8db435f02b2d9f7c87399bbae53e8a1374c5571056273cc5d4d9669e95922abd

Analysis

max time kernel
94s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
09/07/2024, 14:54

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General

Target
30d55f05e3d9b5ffd334d03def5bc20f_JaffaCakes118.exe
Size 14KB
Sample240709-saaj6a1bmg
SHA256 8db435f02b2d9f7c87399bbae53e8a1374c5571056273cc5d4d9669e95922abd
MD5 30d55f05e3d9b5ffd334d03def5bc20f
SHA1 c533aed788b8d192026f542afda6857ca78de6a1
SHA512 f2da243f637d42c9d7c31cb2bd8a90e6b9c4208f7fa6f0ad824973fe98593149ba810f96498d6d89d8f8014b598fed94830f356b6dc5aff5bebe164d45bce3a9
SSDEEP 384:lrFZJdhc7J4oPH+o5iMAUhdvl5l3l+/dTvzcQsvt35wNa:BFTQJ4CP5TAUPplKdTvzcQsh50a
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

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\adsntzt.dll = "{E0F3526A-4165-4589-80CD-50B6FBAC3BDA}"	30d55f05e3d9b5ffd334d03def5bc20f_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
5080	30d55f05e3d9b5ffd334d03def5bc20f_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\adsntzt.tmp	30d55f05e3d9b5ffd334d03def5bc20f_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\adsntzt.nls	30d55f05e3d9b5ffd334d03def5bc20f_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\adsntzt.tmp	30d55f05e3d9b5ffd334d03def5bc20f_JaffaCakes118.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E0F3526A-4165-4589-80CD-50B6FBAC3BDA}	30d55f05e3d9b5ffd334d03def5bc20f_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E0F3526A-4165-4589-80CD-50B6FBAC3BDA}\InProcServer32	30d55f05e3d9b5ffd334d03def5bc20f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E0F3526A-4165-4589-80CD-50B6FBAC3BDA}\InProcServer32\ = "C:\\Windows\\SysWow64\\adsntzt.dll"	30d55f05e3d9b5ffd334d03def5bc20f_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{E0F3526A-4165-4589-80CD-50B6FBAC3BDA}\InProcServer32\ThreadingModel = "Apartment"	30d55f05e3d9b5ffd334d03def5bc20f_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5080	30d55f05e3d9b5ffd334d03def5bc20f_JaffaCakes118.exe
5080	30d55f05e3d9b5ffd334d03def5bc20f_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
5080	30d55f05e3d9b5ffd334d03def5bc20f_JaffaCakes118.exe
5080	30d55f05e3d9b5ffd334d03def5bc20f_JaffaCakes118.exe
5080	30d55f05e3d9b5ffd334d03def5bc20f_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 4156	5080	30d55f05e3d9b5ffd334d03def5bc20f_JaffaCakes118.exe	79
PID 5080 wrote to memory of 4156	5080	30d55f05e3d9b5ffd334d03def5bc20f_JaffaCakes118.exe	79
PID 5080 wrote to memory of 4156	5080	30d55f05e3d9b5ffd334d03def5bc20f_JaffaCakes118.exe	79

C:\Users\Admin\AppData\Local\Temp\30d55f05e3d9b5ffd334d03def5bc20f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\30d55f05e3d9b5ffd334d03def5bc20f_JaffaCakes118.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5080
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\E87B.tmp.bat
  2⤵
  PID:4156

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

E87B.tmp.bat

Path C:\Users\Admin\AppData\Local\Temp\E87B.tmp.bat
Size 207B
SHA256 a0a96b8698d050db5e90b5b723403eac38760cc9799be78a05d61a0fa7ee3451
MD5 bf0e603de2ca701ef2e9ee28ef383f5b
SHA1 1b86788679b38a78264eb036e439dc2f2a5f7c15
SHA512 8ab5e93a8505a52071b1410830cfd6f3256d98fcaee15195a73cf6ea7dacb7c6d24ab3272ee470d889317fc14782adc45e61901a86ef6c52b84fc250b1902fdb
MD5 SHA1 SHA512

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adsntzt.tmp

Path C:\Windows\SysWOW64\adsntzt.tmp
Size 2.2MB
SHA256 770cbc268deb92d901c998ca0bd175bb4aeed2fa4d42eada926d4487da237777
MD5 406d33bbfac59df99d2b7018227c255d
SHA1 3e457bfdcb1db514052ab1821c90de7c1344d20c
SHA512 a5f8a9d5dd3ad1899bb3a86dee96231c84ee9922cb343a5acac30c844c3baca003d18424d4dd3e3d278679968eb314b24f0fda54c1459952886f0bf8aafc2d26
SSDEEP 49152:pWHHAz+Sx+WysjwCgOJ/j/nA8smT47+7FiB+cfRWkkj2:U2+SMWNxJ7/nATC4K7XsWkkj2
MD5 SHA1 SHA512 SSDEEP

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memory/5080-13-0x0000000010000000-0x0000000010008000-memory.dmp

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memory/5080-17-0x0000000010000000-0x0000000010008000-memory.dmp

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