d8bdfa2119d155d4991d50c8f7510a38365e193bdf1e0a0f432aa0efdc65a04c

Analysis

max time kernel
140s
max time network
124s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
11-03-2024 01:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d8bdfa2119d155d4991d50c8f7510a38365e193bdf1e0a0f432aa0efdc65a04c.dll
Size

76KB
MD5

cbc707024cfa5ff9790bb2426a5634db
SHA1

c6eda2b4d09a0c94e47dfa24ee39b2bc50f4773c
SHA256

d8bdfa2119d155d4991d50c8f7510a38365e193bdf1e0a0f432aa0efdc65a04c
SHA512

94f00554037f61c56b5228c6d1679d4d024507135d4a69e355c320a6e0d9a17285935c437327bd80e0ff777641b6a516b4dcff434da977333c393401340dbfa9
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZU/iC8GrQ:c8y93KQjy7G55riF1cMo03fCZQ

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral1/memory/2728-0-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral1/memory/2728-2-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral1/memory/2728-3-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral1/memory/2728-1-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral1/memory/2728-4-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2728-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2728-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2728-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2728-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2728-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2952	2728	WerFault.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2728	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2728	2324	rundll32.exe	28
PID 2324 wrote to memory of 2728	2324	rundll32.exe	28
PID 2324 wrote to memory of 2728	2324	rundll32.exe	28
PID 2324 wrote to memory of 2728	2324	rundll32.exe	28
PID 2324 wrote to memory of 2728	2324	rundll32.exe	28
PID 2324 wrote to memory of 2728	2324	rundll32.exe	28
PID 2324 wrote to memory of 2728	2324	rundll32.exe	28
PID 2728 wrote to memory of 2952	2728	rundll32.exe	29
PID 2728 wrote to memory of 2952	2728	rundll32.exe	29
PID 2728 wrote to memory of 2952	2728	rundll32.exe	29
PID 2728 wrote to memory of 2952	2728	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8bdfa2119d155d4991d50c8f7510a38365e193bdf1e0a0f432aa0efdc65a04c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d8bdfa2119d155d4991d50c8f7510a38365e193bdf1e0a0f432aa0efdc65a04c.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2728
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2728 -s 308
    3⤵
    - Program crash
    PID:2952

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

Loading Replay Monitor...

Downloads

memory/2728-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2728-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2728-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2728-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2728-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download