222293c966658c798efb0a2d31a0e6db2bf98aca4467336adcab97dc09b282d2

Analysis

max time kernel
150s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13/08/2024, 22:08

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General

Target

94ed34a02313d6402936e4189e09707c_JaffaCakes118.exe
Size

144KB
MD5

94ed34a02313d6402936e4189e09707c
SHA1

17584149006fe7fc65fce8a08bc7bd068082e56d
SHA256

222293c966658c798efb0a2d31a0e6db2bf98aca4467336adcab97dc09b282d2
SHA512

97065ad60c76fec6adba2b89fae45fcc1dd955c70a9f3ad090527b8982a65e4ab1530a071d335b954bd49c14926c3fd5f732f4d2bf4644a78aa6ed7c7bff0169
SSDEEP

3072:t/yurJxSZI89txrraN2D1M17rpqJmf2sCCYXAy9lmqfRO4C:9rzg9z2N/7roJCCCV2Y0RO4C

Score

7^/10

bootkit discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4868	94ed34a02313d6402936e4189e09707c_JaffaCakes118mgr.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x0008000000023506-3.dat	upx
behavioral2/memory/4868-4-0x0000000000400000-0x0000000000456000-memory.dmp	upx
behavioral2/memory/4868-8-0x0000000000400000-0x0000000000456000-memory.dmp	upx

Maps connected drives based on registry 3 TTPs 3 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	94ed34a02313d6402936e4189e09707c_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\NextInstance	94ed34a02313d6402936e4189e09707c_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	94ed34a02313d6402936e4189e09707c_JaffaCakes118.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	94ed34a02313d6402936e4189e09707c_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1952	4868	WerFault.exe	86

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	94ed34a02313d6402936e4189e09707c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	94ed34a02313d6402936e4189e09707c_JaffaCakes118mgr.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 4868	1200	94ed34a02313d6402936e4189e09707c_JaffaCakes118.exe	86
PID 1200 wrote to memory of 4868	1200	94ed34a02313d6402936e4189e09707c_JaffaCakes118.exe	86
PID 1200 wrote to memory of 4868	1200	94ed34a02313d6402936e4189e09707c_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\94ed34a02313d6402936e4189e09707c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\94ed34a02313d6402936e4189e09707c_JaffaCakes118.exe"
1⤵
- Maps connected drives based on registry
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\94ed34a02313d6402936e4189e09707c_JaffaCakes118mgr.exe
  C:\Users\Admin\AppData\Local\Temp\94ed34a02313d6402936e4189e09707c_JaffaCakes118mgr.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4868
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4868 -s 264
    3⤵
    - Program crash
    PID:1952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4868 -ip 4868
1⤵
PID:1832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\94ed34a02313d6402936e4189e09707c_JaffaCakes118mgr.exe

Filesize
104KB

MD5
84b7783804fa7506672a409e9899c6be

SHA1
2da8a6e9c04662564e18cdf98f73e224a5662533

SHA256
b26a93c17ac6a412c6c191aa6a1543537f3185fe813c24153c6dec736fbad4ef

SHA512
8a867296b05f45dd79ab64b11b6cc0cc8fad835b2f5ba9b8469981cc9b3e15c91f98b688cbe7addfab7ea2bd55a1d475fc853c004afb24be1b5691f8183c897c

Download Submit
memory/1200-0-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/1200-9-0x0000000000400000-0x0000000000439000-memory.dmp

Filesize
228KB

Download
memory/4868-4-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/4868-6-0x0000000002060000-0x0000000002061000-memory.dmp

Filesize
4KB

Download
memory/4868-8-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads