a3667eb2ce2219dd2faecb98c4f353199ca37a48a0ee3155dd7b7dba0a6ced19

Analysis

max time kernel
141s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
13/08/2024, 21:16

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General

Target

94c4ba749363f5d4b834fafbad9c2a6c_JaffaCakes118.dll
Size

801KB
MD5

94c4ba749363f5d4b834fafbad9c2a6c
SHA1

8b579457e6887f768ed9cd83c5bd52c09e60bfd4
SHA256

a3667eb2ce2219dd2faecb98c4f353199ca37a48a0ee3155dd7b7dba0a6ced19
SHA512

70aaba96d2756794127da7fef9f51a107ebb84ecbe94abbf488d1d5141dc883ab3ba0571db204b45564a93a60e0be5b32e76737adea63201aecdec0dab266fb9
SSDEEP

12288:TsvPsgeSjgoGP+25iQZKyereesuXygFqsU6E5g9sLYAyK7uwe6oj1VZtZ3rAuRZw:w3CQRTsiQBjPuUS9sLYo7u601Zlr

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

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-1-5-21-2257386474-3982792636-3902186748-1000\Software\Wine	regsvr32.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2068	regsvr32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2900	2068	WerFault.exe	29

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
2068	regsvr32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 2068	1400	regsvr32.exe	29
PID 1400 wrote to memory of 2068	1400	regsvr32.exe	29
PID 1400 wrote to memory of 2068	1400	regsvr32.exe	29
PID 1400 wrote to memory of 2068	1400	regsvr32.exe	29
PID 1400 wrote to memory of 2068	1400	regsvr32.exe	29
PID 1400 wrote to memory of 2068	1400	regsvr32.exe	29
PID 1400 wrote to memory of 2068	1400	regsvr32.exe	29
PID 2068 wrote to memory of 2900	2068	regsvr32.exe	30
PID 2068 wrote to memory of 2900	2068	regsvr32.exe	30
PID 2068 wrote to memory of 2900	2068	regsvr32.exe	30
PID 2068 wrote to memory of 2900	2068	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\94c4ba749363f5d4b834fafbad9c2a6c_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1400
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\94c4ba749363f5d4b834fafbad9c2a6c_JaffaCakes118.dll
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2068
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2068 -s 472
    3⤵
    - Program crash
    PID:2900

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 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/2068-0-0x00000000027D0000-0x0000000002994000-memory.dmp

Filesize
1.8MB

Download
memory/2068-1-0x00000000027D1000-0x00000000027E6000-memory.dmp

Filesize
84KB

Download
memory/2068-2-0x00000000027D0000-0x0000000002994000-memory.dmp

Filesize
1.8MB

Download
memory/2068-3-0x00000000027D0000-0x0000000002994000-memory.dmp

Filesize
1.8MB

Download