0e3e47697539f1773fb53114ab53229c0304d86ed35aec05e5f5bfdf3bd35f9a

Analysis

max time kernel
151s
max time network
91s
platform
windows7_x64
resource
win7-20220414-en
submitted
04-06-2022 19:33

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General

Target

acrord32.dll
Size

972KB
MD5

e0977e26e7b850e20fd94fefc79af65f
SHA1

4a3749c33d235715a84ec4964e1d69d758645a82
SHA256

eef56bfc68959c6eaa66ab6abcaaf8fb54aa5b5a7da0866d97a1effeae0952b8
SHA512

5cc59cf2fe32f325861bdc593ceb71fe7bf348c3a4726418cda1b6a61b2c2da8cf734525f67df7d497592810f38184d8040c3bd62605885f3c140fce254e27ec

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 4 IoCs

flow	pid	Process
3	1672	rundll32.exe
4	1672	rundll32.exe
6	1672	rundll32.exe
7	1672	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: GetForegroundWindowSpam 1 IoCs

pid	Process
2000	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2000	AcroRd32.exe
2000	AcroRd32.exe
2000	AcroRd32.exe
2000	AcroRd32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 1672	2036	rundll32.exe	28
PID 2036 wrote to memory of 1672	2036	rundll32.exe	28
PID 2036 wrote to memory of 1672	2036	rundll32.exe	28
PID 2036 wrote to memory of 1672	2036	rundll32.exe	28
PID 2036 wrote to memory of 1672	2036	rundll32.exe	28
PID 2036 wrote to memory of 1672	2036	rundll32.exe	28
PID 2036 wrote to memory of 1672	2036	rundll32.exe	28
PID 1672 wrote to memory of 2000	1672	rundll32.exe	29
PID 1672 wrote to memory of 2000	1672	rundll32.exe	29
PID 1672 wrote to memory of 2000	1672	rundll32.exe	29
PID 1672 wrote to memory of 2000	1672	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\acrord32.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\acrord32.dll,#1
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of WriteProcessMemory
  PID:1672
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Report of the Secretary-General on Peacebuilding and Sustaining Peace (advance version).pdf"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2000

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\Report of the Secretary-General on Peacebuilding and Sustaining Peace (advance version).pdf

Filesize
936KB

MD5
bc5f2edf0f23957e0fbbcd845c744eb2

SHA1
b0c167333780626ca8bd6b3b2a9fc54f20a59f34

SHA256
54b491541376bda85ffb02b9bb40b9b5adba644f08b630fc1b47392625e1e60a

SHA512
84f8c65a02dfd9db2286df405d711595e62ba114c8f911b30561b90818d579879542c4af09950ca8b8c2a9f82186e1cecc25933c17fef7c41e0fbf158d5ee102

Download Submit
memory/1672-55-0x0000000075521000-0x0000000075523000-memory.dmp

Filesize
8KB

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