Analysis
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max time kernel
142s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
16-06-2024 23:56
Behavioral task
behavioral1
Sample
A_protected.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
A_protected.exe
Resource
win10v2004-20240226-en
General
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Target
A_protected.exe
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Size
4.8MB
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MD5
2e350ad38505eb0311f8403b7b1c83c4
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SHA1
de7648fda593e9efa3532b21fd9f686d8b2c9161
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SHA256
5b9c89db8105bb7b2c9e54a61853ecb427b3616985f2906081436864d1f4c2f2
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SHA512
b07d6dd091fd57075daabd404b69c97d5b625eb932ad8c84add1ddbbf20dc0527b89fe36b315267d526362a466cf98c725892d6574b100fc0d5cb56d7a545014
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SSDEEP
98304:L+fImzx6k9pdkAOfRj5dVL5WfRh6kmCZlkR+14759EcY+T/4ffNr:aok9pWAOptMfRhvFZlkAaEjHflr
Malware Config
Extracted
discordrat
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discord_token
MTI1MTM5NDU2MTkzMTA4Nzk2Ng.GVpTiC.aG6daNWB3ZKdyNM0l8rdBK1DppjVAtp5jSZd5E
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server_id
1251216160561696778
Signatures
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Discord RAT
A RAT written in C# using Discord as a C2.
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ A_protected.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion A_protected.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion A_protected.exe -
resource yara_rule behavioral1/memory/2256-11-0x0000000140000000-0x0000000140CB2000-memory.dmp themida behavioral1/memory/2256-12-0x0000000140000000-0x0000000140CB2000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA A_protected.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2256 A_protected.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2256 wrote to memory of 2696 2256 A_protected.exe 28 PID 2256 wrote to memory of 2696 2256 A_protected.exe 28 PID 2256 wrote to memory of 2696 2256 A_protected.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\A_protected.exe"C:\Users\Admin\AppData\Local\Temp\A_protected.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:2256 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2256 -s 6642⤵PID:2696
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