5593eeac10527b135b7ecbbbedf6c2d9e5c8a36c9ff078b077ae0e3087f7b45e

Analysis

max time kernel
127s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
30-08-2023 08:42

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General

Target

KillShutup.exe
Size

154KB
MD5

aca60475fb5d1a070301d45786c999fe
SHA1

6b5c65c4d1ca940bbba1e31d98771b50647dbcb3
SHA256

5593eeac10527b135b7ecbbbedf6c2d9e5c8a36c9ff078b077ae0e3087f7b45e
SHA512

4859b3d7487cd72ededea2a9470fcb832c403193f7b207a24c2c506007981c58340eb05e4a128bab869a3d90bdf27206ef3e8932784bc28e411793c4b0ca6938
SSDEEP

3072:TahKyd2n31W5GWp1icKAArDZz4N9GhbkrNEk1YT:TahO+p0yN90QEr

Score

6^/10

persistence

Malware Config

Signatures

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\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	KillShutup.exe

Kills process with taskkill 2 IoCs

evasion

pid	Process
4436	taskkill.exe
4168	taskkill.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4436	taskkill.exe
Token: SeDebugPrivilege	4168	taskkill.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1592 wrote to memory of 2928	1592	KillShutup.exe	82
PID 1592 wrote to memory of 2928	1592	KillShutup.exe	82
PID 2928 wrote to memory of 4436	2928	cmd.exe	84
PID 2928 wrote to memory of 4436	2928	cmd.exe	84
PID 1592 wrote to memory of 228	1592	KillShutup.exe	86
PID 1592 wrote to memory of 228	1592	KillShutup.exe	86
PID 228 wrote to memory of 4168	228	cmd.exe	88
PID 228 wrote to memory of 4168	228	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\KillShutup.exe
"C:\Users\Admin\AppData\Local\Temp\KillShutup.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1592
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\LAUNCH~1.CMD
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2928
- - C:\Windows\system32\taskkill.exe
    taskkill /f /im cmd.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4436
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BOXKIL~1.CMD
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:228
- - C:\Windows\system32\taskkill.exe
    taskkill /f /im wscript.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4168

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BOXKIL~1.CMD

Filesize
27B

MD5
deef6cba098340511727029356c2d5a0

SHA1
60dddf4bf198b0d75acd63c21905b89a80d67044

SHA256
f68e4cc3fa1d7b7a691c2f2ad46a43c5fb8a3d335751429782c2112b12f1617a

SHA512
0329e90d503ab140ce532236c4efe9aa6b85758bb4da619491db02d90b3ca9bd8b2502fddff36c3d89e78d11c510475c88640555c2176efafd0f0158a485d5d3

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C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\LAUNCH~1.CMD

Filesize
23B

MD5
ee18bd31559ff88e6ca9e0bceb63fd83

SHA1
e2ac7247b524b6eb49bf3c80fe6022d7cdac8ff5

SHA256
a80820cb7208ae69c13a907eb45525a96b9b76cf470adf15e3445b1e2235ab8c

SHA512
916355380766ec1b28d61dc55c7b4d8124f25d1221048ce23f7670d86251572c34b5e05613e2d02e7ccaf98a107d5d587d57586183fb0f4e9071369fc993e981

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads