a33f56d05b03c4bb75c972f8ddbb69b7a815484bee117a63c16b4c8dfca1543a

Analysis

max time kernel
107s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
10/03/2023, 22:09

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General

Target

a33f56d05b03c4bb75c972f8ddbb69b7a815484bee117a63c16b4c8dfca1543a.dll
Size

5.6MB
MD5

58f99b07c5fa365700193f441a53963b
SHA1

2d5d46b5b80ad842c462d1ade5fbdb6822f38735
SHA256

a33f56d05b03c4bb75c972f8ddbb69b7a815484bee117a63c16b4c8dfca1543a
SHA512

86d29496c2653fd6b962013ff567efb5dc0bfecc6f51f6b6275a7d16bc9533e34c444bd76efae1ebed11a27f40726d167a32fea74d7b73d1a147da66ec7e3611
SSDEEP

98304:z/q6lOv0yBTBGj+GQw/7CbM8NWT/riv9HN9zX:z/q6lOv0yBT+dCbM8NWT/elnX

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
7	1728	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
2768	1728	WerFault.exe	48

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe
1728	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a33f56d05b03c4bb75c972f8ddbb69b7a815484bee117a63c16b4c8dfca1543a.dll,#1
1⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:1728
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 1728 -s 508
  2⤵
  - Program crash
  PID:2768

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 360 -p 1728 -ip 1728
1⤵
PID:1552

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

Windows 7 deprecation

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