Analysis
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max time kernel
143s -
max time network
197s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
05-02-2023 22:19
Static task
static1
Behavioral task
behavioral1
Sample
dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20.exe
Resource
win10-20220812-en
General
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Target
dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20.exe
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Size
3.0MB
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MD5
cdb75538c7adc7829a93cdf9a27c1fd7
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SHA1
2e5ff4e8f2b4b087ccc7f4cb2ad59d4c3617a0c9
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SHA256
dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20
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SHA512
f6eab79f9ba0111608ddc3b81b57224e5ccc86f2a4b3f14a11ef627a2d44f6539c061d5bcad7a68f7df0c05bbcb14d0285bfa508085233075452a3a75d1671d4
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SSDEEP
98304:k5Sh7zrcGtirr9gIKvvwPDxISVNImdJ3R9/4:WAXrjtirrGIyYTD3R9A
Malware Config
Signatures
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Detect PureCrypter injector 1 IoCs
resource yara_rule behavioral2/memory/392-120-0x000002681CCB0000-0x000002681CF96000-memory.dmp family_purecrypter -
PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
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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 4 IoCs
pid Process 3912 powershell.exe 3912 powershell.exe 3912 powershell.exe 392 dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 392 dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20.exe Token: SeDebugPrivilege 3912 powershell.exe Token: SeDebugPrivilege 392 dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 392 wrote to memory of 3912 392 dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20.exe 66 PID 392 wrote to memory of 3912 392 dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20.exe 66
Processes
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C:\Users\Admin\AppData\Local\Temp\dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20.exe"C:\Users\Admin\AppData\Local\Temp\dd218eb78e26587e43df5f00ff3ad87e23154c672615309a193a657323b62e20.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:392 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAANgA1AA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3912
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