30e07e1ffb8283f4c30c9bd643e759cf8246bee8e3bfa4de8ea30beac532a68d

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14/05/2024, 14:52

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General

Target

uninstall.exe
Size

33KB
MD5

889515c301e7bfdd6fac809dd3439183
SHA1

bb0902cfc9798a7d1c8e0f3288c8bec0d60bb1fe
SHA256

fb3f23fade8d4c62a85a5d5cb95db292ea1c3a93ecf331ac9da58104a7dde2aa
SHA512

d9dde3b5b69c2c7e1308126c3375aa484943eb3614c04cfc1d2df41a63194e85e62f9391ef72b405c8078e8bb5d220c0f77e5d37c4a08360d321b67af3559f30
SSDEEP

768:dWwSOHQVoQM8ios/aASUsWRs25iUk68v1fT3XJPdE2JRnUWop:EwJOoN1oYaoZ5iV685XJPCTWop

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2284	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
2284	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
2860	uninstall.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
behavioral7/files/0x003800000001566b-5.dat	nsis_installer_1
behavioral7/files/0x003800000001566b-5.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 2284	2860	uninstall.exe	28
PID 2860 wrote to memory of 2284	2860	uninstall.exe	28
PID 2860 wrote to memory of 2284	2860	uninstall.exe	28
PID 2860 wrote to memory of 2284	2860	uninstall.exe	28

C:\Users\Admin\AppData\Local\Temp\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2860
- 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⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2284

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\~nsu.tmp\Au_.exe

Filesize
33KB

MD5
889515c301e7bfdd6fac809dd3439183

SHA1
bb0902cfc9798a7d1c8e0f3288c8bec0d60bb1fe

SHA256
fb3f23fade8d4c62a85a5d5cb95db292ea1c3a93ecf331ac9da58104a7dde2aa

SHA512
d9dde3b5b69c2c7e1308126c3375aa484943eb3614c04cfc1d2df41a63194e85e62f9391ef72b405c8078e8bb5d220c0f77e5d37c4a08360d321b67af3559f30

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