General
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Target
a03b66a1ddbda28b4624edd0b7ec2cda.exe
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Size
6.8MB
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Sample
211221-ak2saacaf7
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MD5
a03b66a1ddbda28b4624edd0b7ec2cda
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SHA1
3f1fd35352fbde7a47d94646e6565e7e0e202306
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SHA256
045480a084a090029c9f86b103e3f23b4e9e3923180c35d61eca933af3802060
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SHA512
7fb596d601010dd91a84ecf056b8f379f776d21270396e655f455119e571e42965b1f82561f827d5141ddde78efcf21b271f7b80648ec41b8a7254bc88f57120
Static task
static1
Behavioral task
behavioral1
Sample
a03b66a1ddbda28b4624edd0b7ec2cda.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
a03b66a1ddbda28b4624edd0b7ec2cda.exe
Resource
win10-en-20211208
Malware Config
Extracted
socelars
http://www.biohazardgraphics.com/
Extracted
smokeloader
2020
http://rcacademy.at/upload/
http://e-lanpengeonline.com/upload/
http://vjcmvz.cn/upload/
http://galala.ru/upload/
http://witra.ru/upload/
Extracted
redline
media18n
65.108.69.168:13293
Targets
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Target
a03b66a1ddbda28b4624edd0b7ec2cda.exe
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Size
6.8MB
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MD5
a03b66a1ddbda28b4624edd0b7ec2cda
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SHA1
3f1fd35352fbde7a47d94646e6565e7e0e202306
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SHA256
045480a084a090029c9f86b103e3f23b4e9e3923180c35d61eca933af3802060
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SHA512
7fb596d601010dd91a84ecf056b8f379f776d21270396e655f455119e571e42965b1f82561f827d5141ddde78efcf21b271f7b80648ec41b8a7254bc88f57120
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine Payload
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Socelars Payload
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Suspicious use of NtCreateUserProcessOtherParentProcess
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NirSoft WebBrowserPassView
Password recovery tool for various web browsers
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Nirsoft
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Downloads MZ/PE file
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Executes dropped EXE
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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