darkcomet | 2fc700b16c4a15b3732a2e7534f09e510692a5f445741011a50a786d806829b0

Analysis

max time kernel
120s
max time network
18s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-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 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

Executes dropped EXE 3 IoCs

pid	Process
2824	winupd.exe
2596	winupd.exe
2768	winupd.exe

Loads dropped DLL 2 IoCs

pid	Process
2888	44b34bbf9dd06a47250f20dc4e63aa00N.exe
2888	44b34bbf9dd06a47250f20dc4e63aa00N.exe

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2768-60-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-59-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-57-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-65-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-72-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-73-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-71-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-75-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-74-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-80-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-81-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-82-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-83-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2768-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

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-1-5-21-2212144002-1172735686-1556890956-1000\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 3024 set thread context of 2888	3024	44b34bbf9dd06a47250f20dc4e63aa00N.exe	30
PID 2824 set thread context of 2596	2824	winupd.exe	32
PID 2824 set thread context of 2768	2824	winupd.exe	33

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

System Information Discovery
T1082

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
2660	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2248	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2768	winupd.exe
Token: SeSecurityPrivilege	2768	winupd.exe
Token: SeTakeOwnershipPrivilege	2768	winupd.exe
Token: SeLoadDriverPrivilege	2768	winupd.exe
Token: SeSystemProfilePrivilege	2768	winupd.exe
Token: SeSystemtimePrivilege	2768	winupd.exe
Token: SeProfSingleProcessPrivilege	2768	winupd.exe
Token: SeIncBasePriorityPrivilege	2768	winupd.exe
Token: SeCreatePagefilePrivilege	2768	winupd.exe
Token: SeBackupPrivilege	2768	winupd.exe
Token: SeRestorePrivilege	2768	winupd.exe
Token: SeShutdownPrivilege	2768	winupd.exe
Token: SeDebugPrivilege	2768	winupd.exe
Token: SeSystemEnvironmentPrivilege	2768	winupd.exe
Token: SeChangeNotifyPrivilege	2768	winupd.exe
Token: SeRemoteShutdownPrivilege	2768	winupd.exe
Token: SeUndockPrivilege	2768	winupd.exe
Token: SeManageVolumePrivilege	2768	winupd.exe
Token: SeImpersonatePrivilege	2768	winupd.exe
Token: SeCreateGlobalPrivilege	2768	winupd.exe
Token: 33	2768	winupd.exe
Token: 34	2768	winupd.exe
Token: 35	2768	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3024	44b34bbf9dd06a47250f20dc4e63aa00N.exe
2888	44b34bbf9dd06a47250f20dc4e63aa00N.exe
2824	winupd.exe
2596	winupd.exe
2768	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 2888	3024	44b34bbf9dd06a47250f20dc4e63aa00N.exe	30
PID 3024 wrote to memory of 2888	3024	44b34bbf9dd06a47250f20dc4e63aa00N.exe	30
PID 3024 wrote to memory of 2888	3024	44b34bbf9dd06a47250f20dc4e63aa00N.exe	30
PID 3024 wrote to memory of 2888	3024	44b34bbf9dd06a47250f20dc4e63aa00N.exe	30
PID 3024 wrote to memory of 2888	3024	44b34bbf9dd06a47250f20dc4e63aa00N.exe	30
PID 3024 wrote to memory of 2888	3024	44b34bbf9dd06a47250f20dc4e63aa00N.exe	30
PID 3024 wrote to memory of 2888	3024	44b34bbf9dd06a47250f20dc4e63aa00N.exe	30
PID 3024 wrote to memory of 2888	3024	44b34bbf9dd06a47250f20dc4e63aa00N.exe	30
PID 3024 wrote to memory of 2888	3024	44b34bbf9dd06a47250f20dc4e63aa00N.exe	30
PID 2888 wrote to memory of 2824	2888	44b34bbf9dd06a47250f20dc4e63aa00N.exe	31
PID 2888 wrote to memory of 2824	2888	44b34bbf9dd06a47250f20dc4e63aa00N.exe	31
PID 2888 wrote to memory of 2824	2888	44b34bbf9dd06a47250f20dc4e63aa00N.exe	31
PID 2888 wrote to memory of 2824	2888	44b34bbf9dd06a47250f20dc4e63aa00N.exe	31
PID 2824 wrote to memory of 2596	2824	winupd.exe	32
PID 2824 wrote to memory of 2596	2824	winupd.exe	32
PID 2824 wrote to memory of 2596	2824	winupd.exe	32
PID 2824 wrote to memory of 2596	2824	winupd.exe	32
PID 2824 wrote to memory of 2596	2824	winupd.exe	32
PID 2824 wrote to memory of 2596	2824	winupd.exe	32
PID 2824 wrote to memory of 2596	2824	winupd.exe	32
PID 2824 wrote to memory of 2596	2824	winupd.exe	32
PID 2824 wrote to memory of 2596	2824	winupd.exe	32
PID 2824 wrote to memory of 2768	2824	winupd.exe	33
PID 2824 wrote to memory of 2768	2824	winupd.exe	33
PID 2824 wrote to memory of 2768	2824	winupd.exe	33
PID 2824 wrote to memory of 2768	2824	winupd.exe	33
PID 2824 wrote to memory of 2768	2824	winupd.exe	33
PID 2824 wrote to memory of 2768	2824	winupd.exe	33
PID 2824 wrote to memory of 2768	2824	winupd.exe	33
PID 2824 wrote to memory of 2768	2824	winupd.exe	33
PID 2596 wrote to memory of 2660	2596	winupd.exe	34
PID 2596 wrote to memory of 2660	2596	winupd.exe	34
PID 2596 wrote to memory of 2660	2596	winupd.exe	34
PID 2596 wrote to memory of 2660	2596	winupd.exe	34
PID 2596 wrote to memory of 2660	2596	winupd.exe	34
PID 2596 wrote to memory of 2660	2596	winupd.exe	34
PID 2660 wrote to memory of 1652	2660	ipconfig.exe	36
PID 2660 wrote to memory of 1652	2660	ipconfig.exe	36
PID 2660 wrote to memory of 1652	2660	ipconfig.exe	36
PID 2660 wrote to memory of 1652	2660	ipconfig.exe	36
PID 1652 wrote to memory of 2248	1652	cmd.exe	38
PID 1652 wrote to memory of 2248	1652	cmd.exe	38
PID 1652 wrote to memory of 2248	1652	cmd.exe	38
PID 1652 wrote to memory of 2248	1652	cmd.exe	38

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:3024
- C:\Users\Admin\AppData\Local\Temp\44b34bbf9dd06a47250f20dc4e63aa00N.exe
  "C:\Users\Admin\AppData\Local\Temp\44b34bbf9dd06a47250f20dc4e63aa00N.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2888
- - 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:2824
  - - 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:2596
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        Suspicious use of WriteProcessMemory
        
        PID:2660
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\NGWFNBBC.bat" "
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:1652
        
        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
        Modifies registry key
        
        PID:2248
  - - 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:2768

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

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

Filesize
520KB

MD5
c9afe151e7a1733d8d984cfcc35b03b6

SHA1
afe499d52f63efd5f655fd564aa784edc9dfe91d

SHA256
54026da544647c27879937004c86a8afe91c0d4d70330953ef73e6f3751fb783

SHA512
da9e8caf6ce1273342f49e11de033dd9cc49d12a9c8cafb21b7119a30764273b9a1d0aa2043311852fcf378d96c105fc93b89d351fbff2bed59c60fa9fb077b5

Download Submit
memory/2596-79-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2660-69-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2768-65-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2768-71-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2768-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2768-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2768-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2768-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2768-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2768-60-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2768-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2768-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2768-59-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2768-57-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2768-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2768-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2768-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2768-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2768-83-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2768-72-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2768-82-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2768-73-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2768-81-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2768-75-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2768-74-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2768-80-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2824-64-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2824-54-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2888-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2888-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2888-8-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2888-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2888-14-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2888-63-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2888-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3024-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3024-18-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3024-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3024-20-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads