5b72d41bd3a4c15286da8c65921a9c0ec0fa854cae56a0892963dc8b9a354ed2

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
12-07-2024 07:28

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General

Target

uninst.exe
Size

39KB
MD5

467b085627683e20e667e0c8cf2eb01f
SHA1

b45a6498221b55d0b3ec3bca3b749e448e2f5cb7
SHA256

efe706a3035999a7bc9ace31e70430656067539c3ca22cc243d9fe0b162acdb0
SHA512

ae164bd8665f7822f7038c7dc668cc48b2dbf9e99e1673b36579b28949e94ea26c3af3c3ec502b9e186e635f64439c22363bdc0ab7dc0d67cc00548d5550d3fd
SSDEEP

768:RLsLMpbdbakR8GB2N7gKYHYcyCSWU6qtFoHLLHkJY6f9a2A:dsLMFdHBBdKCpq4kJY6lA

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2076	Au_.exe

Executes dropped EXE 1 IoCs

pid	Process
2076	Au_.exe

Loads dropped DLL 4 IoCs

pid	Process
2900	uninst.exe
2076	Au_.exe
2076	Au_.exe
2076	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
behavioral7/files/0x0008000000016d1c-2.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 2076	2900	uninst.exe	30
PID 2900 wrote to memory of 2076	2900	uninst.exe	30
PID 2900 wrote to memory of 2076	2900	uninst.exe	30
PID 2900 wrote to memory of 2076	2900	uninst.exe	30
PID 2900 wrote to memory of 2076	2900	uninst.exe	30
PID 2900 wrote to memory of 2076	2900	uninst.exe	30
PID 2900 wrote to memory of 2076	2900	uninst.exe	30

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:2900
- 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:2076

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
39KB

MD5
467b085627683e20e667e0c8cf2eb01f

SHA1
b45a6498221b55d0b3ec3bca3b749e448e2f5cb7

SHA256
efe706a3035999a7bc9ace31e70430656067539c3ca22cc243d9fe0b162acdb0

SHA512
ae164bd8665f7822f7038c7dc668cc48b2dbf9e99e1673b36579b28949e94ea26c3af3c3ec502b9e186e635f64439c22363bdc0ab7dc0d67cc00548d5550d3fd

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