7184a03a164ab3de897966073f42d70122f48d66b4c06dec20dbc7b28cb2518a

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/10/2024, 10:39

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General

Target

Uninstall.exe
Size

51KB
MD5

6620afb9b057dbc24ca2ef2e9ebe96c8
SHA1

372364a790826533a96e9a25d3c141d6fa394665
SHA256

24af6f3386adc008f92d0282cfbf25a5d72f60203f92fcaf611a35f3ef9d2b03
SHA512

32aaaf782a3252bd1579cf82684305b6b0c7dc90e206b2ce8d99703dab814f2b802c8163aae7de14eef746b813ba3500d58b4a2e25833bc9c24d05b8f8bd40a6
SSDEEP

1536:ApgpHzb9dZVX9fHMvG0D3XJbgdLeAyN/8G:WgXdZt9P6D3XJbceAfG

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2744	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
2744	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
1552	Uninstall.exe
2744	Au_.exe
2744	Au_.exe
2744	Au_.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Uninstall.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral5/files/0x000800000001748f-2.dat	nsis_installer_1
behavioral5/files/0x000800000001748f-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 2744	1552	Uninstall.exe	30
PID 1552 wrote to memory of 2744	1552	Uninstall.exe	30
PID 1552 wrote to memory of 2744	1552	Uninstall.exe	30
PID 1552 wrote to memory of 2744	1552	Uninstall.exe	30
PID 1552 wrote to memory of 2744	1552	Uninstall.exe	30
PID 1552 wrote to memory of 2744	1552	Uninstall.exe	30
PID 1552 wrote to memory of 2744	1552	Uninstall.exe	30

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1552
- 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
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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
51KB

MD5
6620afb9b057dbc24ca2ef2e9ebe96c8

SHA1
372364a790826533a96e9a25d3c141d6fa394665

SHA256
24af6f3386adc008f92d0282cfbf25a5d72f60203f92fcaf611a35f3ef9d2b03

SHA512
32aaaf782a3252bd1579cf82684305b6b0c7dc90e206b2ce8d99703dab814f2b802c8163aae7de14eef746b813ba3500d58b4a2e25833bc9c24d05b8f8bd40a6

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