a5b90acade437f168da01cfaa49afcd53b1009f651205eb6d8b218e804b45546

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
27/06/2024, 18:50

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General

Target

171ff1fc81cbd66bc08a149aa4f7aafb_JaffaCakes118.dll
Size

128KB
MD5

171ff1fc81cbd66bc08a149aa4f7aafb
SHA1

991e3273caa02ea4b39bb7bc0d1adcc9b2892f86
SHA256

a5b90acade437f168da01cfaa49afcd53b1009f651205eb6d8b218e804b45546
SHA512

efccce0e4118898862ce31f8eee5b9936d974ef31e10c489a0618d2661dde63cbd5aac72c477acf88db7166ea88837ac02a6058313b277487f89507037428196
SSDEEP

3072:cnyNyBzvw3LUfoOTHUAKyvE/vb7HDnrE8Mx:cnZvw3w+mvSvb7c8Mx

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1332	regsvr32mgr.exe

Loads dropped DLL 9 IoCs

pid	Process
2940	regsvr32.exe
2940	regsvr32.exe
2096	WerFault.exe
2096	WerFault.exe
2096	WerFault.exe
2096	WerFault.exe
2096	WerFault.exe
2096	WerFault.exe
2096	WerFault.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\regsvr32mgr.exe	regsvr32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2096	1332	WerFault.exe	30

Modifies registry class 44 IoCs

description	ioc	Process
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B3E0E785-BD78-4366-9560-B7DABE2723BE}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B3E0E785-BD78-4366-9560-B7DABE2723BE}\ProgID\ = "LR.LexRefStFrObject.1.0.1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B3E0E785-BD78-4366-9560-B7DABE2723BE}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\171FF1~1.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{75C11604-5C51-48B2-B786-DF5E51D10EC9}\ = "LexRefBilingualTextContext Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{75C11604-5C51-48B2-B786-DF5E51D10EC9}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B3E0E785-BD78-4366-9560-B7DABE2723BE}\ = "LexRefStFrObject Class"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B3E0E785-BD78-4366-9560-B7DABE2723BE}\ProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{75C11604-5C51-48B2-B786-DF5E51D10EC9}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LR.LexRefStFrObject.1.0\CLSID\ = "{B3E0E785-BD78-4366-9560-B7DABE2723BE}"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B3E0E785-BD78-4366-9560-B7DABE2723BE}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LR.LexRefBilingualTextContext.1.0.1\ = "LexRefBilingualTextContext Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LR.LexRefBilingualTextContext.1.0.1\CLSID\ = "{75C11604-5C51-48B2-B786-DF5E51D10EC9}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LR.LexRefBilingualTextContext.1.0\CLSID\ = "{75C11604-5C51-48B2-B786-DF5E51D10EC9}"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{75C11604-5C51-48B2-B786-DF5E51D10EC9}\VersionIndependentProgID\ = "LR.LexRefBilingualTextContext.1.0"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LR.LexRefStFrObject.1.0\CurVer\ = "LR.LexRefStFrObject.1.0.1"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B3E0E785-BD78-4366-9560-B7DABE2723BE}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B3E0E785-BD78-4366-9560-B7DABE2723BE}\VersionIndependentProgID\ = "LR.LexRefStFrObject.1.0"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B3E0E785-BD78-4366-9560-B7DABE2723BE}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B3E0E785-BD78-4366-9560-B7DABE2723BE}\TypeLib\ = "{45EABAB4-7A6C-4E6E-86DE-D5417980F112}"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{75C11604-5C51-48B2-B786-DF5E51D10EC9}\VersionIndependentProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{75C11604-5C51-48B2-B786-DF5E51D10EC9}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{75C11604-5C51-48B2-B786-DF5E51D10EC9}\ProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{75C11604-5C51-48B2-B786-DF5E51D10EC9}\TypeLib\ = "{893CD020-4354-4B33-A78D-909EE58BAFAF}"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B3E0E785-BD78-4366-9560-B7DABE2723BE}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B3E0E785-BD78-4366-9560-B7DABE2723BE}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LR.LexRefBilingualTextContext.1.0\ = "LexRefBilingualTextContext Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LR.LexRefBilingualTextContext.1.0\CurVer\ = "LR.LexRefBilingualTextContext.1.0.1"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{75C11604-5C51-48B2-B786-DF5E51D10EC9}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{75C11604-5C51-48B2-B786-DF5E51D10EC9}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{45EABAB4-7A6C-4E6E-86DE-D5417980F112}\1.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\171ff1fc81cbd66bc08a149aa4f7aafb_JaffaCakes118.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LR.LexRefStFrObject.1.0\ = "LexRefStFrObject Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B3E0E785-BD78-4366-9560-B7DABE2723BE}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{75C11604-5C51-48B2-B786-DF5E51D10EC9}\TypeLib	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{75C11604-5C51-48B2-B786-DF5E51D10EC9}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\171FF1~1.DLL"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{45EABAB4-7A6C-4E6E-86DE-D5417980F112}\1.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B3E0E785-BD78-4366-9560-B7DABE2723BE}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B3E0E785-BD78-4366-9560-B7DABE2723BE}\VersionIndependentProgID	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{75C11604-5C51-48B2-B786-DF5E51D10EC9}\ProgID\ = "LR.LexRefBilingualTextContext.1.0,1"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LR.LexRefStFrObject.1.0.1\ = "LexRefStFrObject Class"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\LR.LexRefStFrObject.1.0.1\CLSID\ = "{B3E0E785-BD78-4366-9560-B7DABE2723BE}"	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{B3E0E785-BD78-4366-9560-B7DABE2723BE}\ProgID	regsvr32.exe
Key deleted	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{75C11604-5C51-48B2-B786-DF5E51D10EC9}\InprocServer32	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{75C11604-5C51-48B2-B786-DF5E51D10EC9}	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{75C11604-5C51-48B2-B786-DF5E51D10EC9}\InprocServer32\ThreadingModel = "Both"	regsvr32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 2940	2896	regsvr32.exe	29
PID 2896 wrote to memory of 2940	2896	regsvr32.exe	29
PID 2896 wrote to memory of 2940	2896	regsvr32.exe	29
PID 2896 wrote to memory of 2940	2896	regsvr32.exe	29
PID 2896 wrote to memory of 2940	2896	regsvr32.exe	29
PID 2896 wrote to memory of 2940	2896	regsvr32.exe	29
PID 2896 wrote to memory of 2940	2896	regsvr32.exe	29
PID 2940 wrote to memory of 1332	2940	regsvr32.exe	30
PID 2940 wrote to memory of 1332	2940	regsvr32.exe	30
PID 2940 wrote to memory of 1332	2940	regsvr32.exe	30
PID 2940 wrote to memory of 1332	2940	regsvr32.exe	30
PID 1332 wrote to memory of 2096	1332	regsvr32mgr.exe	31
PID 1332 wrote to memory of 2096	1332	regsvr32mgr.exe	31
PID 1332 wrote to memory of 2096	1332	regsvr32mgr.exe	31
PID 1332 wrote to memory of 2096	1332	regsvr32mgr.exe	31

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\171ff1fc81cbd66bc08a149aa4f7aafb_JaffaCakes118.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\171ff1fc81cbd66bc08a149aa4f7aafb_JaffaCakes118.dll
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2940
- - C:\Windows\SysWOW64\regsvr32mgr.exe
    C:\Windows\SysWOW64\regsvr32mgr.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:1332
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1332 -s 156
      4⤵
      Loads dropped DLL
      Program crash
      PID:2096

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

\Windows\SysWOW64\regsvr32mgr.exe

Filesize
59KB

MD5
0e0f0ae845d89c22bb6385f64a6b85fd

SHA1
0f3f1e7f18ab81572c5ce938d3880d4a5d7100ac

SHA256
5a5b85c582d5d4b3b912ee6789babebf8ae6d87330d0d33d87274841952899dd

SHA512
baec989a6329a2a60d954e83279fd57ba2000f8ed79e7a02d145bf44a5bffcd9a831c63f4b7d44e40c51e40b1dfbe72c5cebac04d0ce7b2295e3fd191b122350

Download Submit
memory/2940-2-0x000000002E200000-0x000000002E222000-memory.dmp

Filesize
136KB

Download