Analysis
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max time kernel
93s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
12/04/2024, 02:43
Behavioral task
behavioral1
Sample
eef1b265e3aeaaeafabfe74bda31b5cf_JaffaCakes118.exe
Resource
win7-20240220-en
10 signatures
150 seconds
General
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Target
eef1b265e3aeaaeafabfe74bda31b5cf_JaffaCakes118.exe
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Size
3.1MB
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MD5
eef1b265e3aeaaeafabfe74bda31b5cf
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SHA1
924a445a8fc23c29fe1b294272cb8c8e5ba9c7bb
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SHA256
c5203826395626892dba5e237dafd85fa8370264c9d150ffeee86c261930e065
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SHA512
66ce9210947a9901694d8b71ce2ff83e06d31c9af158b0fd507444918af59edd74604a0f81bc45aeb07e7a47c7b84c0a38c6db77da2cf4917036e4515869abc1
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SSDEEP
49152:B6Ovl41Ww2/TxmN/UyuTGHlhXkUGPPeMdmyaDhg9EKkdTgpR56/+iX8k9BPUoh4b:IOvKnqxuVutPPePlOS/+KBrhK
Malware Config
Signatures
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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__ eef1b265e3aeaaeafabfe74bda31b5cf_JaffaCakes118.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 eef1b265e3aeaaeafabfe74bda31b5cf_JaffaCakes118.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion eef1b265e3aeaaeafabfe74bda31b5cf_JaffaCakes118.exe -
resource yara_rule behavioral2/memory/1704-8-0x00000000001A0000-0x0000000000A16000-memory.dmp themida behavioral2/memory/1704-9-0x00000000001A0000-0x0000000000A16000-memory.dmp themida behavioral2/memory/1704-11-0x00000000001A0000-0x0000000000A16000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA eef1b265e3aeaaeafabfe74bda31b5cf_JaffaCakes118.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 6 raw.githubusercontent.com 7 raw.githubusercontent.com -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 1704 eef1b265e3aeaaeafabfe74bda31b5cf_JaffaCakes118.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4376 1704 WerFault.exe 86 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1704 eef1b265e3aeaaeafabfe74bda31b5cf_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1704 eef1b265e3aeaaeafabfe74bda31b5cf_JaffaCakes118.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\eef1b265e3aeaaeafabfe74bda31b5cf_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\eef1b265e3aeaaeafabfe74bda31b5cf_JaffaCakes118.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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1704 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 16842⤵
- Program crash
PID:4376
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1704 -ip 17041⤵PID:1156