c59a7e16b84945781ed1ce766d613e0badfed0daa0b6cd4278c162dc62dee1e8

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2022 10:37

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General

Target

c59a7e16b84945781ed1ce766d613e0badfed0daa0b6cd4278c162dc62dee1e8.dll
Size

53KB
MD5

0ec7ea4dd674221ff9aeb6bfc05304b0
SHA1

e8aeb80d70cf3b83fe17c61ec42c810b956741a4
SHA256

c59a7e16b84945781ed1ce766d613e0badfed0daa0b6cd4278c162dc62dee1e8
SHA512

89a03bc466e8c28d76bf998e8395ebcbcaae757c598b02c080d0b2be918f6d462d8e58dc4958392724619457a44e088361c69910b20e995f36e92079441c2daf
SSDEEP

1536:ABrgz8l2IrToT+VA1wh4anbPKeyCsYnouy8M:CkRIrpAu4SG3qoutM

Score

9^/10

persistence upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0006000000022e33-135.dat	acprotect
behavioral2/files/0x0006000000022e33-136.dat	acprotect

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2536-133-0x0000000010000000-0x0000000010032000-memory.dmp	upx
behavioral2/files/0x0006000000022e33-135.dat	upx
behavioral2/files/0x0006000000022e33-136.dat	upx
behavioral2/memory/4348-137-0x0000000010000000-0x0000000010032000-memory.dmp	upx
behavioral2/memory/2536-138-0x0000000010000000-0x0000000010032000-memory.dmp	upx
behavioral2/memory/4348-139-0x0000000010000000-0x0000000010032000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
4348	rundll32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\360Update = "rundll32 \"C:\\Users\\Admin\\AppData\\Local\\360data\\unbaseder.dll\",_RunAs@16"	rundll32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2536	rundll32.exe
2536	rundll32.exe
2536	rundll32.exe
2536	rundll32.exe
2536	rundll32.exe
2536	rundll32.exe
2536	rundll32.exe
2536	rundll32.exe
2536	rundll32.exe
2536	rundll32.exe
2536	rundll32.exe
2536	rundll32.exe
2536	rundll32.exe
2536	rundll32.exe
2536	rundll32.exe
2536	rundll32.exe
2536	rundll32.exe
2536	rundll32.exe
2536	rundll32.exe
2536	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe
4348	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 2536	1056	rundll32.exe	77
PID 1056 wrote to memory of 2536	1056	rundll32.exe	77
PID 1056 wrote to memory of 2536	1056	rundll32.exe	77
PID 2536 wrote to memory of 4348	2536	rundll32.exe	78
PID 2536 wrote to memory of 4348	2536	rundll32.exe	78
PID 2536 wrote to memory of 4348	2536	rundll32.exe	78

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c59a7e16b84945781ed1ce766d613e0badfed0daa0b6cd4278c162dc62dee1e8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1056
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c59a7e16b84945781ed1ce766d613e0badfed0daa0b6cd4278c162dc62dee1e8.dll,#1
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2536
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32 "C:\Users\Admin\AppData\Local\360data\unbaseder.dll",_RunAs@16
    3⤵
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    PID:4348

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\360data\unbaseder.dll

Filesize
53KB

MD5
0ec7ea4dd674221ff9aeb6bfc05304b0

SHA1
e8aeb80d70cf3b83fe17c61ec42c810b956741a4

SHA256
c59a7e16b84945781ed1ce766d613e0badfed0daa0b6cd4278c162dc62dee1e8

SHA512
89a03bc466e8c28d76bf998e8395ebcbcaae757c598b02c080d0b2be918f6d462d8e58dc4958392724619457a44e088361c69910b20e995f36e92079441c2daf

Download Submit
C:\Users\Admin\AppData\Local\360data\unbaseder.dll

Filesize
53KB

MD5
0ec7ea4dd674221ff9aeb6bfc05304b0

SHA1
e8aeb80d70cf3b83fe17c61ec42c810b956741a4

SHA256
c59a7e16b84945781ed1ce766d613e0badfed0daa0b6cd4278c162dc62dee1e8

SHA512
89a03bc466e8c28d76bf998e8395ebcbcaae757c598b02c080d0b2be918f6d462d8e58dc4958392724619457a44e088361c69910b20e995f36e92079441c2daf

Download Submit
memory/2536-133-0x0000000010000000-0x0000000010032000-memory.dmp

Filesize
200KB

Download
memory/2536-138-0x0000000010000000-0x0000000010032000-memory.dmp

Filesize
200KB

Download
memory/4348-137-0x0000000010000000-0x0000000010032000-memory.dmp

Filesize
200KB

Download
memory/4348-139-0x0000000010000000-0x0000000010032000-memory.dmp

Filesize
200KB

Download