darkcomet | 110c0ac80f4d6a7e73183cf5a98f83440943afe69abca9a572ca4a4e54de7d13

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
06-02-2025 08:06

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General

Target

NanoCore-master/sample/NanoCore.exe
Size

1.1MB
MD5

e4aeb7b31d677a5a9a58a4762fab1321
SHA1

a5e7279b6d59236296031ff87976e33fbd8cf34d
SHA256

1111f013a010a57a6739a8d4d0891728547cbbf80e45e77369a05d3423a28915
SHA512

964dda5030a54493aeebb8b478a76ccd98456184224332e66d5b693d311c83da11c360355c8d73e539ebc7b6ed0d0d2e78f65eef0f75d48c64a63cf10411e1fa
SSDEEP

24576:sdZ1xuVVjfFoynPaVBUR8f+kN10EBIQXiClSI5tIkjh:snQDgok30Edb

Score

10^/10

darkcomet nanocore idman defense_evasion discovery keylogger persistence rat spyware stealer trojan

Malware Config

Extracted

Family

darkcomet

Botnet

IDMAN

arrivals.ddns.net:2323

Mutex

DC_MUTEX-391X2ZJ

Attributes

InstallPath
MSDCSC\IDMAN.exe
gencode
CUWbhGwmWBMb
install
true
offline_keylogger
true
persistence
true
reg_key
IDMAN

Signatures

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\IDMAN.exe"	CRACKED.EXE

Modifies firewall policy service 3 TTPs 3 IoCs

defense_evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	IDMAN.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	IDMAN.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	IDMAN.exe

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore
Nanocore family
nanocore

Executes dropped EXE 3 IoCs

pid	Process
2364	CRACKED.EXE
2464	NANOCORE.EXE
2360	IDMAN.exe

Loads dropped DLL 5 IoCs

pid	Process
3040	NanoCore.exe
3040	NanoCore.exe
3040	NanoCore.exe
2364	CRACKED.EXE
2364	CRACKED.EXE

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\IDMAN = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\IDMAN.exe"	CRACKED.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\IDMAN = "C:\\Users\\Admin\\AppData\\Roaming\\MSDCSC\\IDMAN.exe"	IDMAN.exe

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 4 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	IDMAN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NanoCore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CRACKED.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2360	IDMAN.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2364	CRACKED.EXE
Token: SeSecurityPrivilege	2364	CRACKED.EXE
Token: SeTakeOwnershipPrivilege	2364	CRACKED.EXE
Token: SeLoadDriverPrivilege	2364	CRACKED.EXE
Token: SeSystemProfilePrivilege	2364	CRACKED.EXE
Token: SeSystemtimePrivilege	2364	CRACKED.EXE
Token: SeProfSingleProcessPrivilege	2364	CRACKED.EXE
Token: SeIncBasePriorityPrivilege	2364	CRACKED.EXE
Token: SeCreatePagefilePrivilege	2364	CRACKED.EXE
Token: SeBackupPrivilege	2364	CRACKED.EXE
Token: SeRestorePrivilege	2364	CRACKED.EXE
Token: SeShutdownPrivilege	2364	CRACKED.EXE
Token: SeDebugPrivilege	2364	CRACKED.EXE
Token: SeSystemEnvironmentPrivilege	2364	CRACKED.EXE
Token: SeChangeNotifyPrivilege	2364	CRACKED.EXE
Token: SeRemoteShutdownPrivilege	2364	CRACKED.EXE
Token: SeUndockPrivilege	2364	CRACKED.EXE
Token: SeManageVolumePrivilege	2364	CRACKED.EXE
Token: SeImpersonatePrivilege	2364	CRACKED.EXE
Token: SeCreateGlobalPrivilege	2364	CRACKED.EXE
Token: 33	2364	CRACKED.EXE
Token: 34	2364	CRACKED.EXE
Token: 35	2364	CRACKED.EXE
Token: SeIncreaseQuotaPrivilege	2360	IDMAN.exe
Token: SeSecurityPrivilege	2360	IDMAN.exe
Token: SeTakeOwnershipPrivilege	2360	IDMAN.exe
Token: SeLoadDriverPrivilege	2360	IDMAN.exe
Token: SeSystemProfilePrivilege	2360	IDMAN.exe
Token: SeSystemtimePrivilege	2360	IDMAN.exe
Token: SeProfSingleProcessPrivilege	2360	IDMAN.exe
Token: SeIncBasePriorityPrivilege	2360	IDMAN.exe
Token: SeCreatePagefilePrivilege	2360	IDMAN.exe
Token: SeBackupPrivilege	2360	IDMAN.exe
Token: SeRestorePrivilege	2360	IDMAN.exe
Token: SeShutdownPrivilege	2360	IDMAN.exe
Token: SeDebugPrivilege	2360	IDMAN.exe
Token: SeSystemEnvironmentPrivilege	2360	IDMAN.exe
Token: SeChangeNotifyPrivilege	2360	IDMAN.exe
Token: SeRemoteShutdownPrivilege	2360	IDMAN.exe
Token: SeUndockPrivilege	2360	IDMAN.exe
Token: SeManageVolumePrivilege	2360	IDMAN.exe
Token: SeImpersonatePrivilege	2360	IDMAN.exe
Token: SeCreateGlobalPrivilege	2360	IDMAN.exe
Token: 33	2360	IDMAN.exe
Token: 34	2360	IDMAN.exe
Token: 35	2360	IDMAN.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2360	IDMAN.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 2364	3040	NanoCore.exe	30
PID 3040 wrote to memory of 2364	3040	NanoCore.exe	30
PID 3040 wrote to memory of 2364	3040	NanoCore.exe	30
PID 3040 wrote to memory of 2364	3040	NanoCore.exe	30
PID 3040 wrote to memory of 2464	3040	NanoCore.exe	31
PID 3040 wrote to memory of 2464	3040	NanoCore.exe	31
PID 3040 wrote to memory of 2464	3040	NanoCore.exe	31
PID 3040 wrote to memory of 2464	3040	NanoCore.exe	31
PID 2364 wrote to memory of 2360	2364	CRACKED.EXE	32
PID 2364 wrote to memory of 2360	2364	CRACKED.EXE	32
PID 2364 wrote to memory of 2360	2364	CRACKED.EXE	32
PID 2364 wrote to memory of 2360	2364	CRACKED.EXE	32
PID 2360 wrote to memory of 2708	2360	IDMAN.exe	33
PID 2360 wrote to memory of 2708	2360	IDMAN.exe	33
PID 2360 wrote to memory of 2708	2360	IDMAN.exe	33
PID 2360 wrote to memory of 2708	2360	IDMAN.exe	33
PID 2360 wrote to memory of 2708	2360	IDMAN.exe	33
PID 2360 wrote to memory of 2708	2360	IDMAN.exe	33
PID 2360 wrote to memory of 2708	2360	IDMAN.exe	33
PID 2360 wrote to memory of 2708	2360	IDMAN.exe	33
PID 2360 wrote to memory of 2708	2360	IDMAN.exe	33
PID 2360 wrote to memory of 2708	2360	IDMAN.exe	33
PID 2360 wrote to memory of 2708	2360	IDMAN.exe	33
PID 2360 wrote to memory of 2708	2360	IDMAN.exe	33
PID 2360 wrote to memory of 2708	2360	IDMAN.exe	33
PID 2360 wrote to memory of 2708	2360	IDMAN.exe	33
PID 2360 wrote to memory of 2708	2360	IDMAN.exe	33
PID 2360 wrote to memory of 2708	2360	IDMAN.exe	33
PID 2360 wrote to memory of 2708	2360	IDMAN.exe	33
PID 2360 wrote to memory of 2708	2360	IDMAN.exe	33
PID 2360 wrote to memory of 2708	2360	IDMAN.exe	33
PID 2360 wrote to memory of 2708	2360	IDMAN.exe	33
PID 2360 wrote to memory of 2708	2360	IDMAN.exe	33
PID 2360 wrote to memory of 2708	2360	IDMAN.exe	33
PID 2360 wrote to memory of 2708	2360	IDMAN.exe	33
PID 2464 wrote to memory of 2688	2464	NANOCORE.EXE	34
PID 2464 wrote to memory of 2688	2464	NANOCORE.EXE	34
PID 2464 wrote to memory of 2688	2464	NANOCORE.EXE	34

C:\Users\Admin\AppData\Local\Temp\NanoCore-master\sample\NanoCore.exe
"C:\Users\Admin\AppData\Local\Temp\NanoCore-master\sample\NanoCore.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Users\Admin\AppData\Roaming\CRACKED.EXE
  "C:\Users\Admin\AppData\Roaming\CRACKED.EXE"
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2364
- - C:\Users\Admin\AppData\Roaming\MSDCSC\IDMAN.exe
    "C:\Users\Admin\AppData\Roaming\MSDCSC\IDMAN.exe"
    3⤵
    - Modifies firewall policy service
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2360
  - - C:\Windows\SysWOW64\notepad.exe
      notepad
      4⤵
      System Location Discovery: System Language Discovery
      PID:2708
- C:\Users\Admin\AppData\Roaming\NANOCORE.EXE
  "C:\Users\Admin\AppData\Roaming\NANOCORE.EXE"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2464
- - C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
    dw20.exe -x -s 548
    3⤵
    PID:2688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

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

\Users\Admin\AppData\Roaming\CRACKED.EXE

Filesize
659KB

MD5
94c5b3199414b8fca9f134724acdd88e

SHA1
6c95291364476fc10c4e343120225dae72d11233

SHA256
dacd09444e389359d406450312e5fe66a2eb62c5c03948c8e7890303a43ee536

SHA512
5fdbaf9ede009cbfdb13a92ba5c409b1a590b1bc1ddccec45c551deb5e7b7f9ecc57ed0dd1a66c7a38666bd5eb2cab9fc52a18056a5e676c292bab871aa343e1

Download Submit
\Users\Admin\AppData\Roaming\NANOCORE.EXE

Filesize
403KB

MD5
d902fb22b92a7455eeac95712e9c2179

SHA1
8e4e0d0965055517c1ddef8442cf74c4f3d700af

SHA256
58f962401b52e043325cec66d88ad73032165cd0b8c3de1ec95292d83416b81f

SHA512
d097b22e30c20322c30f464dabf5bffeedc3e3728b82911db5f3ba79735915a3bb0fbc4bce65a153f665dc5e04ba93b6000d4230f8610bd17dbe3d625dff4269

Download Submit
memory/2360-78-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2360-74-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2360-82-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2360-81-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2360-69-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2360-70-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2360-71-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2360-72-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2360-73-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2360-80-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2360-75-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2360-76-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2360-77-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2360-79-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2364-68-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2464-15-0x00000000020D0000-0x0000000002150000-memory.dmp

Filesize
512KB

Download
memory/2708-67-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/2708-29-0x00000000000B0000-0x00000000000B1000-memory.dmp

Filesize
4KB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads