Analysis
- max time kernel
94s - max time network
96s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
27/09/2024, 07:51
General
- Target fa0322fb70610d6e67585588184eda39_JaffaCakes118.exe
- Size 239KB
- Sample240927-jqbbysvfpg
- SHA256 3d994a2f80a63f31bf56ddded5ed35f020c40c0324b3ab1935e08b15c25ba017
Malware Config
Extracted
-
buer
-
https://104.248.83.13/
Signatures
- Buer
Buer is a new modular loader first seen in August 2019.
- Buer Loader 3 IoCs
Detects Buer loader in memory or disk.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\fa0322fb70610d6e67585588184eda39_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\fa0322fb70610d6e67585588184eda39_JaffaCakes118.exe"1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell.exe -Command "& {Add-MpPreference -ExclusionPath C:\ProgramData\67dc7842fb247b14fde6}"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 8442⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1680 -ip 16801⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_22j025t2.hpp.ps1
memory/1680-0-0x0000000000680000-0x000000000068F000-memory.dmp
memory/1680-5-0x0000000040000000-0x000000004000C000-memory.dmp
memory/1680-4-0x0000000000590000-0x000000000059D000-memory.dmp
memory/4780-27-0x0000000006380000-0x00000000063B2000-memory.dmp
memory/4780-39-0x0000000006F70000-0x0000000006F8E000-memory.dmp
memory/4780-11-0x0000000005160000-0x0000000005788000-memory.dmp
memory/4780-12-0x0000000004EF0000-0x0000000004F12000-memory.dmp
memory/4780-13-0x0000000004F90000-0x0000000004FF6000-memory.dmp
memory/4780-14-0x0000000005790000-0x00000000057F6000-memory.dmp
memory/4780-9-0x00000000027D0000-0x0000000002806000-memory.dmp
memory/4780-24-0x0000000005800000-0x0000000005B54000-memory.dmp
memory/4780-25-0x0000000005DA0000-0x0000000005DBE000-memory.dmp
memory/4780-26-0x0000000005DD0000-0x0000000005E1C000-memory.dmp
memory/4780-8-0x000000007434E000-0x000000007434F000-memory.dmp
memory/4780-29-0x00000000701E0000-0x000000007022C000-memory.dmp
memory/4780-28-0x0000000074340000-0x0000000074AF0000-memory.dmp
memory/4780-10-0x0000000074340000-0x0000000074AF0000-memory.dmp
memory/4780-40-0x0000000006FA0000-0x0000000007043000-memory.dmp
memory/4780-41-0x0000000074340000-0x0000000074AF0000-memory.dmp
memory/4780-42-0x0000000074340000-0x0000000074AF0000-memory.dmp
memory/4780-43-0x0000000007710000-0x0000000007D8A000-memory.dmp
memory/4780-44-0x00000000070D0000-0x00000000070EA000-memory.dmp
memory/4780-45-0x0000000007140000-0x000000000714A000-memory.dmp
memory/4780-46-0x0000000007350000-0x00000000073E6000-memory.dmp
memory/4780-47-0x00000000072D0000-0x00000000072E1000-memory.dmp
memory/4780-48-0x0000000007300000-0x000000000730E000-memory.dmp
memory/4780-49-0x0000000007310000-0x0000000007324000-memory.dmp
memory/4780-50-0x0000000007410000-0x000000000742A000-memory.dmp
memory/4780-51-0x00000000073F0000-0x00000000073F8000-memory.dmp
memory/4780-54-0x0000000074340000-0x0000000074AF0000-memory.dmp