f9358fc3dad20815eb001ba00fb31a392ad3c91b9a781ed8bc5aaf6ccaff6ba6

Analysis

max time kernel
147s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 02:49

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General

Target

251f188c303a7b31b5e55e1c870eb911.exe
Size

996KB
MD5

251f188c303a7b31b5e55e1c870eb911
SHA1

8a62f4d846908103cceff598d1bac86263f8bd17
SHA256

f9358fc3dad20815eb001ba00fb31a392ad3c91b9a781ed8bc5aaf6ccaff6ba6
SHA512

9f891dd516838aa889f8c40ca7f6309b48f14332bce1373f2cd3b17a64c7154bf8fa4ed6a3f44618110f2a9a2480199bc4d72577d7d750c8e5371ab6dacc47cd
SSDEEP

24576:eawtVR5j34FQPkAX7VhAFkWIlWQmXEtRll79P:epxxBXBWIlvm0thBP

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4840	4.exe
1628	systen.exe

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\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	251f188c303a7b31b5e55e1c870eb911.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\system\systen.exe	4.exe
File opened for modification	C:\Windows\system\systen.exe	4.exe
File created	C:\Windows\uninstal.BAT	4.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4840	4.exe
Token: SeDebugPrivilege	1628	systen.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1628	systen.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 4840	5056	251f188c303a7b31b5e55e1c870eb911.exe	91
PID 5056 wrote to memory of 4840	5056	251f188c303a7b31b5e55e1c870eb911.exe	91
PID 5056 wrote to memory of 4840	5056	251f188c303a7b31b5e55e1c870eb911.exe	91
PID 4840 wrote to memory of 2932	4840	4.exe	94
PID 4840 wrote to memory of 2932	4840	4.exe	94
PID 4840 wrote to memory of 2932	4840	4.exe	94
PID 1628 wrote to memory of 4232	1628	systen.exe	93
PID 1628 wrote to memory of 4232	1628	systen.exe	93

C:\Users\Admin\AppData\Local\Temp\251f188c303a7b31b5e55e1c870eb911.exe
"C:\Users\Admin\AppData\Local\Temp\251f188c303a7b31b5e55e1c870eb911.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5056
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4840
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Windows\uninstal.BAT
    3⤵
    PID:2932

C:\Windows\system\systen.exe
C:\Windows\system\systen.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe"
  2⤵
  PID:4232

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe

Filesize
616KB

MD5
aee44e6a85f2e617a26b8524d4d41f8a

SHA1
8b87f98e1d9b57064df9cab7e18b787e5ea0f5b0

SHA256
6bc78da768391c3326ab53b98629390282733595ab533eb7221a75bafabb1803

SHA512
5b75fadd985b811139c82bc642072557d745e2e94ecd86f4b3e82bb001898a2197c5ff153362445b22dedce3837ef09dfce1939d96e3b425b38ea10ca648c9fd

Download Submit
memory/4840-66-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-63-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-40-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-36-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-41-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-42-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-44-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-47-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-48-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-49-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-50-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-52-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-53-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-54-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-55-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-60-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-61-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-62-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-65-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-68-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-69-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-26-0x0000000000400000-0x00000000005B3C80-memory.dmp

Filesize
1.7MB

Download
memory/4840-27-0x00000000021B0000-0x0000000002204000-memory.dmp

Filesize
336KB

Download
memory/4840-28-0x0000000000400000-0x00000000005B3C80-memory.dmp

Filesize
1.7MB

Download
memory/4840-29-0x0000000003470000-0x0000000003471000-memory.dmp

Filesize
4KB

Download
memory/4840-30-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-31-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-32-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-33-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-37-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-38-0x0000000000400000-0x00000000005B3C80-memory.dmp

Filesize
1.7MB

Download
memory/4840-39-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-71-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-45-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-64-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-46-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-51-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-57-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-58-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-56-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-59-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-43-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-67-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/4840-70-0x0000000003460000-0x0000000003560000-memory.dmp

Filesize
1024KB

Download
memory/5056-17-0x0000000003200000-0x0000000003201000-memory.dmp

Filesize
4KB

Download
memory/5056-18-0x00000000031F0000-0x00000000031F1000-memory.dmp

Filesize
4KB

Download
memory/5056-20-0x0000000003250000-0x0000000003251000-memory.dmp

Filesize
4KB

Download
memory/5056-0-0x0000000001000000-0x0000000001109000-memory.dmp

Filesize
1.0MB

Download
memory/5056-19-0x0000000003240000-0x0000000003241000-memory.dmp

Filesize
4KB

Download
memory/5056-2-0x0000000000620000-0x0000000000674000-memory.dmp

Filesize
336KB

Download
memory/5056-13-0x00000000031D0000-0x00000000031D3000-memory.dmp

Filesize
12KB

Download
memory/5056-14-0x0000000000550000-0x0000000000551000-memory.dmp

Filesize
4KB

Download
memory/5056-16-0x0000000003210000-0x0000000003211000-memory.dmp

Filesize
4KB

Download
memory/5056-12-0x00000000031E0000-0x00000000031E1000-memory.dmp

Filesize
4KB

Download
memory/5056-1-0x0000000001000000-0x0000000001109000-memory.dmp

Filesize
1.0MB

Download
memory/5056-15-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/5056-3-0x0000000000D10000-0x0000000000D11000-memory.dmp

Filesize
4KB

Download
memory/5056-11-0x0000000000CE0000-0x0000000000CE1000-memory.dmp

Filesize
4KB

Download
memory/5056-10-0x0000000000D50000-0x0000000000D51000-memory.dmp

Filesize
4KB

Download
memory/5056-8-0x0000000000D30000-0x0000000000D31000-memory.dmp

Filesize
4KB

Download
memory/5056-9-0x0000000000D20000-0x0000000000D21000-memory.dmp

Filesize
4KB

Download
memory/5056-5-0x0000000000D40000-0x0000000000D41000-memory.dmp

Filesize
4KB

Download
memory/5056-7-0x0000000000CC0000-0x0000000000CC1000-memory.dmp

Filesize
4KB

Download
memory/5056-4-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

Filesize
4KB

Download
memory/5056-104-0x0000000001000000-0x0000000001109000-memory.dmp

Filesize
1.0MB

Download
memory/5056-6-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads