ab81fe3bb597bffc56f26a5f1e54ebc6673f3c7cbc2c7c4874d38a174f03242b

Analysis

max time kernel
135s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-08-2024 10:20

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General

Target

aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe
Size

636KB
MD5

aa9f81cb494877d8f67bd62cea737fb7
SHA1

04d04e7e3b90c9a88791968c149d67cb2edf14dd
SHA256

ab81fe3bb597bffc56f26a5f1e54ebc6673f3c7cbc2c7c4874d38a174f03242b
SHA512

81d54f2708ac6af7154d62d115b12b2f8762f35b63540795c746e76a0c9edf6902f66c28b671243725c5caf28d89ce933e24b056d03449ba90ec9cc571e2a51d
SSDEEP

12288:88FQ9OaaS7tyJYNNq2qXk+aiptW5v9edN1gFAbdY:88FQxigA2x+qI+

Score

7^/10

discovery

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 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	aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2680	2800	WerFault.exe	84

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	aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62366775-2A45-7E34-4FE8-CCD65283E88E}\InProcServer32\ = "C:\\Windows\\SysWOW64\\Windows.UI.Immersive.dll"	aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62366775-2A45-7E34-4FE8-CCD65283E88E}\InProcServer32\ThreadingModel = "Both"	aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62366775-2A45-7E34-4FE8-CCD65283E88E}	aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62366775-2A45-7E34-4FE8-CCD65283E88E}\ = "User Tile Broker"	aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{62366775-2A45-7E34-4FE8-CCD65283E88E}\InProcServer32	aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	2800	aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2800	aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe
Token: 33	2800	aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2800	aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2992 wrote to memory of 2800	2992	aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe	84
PID 2992 wrote to memory of 2800	2992	aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe	84
PID 2992 wrote to memory of 2800	2992	aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe	84
PID 2992 wrote to memory of 2800	2992	aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe	84
PID 2992 wrote to memory of 2800	2992	aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe	84
PID 2992 wrote to memory of 2800	2992	aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2992
- C:\Users\Admin\AppData\Local\Temp\aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\aa9f81cb494877d8f67bd62cea737fb7_JaffaCakes118.exe"
  2⤵
  - Checks BIOS information in registry
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  PID:2800
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2800 -s 880
    3⤵
    - Program crash
    PID:2680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2800 -ip 2800
1⤵
PID:4572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2800-2-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2800-4-0x00000000020E0000-0x0000000002174000-memory.dmp

Filesize
592KB

Download
memory/2800-9-0x00000000020E0000-0x0000000002174000-memory.dmp

Filesize
592KB

Download
memory/2800-10-0x00000000020E0000-0x0000000002174000-memory.dmp

Filesize
592KB

Download
memory/2800-11-0x0000000000401000-0x0000000000404000-memory.dmp

Filesize
12KB

Download
memory/2800-12-0x00000000020E0000-0x0000000002174000-memory.dmp

Filesize
592KB

Download
memory/2800-15-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2992-0-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2992-13-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download