5976e037d6566d69a00c443532b6463373f94f6fe33e4e96ead1e4656c824290

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
08/07/2024, 19:38

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General

Target
$0/uninstall.exe
Size 78KB
Sample240708-yck2kaxfrd
SHA256 f17b04164f332b6fefe9cf8280657940d45acd5f822816752b74ab0ce740f5cd
MD5 326bab29f247b0d0b8438334af19d2a9
SHA1 df0411d0ed56443af8015d2ffe54af67d627cb9a
SHA512 e357e9dea57e906b09b1c9fd8d50dd379ac065fd7c6c54be4f493cf7783269ab2e01630a8a82d914b8f131a747efc9684b9f26280d725d5520f6558dca4efdac
SSDEEP 1536:PEkjY1zy214Qay0DGkJ7qAELVigJ/cfUcpuQMF2Ir1A2/D7:8kjAJ4dDGkJ+AI0aAkQ+2IrR/H
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4112	Au_.exe

Loads dropped DLL 2 IoCs

pid	Process
4112	Au_.exe
4112	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/0x000700000002343c-3.dat	nsis_installer_1

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3140 wrote to memory of 4112	3140	uninstall.exe	83
PID 3140 wrote to memory of 4112	3140	uninstall.exe	83
PID 3140 wrote to memory of 4112	3140	uninstall.exe	83

C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe
"C:\Users\Admin\AppData\Local\Temp\$0\uninstall.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3140
- 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:4112

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

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Downloads

InstallOptions.dll

Path C:\Users\Admin\AppData\Local\Temp\nst9BC4.tmp\InstallOptions.dll
Size 13KB
SHA256 551e6042dd494ea01549555ffc194ab9729da09058ec714eb368dd06642c9bbc
MD5 d765c492c21689e3d9d61634371fd861
SHA1 ac200933671ae52c9d5544d0e2e8e9144d286c83
SHA512 9919a9e848c8f1e26c75d0d29207571e4b86a4140bd554743d2c1f8bd7f386fe4919345b163d89a5d907fb165e435ba0ac5f6b1101713636141f156a420e2e0f
SSDEEP 192:9B6RvrfvOuJQDghBy/X7QKq3TLGciZJf0EzWzMnz6WoF1dBs:v6RrviWaX7eiZJ7nz6bB
MD5 SHA1 SHA512 SSDEEP

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System.dll

Path C:\Users\Admin\AppData\Local\Temp\nst9BC4.tmp\System.dll
Size 10KB
SHA256 802ef71440f662f456bed6283a5ff78066af016897fe6bfd29cac6edc2967bbd
MD5 fe24766ba314f620d57d0cf7339103c0
SHA1 8641545f03f03ff07485d6ec4d7b41cbb898c269
SHA512 60d36959895cebf29c4e7713e6d414980139c7aa4ed1c8c96fefb672c1263af0ce909fb409534355895649c0e8056635112efb0da2ba05694446aec2ca77e2e3
SSDEEP 192:rO6dJA/ruAFEiUdWWE6hE5RYUdJfbub1aMBgMO:yKAFERdlxhGRYUzqZaMB
MD5 SHA1 SHA512 SSDEEP

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ioSpecial.ini

Path C:\Users\Admin\AppData\Local\Temp\nst9BC4.tmp\ioSpecial.ini
Size 691B
SHA256 2872724d2a69acf8950ca4de5011ce9703c9a9fb339c9a6b54a5721af6c8c8cf
MD5 3962aca63843053c0e0a7059dc7a51de
SHA1 4777b852f15f3ea61adc8c7fa89d401cc8e3f9f6
SHA512 7e19ccda0a74c2735cbc640c97b02852c77c9beddf1b8a39eebc6867042e507680e34d644c6520ae7525c870e890c5d62e42319f04a7af94d8f2ce42501f1832
MD5 SHA1 SHA512

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Au_.exe

Path C:\Users\Admin\AppData\Local\Temp\~nsu.tmp\Au_.exe
Size 78KB
SHA256 f17b04164f332b6fefe9cf8280657940d45acd5f822816752b74ab0ce740f5cd
MD5 326bab29f247b0d0b8438334af19d2a9
SHA1 df0411d0ed56443af8015d2ffe54af67d627cb9a
SHA512 e357e9dea57e906b09b1c9fd8d50dd379ac065fd7c6c54be4f493cf7783269ab2e01630a8a82d914b8f131a747efc9684b9f26280d725d5520f6558dca4efdac
SSDEEP 1536:PEkjY1zy214Qay0DGkJ7qAELVigJ/cfUcpuQMF2Ir1A2/D7:8kjAJ4dDGkJ+AI0aAkQ+2IrR/H
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads