520-14-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/3520-15-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/3520-16-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/3520-17-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/3520-18-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download

Analysis

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