Analysis
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max time kernel
146s -
max time network
202s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
29-11-2022 08:23
Static task
static1
Behavioral task
behavioral1
Sample
AS.js
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
AS.js
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
fix/catechism.ps1
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
fix/catechism.ps1
Resource
win10v2004-20221111-en
Behavioral task
behavioral5
Sample
fix/folksongs.js
Resource
win7-20220901-en
Behavioral task
behavioral6
Sample
fix/folksongs.js
Resource
win10v2004-20221111-en
General
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Target
fix/folksongs.js
-
Size
134B
-
MD5
2aa3c40df6f891e2e7dffa367b141a3c
-
SHA1
8af7beca046de11e381264f743db534200a54f15
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SHA256
4cf5a64266417d67650078a62f3f89874c418d152f963f7b04a86137c32538b3
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SHA512
b12fd7eb357a60eeea6277718ce2adf92c859660e265f3a78bed00d87897da0901362a2ece470ed977fdf89e024322a4cff4cbe621b243cb9574bd2dab771ee8
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.
Processes:
wscript.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation wscript.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 4612 powershell.exe 4612 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 4612 powershell.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
wscript.exedescription pid process target process PID 4248 wrote to memory of 4612 4248 wscript.exe powershell.exe PID 4248 wrote to memory of 4612 4248 wscript.exe powershell.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\fix\folksongs.js1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass fix\catechism.ps12⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/4612-132-0x0000000000000000-mapping.dmp
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memory/4612-133-0x0000019B4DBE0000-0x0000019B4DC02000-memory.dmpFilesize
136KB
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memory/4612-134-0x00007FFD3A560000-0x00007FFD3B021000-memory.dmpFilesize
10.8MB
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memory/4612-135-0x00007FFD3A560000-0x00007FFD3B021000-memory.dmpFilesize
10.8MB