74be6c40d1f22f291dd504e97570c7c678ce9e46e32dfd94c94126de75ae21cd

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
02/10/2024, 07:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

uninstall.exe
Size

117KB
MD5

a224dbc05d9558e4ff2dfe4d46a76e94
SHA1

8dec99fedd8379fa1d8dc659324e3bf8c6b757d4
SHA256

42a957607dcfd5d29ea81fb3a53959338d866384eabb96cab345ce8b08da5c98
SHA512

21ee820b0f61108d31717df7e2be7810c6d25837b20a74d38340d1e4d7ad15e726f31c67ef820d6f08c4cbfa1290c46fb4af5b6089b9f2566ae981e10d48b3ff
SSDEEP

1536:HjmS7uQiR7abLJqiX0DImJfQcREYRNAU5xSgiZ9tROEt7mfo3gOj8t1I2rotrXHk:HjhhbyDImJiq+pROc7Xp8t1KE

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4184	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
behavioral20/files/0x000b000000023b77-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3368 wrote to memory of 4184	3368	uninstall.exe	85
PID 3368 wrote to memory of 4184	3368	uninstall.exe	85
PID 3368 wrote to memory of 4184	3368	uninstall.exe	85

C:\Users\Admin\AppData\Local\Temp\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3368
- 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
  - System Location Discovery: System Language Discovery
  PID:4184

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

Loading Replay Monitor...

Downloads

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

Filesize
117KB

MD5
a224dbc05d9558e4ff2dfe4d46a76e94

SHA1
8dec99fedd8379fa1d8dc659324e3bf8c6b757d4

SHA256
42a957607dcfd5d29ea81fb3a53959338d866384eabb96cab345ce8b08da5c98

SHA512
21ee820b0f61108d31717df7e2be7810c6d25837b20a74d38340d1e4d7ad15e726f31c67ef820d6f08c4cbfa1290c46fb4af5b6089b9f2566ae981e10d48b3ff

Download Submit