klingon | 29cecf58ac96b5a5a7af77f49154d4abcdeac232758d968da6473c65eb1aff22

Analysis

max time kernel
187s
max time network
208s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
15-06-2022 13:07

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

29cecf58ac96b5a5a7af77f49154d4abcdeac232758d968da6473c65eb1aff22.exe
Size

8.4MB
MD5

382e1fd1e08ca8b6c19b5a0792e23eee
SHA1

1d683f336635ccd7a29b473e8168ba62d3d24e45
SHA256

29cecf58ac96b5a5a7af77f49154d4abcdeac232758d968da6473c65eb1aff22
SHA512

4a701bb7ac9d56205cd2cb6372c73d328e36673fa1a120246f2aeceda3d42357339d9f4731e791f992baf9468e5516da75000bf1a471d07e8709bd5493a6bcb3

Score

10^/10

klingon persistence trojan

Malware Config

Signatures

Klingon
Klingon is a remote access trojan written in Golang with various capabilities.
trojan klingon

Klingon RAT Payload 2 IoCs

resource	yara_rule
behavioral2/files/0x00070000000231d8-132.dat	family_klingon
behavioral2/files/0x00070000000231d8-133.dat	family_klingon

Executes dropped EXE 1 IoCs

pid	Process
1648	updater10.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Updater = "\"C:\\Users\\Admin\\AppData\\Local\\Windows Update\\updater10.exe\" -0 -0"	updater10.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Updater = "\"C:\\Users\\Admin\\AppData\\Local\\Windows Update\\updater10.exe\" -0 -0"	updater10.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
18	api.ipify.org
19	api.ipify.org

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4912	wmic.exe
Token: SeSecurityPrivilege	4912	wmic.exe
Token: SeTakeOwnershipPrivilege	4912	wmic.exe
Token: SeLoadDriverPrivilege	4912	wmic.exe
Token: SeSystemProfilePrivilege	4912	wmic.exe
Token: SeSystemtimePrivilege	4912	wmic.exe
Token: SeProfSingleProcessPrivilege	4912	wmic.exe
Token: SeIncBasePriorityPrivilege	4912	wmic.exe
Token: SeCreatePagefilePrivilege	4912	wmic.exe
Token: SeBackupPrivilege	4912	wmic.exe
Token: SeRestorePrivilege	4912	wmic.exe
Token: SeShutdownPrivilege	4912	wmic.exe
Token: SeDebugPrivilege	4912	wmic.exe
Token: SeSystemEnvironmentPrivilege	4912	wmic.exe
Token: SeRemoteShutdownPrivilege	4912	wmic.exe
Token: SeUndockPrivilege	4912	wmic.exe
Token: SeManageVolumePrivilege	4912	wmic.exe
Token: 33	4912	wmic.exe
Token: 34	4912	wmic.exe
Token: 35	4912	wmic.exe
Token: 36	4912	wmic.exe
Token: SeIncreaseQuotaPrivilege	4912	wmic.exe
Token: SeSecurityPrivilege	4912	wmic.exe
Token: SeTakeOwnershipPrivilege	4912	wmic.exe
Token: SeLoadDriverPrivilege	4912	wmic.exe
Token: SeSystemProfilePrivilege	4912	wmic.exe
Token: SeSystemtimePrivilege	4912	wmic.exe
Token: SeProfSingleProcessPrivilege	4912	wmic.exe
Token: SeIncBasePriorityPrivilege	4912	wmic.exe
Token: SeCreatePagefilePrivilege	4912	wmic.exe
Token: SeBackupPrivilege	4912	wmic.exe
Token: SeRestorePrivilege	4912	wmic.exe
Token: SeShutdownPrivilege	4912	wmic.exe
Token: SeDebugPrivilege	4912	wmic.exe
Token: SeSystemEnvironmentPrivilege	4912	wmic.exe
Token: SeRemoteShutdownPrivilege	4912	wmic.exe
Token: SeUndockPrivilege	4912	wmic.exe
Token: SeManageVolumePrivilege	4912	wmic.exe
Token: 33	4912	wmic.exe
Token: 34	4912	wmic.exe
Token: 35	4912	wmic.exe
Token: 36	4912	wmic.exe
Token: SeIncreaseQuotaPrivilege	4608	WMIC.exe
Token: SeSecurityPrivilege	4608	WMIC.exe
Token: SeTakeOwnershipPrivilege	4608	WMIC.exe
Token: SeLoadDriverPrivilege	4608	WMIC.exe
Token: SeSystemProfilePrivilege	4608	WMIC.exe
Token: SeSystemtimePrivilege	4608	WMIC.exe
Token: SeProfSingleProcessPrivilege	4608	WMIC.exe
Token: SeIncBasePriorityPrivilege	4608	WMIC.exe
Token: SeCreatePagefilePrivilege	4608	WMIC.exe
Token: SeBackupPrivilege	4608	WMIC.exe
Token: SeRestorePrivilege	4608	WMIC.exe
Token: SeShutdownPrivilege	4608	WMIC.exe
Token: SeDebugPrivilege	4608	WMIC.exe
Token: SeSystemEnvironmentPrivilege	4608	WMIC.exe
Token: SeRemoteShutdownPrivilege	4608	WMIC.exe
Token: SeUndockPrivilege	4608	WMIC.exe
Token: SeManageVolumePrivilege	4608	WMIC.exe
Token: 33	4608	WMIC.exe
Token: 34	4608	WMIC.exe
Token: 35	4608	WMIC.exe
Token: 36	4608	WMIC.exe
Token: SeIncreaseQuotaPrivilege	4608	WMIC.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 2724	1456	29cecf58ac96b5a5a7af77f49154d4abcdeac232758d968da6473c65eb1aff22.exe	81
PID 1456 wrote to memory of 2724	1456	29cecf58ac96b5a5a7af77f49154d4abcdeac232758d968da6473c65eb1aff22.exe	81
PID 2724 wrote to memory of 1648	2724	cmd.exe	83
PID 2724 wrote to memory of 1648	2724	cmd.exe	83
PID 1648 wrote to memory of 4912	1648	updater10.exe	84
PID 1648 wrote to memory of 4912	1648	updater10.exe	84
PID 1648 wrote to memory of 4368	1648	updater10.exe	86
PID 1648 wrote to memory of 4368	1648	updater10.exe	86
PID 1648 wrote to memory of 4504	1648	updater10.exe	88
PID 1648 wrote to memory of 4504	1648	updater10.exe	88
PID 4504 wrote to memory of 4608	4504	cmd.exe	90
PID 4504 wrote to memory of 4608	4504	cmd.exe	90
PID 1648 wrote to memory of 4436	1648	updater10.exe	91
PID 1648 wrote to memory of 4436	1648	updater10.exe	91
PID 4436 wrote to memory of 4736	4436	cmd.exe	93
PID 4436 wrote to memory of 4736	4436	cmd.exe	93
PID 1648 wrote to memory of 488	1648	updater10.exe	94
PID 1648 wrote to memory of 488	1648	updater10.exe	94
PID 488 wrote to memory of 3784	488	cmd.exe	96
PID 488 wrote to memory of 3784	488	cmd.exe	96
PID 1648 wrote to memory of 4628	1648	updater10.exe	97
PID 1648 wrote to memory of 4628	1648	updater10.exe	97
PID 1648 wrote to memory of 5052	1648	updater10.exe	99
PID 1648 wrote to memory of 5052	1648	updater10.exe	99
PID 5052 wrote to memory of 1672	5052	cmd.exe	101
PID 5052 wrote to memory of 1672	5052	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\29cecf58ac96b5a5a7af77f49154d4abcdeac232758d968da6473c65eb1aff22.exe
"C:\Users\Admin\AppData\Local\Temp\29cecf58ac96b5a5a7af77f49154d4abcdeac232758d968da6473c65eb1aff22.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Windows\system32\cmd.exe
  cmd /C start "C:\Users\Admin\AppData\Local\Windows Update\updater10.exe" "C:\Users\Admin\AppData\Local\Windows Update\updater10.exe" \"-0\" \"-0\" \"-C:\Users\Admin\AppData\Local\Temp\29cecf58ac96b5a5a7af77f49154d4abcdeac232758d968da6473c65eb1aff22.exe\"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2724
- - C:\Users\Admin\AppData\Local\Windows Update\updater10.exe
    "C:\Users\Admin\AppData\Local\Windows Update\updater10.exe" \"-0\" \"-0\" \"-C:\Users\Admin\AppData\Local\Temp\29cecf58ac96b5a5a7af77f49154d4abcdeac232758d968da6473c65eb1aff22.exe\"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:1648
  - - C:\Windows\System32\Wbem\wmic.exe
      wmic process get Caption,ParentProcessId,ProcessId
      4⤵
      Suspicious use of AdjustPrivilegeToken
      PID:4912
  - - C:\Windows\System32\cmd.exe
      C:\Windows\System32\cmd.exe ver
      4⤵
      PID:4368
  - - C:\Windows\system32\cmd.exe
      cmd /C "wmic /namespace:'\\root\subscription' PATH __EventFilter CREATE Name='GuacBypassFilter', EventNameSpace='root\cimv2', QueryLanguage='WQL', Query='SELECT * FROM __InstanceModificationEvent WITHIN 60 WHERE TargetInstance ISA 'Win32_PerfFormattedData_PerfOS_System''"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4504
    - - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /namespace:'\\root\subscription' PATH __EventFilter CREATE Name='GuacBypassFilter', EventNameSpace='root\cimv2', QueryLanguage='WQL', Query='SELECT * FROM __InstanceModificationEvent WITHIN 60 WHERE TargetInstance ISA 'Win32_PerfFormattedData_PerfOS_System''
        5⤵
        Suspicious use of AdjustPrivilegeToken
        
        PID:4608
  - - C:\Windows\system32\cmd.exe
      cmd /C "wmic /namespace:'\\root\subscription' PATH CommandLineEventConsumer CREATE Name='GuacBypassConsumer', ExecutablePath='\"C:\Users\Admin\AppData\Local\Windows Update\updater10.exe\" -0 -0', CommandLineTemplate='\"C:\Users\Admin\AppData\Local\Windows Update\updater10.exe\" -0 -0'"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4436
    - - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /namespace:'\\root\subscription' PATH CommandLineEventConsumer CREATE Name='GuacBypassConsumer', ExecutablePath='\"C:\Users\Admin\AppData\Local\Windows Update\updater10.exe\" -0 -0', CommandLineTemplate='\"C:\Users\Admin\AppData\Local\Windows Update\updater10.exe\" -0 -0'
        5⤵
        
        PID:4736
  - - C:\Windows\system32\cmd.exe
      cmd /C "wmic /namespace:'\\root\subscription' PATH __FilterToConsumerBinding CREATE Filter='__EventFilter.Name='GuacBypassFilter'', Consumer='CommandLineEventConsumer.Name='GuacBypassConsomer'')"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:488
    - - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /namespace:'\\root\subscription' PATH __FilterToConsumerBinding CREATE Filter='__EventFilter.Name='GuacBypassFilter'', Consumer='CommandLineEventConsumer.Name='GuacBypassConsomer'')
        5⤵
        
        PID:3784
  - - C:\Windows\System32\Wbem\wmic.exe
      wmic process get Caption,ParentProcessId,ProcessId
      4⤵
      PID:4628
  - - C:\Windows\system32\cmd.exe
      cmd /C "wmic /namespace:'\\root\subscription' PATH __EventFilter CREATE Name='GuacBypassFilter', EventNameSpace='root\cimv2', QueryLanguage='WQL', Query='SELECT * FROM __InstanceModificationEvent WITHIN 60 WHERE TargetInstance ISA 'Win32_PerfFormattedData_PerfOS_System''"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:5052
    - - C:\Windows\System32\Wbem\WMIC.exe
        
        wmic /namespace:'\\root\subscription' PATH __EventFilter CREATE Name='GuacBypassFilter', EventNameSpace='root\cimv2', QueryLanguage='WQL', Query='SELECT * FROM __InstanceModificationEvent WITHIN 60 WHERE TargetInstance ISA 'Win32_PerfFormattedData_PerfOS_System''
        5⤵
        
        PID:1672

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Windows Update\updater10.exe

Filesize
8.4MB

MD5
382e1fd1e08ca8b6c19b5a0792e23eee

SHA1
1d683f336635ccd7a29b473e8168ba62d3d24e45

SHA256
29cecf58ac96b5a5a7af77f49154d4abcdeac232758d968da6473c65eb1aff22

SHA512
4a701bb7ac9d56205cd2cb6372c73d328e36673fa1a120246f2aeceda3d42357339d9f4731e791f992baf9468e5516da75000bf1a471d07e8709bd5493a6bcb3

Download Submit
C:\Users\Admin\AppData\Local\Windows Update\updater10.exe

Filesize
8.4MB

MD5
382e1fd1e08ca8b6c19b5a0792e23eee

SHA1
1d683f336635ccd7a29b473e8168ba62d3d24e45

SHA256
29cecf58ac96b5a5a7af77f49154d4abcdeac232758d968da6473c65eb1aff22

SHA512
4a701bb7ac9d56205cd2cb6372c73d328e36673fa1a120246f2aeceda3d42357339d9f4731e791f992baf9468e5516da75000bf1a471d07e8709bd5493a6bcb3

Download Submit