5976e037d6566d69a00c443532b6463373f94f6fe33e4e96ead1e4656c824290

Analysis

max time kernel
102s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-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
2132	Au_.exe

Loads dropped DLL 3 IoCs

pid	Process
2800	uninstall.exe
2132	Au_.exe
2132	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/0x002b000000018f8c-2.dat	nsis_installer_1

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2132	Au_.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2800 wrote to memory of 2132	2800	uninstall.exe	30
PID 2800 wrote to memory of 2132	2800	uninstall.exe	30
PID 2800 wrote to memory of 2132	2800	uninstall.exe	30
PID 2800 wrote to memory of 2132	2800	uninstall.exe	30

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:2800
- 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:2132

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

ioSpecial.ini

Path C:\Users\Admin\AppData\Local\Temp\nse93A9.tmp\ioSpecial.ini
Size 691B
SHA256 d80b566de203b21ce0c3c4817b13a1b856d1bdce56e7008e4a36f24daf509cef
MD5 92b523099463f29bf77936087afc0814
SHA1 180b9cf81cae126bd5de532a99bb024f9ae258a2
SHA512 cc737e54a25f55cee227c4c40edb2f6e2e7c30199b910719690df49ba0f69f721e06dacb65be82d87d3ae43063e12a55ea346cf664f462f4c2f8e1e1f4c4d305
MD5 SHA1 SHA512

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ioSpecial.ini

Path C:\Users\Admin\AppData\Local\Temp\nse93A9.tmp\ioSpecial.ini
Size 730B
SHA256 e1c590e2468288cbe624d6ded15946556052892c276493a523e55a8dfd734d32
MD5 df454eb5667b212e0db1597dd59e469e
SHA1 c203662886d6edcd379bb4b18b3e3ace74b06858
SHA512 b7816213a5aacae5b80d09ec8a5d920968605ef848cac372580b1630a73613d0637dc6bf0df045313e9fb24c7268daa5e4f5b869fb73f9ab6ea9d42d3f94ed5b
MD5 SHA1 SHA512

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InstallOptions.dll

Path \Users\Admin\AppData\Local\Temp\nse93A9.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 \Users\Admin\AppData\Local\Temp\nse93A9.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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Au_.exe

Path \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