3505dddb588b32470f61feb5bd15352c843a65d787f2ab4a52589b70da03e405

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09/09/2024, 06:55

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General

Target

d5d27e590e5e167859c6d8fdde8a9519_JaffaCakes118.dll
Size

767KB
MD5

d5d27e590e5e167859c6d8fdde8a9519
SHA1

a2689e51d7d68e2f5f941f615ec67ed8e35742ac
SHA256

3505dddb588b32470f61feb5bd15352c843a65d787f2ab4a52589b70da03e405
SHA512

11de5c61ffe790645a40d85cc8619739872bd971343b96e6099804f5ad0a80d7238e0103eebeb107ac0ebfbe0ace3ff75c9e04998bdb930773067e34ed32b2cb
SSDEEP

12288:N62XlzDBPF+QzMfkptiWscrb3YCuP04yCWtegnZsDHgaju1f4x/O6mmNpAVmjZoz:N6KVDBPsQx5pb3EP04yNeUZsDHgaK1lm

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-1-5-21-2718105630-359604950-2820636825-1000\Software\Wine	regsvr32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2436	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 2 IoCs

pid	Process
2436	regsvr32.exe
2436	regsvr32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3944 wrote to memory of 2436	3944	regsvr32.exe	84
PID 3944 wrote to memory of 2436	3944	regsvr32.exe	84
PID 3944 wrote to memory of 2436	3944	regsvr32.exe	84

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\d5d27e590e5e167859c6d8fdde8a9519_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:3944
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\d5d27e590e5e167859c6d8fdde8a9519_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:2436

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/2436-0-0x0000000000400000-0x00000000005B6000-memory.dmp

Filesize
1.7MB

Download
memory/2436-1-0x0000000001600000-0x000000000169D000-memory.dmp

Filesize
628KB

Download
memory/2436-2-0x0000000077214000-0x0000000077216000-memory.dmp

Filesize
8KB

Download
memory/2436-4-0x0000000000400000-0x00000000005B6000-memory.dmp

Filesize
1.7MB

Download
memory/2436-3-0x0000000000401000-0x0000000000414000-memory.dmp

Filesize
76KB

Download
memory/2436-5-0x0000000000400000-0x00000000005B6000-memory.dmp

Filesize
1.7MB

Download
memory/2436-7-0x00000000041F0000-0x00000000041F2000-memory.dmp

Filesize
8KB

Download
memory/2436-6-0x0000000004170000-0x0000000004171000-memory.dmp

Filesize
4KB

Download