965ec7a1cfe65aef444052482199c1c5c4690df8ce2b766831aa51559ff35cf9

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
03/07/2024, 07:22

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General

Target

uninst.exe
Size

47KB
MD5

81cc7bd52c9b878cf988af8f2d5e5931
SHA1

bb00e8e895d692ade0ef25d4f582378e5775a2d8
SHA256

67b54b2897f2ca0991aa7874ce8c0c4a8c092f90910fbd3be95375efa34661df
SHA512

81edddf3312a7d4065607d6e16022418726ce481a58e8f46fdfc7af0c08ad2ccb45b6f5d2d59cd792f3ae2343165d249f8f86448d5832652b02fc21e8c5b15ee
SSDEEP

768:XebbuV4LlKWVJd9dxVh1qAOYwXzBx2JqF86eWkJ1+eJRn5Am6kRRJ2iZ3igh9:ObSqZVJdThUxmskJwqAELVigh9

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2132	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
2132	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
1956	uninst.exe
2132	Au_.exe
2132	Au_.exe
2132	Au_.exe

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

System Information Discovery
T1082

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral11/files/0x0006000000016c78-2.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 2132	1956	uninst.exe	28
PID 1956 wrote to memory of 2132	1956	uninst.exe	28
PID 1956 wrote to memory of 2132	1956	uninst.exe	28
PID 1956 wrote to memory of 2132	1956	uninst.exe	28
PID 1956 wrote to memory of 2132	1956	uninst.exe	28
PID 1956 wrote to memory of 2132	1956	uninst.exe	28
PID 1956 wrote to memory of 2132	1956	uninst.exe	28

C:\Users\Admin\AppData\Local\Temp\uninst.exe
"C:\Users\Admin\AppData\Local\Temp\uninst.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1956
- 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
  PID:2132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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
47KB

MD5
81cc7bd52c9b878cf988af8f2d5e5931

SHA1
bb00e8e895d692ade0ef25d4f582378e5775a2d8

SHA256
67b54b2897f2ca0991aa7874ce8c0c4a8c092f90910fbd3be95375efa34661df

SHA512
81edddf3312a7d4065607d6e16022418726ce481a58e8f46fdfc7af0c08ad2ccb45b6f5d2d59cd792f3ae2343165d249f8f86448d5832652b02fc21e8c5b15ee

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