53487547af750c9b525fbfe67cefd8a6c9bbcf333feaead12bce06ac795acd38

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12/08/2024, 06:58

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General

Target

8dc220d9b4d2c1871627d5dbf34f1c6b_JaffaCakes118.dll
Size

791KB
MD5

8dc220d9b4d2c1871627d5dbf34f1c6b
SHA1

ae75716ceaf50e60daa3faa335dee4b4bb80f428
SHA256

53487547af750c9b525fbfe67cefd8a6c9bbcf333feaead12bce06ac795acd38
SHA512

ed837fc74f44b56a532e096775bb2bfa86c7aeaf1ea43789c39f94f0b118f0fd7f570fa4f77d4d6119782ad091e870e5418a8e1acb3097b8cf3985023a74a1ac
SSDEEP

24576:3RpNJjMUxuU0QloDzxgeF732uORLqwZ6M71SFuZh:3RpNp5xeQ6xgcLo9YM71Mu

Score

9^/10

discovery evasion

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	regsvr32.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	regsvr32.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.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	regsvr32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2404	regsvr32.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2404	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2404	2384	regsvr32.exe	30
PID 2384 wrote to memory of 2404	2384	regsvr32.exe	30
PID 2384 wrote to memory of 2404	2384	regsvr32.exe	30
PID 2384 wrote to memory of 2404	2384	regsvr32.exe	30
PID 2384 wrote to memory of 2404	2384	regsvr32.exe	30
PID 2384 wrote to memory of 2404	2384	regsvr32.exe	30
PID 2384 wrote to memory of 2404	2384	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\8dc220d9b4d2c1871627d5dbf34f1c6b_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\8dc220d9b4d2c1871627d5dbf34f1c6b_JaffaCakes118.dll
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2404-0-0x0000000000980000-0x0000000000B41000-memory.dmp

Filesize
1.8MB

Download
memory/2404-1-0x0000000000981000-0x0000000000994000-memory.dmp

Filesize
76KB

Download
memory/2404-2-0x0000000003900000-0x0000000003AC1000-memory.dmp

Filesize
1.8MB

Download
memory/2404-6-0x0000000000980000-0x0000000000B41000-memory.dmp

Filesize
1.8MB

Download
memory/2404-3-0x0000000000980000-0x0000000000B41000-memory.dmp

Filesize
1.8MB

Download
memory/2404-7-0x0000000000980000-0x0000000000B41000-memory.dmp

Filesize
1.8MB

Download