Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
10-05-2024 00:48
Static task
static1
Behavioral task
behavioral1
Sample
AutoIt3.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
AutoIt3.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
QwbpjvdmTA.au3
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
QwbpjvdmTA.au3
Resource
win10v2004-20240508-en
General
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Target
QwbpjvdmTA.au3
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Size
2.2MB
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MD5
95b8ceebbd6e983914a13c1cd774028a
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SHA1
73cdad09f5b90124e8f715c58b10efb3dd9a1b5b
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SHA256
d3590bf0017815f77bd286b4c47f186832ab2b48f123f95ca4cbc25b95ff8ef3
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SHA512
f76ec2761688efeefc3544c84130eb712c7b206b635716d5762d920ff5b0b1a4438799d3ec0a28855908f41d370f72a65b144bff498fa9da31eb837d028f0d94
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SSDEEP
24576:fssXebF9P9ormt/xdpeuJrOAYWKREmtSgbJlLclJWhnX1xTtsvOCvL3OdgT+c96t:18PAmSdAJmcuLLclJgXrI5nqc9UJrOl6
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 9 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\au3_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\au3_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\au3_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\au3_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\au3_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.au3 rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.au3\ = "au3_auto_file" rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\au3_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2652 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2652 AcroRd32.exe 2652 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1700 wrote to memory of 2628 1700 cmd.exe 29 PID 1700 wrote to memory of 2628 1700 cmd.exe 29 PID 1700 wrote to memory of 2628 1700 cmd.exe 29 PID 2628 wrote to memory of 2652 2628 rundll32.exe 30 PID 2628 wrote to memory of 2652 2628 rundll32.exe 30 PID 2628 wrote to memory of 2652 2628 rundll32.exe 30 PID 2628 wrote to memory of 2652 2628 rundll32.exe 30
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\QwbpjvdmTA.au31⤵
- Suspicious use of WriteProcessMemory
PID:1700 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\QwbpjvdmTA.au32⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2628 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\QwbpjvdmTA.au3"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2652
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD57933be24713e54732f1cc3f8fd2975a1
SHA1a8cf108ea7aec5e37a0dd02a9b4e1135a4600eeb
SHA256bf4b3d06f06ead633a1a3c0b96dfab70777f9a28f3b7af6f5cbb216f3567cca4
SHA512d0fb9c9edf348bc4f4f830ade769e1866fba764f2bd9373d63efa30c5123a9389e2e4d003a877d666efe6d1c0601cb723760520420c673d27448042ae27a9a78