Analysis
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max time kernel
22s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
23-05-2022 23:51
General
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Target
901f61b4e88314dc5961d78c4d0ca1eafa0b5482986063144690bab174cfe8e1.exe
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Size
238KB
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MD5
8cc712532b797826831b0ccbb76a04a7
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SHA1
01f83fe7daaaf09bbf71f7acd25176c62f55e24f
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SHA256
901f61b4e88314dc5961d78c4d0ca1eafa0b5482986063144690bab174cfe8e1
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SHA512
80e93a65ad6f375acf1e5062a53d766561ca3db0b939ff1994427e1cbe2a7ab57d703df3c9b5e37a3fc524952e6b0496cd42bfbad0ee3ae72e4643ee77e89294
Malware Config
Signatures
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Modifies system executable filetype association 2 TTPs 1 IoCs
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Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
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Executes dropped EXE 1 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Drops startup file 1 IoCs
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Drops file in Windows directory 1 IoCs
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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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Modifies registry class 1 IoCs
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\901f61b4e88314dc5961d78c4d0ca1eafa0b5482986063144690bab174cfe8e1.exe"C:\Users\Admin\AppData\Local\Temp\901f61b4e88314dc5961d78c4d0ca1eafa0b5482986063144690bab174cfe8e1.exe"1⤵
- Modifies system executable filetype association
- Checks computer location settings
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\3582-490\901f61b4e88314dc5961d78c4d0ca1eafa0b5482986063144690bab174cfe8e1.exe"C:\Users\Admin\AppData\Local\Temp\3582-490\901f61b4e88314dc5961d78c4d0ca1eafa0b5482986063144690bab174cfe8e1.exe"2⤵
- Executes dropped EXE
- Drops startup file
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
198KB
MD5934134b6b8ba466be6392d69215b791b
SHA12343ac64f81ef00a2e1aac12346d35481e553d06
SHA2562dfd1aae5af49a819c5dd7c31e5196b03f9040ab5625a1a208e1192441fd1153
SHA5123bc0b56645508e4e687d9af9bf23f5217736517ae34ea0a5e7150cd9a712b3adecf2e268671d4c05288298445339c60db8334a44237a69ec7e3a813e3bc47e79
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Filesize
198KB
MD5934134b6b8ba466be6392d69215b791b
SHA12343ac64f81ef00a2e1aac12346d35481e553d06
SHA2562dfd1aae5af49a819c5dd7c31e5196b03f9040ab5625a1a208e1192441fd1153
SHA5123bc0b56645508e4e687d9af9bf23f5217736517ae34ea0a5e7150cd9a712b3adecf2e268671d4c05288298445339c60db8334a44237a69ec7e3a813e3bc47e79
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Filesize
224KB
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Filesize
5.6MB
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Filesize
584KB
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Filesize
40KB
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Filesize
472KB
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Filesize
120KB