295967ac71f014113a7e7c10737ff8b1b3fbe65bd037995ee7a998f16b94144a

Analysis

max time kernel
147s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
19-06-2024 18:40

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General

Target

Uninstall.exe
Size

77KB
MD5

ff11f586d42a888469164063c399d917
SHA1

b3feded2344ea9a22035f628a441883c6216bf3e
SHA256

869c31354b5c3f1c7586fec5c51270a606ca5210d4ea9df4a078a1d7bc62112e
SHA512

573c35c9f066a2fbfba29d1cee5157b0d518d62210beb088d8c5380d43da4ee749a215ff76531e9ff59161a6449bdb44e3e0ee2ec4b18e03e0d36cbb131cbc86
SSDEEP

1536:7iZU91Rzv4f/+LHgmpoM4sXJKTmdxQi5jaQkaB72/v97+N:7iezvrL9oMXJKatjIg639KN

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1504	Au_.exe

Loads dropped DLL 1 IoCs

pid	Process
1504	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
behavioral14/files/0x00070000000233ca-3.dat	nsis_installer_1
behavioral14/files/0x00070000000233ca-3.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 728 wrote to memory of 1504	728	Uninstall.exe	81
PID 728 wrote to memory of 1504	728	Uninstall.exe	81
PID 728 wrote to memory of 1504	728	Uninstall.exe	81

C:\Users\Admin\AppData\Local\Temp\Uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\Uninstall.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:728
- 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:1504

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\nsy42B7.tmp\InstallOptions.dll

Filesize
14KB

MD5
325b008aec81e5aaa57096f05d4212b5

SHA1
27a2d89747a20305b6518438eff5b9f57f7df5c3

SHA256
c9cd5c9609e70005926ae5171726a4142ffbcccc771d307efcd195dafc1e6b4b

SHA512
18362b3aee529a27e85cc087627ecf6e2d21196d725f499c4a185cb3a380999f43ff1833a8ebec3f5ba1d3a113ef83185770e663854121f2d8b885790115afdf

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C:\Users\Admin\AppData\Local\Temp\nsy42B7.tmp\ioSpecial.ini

Filesize
589B

MD5
d4809b57bb24a1890a742c4be4ce89fa

SHA1
46e9dec8038a9889831255201ab142f99395a56c

SHA256
2d2d0681e90525a528ce83e138ce2c03c5f6694d2eff044fcb61130da39dc1c0

SHA512
3084b37790a9dc4588606fff806b585567916189c5ec7b6bf894a87b95d5afaafc6018aabc17a6055ad625391a0436fa4e574b718c6b0960a76577b1f7acf5ae

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

Filesize
77KB

MD5
ff11f586d42a888469164063c399d917

SHA1
b3feded2344ea9a22035f628a441883c6216bf3e

SHA256
869c31354b5c3f1c7586fec5c51270a606ca5210d4ea9df4a078a1d7bc62112e

SHA512
573c35c9f066a2fbfba29d1cee5157b0d518d62210beb088d8c5380d43da4ee749a215ff76531e9ff59161a6449bdb44e3e0ee2ec4b18e03e0d36cbb131cbc86

Download Submit