Analysis
- max time kernel
122s - max time network
136s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
03/05/2022, 21:46
Static task
static1
Behavioral task
behavioral1
Sample
e5c85df9a9b6f84f76c64b41c07a4f52f16a373eae80c713765a5cf43ced3e8d.exe
Resource
win7-20220414-en
0 signatures
0 seconds
General
- Target e5c85df9a9b6f84f76c64b41c07a4f52f16a373eae80c713765a5cf43ced3e8d.exe
- Size 6.3MB
- Sample220503-1mlrysfcbq
- SHA256 e5c85df9a9b6f84f76c64b41c07a4f52f16a373eae80c713765a5cf43ced3e8d
- MD5 a36d41f2e8210c0da3814b8e9a15500d
- SHA1 e3fba49fd246e3580bca587982a0f9ee820a582d
- SHA512 66d27c8d3fe43ffd0e3d10b70a6e9fdbf8ccc7d22efd0db98d7113330d85653f6d25a347dc9030f114322ba0cb348c0580ca96fdf7cdfc2873e43eaba1d51b79
- MD5 SHA1 SHA512
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 2504 DocumentSaver.exe - Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation e5c85df9a9b6f84f76c64b41c07a4f52f16a373eae80c713765a5cf43ced3e8d.exe Key value queried \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation DocumentSaver.exe - Loads dropped DLL 1 IoCs
pid Process 2504 DocumentSaver.exe - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3348 wrote to memory of 2504 3348 e5c85df9a9b6f84f76c64b41c07a4f52f16a373eae80c713765a5cf43ced3e8d.exe 84 PID 3348 wrote to memory of 2504 3348 e5c85df9a9b6f84f76c64b41c07a4f52f16a373eae80c713765a5cf43ced3e8d.exe 84 PID 2504 wrote to memory of 4840 2504 DocumentSaver.exe 100 PID 2504 wrote to memory of 4840 2504 DocumentSaver.exe 100 PID 2504 wrote to memory of 4220 2504 DocumentSaver.exe 102 PID 2504 wrote to memory of 4220 2504 DocumentSaver.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\e5c85df9a9b6f84f76c64b41c07a4f52f16a373eae80c713765a5cf43ced3e8d.exe"C:\Users\Admin\AppData\Local\Temp\e5c85df9a9b6f84f76c64b41c07a4f52f16a373eae80c713765a5cf43ced3e8d.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3348 -
C:\Users\Admin\AppData\Local\Temp\RarSFX0\DocumentSaver.exe"C:\Users\Admin\AppData\Local\Temp\RarSFX0\DocumentSaver.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2504 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C Del SQLite.Interop.dll3⤵PID:4840
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C Del C:\Users\Admin\AppData\Local\Temp\RarSFX0\DocumentSaver.exe3⤵PID:4220
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\DocumentSaver.exe
- Size 5.2MB
- SHA256 710faabf217a5cd3431670558603a45edb1e01970f2a8710514c2cc3dd8c2424
- MD5 cf7eb797b63e8322269eb8281975af53
- SHA1 beff0874841fc49e458f9fbfb04664143535bf32
- SHA512 a22e79c05cb3848a8810cfa18380b7bd7af31b4b5b5c816710bfd6950f0c2d69c20db78a319ce3134b302033d1209868eff4d46e9fbcf2066a2e10f9c23f64f5
- SSDEEP 98304:DtClVkoOSfJNp8FUcwti78OqJ7TPBLYVrsk9N8ivyhAdsPSQx3UGgdc:DlobhH8FUcwti7TQlgVN8iNIShc
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\DocumentSaver.exe
- Size 5.2MB
- SHA256 710faabf217a5cd3431670558603a45edb1e01970f2a8710514c2cc3dd8c2424
- MD5 cf7eb797b63e8322269eb8281975af53
- SHA1 beff0874841fc49e458f9fbfb04664143535bf32
- SHA512 a22e79c05cb3848a8810cfa18380b7bd7af31b4b5b5c816710bfd6950f0c2d69c20db78a319ce3134b302033d1209868eff4d46e9fbcf2066a2e10f9c23f64f5
- SSDEEP 98304:DtClVkoOSfJNp8FUcwti78OqJ7TPBLYVrsk9N8ivyhAdsPSQx3UGgdc:DlobhH8FUcwti7TQlgVN8iNIShc
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\SQLite.Interop.dll
- Size 1.7MB
- SHA256 9309fb2a3f326d0f2cc3f2ab837cfd02e4f8cb6b923b3b2be265591fd38f4961
- MD5 56a504a34d2cfbfc7eaa2b68e34af8ad
- SHA1 426b48b0f3b691e3bb29f465aed9b936f29fc8cc
- SHA512 170c3645083d869e2368ee16325d7edaeba2d8f1d3d4a6a1054cfdd8616e03073772eeae30c8f79a93173825f83891e7b0e4fd89ef416808359f715a641747d7
- SSDEEP 24576:YPUxmkgSxPgobZPRjZ22H6edtOZzWySRO3mlE0i/Yl5P+qF+8k+ao/si6:8UxXPgo8e6WYBSJZSS5P97I
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\SQLite.Interop.dll
- Size 1.7MB
- SHA256 9309fb2a3f326d0f2cc3f2ab837cfd02e4f8cb6b923b3b2be265591fd38f4961
- MD5 56a504a34d2cfbfc7eaa2b68e34af8ad
- SHA1 426b48b0f3b691e3bb29f465aed9b936f29fc8cc
- SHA512 170c3645083d869e2368ee16325d7edaeba2d8f1d3d4a6a1054cfdd8616e03073772eeae30c8f79a93173825f83891e7b0e4fd89ef416808359f715a641747d7
- SSDEEP 24576:YPUxmkgSxPgobZPRjZ22H6edtOZzWySRO3mlE0i/Yl5P+qF+8k+ao/si6:8UxXPgo8e6WYBSJZSS5P97I
- MD5 SHA1 SHA512 SSDEEP