darkcomet | 9a8e189802856de4155551c6f660428a41fae421188376102cc8795de6615409

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
07-05-2024 03:21

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General

Target

59fdbe976e9178c52e3a198033e704c0_NEAS.exe
Size

520KB
MD5

59fdbe976e9178c52e3a198033e704c0
SHA1

26c1e75c0379f371b606e4e925d0a427f6f220dc
SHA256

9a8e189802856de4155551c6f660428a41fae421188376102cc8795de6615409
SHA512

ef9a59734961e683c5d55945dccdd917c25d42e9208f7e70ec2bb09efb6ab8a720efb2fc783cf1fa4cdab138e9ba77fd2b178dc2f9b6934cd5c1c2feadbd67b8
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbI:f9fC3hh29Ya77A90aFtDfT5IMbI

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

Processes:

winupd.exewinupd.exewinupd.exe

pid	Process
3328	winupd.exe
2056	winupd.exe
4940	winupd.exe

UPX packed file 17 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4940-32-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-34-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-37-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-35-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-25-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-28-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-42-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-43-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-44-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4940-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Suspicious use of SetThreadContext 3 IoCs

Processes:

59fdbe976e9178c52e3a198033e704c0_NEAS.exewinupd.exe

description	pid	Process	procid_target
PID 844 set thread context of 2064	844	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	96
PID 3328 set thread context of 2056	3328	winupd.exe	100
PID 3328 set thread context of 4940	3328	winupd.exe	101

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

System Information Discovery
T1082

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
400	224	WerFault.exe	102

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

Processes:

ipconfig.exe

pid	Process
224	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

winupd.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4940	winupd.exe
Token: SeSecurityPrivilege	4940	winupd.exe
Token: SeTakeOwnershipPrivilege	4940	winupd.exe
Token: SeLoadDriverPrivilege	4940	winupd.exe
Token: SeSystemProfilePrivilege	4940	winupd.exe
Token: SeSystemtimePrivilege	4940	winupd.exe
Token: SeProfSingleProcessPrivilege	4940	winupd.exe
Token: SeIncBasePriorityPrivilege	4940	winupd.exe
Token: SeCreatePagefilePrivilege	4940	winupd.exe
Token: SeBackupPrivilege	4940	winupd.exe
Token: SeRestorePrivilege	4940	winupd.exe
Token: SeShutdownPrivilege	4940	winupd.exe
Token: SeDebugPrivilege	4940	winupd.exe
Token: SeSystemEnvironmentPrivilege	4940	winupd.exe
Token: SeChangeNotifyPrivilege	4940	winupd.exe
Token: SeRemoteShutdownPrivilege	4940	winupd.exe
Token: SeUndockPrivilege	4940	winupd.exe
Token: SeManageVolumePrivilege	4940	winupd.exe
Token: SeImpersonatePrivilege	4940	winupd.exe
Token: SeCreateGlobalPrivilege	4940	winupd.exe
Token: 33	4940	winupd.exe
Token: 34	4940	winupd.exe
Token: 35	4940	winupd.exe
Token: 36	4940	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

59fdbe976e9178c52e3a198033e704c0_NEAS.exe59fdbe976e9178c52e3a198033e704c0_NEAS.exewinupd.exewinupd.exewinupd.exe

pid	Process
844	59fdbe976e9178c52e3a198033e704c0_NEAS.exe
2064	59fdbe976e9178c52e3a198033e704c0_NEAS.exe
3328	winupd.exe
2056	winupd.exe
4940	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

59fdbe976e9178c52e3a198033e704c0_NEAS.exe59fdbe976e9178c52e3a198033e704c0_NEAS.exewinupd.exewinupd.exe

description	pid	Process	procid_target
PID 844 wrote to memory of 2064	844	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	96
PID 844 wrote to memory of 2064	844	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	96
PID 844 wrote to memory of 2064	844	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	96
PID 844 wrote to memory of 2064	844	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	96
PID 844 wrote to memory of 2064	844	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	96
PID 844 wrote to memory of 2064	844	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	96
PID 844 wrote to memory of 2064	844	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	96
PID 844 wrote to memory of 2064	844	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	96
PID 2064 wrote to memory of 3328	2064	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	97
PID 2064 wrote to memory of 3328	2064	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	97
PID 2064 wrote to memory of 3328	2064	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	97
PID 3328 wrote to memory of 2056	3328	winupd.exe	100
PID 3328 wrote to memory of 2056	3328	winupd.exe	100
PID 3328 wrote to memory of 2056	3328	winupd.exe	100
PID 3328 wrote to memory of 2056	3328	winupd.exe	100
PID 3328 wrote to memory of 2056	3328	winupd.exe	100
PID 3328 wrote to memory of 2056	3328	winupd.exe	100
PID 3328 wrote to memory of 2056	3328	winupd.exe	100
PID 3328 wrote to memory of 2056	3328	winupd.exe	100
PID 3328 wrote to memory of 4940	3328	winupd.exe	101
PID 3328 wrote to memory of 4940	3328	winupd.exe	101
PID 3328 wrote to memory of 4940	3328	winupd.exe	101
PID 3328 wrote to memory of 4940	3328	winupd.exe	101
PID 3328 wrote to memory of 4940	3328	winupd.exe	101
PID 3328 wrote to memory of 4940	3328	winupd.exe	101
PID 3328 wrote to memory of 4940	3328	winupd.exe	101
PID 3328 wrote to memory of 4940	3328	winupd.exe	101
PID 2056 wrote to memory of 224	2056	winupd.exe	102
PID 2056 wrote to memory of 224	2056	winupd.exe	102
PID 2056 wrote to memory of 224	2056	winupd.exe	102
PID 2056 wrote to memory of 224	2056	winupd.exe	102
PID 2056 wrote to memory of 224	2056	winupd.exe	102

C:\Users\Admin\AppData\Local\Temp\59fdbe976e9178c52e3a198033e704c0_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\59fdbe976e9178c52e3a198033e704c0_NEAS.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:844
- C:\Users\Admin\AppData\Local\Temp\59fdbe976e9178c52e3a198033e704c0_NEAS.exe
  "C:\Users\Admin\AppData\Local\Temp\59fdbe976e9178c52e3a198033e704c0_NEAS.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2064
- - 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:3328
  - - 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:2056
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:224
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 224 -s 272
        6⤵
        Program crash
        
        PID:400
  - - 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:4940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 224 -ip 224
1⤵
PID:640

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
4b1c9e4480c2b4dd002071b8a8756253

SHA1
a839b57c19f2dba5c22a5bdbf888121dbed1e425

SHA256
ebd3861fc873d434dabed3099dcbd50e7091f1f90297c5453a76d0ab748f5a8b

SHA512
6f754b0f912cd913fdd5554c73ff1f91c1b8f2d5ef5cd56e95104dc23ee46e9d3986e65174d8a4a4890e620246c8c0ecf815ea0cb0cef1773391d8723f8d7ed2

Download Submit
memory/844-5-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/844-6-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/844-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2056-38-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2064-2-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2064-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2064-18-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3328-24-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3328-33-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4940-37-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-42-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-34-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-35-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-25-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-28-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-32-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-43-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-44-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4940-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download