083d5bebaa2cc0fba26421550d3c5c6e5c3f377f339a4816a752dc282d7d1bcf

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
19/03/2024, 06:23

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General

Target

$0/uninstall.exe
Size

78KB
MD5

15c684cbe9b6a3d4b075b555dda6c3a5
SHA1

9df0ff2343eb9d1e0e855a527ea2f47b9b69123f
SHA256

ede89fd80817313dfe13954bd3d9d9231253dace78ed8d6d0f273d2230f0467f
SHA512

e870477a2deb5834236b30a6a11600380886d5c4414260717c5b5c0989e41c40f259b6658f1e15f93f42a54889aa192b85cec09e6053eb05c5869496d3383d8c
SSDEEP

1536:PEkjY1zy214Qay0DGkJ7qAELVigJSxhcpub3RsagxxZ/RL32/DH:8kjAJ4dDGkJ+AI0x+8hsagjZ/RLm/T

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2340	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
808	uninstall.exe
2340	Au_.exe
2340	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/0x000900000001227d-2.dat	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2340	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 808 wrote to memory of 2340	808	uninstall.exe	28
PID 808 wrote to memory of 2340	808	uninstall.exe	28
PID 808 wrote to memory of 2340	808	uninstall.exe	28
PID 808 wrote to memory of 2340	808	uninstall.exe	28

C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:808
- 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\$0\
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious behavior: GetForegroundWindowSpam
  PID:2340

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\nsi4A69.tmp\ioSpecial.ini

Filesize
610B

MD5
c2164c1de17d13dfc30c1d4b2c3bb920

SHA1
243678c908e232ea7757052357d487ca175349b0

SHA256
9fbf0610574de1e6f02263e6acab9b5da7d930525746f72fe51c21dddd736a22

SHA512
f68462db512af1178d98184dd8bec2b44d5d9cbeb9177edf7a403d82630439577859b775c42c9fdd61d709d33380c34d15b6f717339c5f74f9feee8ce98f634a

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\Users\Admin\AppData\Local\Temp\nsi4A69.tmp\InstallOptions.dll

Filesize
13KB

MD5
d765c492c21689e3d9d61634371fd861

SHA1
ac200933671ae52c9d5544d0e2e8e9144d286c83

SHA256
551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc

SHA512
9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f

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\Users\Admin\AppData\Local\Temp\nsi4A69.tmp\System.dll

Filesize
10KB

MD5
fe24766ba314f620d57d0cf7339103c0

SHA1
8641545f03f03ff07485d6ec4d7b41cbb898c269

SHA256
802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd

SHA512
60d36959895cebf29c4e7713e6d414980139c7aa4ed1c8c96fefb672c1263af0ce909fb409534355895649c0e8056635112efb0da2ba05694446aec2ca77e2e3

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

Filesize
78KB

MD5
15c684cbe9b6a3d4b075b555dda6c3a5

SHA1
9df0ff2343eb9d1e0e855a527ea2f47b9b69123f

SHA256
ede89fd80817313dfe13954bd3d9d9231253dace78ed8d6d0f273d2230f0467f

SHA512
e870477a2deb5834236b30a6a11600380886d5c4414260717c5b5c0989e41c40f259b6658f1e15f93f42a54889aa192b85cec09e6053eb05c5869496d3383d8c

Download Submit