darkcomet | 7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44e

Analysis

max time kernel
120s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 21:31

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General

Target

7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe
Size

520KB
MD5

51cddc8e55cf67ded802d2cf651e2420
SHA1

9ae1971f1c5ae09fc31d8d51507323522fe10ff5
SHA256

7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44e
SHA512

a016e63167c95282dd862f0ac55fdb7c07e6586a4fe9e945eb2ba57d54399c4d0827a2bda221eb71869212847e15d98c448faa735fa91d6a42edcb375371e153
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbq:f9fC3hh29Ya77A90aFtDfT5IMbq

Score

10^/10

darkcomet privateeye discovery persistence 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
Darkcomet family
darkcomet

Executes dropped EXE 3 IoCs

pid	Process
2600	winupd.exe
2360	winupd.exe
2884	winupd.exe

Loads dropped DLL 2 IoCs

pid	Process
2604	7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe
2604	7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\winupd.exe -notray"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2188 set thread context of 2604	2188	7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe	30
PID 2600 set thread context of 2360	2600	winupd.exe	32
PID 2600 set thread context of 2884	2600	winupd.exe	33

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2884-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-60-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-69-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-70-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-71-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-73-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-72-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-75-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-76-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-80-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-81-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-82-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-83-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2884-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 8 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	7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe

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
2952	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2720	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2884	winupd.exe
Token: SeSecurityPrivilege	2884	winupd.exe
Token: SeTakeOwnershipPrivilege	2884	winupd.exe
Token: SeLoadDriverPrivilege	2884	winupd.exe
Token: SeSystemProfilePrivilege	2884	winupd.exe
Token: SeSystemtimePrivilege	2884	winupd.exe
Token: SeProfSingleProcessPrivilege	2884	winupd.exe
Token: SeIncBasePriorityPrivilege	2884	winupd.exe
Token: SeCreatePagefilePrivilege	2884	winupd.exe
Token: SeBackupPrivilege	2884	winupd.exe
Token: SeRestorePrivilege	2884	winupd.exe
Token: SeShutdownPrivilege	2884	winupd.exe
Token: SeDebugPrivilege	2884	winupd.exe
Token: SeSystemEnvironmentPrivilege	2884	winupd.exe
Token: SeChangeNotifyPrivilege	2884	winupd.exe
Token: SeRemoteShutdownPrivilege	2884	winupd.exe
Token: SeUndockPrivilege	2884	winupd.exe
Token: SeManageVolumePrivilege	2884	winupd.exe
Token: SeImpersonatePrivilege	2884	winupd.exe
Token: SeCreateGlobalPrivilege	2884	winupd.exe
Token: 33	2884	winupd.exe
Token: 34	2884	winupd.exe
Token: 35	2884	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2188	7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe
2604	7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe
2600	winupd.exe
2360	winupd.exe
2884	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 2604	2188	7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe	30
PID 2188 wrote to memory of 2604	2188	7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe	30
PID 2188 wrote to memory of 2604	2188	7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe	30
PID 2188 wrote to memory of 2604	2188	7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe	30
PID 2188 wrote to memory of 2604	2188	7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe	30
PID 2188 wrote to memory of 2604	2188	7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe	30
PID 2188 wrote to memory of 2604	2188	7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe	30
PID 2188 wrote to memory of 2604	2188	7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe	30
PID 2188 wrote to memory of 2604	2188	7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe	30
PID 2604 wrote to memory of 2600	2604	7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe	31
PID 2604 wrote to memory of 2600	2604	7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe	31
PID 2604 wrote to memory of 2600	2604	7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe	31
PID 2604 wrote to memory of 2600	2604	7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe	31
PID 2600 wrote to memory of 2360	2600	winupd.exe	32
PID 2600 wrote to memory of 2360	2600	winupd.exe	32
PID 2600 wrote to memory of 2360	2600	winupd.exe	32
PID 2600 wrote to memory of 2360	2600	winupd.exe	32
PID 2600 wrote to memory of 2360	2600	winupd.exe	32
PID 2600 wrote to memory of 2360	2600	winupd.exe	32
PID 2600 wrote to memory of 2360	2600	winupd.exe	32
PID 2600 wrote to memory of 2360	2600	winupd.exe	32
PID 2600 wrote to memory of 2360	2600	winupd.exe	32
PID 2600 wrote to memory of 2884	2600	winupd.exe	33
PID 2600 wrote to memory of 2884	2600	winupd.exe	33
PID 2600 wrote to memory of 2884	2600	winupd.exe	33
PID 2600 wrote to memory of 2884	2600	winupd.exe	33
PID 2600 wrote to memory of 2884	2600	winupd.exe	33
PID 2600 wrote to memory of 2884	2600	winupd.exe	33
PID 2600 wrote to memory of 2884	2600	winupd.exe	33
PID 2600 wrote to memory of 2884	2600	winupd.exe	33
PID 2360 wrote to memory of 2952	2360	winupd.exe	34
PID 2360 wrote to memory of 2952	2360	winupd.exe	34
PID 2360 wrote to memory of 2952	2360	winupd.exe	34
PID 2360 wrote to memory of 2952	2360	winupd.exe	34
PID 2360 wrote to memory of 2952	2360	winupd.exe	34
PID 2360 wrote to memory of 2952	2360	winupd.exe	34
PID 2952 wrote to memory of 2844	2952	ipconfig.exe	37
PID 2952 wrote to memory of 2844	2952	ipconfig.exe	37
PID 2952 wrote to memory of 2844	2952	ipconfig.exe	37
PID 2952 wrote to memory of 2844	2952	ipconfig.exe	37
PID 2844 wrote to memory of 2720	2844	cmd.exe	39
PID 2844 wrote to memory of 2720	2844	cmd.exe	39
PID 2844 wrote to memory of 2720	2844	cmd.exe	39
PID 2844 wrote to memory of 2720	2844	cmd.exe	39

C:\Users\Admin\AppData\Local\Temp\7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe
"C:\Users\Admin\AppData\Local\Temp\7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2188
- C:\Users\Admin\AppData\Local\Temp\7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe
  "C:\Users\Admin\AppData\Local\Temp\7d406c200225c1b5bfef6fb379bf35697407b57aca9e115a407646768d4cb44eN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2604
- - 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
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2600
  - - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2360
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        System Location Discovery: System Language Discovery
        Gathers network information
        Suspicious use of WriteProcessMemory
        
        PID:2952
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\GQHESWIJ.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2844
        
        C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v WinUpdate /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray" /f
        7⤵
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Modifies registry key
        
        PID:2720
  - - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\GQHESWIJ.bat

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\winupd.exe

Filesize
520KB

MD5
f8fb73fa7716efdf687093b5ff094ee2

SHA1
75e861c332043f651fa197e79b3bfdcc2fa46800

SHA256
c7e3c50fd5463a9ae511a2048fb86d4e3c3e360e69c5fca1c244cd5c0ab945b9

SHA512
e0ae848d23b1f5a3f6fb04a1a4cd906658757a59e7f1cb3307ab147b114cb3d8305fdd212ba1b5aa9f999b8a4e6105c41723d204d158b37882a65e1cb571c2cd

Download Submit
memory/2188-18-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2188-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2188-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2188-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2188-19-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2360-79-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2600-34-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2600-58-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2600-59-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2604-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2604-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2604-9-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2604-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2604-63-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2604-15-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2884-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-60-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-70-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-71-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-73-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-72-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-75-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-76-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-69-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-80-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-81-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-82-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-83-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2884-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2952-67-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads