cf372460f9972f75b635ca1605d97d7ad1b22ac3adab4fda027d2041bac59305

Analysis

max time kernel
149s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-08-2024 01:23

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General

Target

Uninstall.exe
Size

49KB
MD5

78d2257a022dabc1bb01486d2b7e65ac
SHA1

db2e7614898a0036b07f9cd5170978481ed66719
SHA256

6e254e1d508002f55cab5dacf991a32f698f057635e5d35544135d383d63fd90
SHA512

9f800cdf560f6b6b79d6a159595f5180fe812b2b81d9492d31c765fb77f9e31997fbc8fb400670114ec50b7c4d5d616ce102ad533a3a2227929c58136d8bc1a8
SSDEEP

1536:DRf1o2Ca7qiagSshdS0D6mJjgdLeAyNLdv:Dpj7EUbD6mJjceAa

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4400	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
behavioral24/files/0x00080000000234e0-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 4400	2716	Uninstall.exe	84
PID 2716 wrote to memory of 4400	2716	Uninstall.exe	84
PID 2716 wrote to memory of 4400	2716	Uninstall.exe	84

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:2716
- 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:4400

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
49KB

MD5
78d2257a022dabc1bb01486d2b7e65ac

SHA1
db2e7614898a0036b07f9cd5170978481ed66719

SHA256
6e254e1d508002f55cab5dacf991a32f698f057635e5d35544135d383d63fd90

SHA512
9f800cdf560f6b6b79d6a159595f5180fe812b2b81d9492d31c765fb77f9e31997fbc8fb400670114ec50b7c4d5d616ce102ad533a3a2227929c58136d8bc1a8

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