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Analysis
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max time kernel
40s -
max time network
44s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
03/12/2022, 19:13
Static task
static1
Behavioral task
behavioral1
Sample
b96c138fb1ccdcf7abc5b39a79b39e25eecbd0be161b7483231bb1cc03a5f4ec.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
b96c138fb1ccdcf7abc5b39a79b39e25eecbd0be161b7483231bb1cc03a5f4ec.exe
Resource
win10v2004-20220901-en
General
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Target
b96c138fb1ccdcf7abc5b39a79b39e25eecbd0be161b7483231bb1cc03a5f4ec.exe
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Size
43KB
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MD5
34d0aae92346ab6ee0f202930e7f1b30
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SHA1
d3106ed2278669afbef3975c8eabee816d7e499c
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SHA256
b96c138fb1ccdcf7abc5b39a79b39e25eecbd0be161b7483231bb1cc03a5f4ec
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SHA512
5a8addd643de84aab572731a0535f6b58981681d8f93994679f47be37537966b17c3aa26379459e02534f8c953b1b34c5dc83e838eb4f4fe024f54760f2338f7
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SSDEEP
384:joc7Bmpxk7qKZwr1D+um22Nw/tXRmmEtrNxvb53y2DCuLfgMBK2VuJYgHMOC8QEb:joE7Do1jDaw/q3Nm2VsMc1MOD
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 268 cmd.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum b96c138fb1ccdcf7abc5b39a79b39e25eecbd0be161b7483231bb1cc03a5f4ec.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 b96c138fb1ccdcf7abc5b39a79b39e25eecbd0be161b7483231bb1cc03a5f4ec.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Enumerates processes with tasklist 1 TTPs 1 IoCs
pid Process 756 tasklist.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 756 tasklist.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1508 b96c138fb1ccdcf7abc5b39a79b39e25eecbd0be161b7483231bb1cc03a5f4ec.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1508 wrote to memory of 268 1508 b96c138fb1ccdcf7abc5b39a79b39e25eecbd0be161b7483231bb1cc03a5f4ec.exe 28 PID 1508 wrote to memory of 268 1508 b96c138fb1ccdcf7abc5b39a79b39e25eecbd0be161b7483231bb1cc03a5f4ec.exe 28 PID 1508 wrote to memory of 268 1508 b96c138fb1ccdcf7abc5b39a79b39e25eecbd0be161b7483231bb1cc03a5f4ec.exe 28 PID 1508 wrote to memory of 268 1508 b96c138fb1ccdcf7abc5b39a79b39e25eecbd0be161b7483231bb1cc03a5f4ec.exe 28 PID 268 wrote to memory of 756 268 cmd.exe 30 PID 268 wrote to memory of 756 268 cmd.exe 30 PID 268 wrote to memory of 756 268 cmd.exe 30 PID 268 wrote to memory of 756 268 cmd.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\b96c138fb1ccdcf7abc5b39a79b39e25eecbd0be161b7483231bb1cc03a5f4ec.exe"C:\Users\Admin\AppData\Local\Temp\b96c138fb1ccdcf7abc5b39a79b39e25eecbd0be161b7483231bb1cc03a5f4ec.exe"1⤵
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1508 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c tasklist&&del b96c138fb1ccdcf7abc5b39a79b39e25eecbd0be161b7483231bb1cc03a5f4ec.exe2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:268 -
C:\Windows\SysWOW64\tasklist.exetasklist3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:756
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