darkcomet | 193076442e8e81094d5da104c265d15cfc614d0cefeaef5873eddf07b1301983

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
16-04-2024 06:16

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General

Target

f2dee5945a3f56fff40b4ab53b029d91_JaffaCakes118.exe
Size

621KB
MD5

f2dee5945a3f56fff40b4ab53b029d91
SHA1

0eb59b2657c24ad1fbd66835dad9b5dc58991197
SHA256

193076442e8e81094d5da104c265d15cfc614d0cefeaef5873eddf07b1301983
SHA512

d42af8cd3c0a404631c15540328631bbec3a5654b8b562e0c405e72aee157195714495278170441460cedff45a841a48f0eab1a8f931a2055c827453ea15c9d2
SSDEEP

12288:1sXoKy9Q58lYukxzFaKprKwQAT5tqYdvuqxo81wnSJPlJhR5lTuYrBaTU1f3:1sXDfumMKpr2AtQYdvuqx51ASJPl3rt9

Score

10^/10

darkcomet rat trojan

Malware Config

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

f2dee5945a3f56fff40b4ab53b029d91_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2700 set thread context of 4536	2700	f2dee5945a3f56fff40b4ab53b029d91_JaffaCakes118.exe	85

Modifies Internet Explorer settings 1 TTPs 30 IoCs

adware spyware

Modify Registry

T1112

Processes:

iexplore.exeIEXPLORE.EXE

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\Software\Microsoft\Internet Explorer\VersionManager	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\Software\Microsoft\Internet Explorer\VersionManager	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2913443002"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31100869"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31100869"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\""	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2904691561"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D8B887EF-FBB8-11EE-888B-FE40A00249BE} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31100869"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "420013157"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2904536203"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-776854024-226333264-2052258302-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

iexplore.exe

pid	Process
4536	iexplore.exe

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

f2dee5945a3f56fff40b4ab53b029d91_JaffaCakes118.exeiexplore.exeIEXPLORE.EXE

pid	Process
2700	f2dee5945a3f56fff40b4ab53b029d91_JaffaCakes118.exe
4536	iexplore.exe
4536	iexplore.exe
5044	IEXPLORE.EXE
5044	IEXPLORE.EXE
5044	IEXPLORE.EXE
5044	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

f2dee5945a3f56fff40b4ab53b029d91_JaffaCakes118.exeiexplore.exe

description	pid	Process	procid_target
PID 2700 wrote to memory of 4536	2700	f2dee5945a3f56fff40b4ab53b029d91_JaffaCakes118.exe	85
PID 2700 wrote to memory of 4536	2700	f2dee5945a3f56fff40b4ab53b029d91_JaffaCakes118.exe	85
PID 2700 wrote to memory of 4536	2700	f2dee5945a3f56fff40b4ab53b029d91_JaffaCakes118.exe	85
PID 2700 wrote to memory of 4536	2700	f2dee5945a3f56fff40b4ab53b029d91_JaffaCakes118.exe	85
PID 2700 wrote to memory of 4536	2700	f2dee5945a3f56fff40b4ab53b029d91_JaffaCakes118.exe	85
PID 2700 wrote to memory of 4536	2700	f2dee5945a3f56fff40b4ab53b029d91_JaffaCakes118.exe	85
PID 2700 wrote to memory of 4536	2700	f2dee5945a3f56fff40b4ab53b029d91_JaffaCakes118.exe	85
PID 2700 wrote to memory of 4536	2700	f2dee5945a3f56fff40b4ab53b029d91_JaffaCakes118.exe	85
PID 2700 wrote to memory of 4536	2700	f2dee5945a3f56fff40b4ab53b029d91_JaffaCakes118.exe	85
PID 2700 wrote to memory of 4536	2700	f2dee5945a3f56fff40b4ab53b029d91_JaffaCakes118.exe	85
PID 2700 wrote to memory of 4536	2700	f2dee5945a3f56fff40b4ab53b029d91_JaffaCakes118.exe	85
PID 2700 wrote to memory of 4536	2700	f2dee5945a3f56fff40b4ab53b029d91_JaffaCakes118.exe	85
PID 2700 wrote to memory of 4536	2700	f2dee5945a3f56fff40b4ab53b029d91_JaffaCakes118.exe	85
PID 4536 wrote to memory of 5044	4536	iexplore.exe	87
PID 4536 wrote to memory of 5044	4536	iexplore.exe	87
PID 4536 wrote to memory of 5044	4536	iexplore.exe	87

C:\Users\Admin\AppData\Local\Temp\f2dee5945a3f56fff40b4ab53b029d91_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f2dee5945a3f56fff40b4ab53b029d91_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4536
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4536 CREDAT:17410 /prefetch:2
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of SetWindowsHookEx
    PID:5044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\Z8NKIUZO\suggestions[1].en-US

Filesize
17KB

MD5
5a34cb996293fde2cb7a4ac89587393a

SHA1
3c96c993500690d1a77873cd62bc639b3a10653f

SHA256
c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

SHA512
e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

Download Submit
memory/2700-0-0x0000000000400000-0x0000000000438036-memory.dmp

Filesize
224KB

Download
memory/2700-4-0x0000000000400000-0x0000000000438036-memory.dmp

Filesize
224KB

Download
memory/4536-3-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download