aa5c23bffe92e7df946e1c59423bb1e5978043d0e7e38aeb4f7ae6924b9dc557

Analysis

max time kernel
140s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
12/10/2022, 17:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

aa5c23bffe92e7df946e1c59423bb1e5978043d0e7e38aeb4f7ae6924b9dc557.exe
Size

107KB
MD5

663d6f1455e3eeac90b58a208c3172f0
SHA1

b23639f4693e88d53d43c9869b06a3f39014ebd2
SHA256

aa5c23bffe92e7df946e1c59423bb1e5978043d0e7e38aeb4f7ae6924b9dc557
SHA512

d892d1935a373584e585f252147a5ad99d28909e8a9c8089096f1d3bb05890e9d8061be5a2ac7c9479000cfa7147f9bac31a041a1ed4d787cb02ba55b359dc52
SSDEEP

3072:IgXdZt9P6D3XJbC1PVTMF+LGT02bVcu+HZN+p5q:Ie344hio0fbVc5HZN+p5q

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/0x0008000000022e6b-133.dat	acprotect
behavioral2/files/0x0008000000022e6b-134.dat	acprotect

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0008000000022e6b-133.dat	upx
behavioral2/files/0x0008000000022e6b-134.dat	upx
behavioral2/memory/1576-135-0x0000000000400000-0x000000000042A000-memory.dmp	upx
behavioral2/memory/1576-136-0x0000000000400000-0x000000000042A000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
1576	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 use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 1576	2524	aa5c23bffe92e7df946e1c59423bb1e5978043d0e7e38aeb4f7ae6924b9dc557.exe	83
PID 2524 wrote to memory of 1576	2524	aa5c23bffe92e7df946e1c59423bb1e5978043d0e7e38aeb4f7ae6924b9dc557.exe	83
PID 2524 wrote to memory of 1576	2524	aa5c23bffe92e7df946e1c59423bb1e5978043d0e7e38aeb4f7ae6924b9dc557.exe	83

C:\Users\Admin\AppData\Local\Temp\aa5c23bffe92e7df946e1c59423bb1e5978043d0e7e38aeb4f7ae6924b9dc557.exe
"C:\Users\Admin\AppData\Local\Temp\aa5c23bffe92e7df946e1c59423bb1e5978043d0e7e38aeb4f7ae6924b9dc557.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2524
- 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:1576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1576 -ip 1576
1⤵
PID:4724

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

Loading Replay Monitor...

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/1576-135-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download
memory/1576-136-0x0000000000400000-0x000000000042A000-memory.dmp

Filesize
168KB

Download