863fc4876d07f9645cdca20416cf497e05f80065676bd1fea4f22ef8e8b25b83

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/05/2024, 08:39

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General

Target

uninst.exe
Size

58KB
MD5

563aef830092016df25a7005aba45eb0
SHA1

d47a84b46006fc5d9adabb27b0aba10d5e04c830
SHA256

0843de2d2e818d7b4659f4d5e49c6bdc3d81afe1662bd989712a766d84bfa86a
SHA512

014c9ad6dd73935777d29d3f941f1dbf7abc5cff3f99816ef8157c801ff520bdb49085a94e162b55ca6d867678fd74c80e05b4bf65630e96acc3432554d5c59a
SSDEEP

768:H1cVhpQI2EQK0iPDh84nScF15GYbWjXO3XJMcy65HsplKZvcRxOCySiKuIOi8OVr:VQpQ5EP0ijnRTXJt0RyVTIO2C7Km8

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2324	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
2932	uninst.exe
2324	Au_.exe
2324	Au_.exe
2324	Au_.exe

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

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral23/files/0x0006000000016cc9-2.dat	nsis_installer_1
behavioral23/files/0x0006000000016cc9-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2324	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2324	2932	uninst.exe	28
PID 2932 wrote to memory of 2324	2932	uninst.exe	28
PID 2932 wrote to memory of 2324	2932	uninst.exe	28
PID 2932 wrote to memory of 2324	2932	uninst.exe	28
PID 2932 wrote to memory of 2324	2932	uninst.exe	28
PID 2932 wrote to memory of 2324	2932	uninst.exe	28
PID 2932 wrote to memory of 2324	2932	uninst.exe	28

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
  "C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2324

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

\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe

Filesize
58KB

MD5
563aef830092016df25a7005aba45eb0

SHA1
d47a84b46006fc5d9adabb27b0aba10d5e04c830

SHA256
0843de2d2e818d7b4659f4d5e49c6bdc3d81afe1662bd989712a766d84bfa86a

SHA512
014c9ad6dd73935777d29d3f941f1dbf7abc5cff3f99816ef8157c801ff520bdb49085a94e162b55ca6d867678fd74c80e05b4bf65630e96acc3432554d5c59a

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