39b7573b9bc240aad51b3625f83e5c789c98b93c09371785b51299a1de6d4d26

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
24-01-2024 23:11

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General

Target

731aff420cc4b22597c037889d5784c1.exe
Size

162KB
MD5

731aff420cc4b22597c037889d5784c1
SHA1

908b65a5f3f3d89ceaeed0f3057a8519d219c8f1
SHA256

39b7573b9bc240aad51b3625f83e5c789c98b93c09371785b51299a1de6d4d26
SHA512

79e884b0f7626533bf3a1825038fcacedd7109047361d418b0851f86f5ee5f3cb1412bcf78b6b602ea0f6ec364e74f533df2e400a8f66bf56bd202e0464b1e6e
SSDEEP

3072:O/7UTpCV3eN1mEbdnkdfYTz8oDp3DAFU:O/7GNbmEByYTz/hDA

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2740	cmd.exe

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2540	731aff420cc4b22597c037889d5784c1.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 2740	2540	731aff420cc4b22597c037889d5784c1.exe	28
PID 2540 wrote to memory of 2740	2540	731aff420cc4b22597c037889d5784c1.exe	28
PID 2540 wrote to memory of 2740	2540	731aff420cc4b22597c037889d5784c1.exe	28
PID 2540 wrote to memory of 2740	2540	731aff420cc4b22597c037889d5784c1.exe	28
PID 2540 wrote to memory of 2740	2540	731aff420cc4b22597c037889d5784c1.exe	28
PID 2540 wrote to memory of 2740	2540	731aff420cc4b22597c037889d5784c1.exe	28
PID 2540 wrote to memory of 2740	2540	731aff420cc4b22597c037889d5784c1.exe	28

C:\Users\Admin\AppData\Local\Temp\731aff420cc4b22597c037889d5784c1.exe
"C:\Users\Admin\AppData\Local\Temp\731aff420cc4b22597c037889d5784c1.exe"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /q /c "C:\Users\Admin\AppData\Local\Temp\Wnj..bat" > nul 2> nul
  2⤵
  - Deletes itself
  PID:2740

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\Wnj..bat

Filesize
210B

MD5
834ff056dffaac662c25f42611fdfa6d

SHA1
598fc01621dad6bf9d2fa58c7f852b6aefc557d1

SHA256
1dede7828ec0a153c40b1da06b1f5a0f5e9881f4f13255aa451cf323c61a651d

SHA512
de79b51f8643a57a545328bb1a8c17196f1fec73e117248840a84b3e8a9bb16309f95d5754d5c25a6429113467f755e312596818c699798338d4d4ce0b48c415

Download Submit
memory/2540-0-0x00000000003E0000-0x00000000003F4000-memory.dmp

Filesize
80KB

Download
memory/2540-1-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2540-3-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download