Analysis
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max time kernel
143s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
07/01/2024, 12:05
Static task
static1
Behavioral task
behavioral1
Sample
2024-01-06_0a329a8ccb7c1711685594f09551725e_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-06_0a329a8ccb7c1711685594f09551725e_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-06_0a329a8ccb7c1711685594f09551725e_cryptolocker.exe
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Size
62KB
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MD5
0a329a8ccb7c1711685594f09551725e
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SHA1
672b7fcb229d3d8f30576ef9e718ae6dc466fa6a
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SHA256
053b06be9f79a59cf19bf5eb78190a9d299fb6c7d9d0c3786251a0ae3fb59bfa
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SHA512
3f0645e9b6d3263bf42171ce6a9c51c76c0fdaa17ee720c123743c73fc861b76885e4daa9ab5858b91e889ef648b12dcfd0e521061d1ebe9b5810b8e21c91955
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SSDEEP
1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x/9lfL+gniDScQ:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7w
Malware Config
Signatures
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Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation 2024-01-06_0a329a8ccb7c1711685594f09551725e_cryptolocker.exe Key value queried \REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation hurok.exe -
Executes dropped EXE 1 IoCs
pid Process 2028 hurok.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1564 wrote to memory of 2028 1564 2024-01-06_0a329a8ccb7c1711685594f09551725e_cryptolocker.exe 92 PID 1564 wrote to memory of 2028 1564 2024-01-06_0a329a8ccb7c1711685594f09551725e_cryptolocker.exe 92 PID 1564 wrote to memory of 2028 1564 2024-01-06_0a329a8ccb7c1711685594f09551725e_cryptolocker.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-06_0a329a8ccb7c1711685594f09551725e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-06_0a329a8ccb7c1711685594f09551725e_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1564 -
C:\Users\Admin\AppData\Local\Temp\hurok.exe"C:\Users\Admin\AppData\Local\Temp\hurok.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
PID:2028
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
63KB
MD52e4733de2e0f0d57d9f3339bf7a61bc0
SHA16be932f11bf962d94c4432349aa29e7a149ef470
SHA25685f056483e9475dd5e2a103abacffba8bf4edb1d093842f6cd2c10522422792f
SHA512f25d0d33c713fd19b3d3882b06a7b1d6881c6593035c1221598db23e5e5e9e1c4848a5b558fef2fa68372b0bd939e4423ff5a178cb877a51f5ae57c5e965d825