Analysis
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max time kernel
112s -
max time network
126s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation b96c138fb1ccdcf7abc5b39a79b39e25eecbd0be161b7483231bb1cc03a5f4ec.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 2780 tasklist.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2780 tasklist.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4956 b96c138fb1ccdcf7abc5b39a79b39e25eecbd0be161b7483231bb1cc03a5f4ec.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4956 wrote to memory of 2724 4956 b96c138fb1ccdcf7abc5b39a79b39e25eecbd0be161b7483231bb1cc03a5f4ec.exe 80 PID 4956 wrote to memory of 2724 4956 b96c138fb1ccdcf7abc5b39a79b39e25eecbd0be161b7483231bb1cc03a5f4ec.exe 80 PID 4956 wrote to memory of 2724 4956 b96c138fb1ccdcf7abc5b39a79b39e25eecbd0be161b7483231bb1cc03a5f4ec.exe 80 PID 2724 wrote to memory of 2780 2724 cmd.exe 82 PID 2724 wrote to memory of 2780 2724 cmd.exe 82 PID 2724 wrote to memory of 2780 2724 cmd.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\b96c138fb1ccdcf7abc5b39a79b39e25eecbd0be161b7483231bb1cc03a5f4ec.exe"C:\Users\Admin\AppData\Local\Temp\b96c138fb1ccdcf7abc5b39a79b39e25eecbd0be161b7483231bb1cc03a5f4ec.exe"1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4956 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c tasklist&&del b96c138fb1ccdcf7abc5b39a79b39e25eecbd0be161b7483231bb1cc03a5f4ec.exe2⤵
- Suspicious use of WriteProcessMemory
PID:2724 -
C:\Windows\SysWOW64\tasklist.exetasklist3⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:2780
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