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Analysis
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max time kernel
172s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
11/10/2023, 23:43
Static task
static1
Behavioral task
behavioral1
Sample
47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe
Resource
win10v2004-20230915-en
General
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Target
47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe
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Size
2.1MB
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MD5
5fcbabd5a95705ff761a2b41b5971e67
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SHA1
1ab7f5a42be348c9d3bc96f5d6805e70ac9888c0
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SHA256
47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631
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SHA512
23ec990521e8b4ceea5306735c309dd7d88663990883fcf364c0870aca110c62e594a36ed9cd8fcaf9da9006f99e190ee04ae2185c6a64638e3e93d657c2b708
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SSDEEP
49152:JbEpdIgOGOaSOFl4KK5+pq1UvM0iTnDJJZk425V/zaBM3Sbawwtl/:JsjOTOI5U4UvMba4aBN3SbA/
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 12 IoCs
resource yara_rule behavioral2/memory/4256-24-0x0000000005390000-0x00000000053C6000-memory.dmp fatalrat behavioral2/memory/4256-32-0x0000000010000000-0x0000000010202000-memory.dmp fatalrat behavioral2/memory/4256-33-0x0000000010000000-0x0000000010202000-memory.dmp fatalrat behavioral2/memory/4256-34-0x0000000010000000-0x0000000010202000-memory.dmp fatalrat behavioral2/memory/4256-35-0x0000000010000000-0x0000000010202000-memory.dmp fatalrat behavioral2/memory/4256-36-0x0000000010000000-0x0000000010202000-memory.dmp fatalrat behavioral2/memory/4256-37-0x0000000010000000-0x0000000010202000-memory.dmp fatalrat behavioral2/memory/4256-38-0x0000000010000000-0x0000000010202000-memory.dmp fatalrat behavioral2/memory/4256-39-0x0000000010000000-0x0000000010202000-memory.dmp fatalrat behavioral2/memory/4256-40-0x0000000010000000-0x0000000010202000-memory.dmp fatalrat behavioral2/memory/4256-41-0x0000000010000000-0x0000000010202000-memory.dmp fatalrat behavioral2/memory/4256-42-0x0000000010000000-0x0000000010202000-memory.dmp fatalrat -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Powermonster.exe -
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-1-5-21-3027552071-446050021-1254071215-1000\Control Panel\International\Geo\Nation 47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe -
Executes dropped EXE 1 IoCs
pid Process 4256 Powermonster.exe -
Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Wine Powermonster.exe -
Loads dropped DLL 1 IoCs
pid Process 4256 Powermonster.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yxfile = "C:\\Users\\Admin\\AppData\\Local\\Powermonster.exe" Powermonster.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 4256 Powermonster.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4256 Powermonster.exe 4256 Powermonster.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4256 Powermonster.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1396 wrote to memory of 4256 1396 47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe 91 PID 1396 wrote to memory of 4256 1396 47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe 91 PID 1396 wrote to memory of 4256 1396 47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe"C:\Users\Admin\AppData\Local\Temp\47b4387dccee5ac46b429a7f0561186d863c427e608a34f7a14ffcb26998d631.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1396 -
C:\Users\Public\Pictures\Powermonster.exe"C:\Users\Public\Pictures\Powermonster.exe"2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Executes dropped EXE
- Identifies Wine through registry keys
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4256
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.5MB
MD5842af33f5702fa99efd8f7b235f28fcc
SHA1b841b71a4e39432f3a940ad841e74ea1686da6c9
SHA25682ab7bbe88c0371e2122e7ad2faa452fdedc4063c2fda36d00c011bdd3948209
SHA512ba78f32b344842b36ec3e5da0ca1cd80f67c18ab0537ea0d8dd970b823be9e1e48bdc0c28d5ec1666d6da22fc6b5682e99b5844ccd513a836d37158ddb0d8a82
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Filesize
2.5MB
MD5842af33f5702fa99efd8f7b235f28fcc
SHA1b841b71a4e39432f3a940ad841e74ea1686da6c9
SHA25682ab7bbe88c0371e2122e7ad2faa452fdedc4063c2fda36d00c011bdd3948209
SHA512ba78f32b344842b36ec3e5da0ca1cd80f67c18ab0537ea0d8dd970b823be9e1e48bdc0c28d5ec1666d6da22fc6b5682e99b5844ccd513a836d37158ddb0d8a82
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Filesize
2.5MB
MD5842af33f5702fa99efd8f7b235f28fcc
SHA1b841b71a4e39432f3a940ad841e74ea1686da6c9
SHA25682ab7bbe88c0371e2122e7ad2faa452fdedc4063c2fda36d00c011bdd3948209
SHA512ba78f32b344842b36ec3e5da0ca1cd80f67c18ab0537ea0d8dd970b823be9e1e48bdc0c28d5ec1666d6da22fc6b5682e99b5844ccd513a836d37158ddb0d8a82
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Filesize
898KB
MD5ed68b13846fa29395ac2957be995824d
SHA10ba78675aee81f5da503a23a1e7dfcd225771392
SHA256b743061735e66db8e38c7af2f53580df5901c611f215b63223eac213d467e1e1
SHA512d4384e6396adb18699c073c7090bd1948bb4c9d45437313c7607b9676182299edd74dba91486d806c413dec4c9f0a83441a460b47fc17190bd9e0c3040ffc3d8
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Filesize
898KB
MD5ed68b13846fa29395ac2957be995824d
SHA10ba78675aee81f5da503a23a1e7dfcd225771392
SHA256b743061735e66db8e38c7af2f53580df5901c611f215b63223eac213d467e1e1
SHA512d4384e6396adb18699c073c7090bd1948bb4c9d45437313c7607b9676182299edd74dba91486d806c413dec4c9f0a83441a460b47fc17190bd9e0c3040ffc3d8