b182a0b9f7aaac1a0129a6a21c1b29f0f2ce99cfb0b7de6922d922f9d4067695

Analysis

max time kernel
92s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
07/12/2022, 00:41

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General

Target

b182a0b9f7aaac1a0129a6a21c1b29f0f2ce99cfb0b7de6922d922f9d4067695.exe
Size

107KB
MD5

a8b27e2851c66b2bedf526a190ff5b18
SHA1

83c7b396b31394e099ceece18663c7b54bcefb24
SHA256

b182a0b9f7aaac1a0129a6a21c1b29f0f2ce99cfb0b7de6922d922f9d4067695
SHA512

f48162fb2a4f7441097eace0bd71becf0691b508313d30a7b03e154f0058d24eefa3f9ad7bfdd954857c8ee377ece9f6c37b287f8c7441fd9905b86eaef73c9c
SSDEEP

3072:IgXdZt9P6D3XJbCqPVTMF+LGT02bVcu+HZN+p5Z:Ie344Sio0fbVc5HZN+p5Z

Score

9^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0009000000022f67-133.dat	acprotect
behavioral2/files/0x0009000000022f67-134.dat	acprotect

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0009000000022f67-133.dat	upx
behavioral2/files/0x0009000000022f67-134.dat	upx
behavioral2/memory/2376-135-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
2376	rundll32.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4216	2376	WerFault.exe	78

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 2376	1684	b182a0b9f7aaac1a0129a6a21c1b29f0f2ce99cfb0b7de6922d922f9d4067695.exe	78
PID 1684 wrote to memory of 2376	1684	b182a0b9f7aaac1a0129a6a21c1b29f0f2ce99cfb0b7de6922d922f9d4067695.exe	78
PID 1684 wrote to memory of 2376	1684	b182a0b9f7aaac1a0129a6a21c1b29f0f2ce99cfb0b7de6922d922f9d4067695.exe	78

C:\Users\Admin\AppData\Local\Temp\b182a0b9f7aaac1a0129a6a21c1b29f0f2ce99cfb0b7de6922d922f9d4067695.exe
"C:\Users\Admin\AppData\Local\Temp\b182a0b9f7aaac1a0129a6a21c1b29f0f2ce99cfb0b7de6922d922f9d4067695.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\miniloader.dll",Install C:\Users\Admin\AppData\Local\Temp\activate.dat
  2⤵
  - Loads dropped DLL
  PID:2376
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 580
    3⤵
    - Program crash
    PID:4216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2376 -ip 2376
1⤵
PID:1712

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\Temp\miniloader.dll

Filesize
76KB

MD5
a3fa5c73d9efda1ac7f9b70d08387e46

SHA1
900af6dc41e846ce84e5e692b53f732aadcc074e

SHA256
c30c903a0b7068ab021af249c762e56aff6778c85957b397892c1aa7bc6332b5

SHA512
e1b6d46be75ce15ca46ee2740e39cdb1a292faf1c31b907f9a8c509e4207931b597ccc24cde9b0b56341cc69caba8da4e5ec1c6840c84097bd07c9af2cec6b5d

Download Submit
C:\Users\Admin\AppData\Local\Temp\miniloader.dll

Filesize
76KB

MD5
a3fa5c73d9efda1ac7f9b70d08387e46

SHA1
900af6dc41e846ce84e5e692b53f732aadcc074e

SHA256
c30c903a0b7068ab021af249c762e56aff6778c85957b397892c1aa7bc6332b5

SHA512
e1b6d46be75ce15ca46ee2740e39cdb1a292faf1c31b907f9a8c509e4207931b597ccc24cde9b0b56341cc69caba8da4e5ec1c6840c84097bd07c9af2cec6b5d

Download Submit
memory/2376-135-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

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