2de0849e81686ef91ab4dfca1c589247c7d8edb937051b2dd3d4b9f16c8cb3fc

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240215-de
resource tags

arch:x64arch:x86image:win7-20240215-delocale:de-deos:windows7-x64systemwindows
submitted
15-04-2024 06:33

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General

Target

uninstall.exe
Size

37KB
MD5

81982be80dec4e8462ef03fd5e44f406
SHA1

d0b550818fdd94f91d02adf7c03b7e3ce915d525
SHA256

181a386ba1b874c4f2779a27181332374f640a89333c88e70309b829324db07c
SHA512

8a13949831c601598431d3b8bd903a1767d90368b905fab01f30dcb3d2381ff1a930ae341a61fc94376a9f597efdb7da274c65f63ec069ac29baa89a17d5893b
SSDEEP

768:FaKoIAEPaXHQe5cDOnLT6OSKQGg1qtOqGVfmMk0D3/jIp3KlcEJRnYlCYbAo:UKJAES3bS2L6KbuVfmMk0DCwctlCWX

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Au_.exe

pid process

2832 Au_.exe
Loads dropped DLL 1 IoCs

Processes:

uninstall.exe

pid process

2680 uninstall.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2832	Au_.exe

pid	process
2680	uninstall.exe

NSIS installer 2 IoCs

installer

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe	nsis_installer_1
\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe	nsis_installer_2

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

uninstall.exe

description	pid	process	target process
PID 2680 wrote to memory of 2832	2680	uninstall.exe	Au_.exe
PID 2680 wrote to memory of 2832	2680	uninstall.exe	Au_.exe
PID 2680 wrote to memory of 2832	2680	uninstall.exe	Au_.exe
PID 2680 wrote to memory of 2832	2680	uninstall.exe	Au_.exe

C:\Users\Admin\AppData\Local\Temp\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\uninstall.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2680

C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe
"C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe" _?=C:\Users\Admin\AppData\Local\Temp\
2⤵
- Executes dropped EXE
PID:2832

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Au_.exe
Filesize
37KB

MD5
81982be80dec4e8462ef03fd5e44f406

SHA1
d0b550818fdd94f91d02adf7c03b7e3ce915d525

SHA256
181a386ba1b874c4f2779a27181332374f640a89333c88e70309b829324db07c

SHA512
8a13949831c601598431d3b8bd903a1767d90368b905fab01f30dcb3d2381ff1a930ae341a61fc94376a9f597efdb7da274c65f63ec069ac29baa89a17d5893b

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