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Analysis
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max time kernel
91s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
30/10/2022, 16:25
Static task
static1
Behavioral task
behavioral1
Sample
b41123a8b2467b28165b0f930e1c12827055eb185e5e9477a8d96336722f278a.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
b41123a8b2467b28165b0f930e1c12827055eb185e5e9477a8d96336722f278a.exe
Resource
win10v2004-20220812-en
General
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Target
b41123a8b2467b28165b0f930e1c12827055eb185e5e9477a8d96336722f278a.exe
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Size
540KB
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MD5
836889f1844bcc4b0d45c076dddc9e60
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SHA1
43f5db0eec96f26fcce318bdaa387cf97e608efe
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SHA256
b41123a8b2467b28165b0f930e1c12827055eb185e5e9477a8d96336722f278a
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SHA512
f5182fca19a41b66e6f39cff41ca2c2434d6f2ae6152344e1b0864b3a098a6966c602ad9e8e813bd01f88dacd63bccd1b59bd4d859934ac16c3854390e1f54e5
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SSDEEP
12288:S9XdVx1+9jsFIezPTWuljbv95k92tVpg3:a/EjsFI0Fd9A2tVpo
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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation b41123a8b2467b28165b0f930e1c12827055eb185e5e9477a8d96336722f278a.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\sppert.ini b41123a8b2467b28165b0f930e1c12827055eb185e5e9477a8d96336722f278a.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 1656 wrote to memory of 3168 1656 b41123a8b2467b28165b0f930e1c12827055eb185e5e9477a8d96336722f278a.exe 79 PID 1656 wrote to memory of 3168 1656 b41123a8b2467b28165b0f930e1c12827055eb185e5e9477a8d96336722f278a.exe 79 PID 1656 wrote to memory of 3168 1656 b41123a8b2467b28165b0f930e1c12827055eb185e5e9477a8d96336722f278a.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\b41123a8b2467b28165b0f930e1c12827055eb185e5e9477a8d96336722f278a.exe"C:\Users\Admin\AppData\Local\Temp\b41123a8b2467b28165b0f930e1c12827055eb185e5e9477a8d96336722f278a.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1656 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\DelTemp.bat" "2⤵PID:3168
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
187B
MD5a937df466bb1cec01b78b85f7d750306
SHA1a486c28051ace0e133a3210dea5de480ed931257
SHA256cfbf50625c150e395e83ff255c37369909b9f5aadc573f7c09e7466206bc4a0a
SHA5124b767925755688b42e6ccb5dfcf144351c8dc837da9b88bdb7b70790865cc3e9227cef9940d71fde2b8a6eacf50e0befcc72f085bea275424ee106ab1add8786