cfc5c3662c08d7d09c7f6e47837cc2dad652d333137cc38e2f72cd4e431afd36

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
29/05/2024, 19:58

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General

Target

Uninstall.exe
Size

102KB
MD5

726f602c6e43f939885da35fdc57bdfd
SHA1

9e649e421d39f7f1c1496be1d23cbd322094d0b3
SHA256

a182c0d458ebf02d496d47ea69579ed72b41c9ca9bf3cfffffbbe3265a229281
SHA512

51f9676ee196f289471464ebe8650e8d48068840e0e77f70ed9cd571f95e43ad2a94da71cf0794eee17b140f72e47afd4cb146bb4a67c78cad2e434739cabb85
SSDEEP

1536:ipgpHzb9dZVX9fHMvG0D3XJJgdLeAyNJMyq8O00Es0ytbxuoYAtPLdf+qVZBZJDA:ggXdZt9P6D3XJJceAU2qoLPLdf+wnZ45

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2988	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
2912	Uninstall.exe
2988	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
behavioral9/files/0x0038000000014709-2.dat	nsis_installer_1
behavioral9/files/0x0038000000014709-2.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2988	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 2988	2912	Uninstall.exe	28
PID 2912 wrote to memory of 2988	2912	Uninstall.exe	28
PID 2912 wrote to memory of 2988	2912	Uninstall.exe	28
PID 2912 wrote to memory of 2988	2912	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:2912
- 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:2988

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\nsd10B4.tmp\LangDLL.dll

Filesize
5KB

MD5
9384f4007c492d4fa040924f31c00166

SHA1
aba37faef30d7c445584c688a0b5638f5db31c7b

SHA256
60a964095af1be79f6a99b22212fefe2d16f5a0afd7e707d14394e4143e3f4f5

SHA512
68f158887e24302673227adffc688fd3edabf097d7f5410f983e06c6b9c7344ca1d8a45c7fa05553adcc5987993df3a298763477168d4842e554c4eb93b9aaaf

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

Filesize
102KB

MD5
726f602c6e43f939885da35fdc57bdfd

SHA1
9e649e421d39f7f1c1496be1d23cbd322094d0b3

SHA256
a182c0d458ebf02d496d47ea69579ed72b41c9ca9bf3cfffffbbe3265a229281

SHA512
51f9676ee196f289471464ebe8650e8d48068840e0e77f70ed9cd571f95e43ad2a94da71cf0794eee17b140f72e47afd4cb146bb4a67c78cad2e434739cabb85

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