426f76f5a77d7967b3ed13065f560d4dc44179c68456df2af7a1afaf95fb7108

Analysis

max time kernel
31s
max time network
170s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 08:17

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General

Target

5f1aeb632c888b0e4f29e0bb514c4e83.exe
Size

142KB
MD5

5f1aeb632c888b0e4f29e0bb514c4e83
SHA1

f63feb63cff7cbea447dc83de302a61e7840922a
SHA256

426f76f5a77d7967b3ed13065f560d4dc44179c68456df2af7a1afaf95fb7108
SHA512

40d8fc5d4b07add580362400ac6cb63871de78aea4135f5dc66a76ec4a9864ce6a9f921d6effb554012a79aab293d0022a95a0c5b0c5dab7924d04e3cc039832
SSDEEP

3072:ynOn7t7XpdpCCTg/sxFgJKeqgKJ+BCGCfZo4mlrBAdtf3Ht9:yKpdcCrTdgKTfaJjAzD

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2612	downloadmr.exe

Loads dropped DLL 2 IoCs

pid	Process
4752	5f1aeb632c888b0e4f29e0bb514c4e83.exe
4752	5f1aeb632c888b0e4f29e0bb514c4e83.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 4752 wrote to memory of 2612	4752	5f1aeb632c888b0e4f29e0bb514c4e83.exe	91
PID 4752 wrote to memory of 2612	4752	5f1aeb632c888b0e4f29e0bb514c4e83.exe	91
PID 4752 wrote to memory of 2612	4752	5f1aeb632c888b0e4f29e0bb514c4e83.exe	91

C:\Users\Admin\AppData\Local\Temp\5f1aeb632c888b0e4f29e0bb514c4e83.exe
"C:\Users\Admin\AppData\Local\Temp\5f1aeb632c888b0e4f29e0bb514c4e83.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4752
- C:\Users\Admin\AppData\Local\Temp\nsfEB3D.tmp\downloadmr.exe
  C:\Users\Admin\AppData\Local\Temp\nsfEB3D.tmp\downloadmr.exe /u4e820da5-3514-4c8f-ba03-600d5bc06f2f /e1948714
  2⤵
  - Executes dropped EXE
  PID:2612

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

C:\Users\Admin\AppData\Local\Temp\nsfEB3D.tmp\System.dll

Filesize
21KB

MD5
5ebc73650256e9c8ddbcda231db829a1

SHA1
988d4535e18754ab2a6248abae96c5697d7dbcd5

SHA256
1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

SHA512
b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

Download Submit
memory/2612-13-0x00000000744D0000-0x0000000074A81000-memory.dmp

Filesize
5.7MB

Download
memory/2612-14-0x00000000744D0000-0x0000000074A81000-memory.dmp

Filesize
5.7MB

Download
memory/2612-15-0x0000000001280000-0x0000000001290000-memory.dmp

Filesize
64KB

Download
memory/2612-17-0x0000000001280000-0x0000000001290000-memory.dmp

Filesize
64KB

Download
memory/2612-16-0x0000000001280000-0x0000000001290000-memory.dmp

Filesize
64KB

Download
memory/2612-18-0x0000000001280000-0x0000000001290000-memory.dmp

Filesize
64KB

Download
memory/2612-20-0x00000000744D0000-0x0000000074A81000-memory.dmp

Filesize
5.7MB

Download
memory/4752-24-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download