9f9feb134cccf9e3459d5ef069492d087dc1fd3c55733a7b834ee774f4a8212d

Analysis

max time kernel
121s
max time network
128s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
13/03/2024, 15:43

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General

Target

Uninstall.exe
Size

49KB
MD5

17d26456e2193d92b7b358dc94826466
SHA1

46fb42333ab077a3654200d22c7b5430461d737f
SHA256

995289bc7564d80277a3853e27f43d13dc19639ddb6c3613cbd25dc57b5398bb
SHA512

a9507f916c3b8344b83bf7b34116a80dae54951a8929cd1e24612eba84c2eadf7e169d07120575479c369f7dacc497caa8c1b9555f9bbab7e8fd6d5bc64b141c
SSDEEP

1536:DRf1o2Ca7qiagSshdS0D6mJjgdLeAyNLuu:Dpj7EUbD6mJjceAo

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2824	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
1092	Uninstall.exe
2824	Au_.exe
2824	Au_.exe
2824	Au_.exe

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

System Information Discovery
T1082

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral23/files/0x0009000000015c4e-2.dat	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2824	Au_.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1092 wrote to memory of 2824	1092	Uninstall.exe	28
PID 1092 wrote to memory of 2824	1092	Uninstall.exe	28
PID 1092 wrote to memory of 2824	1092	Uninstall.exe	28
PID 1092 wrote to memory of 2824	1092	Uninstall.exe	28
PID 1092 wrote to memory of 2824	1092	Uninstall.exe	28
PID 1092 wrote to memory of 2824	1092	Uninstall.exe	28
PID 1092 wrote to memory of 2824	1092	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:1092
- 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:2824

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
49KB

MD5
17d26456e2193d92b7b358dc94826466

SHA1
46fb42333ab077a3654200d22c7b5430461d737f

SHA256
995289bc7564d80277a3853e27f43d13dc19639ddb6c3613cbd25dc57b5398bb

SHA512
a9507f916c3b8344b83bf7b34116a80dae54951a8929cd1e24612eba84c2eadf7e169d07120575479c369f7dacc497caa8c1b9555f9bbab7e8fd6d5bc64b141c

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