e08c3626a1c31d7d41230206b82c57827140827dc766dfbeb5f14722bfe2c7c3

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/09/2024, 00:47

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General

Target

uninst.exe
Size

41KB
MD5

4b0c4f006f8f87ce71a3a02e5b586646
SHA1

768c4e19c171b2518003ffb8c6370fa52d7c5312
SHA256

c4354078a30e58af059ae6d0c7d37dee4b0483e6889c4d3b78200c0a550095dc
SHA512

702e4308feb8c3661060fb32060b2ba1afa5fb4d1d977d1d9d2cd047efb172037a07cd587cd06bb9ae19c7690828d630d13bd1fce89a2b0283efd429652086ed
SSDEEP

768:11DVgVapclBrPlbLQPCGB4/deAC6Jn7z8Ld8tx8wxp4wFBOV1mJAzt+hMqZIXRkv:jDV6awBrdbLkrude7mnflp4tmJMcMpR0

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2644	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
2644	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
3068	uninst.exe
2644	Au_.exe
2644	Au_.exe
2644	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 1 IoCs

installer

resource	yara_rule
behavioral17/files/0x000500000001873d-2.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 2644	3068	uninst.exe	30
PID 3068 wrote to memory of 2644	3068	uninst.exe	30
PID 3068 wrote to memory of 2644	3068	uninst.exe	30
PID 3068 wrote to memory of 2644	3068	uninst.exe	30
PID 3068 wrote to memory of 2644	3068	uninst.exe	30
PID 3068 wrote to memory of 2644	3068	uninst.exe	30
PID 3068 wrote to memory of 2644	3068	uninst.exe	30

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3068
- 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⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2644

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

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

Filesize
41KB

MD5
4b0c4f006f8f87ce71a3a02e5b586646

SHA1
768c4e19c171b2518003ffb8c6370fa52d7c5312

SHA256
c4354078a30e58af059ae6d0c7d37dee4b0483e6889c4d3b78200c0a550095dc

SHA512
702e4308feb8c3661060fb32060b2ba1afa5fb4d1d977d1d9d2cd047efb172037a07cd587cd06bb9ae19c7690828d630d13bd1fce89a2b0283efd429652086ed

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