b475b1c3b6da68016708ca70679ce8fb1d7e6f2c76ab665c7db146861508f234

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
21/08/2024, 10:06

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General

Target

Uninstall.exe
Size

55KB
MD5

96ccef85f43ce46303d20fce82891304
SHA1

ed45a195177662f2f429ff08c26c55753b6112bd
SHA256

ca114ec3f5b3851b6ae06ad891a428a2605f032c83df8294a17254c8d85a0402
SHA512

4d9b3eab2053b9e05aeed26ae853559ce9fadf90b5f4391d5262b84bdcdf9bfb2f56a1dbf11ad1c99b501eb08dc021fcc4662e4d4c27f1d5f9d9ff1e439b48fd
SSDEEP

1536:dYTmwVUsW7dtJMHy0DxmJOgdLeAyNzyjdt:+S17XJiDxmJOceAZZt

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2184	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
2408	Uninstall.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/0x00050000000196b0-5.dat	nsis_installer_1
behavioral5/files/0x00050000000196b0-5.dat	nsis_installer_2

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2184	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 2184	2408	Uninstall.exe	30
PID 2408 wrote to memory of 2184	2408	Uninstall.exe	30
PID 2408 wrote to memory of 2184	2408	Uninstall.exe	30
PID 2408 wrote to memory of 2184	2408	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:2408
- 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
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2184

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
55KB

MD5
96ccef85f43ce46303d20fce82891304

SHA1
ed45a195177662f2f429ff08c26c55753b6112bd

SHA256
ca114ec3f5b3851b6ae06ad891a428a2605f032c83df8294a17254c8d85a0402

SHA512
4d9b3eab2053b9e05aeed26ae853559ce9fadf90b5f4391d5262b84bdcdf9bfb2f56a1dbf11ad1c99b501eb08dc021fcc4662e4d4c27f1d5f9d9ff1e439b48fd

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