083d5bebaa2cc0fba26421550d3c5c6e5c3f377f339a4816a752dc282d7d1bcf

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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
3312	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
3312	Au_.exe
3312	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
behavioral8/files/0x0008000000023211-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 460 wrote to memory of 3312	460	uninstall.exe	89
PID 460 wrote to memory of 3312	460	uninstall.exe	89
PID 460 wrote to memory of 3312	460	uninstall.exe	89

C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:460
- 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
  PID:3312

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\nsk5FB5.tmp\InstallOptions.dll

Filesize
13KB

MD5
d765c492c21689e3d9d61634371fd861

SHA1
ac200933671ae52c9d5544d0e2e8e9144d286c83

SHA256
551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc

SHA512
9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f

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C:\Users\Admin\AppData\Local\Temp\nsk5FB5.tmp\System.dll

Filesize
10KB

MD5
fe24766ba314f620d57d0cf7339103c0

SHA1
8641545f03f03ff07485d6ec4d7b41cbb898c269

SHA256
802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd

SHA512
60d36959895cebf29c4e7713e6d414980139c7aa4ed1c8c96fefb672c1263af0ce909fb409534355895649c0e8056635112efb0da2ba05694446aec2ca77e2e3

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C:\Users\Admin\AppData\Local\Temp\nsk5FB5.tmp\ioSpecial.ini

Filesize
650B

MD5
0e9ebf409db459aaa4ada3deaf05e777

SHA1
cf173727b4ae746ec595f4ee7ece174e42a4206a

SHA256
62e07237b2ad4b17eb5ffe450480a3598beebc5be585d2e2cf4d3492ea861202

SHA512
06892299c7b83d46f85c8fca07bef958d1bda38c9b09da4480e534b4312f8317c37b0f47d5d53ea2c364e2b5e727dfd9ad2b9aaa1fbf9323dd52299979d341ac

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

Filesize
78KB

MD5
15c684cbe9b6a3d4b075b555dda6c3a5

SHA1
9df0ff2343eb9d1e0e855a527ea2f47b9b69123f

SHA256
ede89fd80817313dfe13954bd3d9d9231253dace78ed8d6d0f273d2230f0467f

SHA512
e870477a2deb5834236b30a6a11600380886d5c4414260717c5b5c0989e41c40f259b6658f1e15f93f42a54889aa192b85cec09e6053eb05c5869496d3383d8c

Download Submit