darkcomet | 9a8e189802856de4155551c6f660428a41fae421188376102cc8795de6615409

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-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 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
2736	winupd.exe
2560	winupd.exe
2580	winupd.exe

Loads dropped DLL 4 IoCs

pid	Process
2308	59fdbe976e9178c52e3a198033e704c0_NEAS.exe
2308	59fdbe976e9178c52e3a198033e704c0_NEAS.exe
2736	winupd.exe
2736	winupd.exe

UPX packed file 26 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2580-60-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-59-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-57-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-54-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-73-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-72-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-71-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-70-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-75-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-74-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-80-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-81-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-82-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-83-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-92-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-93-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2580-94-0x0000000000400000-0x00000000004B7000-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-1-5-21-3627615824-4061627003-3019543961-1000\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 824 set thread context of 2308	824	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	28
PID 2736 set thread context of 2560	2736	winupd.exe	30
PID 2736 set thread context of 2580	2736	winupd.exe	31

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
2480	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
3000	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2580	winupd.exe
Token: SeSecurityPrivilege	2580	winupd.exe
Token: SeTakeOwnershipPrivilege	2580	winupd.exe
Token: SeLoadDriverPrivilege	2580	winupd.exe
Token: SeSystemProfilePrivilege	2580	winupd.exe
Token: SeSystemtimePrivilege	2580	winupd.exe
Token: SeProfSingleProcessPrivilege	2580	winupd.exe
Token: SeIncBasePriorityPrivilege	2580	winupd.exe
Token: SeCreatePagefilePrivilege	2580	winupd.exe
Token: SeBackupPrivilege	2580	winupd.exe
Token: SeRestorePrivilege	2580	winupd.exe
Token: SeShutdownPrivilege	2580	winupd.exe
Token: SeDebugPrivilege	2580	winupd.exe
Token: SeSystemEnvironmentPrivilege	2580	winupd.exe
Token: SeChangeNotifyPrivilege	2580	winupd.exe
Token: SeRemoteShutdownPrivilege	2580	winupd.exe
Token: SeUndockPrivilege	2580	winupd.exe
Token: SeManageVolumePrivilege	2580	winupd.exe
Token: SeImpersonatePrivilege	2580	winupd.exe
Token: SeCreateGlobalPrivilege	2580	winupd.exe
Token: 33	2580	winupd.exe
Token: 34	2580	winupd.exe
Token: 35	2580	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
824	59fdbe976e9178c52e3a198033e704c0_NEAS.exe
2308	59fdbe976e9178c52e3a198033e704c0_NEAS.exe
2736	winupd.exe
2560	winupd.exe
2580	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 824 wrote to memory of 2308	824	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	28
PID 824 wrote to memory of 2308	824	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	28
PID 824 wrote to memory of 2308	824	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	28
PID 824 wrote to memory of 2308	824	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	28
PID 824 wrote to memory of 2308	824	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	28
PID 824 wrote to memory of 2308	824	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	28
PID 824 wrote to memory of 2308	824	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	28
PID 824 wrote to memory of 2308	824	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	28
PID 824 wrote to memory of 2308	824	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	28
PID 2308 wrote to memory of 2736	2308	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	29
PID 2308 wrote to memory of 2736	2308	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	29
PID 2308 wrote to memory of 2736	2308	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	29
PID 2308 wrote to memory of 2736	2308	59fdbe976e9178c52e3a198033e704c0_NEAS.exe	29
PID 2736 wrote to memory of 2560	2736	winupd.exe	30
PID 2736 wrote to memory of 2560	2736	winupd.exe	30
PID 2736 wrote to memory of 2560	2736	winupd.exe	30
PID 2736 wrote to memory of 2560	2736	winupd.exe	30
PID 2736 wrote to memory of 2560	2736	winupd.exe	30
PID 2736 wrote to memory of 2560	2736	winupd.exe	30
PID 2736 wrote to memory of 2560	2736	winupd.exe	30
PID 2736 wrote to memory of 2560	2736	winupd.exe	30
PID 2736 wrote to memory of 2560	2736	winupd.exe	30
PID 2736 wrote to memory of 2580	2736	winupd.exe	31
PID 2736 wrote to memory of 2580	2736	winupd.exe	31
PID 2736 wrote to memory of 2580	2736	winupd.exe	31
PID 2736 wrote to memory of 2580	2736	winupd.exe	31
PID 2736 wrote to memory of 2580	2736	winupd.exe	31
PID 2736 wrote to memory of 2580	2736	winupd.exe	31
PID 2736 wrote to memory of 2580	2736	winupd.exe	31
PID 2736 wrote to memory of 2580	2736	winupd.exe	31
PID 2560 wrote to memory of 2480	2560	winupd.exe	32
PID 2560 wrote to memory of 2480	2560	winupd.exe	32
PID 2560 wrote to memory of 2480	2560	winupd.exe	32
PID 2560 wrote to memory of 2480	2560	winupd.exe	32
PID 2560 wrote to memory of 2480	2560	winupd.exe	32
PID 2560 wrote to memory of 2480	2560	winupd.exe	32
PID 2480 wrote to memory of 2108	2480	ipconfig.exe	34
PID 2480 wrote to memory of 2108	2480	ipconfig.exe	34
PID 2480 wrote to memory of 2108	2480	ipconfig.exe	34
PID 2480 wrote to memory of 2108	2480	ipconfig.exe	34
PID 2108 wrote to memory of 3000	2108	cmd.exe	36
PID 2108 wrote to memory of 3000	2108	cmd.exe	36
PID 2108 wrote to memory of 3000	2108	cmd.exe	36
PID 2108 wrote to memory of 3000	2108	cmd.exe	36

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:824
- C:\Users\Admin\AppData\Local\Temp\59fdbe976e9178c52e3a198033e704c0_NEAS.exe
  "C:\Users\Admin\AppData\Local\Temp\59fdbe976e9178c52e3a198033e704c0_NEAS.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2308
- - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2736
  - - 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:2560
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        Suspicious use of WriteProcessMemory
        
        PID:2480
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\XEWHTSTP.bat" "
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:2108
        
        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:3000
  - - 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:2580

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\XEWHTSTP.bat

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

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

Filesize
520KB

MD5
ebeaafb3b908b9d72a06fc16d43f0aef

SHA1
659b0c2510b88e421a6ed75df0d306ea00c64a34

SHA256
4e51438ceedffd524c03c61b2f1c4a981f079772952eefaf4ec175ab1d1469d9

SHA512
01fb855f57db66861c3a68c80d0c876089151b969573396d89e131f075da22fb9ce53b7ae14b8e3bf9f7b3c987854faf2615f8272713d3429cf2f01443424045

Download Submit
memory/824-17-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/824-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/824-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/824-18-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2308-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2308-14-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2308-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2308-8-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2308-63-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2308-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2480-68-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2560-79-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2580-73-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-81-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-94-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-57-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-93-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-72-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-71-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-70-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-75-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-74-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-59-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-60-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-80-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-54-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-82-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-83-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2580-92-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2736-67-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2736-49-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads