Analysis
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max time kernel
148s -
max time network
129s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
18-09-2024 11:30
Behavioral task
behavioral1
Sample
d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6.exe
Resource
win10v2004-20240802-en
General
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Target
d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6.exe
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Size
11.1MB
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MD5
ec51bee5512b29362377007f64cd3645
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SHA1
5880b8a3056ce2cfbd7018968532c82ddde016b1
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SHA256
d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6
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SHA512
699475cd0096128bff8894e7b16706e650a175f6955ed4ed6b7816725d39156184eca04678e7c47e497dd8355a5076dd9054bfb8bb72f95b3054f42d4ab31090
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SSDEEP
196608:T99WtyRc7YptEbWnSTLEpyQGl11r7kDXf1zhrAuyPD4y0/1Eg:h9WtyR89bus8yQa1r7mXfthA0ybg
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 2 IoCs
resource yara_rule behavioral2/memory/212-29504-0x0000000000400000-0x00000000004F8000-memory.dmp fatalrat behavioral2/memory/6276-29515-0x0000000000400000-0x00000000004F8000-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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation sevchost.exe -
Executes dropped EXE 3 IoCs
pid Process 3760 sevchost.exe 212 sevchost.exe 6276 sevchost.exe -
Loads dropped DLL 1 IoCs
pid Process 2764 d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6.exe -
resource yara_rule behavioral2/memory/2764-19-0x00000000061A0000-0x00000000061C6000-memory.dmp upx behavioral2/memory/2764-7197-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7211-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7209-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7207-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7205-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7203-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7201-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7199-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7195-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7193-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7191-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7189-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7187-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7185-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7183-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7181-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7179-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7177-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7175-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7173-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7171-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7170-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7169-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7168-0x0000000006400000-0x000000000643E000-memory.dmp upx behavioral2/memory/2764-7166-0x0000000006400000-0x000000000643E000-memory.dmp upx -
resource yara_rule behavioral2/memory/2764-11-0x0000000000400000-0x0000000001E64000-memory.dmp vmprotect behavioral2/memory/2764-12-0x0000000000400000-0x0000000001E64000-memory.dmp vmprotect behavioral2/memory/2764-13-0x0000000000400000-0x0000000001E64000-memory.dmp vmprotect behavioral2/memory/2764-26-0x0000000000400000-0x0000000001E64000-memory.dmp vmprotect behavioral2/memory/2764-29505-0x0000000000400000-0x0000000001E64000-memory.dmp vmprotect -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SVP7 = "C:\\Users\\Admin\\AppData\\Local\\sevchost.exe" sevchost.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 35 IoCs
pid Process 212 sevchost.exe 212 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe 6276 sevchost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sevchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sevchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sevchost.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2764 d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6.exe 2764 d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6.exe 2764 d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6.exe 2764 d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 212 sevchost.exe Token: SeDebugPrivilege 6276 sevchost.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2764 d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6.exe 2764 d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6.exe 2764 d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 2764 wrote to memory of 3760 2764 d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6.exe 95 PID 2764 wrote to memory of 3760 2764 d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6.exe 95 PID 2764 wrote to memory of 3760 2764 d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6.exe 95 PID 2764 wrote to memory of 212 2764 d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6.exe 96 PID 2764 wrote to memory of 212 2764 d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6.exe 96 PID 2764 wrote to memory of 212 2764 d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6.exe 96 PID 212 wrote to memory of 6276 212 sevchost.exe 99 PID 212 wrote to memory of 6276 212 sevchost.exe 99 PID 212 wrote to memory of 6276 212 sevchost.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6.exe"C:\Users\Admin\AppData\Local\Temp\d9d3ccf3f355ec60ad27061d8eb5b9a31b3a69fbfb3fade0079eb28f2feb81b6.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2764 -
C:\Users\Admin\AppData\Local\Temp\sevchost.exeC:\Users\Admin\AppData\Local\Temp\\sevchost.exe2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3760
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C:\Users\Admin\Documents\sevchost.exeC:\Users\Admin\Documents\\sevchost.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:212 -
C:\Users\Admin\AppData\Local\sevchost.exe"C:\Users\Admin\AppData\Local\sevchost.exe"3⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:6276
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3808,i,3387628439405076340,17957358341235678872,262144 --variations-seed-version --mojo-platform-channel-handle=4100 /prefetch:81⤵PID:60
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
908KB
MD58390ee2fd97cde38668ab3cf59efa7eb
SHA1596911c48f40c00e494abc04f603f2a3244b25e7
SHA2565bbab49b432fc0fb0e4874116b896e4aaae495bb35bad16424e2ac7c67ba1159
SHA5125c4cd607203f9028b3bc1b0c69dd8e2dc4e52c989fb5a764f6d43364bd055644a1c19b106d8bb207d76b2dd287e9564df63cd9ea0d29c4f9ea51d96dfa3df1c8
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Filesize
2.8MB
MD54bc970a97300b1a725d44bba23d8697a
SHA16f1eb181153692814e038e2f851d0734646f78f8
SHA256c9d8fb5311ae6018dc1ca72774cb7efeba5c115c827a5cfb795b3580499e323d
SHA51203968ca876b7e584de0a1418cca1dd2036fd0b4744f86d69aee5691a42061e284f8d9577293ef3f656be332f7da5ca276f85c6393bd6d8eb7de181baec0285f8