a71007cfe2d5974eeffaf5b54a805007625ce3f2c5f617cf44cfcf3de77c0131

Analysis

max time kernel
139s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/08/2024, 19:45

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General

Target

$PROGRAMFILES/1ClickDownload/$PROGRAMFILES/1ClickDownload/uninst.exe
Size

46KB
MD5

ba408a969f858fac7265d2cdf34ba910
SHA1

a0c5ec23dfae4dd2a5395db06d9af2e61290a8e2
SHA256

2155a666bf12a16d98bcfe0cb4e4ad9209e0eced855fc4d513a816525ee3fa53
SHA512

b72eda1aaf6d867f9d7490dada30cbf94db24a3c40f329658c6fe8bc0a2c3a21f50e862d39dde32ce5dfeee7726bf010cb573e8148b8d402e90d7fb55ac9b0c7
SSDEEP

768:/4wO7XBz+5Qm3W0tYdrQZHV4EWuWEUOg4jjfS3XJ6gd2iZQAm6kRRS+NoJRnMtAJ:gLXB65939tY6HBg4sXJ6gdLeAyNDtA

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4508	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	uninst.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Au_.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral16/files/0x0007000000023505-3.dat	nsis_installer_1
behavioral16/files/0x0007000000023505-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5100 wrote to memory of 4508	5100	uninst.exe	84
PID 5100 wrote to memory of 4508	5100	uninst.exe	84
PID 5100 wrote to memory of 4508	5100	uninst.exe	84

C:\Users\Admin\AppData\Local\Temp\$PROGRAMFILES\1ClickDownload\$PROGRAMFILES\1ClickDownload\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\$PROGRAMFILES\1ClickDownload\$PROGRAMFILES\1ClickDownload\uninst.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5100
- 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\1ClickDownload\$PROGRAMFILES\1ClickDownload\
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4508

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
46KB

MD5
ba408a969f858fac7265d2cdf34ba910

SHA1
a0c5ec23dfae4dd2a5395db06d9af2e61290a8e2

SHA256
2155a666bf12a16d98bcfe0cb4e4ad9209e0eced855fc4d513a816525ee3fa53

SHA512
b72eda1aaf6d867f9d7490dada30cbf94db24a3c40f329658c6fe8bc0a2c3a21f50e862d39dde32ce5dfeee7726bf010cb573e8148b8d402e90d7fb55ac9b0c7

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