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Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
15/05/2023, 06:35
Static task
static1
Behavioral task
behavioral1
Sample
84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe
Resource
win10v2004-20230220-en
General
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Target
84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe
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Size
140KB
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MD5
011c506d3654778cec0f22e6ff24ba22
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SHA1
05cfb001a62e704a592a882b34b40fb322255400
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SHA256
84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb
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SHA512
a017af985d1e9f767c220e21c7297d820cbdc990400533264ba8a2305485596de1e200a841ee0bcde37a6cac7cad708dddf9aadaf522a5acd73f48c7db1c3802
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SSDEEP
1536:Vua+BTv3tIO8MtM+/6jRVGIk1MgHjsPGYYwOda2CqqZOIgQJb0lfjtO+vbWL8xJb:Vn+htWMtf+7GZYGVA2QJgi8xJLDoU
Malware Config
Signatures
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FatalRat
FatalRat is a modular infostealer family written in C++ first appearing in June 2021.
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Fatal Rat payload 1 IoCs
resource yara_rule behavioral2/memory/2652-133-0x0000000010000000-0x000000001001C000-memory.dmp fatalrat -
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-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation 84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe -
Executes dropped EXE 1 IoCs
pid Process 1148 84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2652 84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe Token: SeDebugPrivilege 1148 84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2652 wrote to memory of 1148 2652 84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe 85 PID 2652 wrote to memory of 1148 2652 84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe 85 PID 2652 wrote to memory of 1148 2652 84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe"C:\Users\Admin\AppData\Local\Temp\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2652 -
C:\Users\Admin\AppData\Local\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe"C:\Users\Admin\AppData\Local\84936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb.exe"2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1148
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
140KB
MD5011c506d3654778cec0f22e6ff24ba22
SHA105cfb001a62e704a592a882b34b40fb322255400
SHA25684936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb
SHA512a017af985d1e9f767c220e21c7297d820cbdc990400533264ba8a2305485596de1e200a841ee0bcde37a6cac7cad708dddf9aadaf522a5acd73f48c7db1c3802
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Filesize
140KB
MD5011c506d3654778cec0f22e6ff24ba22
SHA105cfb001a62e704a592a882b34b40fb322255400
SHA25684936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb
SHA512a017af985d1e9f767c220e21c7297d820cbdc990400533264ba8a2305485596de1e200a841ee0bcde37a6cac7cad708dddf9aadaf522a5acd73f48c7db1c3802
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Filesize
140KB
MD5011c506d3654778cec0f22e6ff24ba22
SHA105cfb001a62e704a592a882b34b40fb322255400
SHA25684936e08715721d7a617cb846503028e8da90bccf9561152a641f3f1a47a3edb
SHA512a017af985d1e9f767c220e21c7297d820cbdc990400533264ba8a2305485596de1e200a841ee0bcde37a6cac7cad708dddf9aadaf522a5acd73f48c7db1c3802