d11d6f31d9a4924d3343cbea0d4a6bdb6d75ba51b5da7bd26e08faa43fa9fce1

Analysis

max time kernel
104s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
01/04/2025, 16:59

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General

Target

$PROGRAMFILES/$0/Uninstall.exe
Size

39KB
MD5

b00d9555beebee772ff76df77cee661c
SHA1

7d0c978469a6eed6259f6fdb274ecdab738c809d
SHA256

566ab6e2b892c0a95e9957df7bfae01971daaecb95cfc254dfdac956ada8cdc1
SHA512

832d95c3983e0db2c87581f9f5bdb73080fa78d56f6e00c46e1ae6fd5c70a0f2a48a0f3eb91d184baeb7eb3a47580f67aafe769dee37bcd90f0c24a6fcead1be
SSDEEP

768:r/gUpAudwtjpQaCyMRiNH/buv1dTm61pF/O71mJEbOTVbcDoCdii:kUiudwBp3CyM8HsWmJ4OTVQBdii

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4108	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
4108	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 1 IoCs

installer

resource	yara_rule
behavioral4/files/0x00070000000240ca-4.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4712 wrote to memory of 4108	4712	Uninstall.exe	87
PID 4712 wrote to memory of 4108	4712	Uninstall.exe	87
PID 4712 wrote to memory of 4108	4712	Uninstall.exe	87

C:\Users\Admin\AppData\Local\Temp\$PROGRAMFILES\$0\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\$PROGRAMFILES\$0\Uninstall.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4712
- 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\$PROGRAMFILES\$0\
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4108

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

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

Filesize
39KB

MD5
b00d9555beebee772ff76df77cee661c

SHA1
7d0c978469a6eed6259f6fdb274ecdab738c809d

SHA256
566ab6e2b892c0a95e9957df7bfae01971daaecb95cfc254dfdac956ada8cdc1

SHA512
832d95c3983e0db2c87581f9f5bdb73080fa78d56f6e00c46e1ae6fd5c70a0f2a48a0f3eb91d184baeb7eb3a47580f67aafe769dee37bcd90f0c24a6fcead1be

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