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Analysis
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max time kernel
140s -
max time network
185s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
06/12/2022, 15:32
Static task
static1
Behavioral task
behavioral1
Sample
c0057f77ef65bb8cb6af8fbfaab8bc3792be446b7250b9fb7cb843618c94ecd6.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
c0057f77ef65bb8cb6af8fbfaab8bc3792be446b7250b9fb7cb843618c94ecd6.exe
Resource
win10v2004-20220812-en
General
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Target
c0057f77ef65bb8cb6af8fbfaab8bc3792be446b7250b9fb7cb843618c94ecd6.exe
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Size
99KB
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MD5
c6065683ac691c46ed6f2b2c99b5426a
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SHA1
b71c177ceddf0be7b3a2acc3366a186e3c7ef294
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SHA256
c0057f77ef65bb8cb6af8fbfaab8bc3792be446b7250b9fb7cb843618c94ecd6
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SHA512
3c0e45656bc4121e27afd7a618fb5ec36c6c57e2a6b89ea3f5dfaa7490683262004a6e85501b989a6d830074e943b84c2341f6f32f624ac4ae9341e8e8fe0557
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SSDEEP
3072:q2hzgKSXgsmyL9egmSKSmeI3uFZS6p051Fwn:q40Kogsmy5Vweo+051FW
Malware Config
Signatures
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resource yara_rule behavioral2/memory/5112-132-0x0000000000400000-0x000000000041C000-memory.dmp upx behavioral2/memory/5112-134-0x0000000000400000-0x000000000041C000-memory.dmp upx -
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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation c0057f77ef65bb8cb6af8fbfaab8bc3792be446b7250b9fb7cb843618c94ecd6.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5112 wrote to memory of 2024 5112 c0057f77ef65bb8cb6af8fbfaab8bc3792be446b7250b9fb7cb843618c94ecd6.exe 79 PID 5112 wrote to memory of 2024 5112 c0057f77ef65bb8cb6af8fbfaab8bc3792be446b7250b9fb7cb843618c94ecd6.exe 79 PID 5112 wrote to memory of 2024 5112 c0057f77ef65bb8cb6af8fbfaab8bc3792be446b7250b9fb7cb843618c94ecd6.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\c0057f77ef65bb8cb6af8fbfaab8bc3792be446b7250b9fb7cb843618c94ecd6.exe"C:\Users\Admin\AppData\Local\Temp\c0057f77ef65bb8cb6af8fbfaab8bc3792be446b7250b9fb7cb843618c94ecd6.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5112 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /q /c "C:\Users\Admin\AppData\Local\Temp\a..bat" > nul 2> nul2⤵PID:2024
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
274B
MD522bc76e37a400abf7ac5b08d5c50e44e
SHA139a36b8838b483103afdff8a909e387dfe690ff1
SHA256c35248a38898d3654ea04d8cd17dac938aed2f64853ba9dd900a1bf5975dfcb0
SHA512ac69d6f56d86230ae10cc620d88faa920dbe38d641f9d840830fed7eb0c5913d7c70cb9213ee43c8f1a579223608ea3439e43e4eb22162323b67a892bcbbff78