ba79bbc07dcf3ce65cd0a385e7e5a83cff36ad006f0fc89c106702627d5df91a

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10/08/2024, 21:15

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General

Target

87b35dba03987ddb0d1db090ad7b551b_JaffaCakes118.exe
Size

64KB
MD5

87b35dba03987ddb0d1db090ad7b551b
SHA1

ad50965982fbb443483989bf97ea8dec4ce67ca2
SHA256

ba79bbc07dcf3ce65cd0a385e7e5a83cff36ad006f0fc89c106702627d5df91a
SHA512

b888d60077fad2cbc0e37ee13c64713d6c15cc62ae81e84ffec585d68562d99b26a936dc32d2e50936130a7528429cdf273fd8c9658a1a46a2b65316ac91343f
SSDEEP

768:gF5CVyW8wnIpJe8GV7In45lWlbc2AXsnO/4C2zpUXuokFR:gAyHKOM7ZlWlWXwO/pX+okFR

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
4740	87b35dba03987ddb0d1db090ad7b551b_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\KarnaDrv.dll	87b35dba03987ddb0d1db090ad7b551b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\KarnaDrv.dll	87b35dba03987ddb0d1db090ad7b551b_JaffaCakes118.exe

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	87b35dba03987ddb0d1db090ad7b551b_JaffaCakes118.exe

Modifies registry class 8 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	87b35dba03987ddb0d1db090ad7b551b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	87b35dba03987ddb0d1db090ad7b551b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\	87b35dba03987ddb0d1db090ad7b551b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E60A0B68-2F3C-A1D2-A901-9381E036D21A}	87b35dba03987ddb0d1db090ad7b551b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E60A0B68-2F3C-A1D2-A901-9381E036D21A}\InProcServer32	87b35dba03987ddb0d1db090ad7b551b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E60A0B68-2F3C-A1D2-A901-9381E036D21A}\InProcServer32\ = "C:\\Windows\\SysWow64\\KarnaDrv.dll"	87b35dba03987ddb0d1db090ad7b551b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E60A0B68-2F3C-A1D2-A901-9381E036D21A}\InProcServer32\ThreadingModel = "Apartment"	87b35dba03987ddb0d1db090ad7b551b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\\\{E60A0B68-2F3C-A1D2-A901-9381E036D21A}\InProcServer32	87b35dba03987ddb0d1db090ad7b551b_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeSystemtimePrivilege	4740	87b35dba03987ddb0d1db090ad7b551b_JaffaCakes118.exe
Token: SeSystemtimePrivilege	4740	87b35dba03987ddb0d1db090ad7b551b_JaffaCakes118.exe
Token: SeSystemtimePrivilege	4740	87b35dba03987ddb0d1db090ad7b551b_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4740	87b35dba03987ddb0d1db090ad7b551b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 2336	4740	87b35dba03987ddb0d1db090ad7b551b_JaffaCakes118.exe	96
PID 4740 wrote to memory of 2336	4740	87b35dba03987ddb0d1db090ad7b551b_JaffaCakes118.exe	96
PID 4740 wrote to memory of 2336	4740	87b35dba03987ddb0d1db090ad7b551b_JaffaCakes118.exe	96

C:\Users\Admin\AppData\Local\Temp\87b35dba03987ddb0d1db090ad7b551b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\87b35dba03987ddb0d1db090ad7b551b_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c das.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2336

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\das.bat

Filesize
218B

MD5
b0b38607a9a57b9240c9f27b013e5249

SHA1
cecacff724c3304bb2e711e1e886134d911fce1f

SHA256
84a936834ef2a559e02bc32850e271b828aeb768e117572c922e6d3d1e867443

SHA512
b8c110d89ccea111b68014ef34aa62dc81068b604ec20dd7eeffe499f3b046a05ef31e5b6886ff5eb4b788713db3ca396571af10e9f251bd91befd3b203b75f3

Download Submit
C:\Windows\SysWOW64\KarnaDrv.dll

Filesize
40KB

MD5
711eee2cfecf7e5a5a32ab9e120dc9db

SHA1
f3b19ddee44fc63176dafdddbe325b88a21d14d9

SHA256
ec0d1aad7f44bf08e7fd5205bebad95fdcc45c4c650a07a8ffae348c46239866

SHA512
f0370e1d82f18254a29d9f16faeff19133cba3b7d340653f6133e4edc18df4bbc75738a703de930d8f5ab4f612af239a502b5713c2afb9af0d95c5907d1a2c1c

Download Submit