17d4b4135f2aaf7bb962d88a637972877074815da8e37e104f1d76aedb99116e

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-08-2024 13:03

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General

Target

Uninstall.exe
Size

133KB
MD5

805e4a60e7bd272f27d50236fddd75b9
SHA1

4570f6364e7ff023bfb73344f652c0a4094572af
SHA256

63d48fffb16865ee5ee4c7e9291c4307037844b72bffe72e019f22ce67cf70b0
SHA512

7faef601bb749adac47f6ce7c2e7d0830399a01a69f5ae1e0f6295220a3bc50e4d87a8ea2f385292d1a7c789251015bb30b481920bc94f2c12f1315e820dddd3
SSDEEP

3072:biezvrL9oMXJAy6ppppppdddddi5o7nD61RYB1r:bNvTOy6ppppppdddddi5oXt

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2756	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
2756	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
2324	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 3 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ClearOptions.exe

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral19/files/0x000500000001a4b1-2.dat	nsis_installer_1
behavioral19/files/0x000500000001a4b1-2.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2756	2324	Uninstall.exe	30
PID 2324 wrote to memory of 2756	2324	Uninstall.exe	30
PID 2324 wrote to memory of 2756	2324	Uninstall.exe	30
PID 2324 wrote to memory of 2756	2324	Uninstall.exe	30
PID 2756 wrote to memory of 2144	2756	Au_.exe	31
PID 2756 wrote to memory of 2144	2756	Au_.exe	31
PID 2756 wrote to memory of 2144	2756	Au_.exe	31
PID 2756 wrote to memory of 2144	2756	Au_.exe	31

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:2324
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2756
- - C:\Users\Admin\AppData\Local\Temp\ClearOptions.exe
    C:\Users\Admin\AppData\Local\Temp\ClearOptions.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2144

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
133KB

MD5
805e4a60e7bd272f27d50236fddd75b9

SHA1
4570f6364e7ff023bfb73344f652c0a4094572af

SHA256
63d48fffb16865ee5ee4c7e9291c4307037844b72bffe72e019f22ce67cf70b0

SHA512
7faef601bb749adac47f6ce7c2e7d0830399a01a69f5ae1e0f6295220a3bc50e4d87a8ea2f385292d1a7c789251015bb30b481920bc94f2c12f1315e820dddd3

Download Submit
memory/2144-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

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