1d4289f40d9c6f2b514b6165ec58d4f0e94da0cddf71037ef63a4a17b0b10a5a

Analysis

max time kernel
142s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/08/2024, 05:42

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General

Target

8934f19d28420ef1b013c9170ac1f17c_JaffaCakes118.exe
Size

92KB
MD5

8934f19d28420ef1b013c9170ac1f17c
SHA1

e6ef3ca68bd04f8eab30092856ba7ad57d061983
SHA256

1d4289f40d9c6f2b514b6165ec58d4f0e94da0cddf71037ef63a4a17b0b10a5a
SHA512

f6e114be1f1ee998a699efe2f8494a53deb8776845407942ab4ddf11b032579c5c979e4805e0acdf67585b170e134a7816f8621ae5f0a602d265053176a9cda7
SSDEEP

768:QTY8+XEQZzt5U29b3G1TkevzMfiQxyF1QH69vgW:QTXdeh59bETk/Zqk69

Score

10^/10

discovery persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\cxkvvthz.dll = "{7A6DF30E-D0F2-446f-B4F0-BF4232D60E07}"	8934f19d28420ef1b013c9170ac1f17c_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
4532	8934f19d28420ef1b013c9170ac1f17c_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\cxkvvthz.tmp	8934f19d28420ef1b013c9170ac1f17c_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\cxkvvthz.tmp	8934f19d28420ef1b013c9170ac1f17c_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	8934f19d28420ef1b013c9170ac1f17c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A6DF30E-D0F2-446f-B4F0-BF4232D60E07}	8934f19d28420ef1b013c9170ac1f17c_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A6DF30E-D0F2-446f-B4F0-BF4232D60E07}\InProcServer32	8934f19d28420ef1b013c9170ac1f17c_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A6DF30E-D0F2-446f-B4F0-BF4232D60E07}\InProcServer32\ = "C:\\Windows\\SysWow64\\cxkvvthz.dll"	8934f19d28420ef1b013c9170ac1f17c_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7A6DF30E-D0F2-446f-B4F0-BF4232D60E07}\InProcServer32\ThreadingModel = "Apartment"	8934f19d28420ef1b013c9170ac1f17c_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4532	8934f19d28420ef1b013c9170ac1f17c_JaffaCakes118.exe
4532	8934f19d28420ef1b013c9170ac1f17c_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4532	8934f19d28420ef1b013c9170ac1f17c_JaffaCakes118.exe
4532	8934f19d28420ef1b013c9170ac1f17c_JaffaCakes118.exe
4532	8934f19d28420ef1b013c9170ac1f17c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4532 wrote to memory of 4496	4532	8934f19d28420ef1b013c9170ac1f17c_JaffaCakes118.exe	95
PID 4532 wrote to memory of 4496	4532	8934f19d28420ef1b013c9170ac1f17c_JaffaCakes118.exe	95
PID 4532 wrote to memory of 4496	4532	8934f19d28420ef1b013c9170ac1f17c_JaffaCakes118.exe	95

C:\Users\Admin\AppData\Local\Temp\8934f19d28420ef1b013c9170ac1f17c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8934f19d28420ef1b013c9170ac1f17c_JaffaCakes118.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4532
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\405F.tmp.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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\405F.tmp.bat

Filesize
207B

MD5
bb55d7ca8e75341876825a8ae0f32797

SHA1
e42460cca5fef222ccd487d96185563c12b47d18

SHA256
864938e3f5e5830810a3525b135b80d5fc146fa888a1b72e64ee8a905e3271f9

SHA512
dbbb1cb2b1f3cde554b35f23268cab4feb21a7acf08f653d99d58c91cd899a02aef2c70942421685645d44d15831c345912f52056f8f6f0de541c9906b77b01f

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

Filesize
2.2MB

MD5
52d4e4246ffbf2aa7a1036700bd4e8c1

SHA1
948d4a47bebf47c4215fd35bdec07b1973166520

SHA256
fe19664cd0ee17ac8210129779ba0f43935d6390d5b82a1733a55aa21641f9ba

SHA512
3568a27f1ce6242f34f03a877c7caad54e3111e3c0f3d4a6bb5d9d87dc8be528ccd999f087effbe9329bc9a1d3092a058691d48ac29386b19eece7ecf43638cf

Download Submit
memory/4532-6-0x0000000010000000-0x000000001006C000-memory.dmp

Filesize
432KB

Download
memory/4532-10-0x0000000010000000-0x000000001006C000-memory.dmp

Filesize
432KB

Download