3e88401f9d0f48e4014aa3f14d5f99254dc6c93f815b8f9a3492c260a637db52

Analysis

max time kernel
0s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 21:32

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General

Target

3b1aba8b59423d767a22ffb3a87d9dd4.exe
Size

134KB
MD5

3b1aba8b59423d767a22ffb3a87d9dd4
SHA1

829b9a9d502e0501a075b2403269d8b72fea1a4e
SHA256

3e88401f9d0f48e4014aa3f14d5f99254dc6c93f815b8f9a3492c260a637db52
SHA512

2c5862db625b64546de1c815de727e11eb01a915ad37b4d8ae0c5b51e1163f441155f2c3afdefeedfb80d485a2d38d54d6545871541e76fda5c4e98ff3f0757f
SSDEEP

3072:/nOn7t7XpdpCCTg/sxFgJMeq8KYCC1fIK/xR+Y/fOpA5g3p+XkaW3:/KpdcCrTv8KxCz/N/2pd3h

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4744	downloadmr.exe

Loads dropped DLL 2 IoCs

pid	Process
3400	3b1aba8b59423d767a22ffb3a87d9dd4.exe
3400	3b1aba8b59423d767a22ffb3a87d9dd4.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3400 wrote to memory of 4744	3400	3b1aba8b59423d767a22ffb3a87d9dd4.exe	19
PID 3400 wrote to memory of 4744	3400	3b1aba8b59423d767a22ffb3a87d9dd4.exe	19
PID 3400 wrote to memory of 4744	3400	3b1aba8b59423d767a22ffb3a87d9dd4.exe	19

C:\Users\Admin\AppData\Local\Temp\3b1aba8b59423d767a22ffb3a87d9dd4.exe
"C:\Users\Admin\AppData\Local\Temp\3b1aba8b59423d767a22ffb3a87d9dd4.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3400
- C:\Users\Admin\AppData\Local\Temp\nsw4B24.tmp\downloadmr.exe
  C:\Users\Admin\AppData\Local\Temp\nsw4B24.tmp\downloadmr.exe /e2635477 /u4f45ec55-b378-460f-9ab0-7f6e5bc06f2f
  2⤵
  - Executes dropped EXE
  PID:4744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

memory/3400-34-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/4744-13-0x0000000074CB0000-0x0000000075261000-memory.dmp

Filesize
5.7MB

Download
memory/4744-14-0x0000000074CB0000-0x0000000075261000-memory.dmp

Filesize
5.7MB

Download
memory/4744-15-0x0000000000E20000-0x0000000000E30000-memory.dmp

Filesize
64KB

Download
memory/4744-27-0x0000000000E20000-0x0000000000E30000-memory.dmp

Filesize
64KB

Download
memory/4744-26-0x0000000000E20000-0x0000000000E30000-memory.dmp

Filesize
64KB

Download
memory/4744-28-0x0000000000E20000-0x0000000000E30000-memory.dmp

Filesize
64KB

Download
memory/4744-30-0x0000000074CB0000-0x0000000075261000-memory.dmp

Filesize
5.7MB

Download