darkcomet | 2fc700b16c4a15b3732a2e7534f09e510692a5f445741011a50a786d806829b0

Analysis

max time kernel
120s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
21/07/2024, 01:43

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General

Target

44b34bbf9dd06a47250f20dc4e63aa00N.exe
Size

520KB
MD5

44b34bbf9dd06a47250f20dc4e63aa00
SHA1

d283b44fd38a2e5c4580a1afb09e514b27228c3f
SHA256

2fc700b16c4a15b3732a2e7534f09e510692a5f445741011a50a786d806829b0
SHA512

170caef55f4633f6782d424e75a6f12e24935abedc749e60370c7d7a31c9b55663539fb156672a87e2bf53ce8b41f57c11228d1c655d7566538aa325b4fd0f92
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbs:f9fC3hh29Ya77A90aFtDfT5IMbs

Score

10^/10

darkcomet privateeye rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

PrivateEye

ratblackshades.no-ip.biz:1604

Mutex

DC_MUTEX-ACC1R98

Attributes

gencode
8GG5LVVGljSF
install
false
offline_keylogger
true
persistence
false

Signatures

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

Executes dropped EXE 3 IoCs

pid	Process
3456	winupd.exe
2132	winupd.exe
4552	winupd.exe

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4552-23-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4552-27-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4552-32-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4552-33-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4552-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4552-35-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4552-34-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4552-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4552-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4552-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4552-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4552-42-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4552-43-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4552-44-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4552-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4552-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2356 set thread context of 1576	2356	44b34bbf9dd06a47250f20dc4e63aa00N.exe	94
PID 3456 set thread context of 2132	3456	winupd.exe	99
PID 3456 set thread context of 4552	3456	winupd.exe	100

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
4060	3636	WerFault.exe	101

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
3636	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4552	winupd.exe
Token: SeSecurityPrivilege	4552	winupd.exe
Token: SeTakeOwnershipPrivilege	4552	winupd.exe
Token: SeLoadDriverPrivilege	4552	winupd.exe
Token: SeSystemProfilePrivilege	4552	winupd.exe
Token: SeSystemtimePrivilege	4552	winupd.exe
Token: SeProfSingleProcessPrivilege	4552	winupd.exe
Token: SeIncBasePriorityPrivilege	4552	winupd.exe
Token: SeCreatePagefilePrivilege	4552	winupd.exe
Token: SeBackupPrivilege	4552	winupd.exe
Token: SeRestorePrivilege	4552	winupd.exe
Token: SeShutdownPrivilege	4552	winupd.exe
Token: SeDebugPrivilege	4552	winupd.exe
Token: SeSystemEnvironmentPrivilege	4552	winupd.exe
Token: SeChangeNotifyPrivilege	4552	winupd.exe
Token: SeRemoteShutdownPrivilege	4552	winupd.exe
Token: SeUndockPrivilege	4552	winupd.exe
Token: SeManageVolumePrivilege	4552	winupd.exe
Token: SeImpersonatePrivilege	4552	winupd.exe
Token: SeCreateGlobalPrivilege	4552	winupd.exe
Token: 33	4552	winupd.exe
Token: 34	4552	winupd.exe
Token: 35	4552	winupd.exe
Token: 36	4552	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2356	44b34bbf9dd06a47250f20dc4e63aa00N.exe
1576	44b34bbf9dd06a47250f20dc4e63aa00N.exe
3456	winupd.exe
2132	winupd.exe
4552	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 1576	2356	44b34bbf9dd06a47250f20dc4e63aa00N.exe	94
PID 2356 wrote to memory of 1576	2356	44b34bbf9dd06a47250f20dc4e63aa00N.exe	94
PID 2356 wrote to memory of 1576	2356	44b34bbf9dd06a47250f20dc4e63aa00N.exe	94
PID 2356 wrote to memory of 1576	2356	44b34bbf9dd06a47250f20dc4e63aa00N.exe	94
PID 2356 wrote to memory of 1576	2356	44b34bbf9dd06a47250f20dc4e63aa00N.exe	94
PID 2356 wrote to memory of 1576	2356	44b34bbf9dd06a47250f20dc4e63aa00N.exe	94
PID 2356 wrote to memory of 1576	2356	44b34bbf9dd06a47250f20dc4e63aa00N.exe	94
PID 2356 wrote to memory of 1576	2356	44b34bbf9dd06a47250f20dc4e63aa00N.exe	94
PID 1576 wrote to memory of 3456	1576	44b34bbf9dd06a47250f20dc4e63aa00N.exe	95
PID 1576 wrote to memory of 3456	1576	44b34bbf9dd06a47250f20dc4e63aa00N.exe	95
PID 1576 wrote to memory of 3456	1576	44b34bbf9dd06a47250f20dc4e63aa00N.exe	95
PID 3456 wrote to memory of 2132	3456	winupd.exe	99
PID 3456 wrote to memory of 2132	3456	winupd.exe	99
PID 3456 wrote to memory of 2132	3456	winupd.exe	99
PID 3456 wrote to memory of 2132	3456	winupd.exe	99
PID 3456 wrote to memory of 2132	3456	winupd.exe	99
PID 3456 wrote to memory of 2132	3456	winupd.exe	99
PID 3456 wrote to memory of 2132	3456	winupd.exe	99
PID 3456 wrote to memory of 2132	3456	winupd.exe	99
PID 3456 wrote to memory of 4552	3456	winupd.exe	100
PID 3456 wrote to memory of 4552	3456	winupd.exe	100
PID 3456 wrote to memory of 4552	3456	winupd.exe	100
PID 3456 wrote to memory of 4552	3456	winupd.exe	100
PID 3456 wrote to memory of 4552	3456	winupd.exe	100
PID 3456 wrote to memory of 4552	3456	winupd.exe	100
PID 3456 wrote to memory of 4552	3456	winupd.exe	100
PID 3456 wrote to memory of 4552	3456	winupd.exe	100
PID 2132 wrote to memory of 3636	2132	winupd.exe	101
PID 2132 wrote to memory of 3636	2132	winupd.exe	101
PID 2132 wrote to memory of 3636	2132	winupd.exe	101
PID 2132 wrote to memory of 3636	2132	winupd.exe	101
PID 2132 wrote to memory of 3636	2132	winupd.exe	101

C:\Users\Admin\AppData\Local\Temp\44b34bbf9dd06a47250f20dc4e63aa00N.exe
"C:\Users\Admin\AppData\Local\Temp\44b34bbf9dd06a47250f20dc4e63aa00N.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2356
- C:\Users\Admin\AppData\Local\Temp\44b34bbf9dd06a47250f20dc4e63aa00N.exe
  "C:\Users\Admin\AppData\Local\Temp\44b34bbf9dd06a47250f20dc4e63aa00N.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1576
- - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3456
  - - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2132
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:3636
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3636 -s 272
        6⤵
        Program crash
        
        PID:4060
  - - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:4552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3636 -ip 3636
1⤵
PID:2276

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe

Filesize
520KB

MD5
7ddfc14958ba66e36d26a950057064a4

SHA1
1c4f8d4952b9a259f3a87a57cd5123a3785dc64d

SHA256
b49600c885d1f7e56ea07774c15e9e7c3ee781b4ce36cd88ef298bc43db70b68

SHA512
bce54cdde0326957e1c6056d2eeac7543bc27edcf713a073da1afc81de3d3eb70fd16bf285dbdcda2f5e08ee416736a6be7084c4d1a0f7e54aa43875e4922fc3

Download Submit
memory/1576-3-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1576-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1576-17-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2132-36-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2356-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2356-6-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2356-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3456-26-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4552-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4552-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4552-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4552-27-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4552-35-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4552-34-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4552-33-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4552-23-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4552-32-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4552-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4552-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4552-42-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4552-43-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4552-44-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4552-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4552-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download