bb1d145bd7ac01fbbed79059cabd43c17fbb38b40a611c5ca4d4294327b46b4d

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-10-2024 18:34

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General

Target

uninst.exe
Size

49KB
MD5

4205c8c862849d5ca498f5e35b4da8bc
SHA1

29eb61967b1311784cda38d7c514aad9e7146081
SHA256

8d90c415c90c0fcddd4516083f2d4e418fc455bb21aeb7b89770cedde9f3295f
SHA512

4fa5d56e0f712e7f89847389d7259fb70a840eed13d4edfc1ee0c223bab4c4c858e78f22860b0913c596bd40078db5d446aa447aaa22cb9c99aee05ab39cc6b1
SSDEEP

1536:SDp2fcDwyRmqf5i1qlYzIQgdLeAyNxEZT:St2fc8yRmqM1qlYzIQceAXV

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2460	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
2460	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
1320	uninst.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

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 2460	1320	uninst.exe	31
PID 1320 wrote to memory of 2460	1320	uninst.exe	31
PID 1320 wrote to memory of 2460	1320	uninst.exe	31
PID 1320 wrote to memory of 2460	1320	uninst.exe	31

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:1320
- 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
  PID:2460

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
49KB

MD5
4205c8c862849d5ca498f5e35b4da8bc

SHA1
29eb61967b1311784cda38d7c514aad9e7146081

SHA256
8d90c415c90c0fcddd4516083f2d4e418fc455bb21aeb7b89770cedde9f3295f

SHA512
4fa5d56e0f712e7f89847389d7259fb70a840eed13d4edfc1ee0c223bab4c4c858e78f22860b0913c596bd40078db5d446aa447aaa22cb9c99aee05ab39cc6b1

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