784dddd1bcf75a42e40d9af9642170b7f0d2ace371b3262dcd6fd8f21b5f32ce

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/03/2024, 20:03

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General

Target

UNINST.exe
Size

198KB
MD5

40db945bb0f96a744f2cd6651ebb8d16
SHA1

250449e8ff9b28131bbb30fe7bd6a0ac03283b9b
SHA256

016f2ee8d1b82e6cdb81847bd4bd04029c330613ac1f3506f98e0c5d13e4f412
SHA512

7e29d02951b9cafe653dceb29a2088eb36190aad1bdc33afb4b8f5506125a2fa512bc058bd8dcd3e0879a57ee63a20d92885aff12dc036c8a16ec8b54ee4f202
SSDEEP

3072:lZMJnTeM4cJJpo+ozra0gHpId72drfHuoILyctu:TeTeM/W+ooYwzuoILXu

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4472	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
4472	Au_.exe

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

System Information Discovery
T1082

NSIS installer 2 IoCs

installer

resource	yara_rule
behavioral18/files/0x000c00000002304c-3.dat	nsis_installer_1
behavioral18/files/0x000c00000002304c-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3136 wrote to memory of 4472	3136	UNINST.exe	87
PID 3136 wrote to memory of 4472	3136	UNINST.exe	87
PID 3136 wrote to memory of 4472	3136	UNINST.exe	87

C:\Users\Admin\AppData\Local\Temp\UNINST.exe
"C:\Users\Admin\AppData\Local\Temp\UNINST.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3136
- 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⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:4472

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

C:\Users\Admin\AppData\Local\Temp\nsx4130.tmp\LangDLL.dll

Filesize
5KB

MD5
a401e590877ef6c928d2a97c66157094

SHA1
75e24799cf67e789fadcc8b7fddefc72fdc4cd61

SHA256
2a7f33ef64d666a42827c4dc377806ad97bc233819197adf9696aed5be5efac0

SHA512
6093415cd090e69cdcb52b5d381d0a8b3e9e5479dac96be641e0071f1add26403b27a453febd8ccfd16393dc1caa03404a369c768a580781aba3068415ee993f

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

Filesize
198KB

MD5
40db945bb0f96a744f2cd6651ebb8d16

SHA1
250449e8ff9b28131bbb30fe7bd6a0ac03283b9b

SHA256
016f2ee8d1b82e6cdb81847bd4bd04029c330613ac1f3506f98e0c5d13e4f412

SHA512
7e29d02951b9cafe653dceb29a2088eb36190aad1bdc33afb4b8f5506125a2fa512bc058bd8dcd3e0879a57ee63a20d92885aff12dc036c8a16ec8b54ee4f202

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