Analysis
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max time kernel
140s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
08-07-2024 01:23
Behavioral task
behavioral1
Sample
1.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
1.exe
Resource
win10v2004-20240704-en
General
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Target
1.exe
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Size
4.2MB
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MD5
49056a45b01811a0701e8b12c21adf24
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SHA1
cc57358757aa87234c8dd32c8ad788343f38421e
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SHA256
c3b934098eb6b7f475af5f014745912fe54aaae67b98d354681683796c9cea38
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SHA512
1f1ec09843c314220b249466c53f668f6f60fbfc425b4ae047377d01dea4733503009d87a45762fcab5c99ef41208ce1c6d0dd12365ff8dd74e3f0f927aa104a
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SSDEEP
98304:8fPIpKglsAmhqnKXJxY5opyObhnvK+ce4rpHYmZn+zg5Ey:xpZCEnKX3nVnNceyYQ+MX
Malware Config
Extracted
discordrat
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discord_token
MTI1OTY0MjcxOTc2OTMyOTc0NA.GuhwDB.tjjRDH8HEDxaIsovWm2qnOxMQd2WlawwN8d2_Y
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server_id
1255584878544551968
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__ 1.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 1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 1.exe -
resource yara_rule behavioral1/memory/2092-6-0x000000013F250000-0x000000013FDD4000-memory.dmp themida behavioral1/memory/2092-7-0x000000013F250000-0x000000013FDD4000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 1.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2092 1.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2092 wrote to memory of 2116 2092 1.exe 30 PID 2092 wrote to memory of 2116 2092 1.exe 30 PID 2092 wrote to memory of 2116 2092 1.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\1.exe"C:\Users\Admin\AppData\Local\Temp\1.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:2092 -
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 2092 -s 6082⤵PID:2116
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