darkcomet | 795d6e6e126094fb9b10bcbd659755bd301f6f8b06b4c5f546316417a57d977c

General

Target

JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
Size

870KB
MD5

0e563eab1ca1bf35c70a71d77bd7adf0
SHA1

bfe9bd3be3a7a4a2d0a751c7b7a2c78f781f11b1
SHA256

795d6e6e126094fb9b10bcbd659755bd301f6f8b06b4c5f546316417a57d977c
SHA512

35cb20b44f6e4b19bc3e8d1c81a04b86313e493999c4f59edfffe7ae62e5d3bf6217da0999e054b34e9edb484f36c951ebea8c8c058bc9e3c190bdf9d484536f
SSDEEP

12288:/uDlMAyNg8wnrXPk2oR+XIfp+EBnNmDHbyzjhtXYiBM9ztFYeri/pdgFIIhIIN:WDlMvg8wzXoiyUEMHbohtXS9ztdia

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

76.123.20.198:1604

Mutex

DC_MUTEX-JPMD4RX

Attributes

InstallPath
SYS32\sys32.exe
gencode
CDvH1dM6RKEJ
install
true
offline_keylogger
true
persistence
true
reg_key
System32

rc4.plain

Signatures

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

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-1-5-21-1874072718-2205492803-118941907-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\msiexec.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe"	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3976 set thread context of 2160	3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe	89

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
File created	C:\Windows\assembly\Desktop.ini	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
436	2160	WerFault.exe	89

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	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3976 wrote to memory of 2160	3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe	89
PID 3976 wrote to memory of 2160	3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe	89
PID 3976 wrote to memory of 2160	3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe	89
PID 3976 wrote to memory of 2160	3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe	89
PID 3976 wrote to memory of 2160	3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe	89
PID 3976 wrote to memory of 2160	3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe	89
PID 3976 wrote to memory of 2160	3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe	89
PID 3976 wrote to memory of 2160	3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe	89
PID 3976 wrote to memory of 2160	3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe	89
PID 3976 wrote to memory of 2160	3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe	89
PID 3976 wrote to memory of 2160	3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe	89
PID 3976 wrote to memory of 2160	3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe	89
PID 3976 wrote to memory of 2160	3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe	89
PID 3976 wrote to memory of 2160	3976	JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0e563eab1ca1bf35c70a71d77bd7adf0.exe"
1⤵
- Adds Run key to start application
- Drops desktop.ini file(s)
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3976
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
  2⤵
  PID:2160
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 12
    3⤵
    - Program crash
    PID:436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2160 -ip 2160
1⤵
PID:5076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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 Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2160-7-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3976-0-0x0000000074FB2000-0x0000000074FB3000-memory.dmp

Filesize
4KB

Download
memory/3976-1-0x0000000074FB0000-0x0000000075561000-memory.dmp

Filesize
5.7MB

Download
memory/3976-2-0x0000000074FB0000-0x0000000075561000-memory.dmp

Filesize
5.7MB

Download
memory/3976-5-0x0000000074FB2000-0x0000000074FB3000-memory.dmp

Filesize
4KB

Download
memory/3976-6-0x0000000074FB0000-0x0000000075561000-memory.dmp

Filesize
5.7MB

Download
memory/3976-9-0x0000000074FB0000-0x0000000075561000-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