4edc47bf1cfebabc1e4803e438b1beb3853f3d928a20e0ec507455d300a8d875

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
18/04/2024, 18:43

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General

Target

f8892f9730f13b42121361fbd357732d_JaffaCakes118.exe
Size

12KB
MD5

f8892f9730f13b42121361fbd357732d
SHA1

2c20c5526adb21dd065f48c6effa220b551caeb7
SHA256

4edc47bf1cfebabc1e4803e438b1beb3853f3d928a20e0ec507455d300a8d875
SHA512

a4aa3abe63795f42363a0dc55452fca24351593465d696358ff70ae09992045b91dc9ae173d4e2eea6915fa824ee8db32e670f95aa2f0ea4224c6bdf31781dd6
SSDEEP

192:WF14nGKN7d5QstF9851DKOX1A+b15T2qf4FAwUUTZ1yXTV4aiuNcylN7Smpcjy:SNKN7MSF9kw4A+b11pwTWX545SpfSmWm

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\slbiopfs2.dll = "{EB9660D8-E1CD-4ff0-B4A9-00CD907F928A}"	f8892f9730f13b42121361fbd357732d_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
1144	f8892f9730f13b42121361fbd357732d_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\slbiopfs2.tmp	f8892f9730f13b42121361fbd357732d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\slbiopfs2.tmp	f8892f9730f13b42121361fbd357732d_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\slbiopfs2.nls	f8892f9730f13b42121361fbd357732d_JaffaCakes118.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB9660D8-E1CD-4ff0-B4A9-00CD907F928A}	f8892f9730f13b42121361fbd357732d_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB9660D8-E1CD-4ff0-B4A9-00CD907F928A}\InProcServer32	f8892f9730f13b42121361fbd357732d_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB9660D8-E1CD-4ff0-B4A9-00CD907F928A}\InProcServer32\ = "C:\\Windows\\SysWow64\\slbiopfs2.dll"	f8892f9730f13b42121361fbd357732d_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EB9660D8-E1CD-4ff0-B4A9-00CD907F928A}\InProcServer32\ThreadingModel = "Apartment"	f8892f9730f13b42121361fbd357732d_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1144	f8892f9730f13b42121361fbd357732d_JaffaCakes118.exe
1144	f8892f9730f13b42121361fbd357732d_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1144	f8892f9730f13b42121361fbd357732d_JaffaCakes118.exe
1144	f8892f9730f13b42121361fbd357732d_JaffaCakes118.exe
1144	f8892f9730f13b42121361fbd357732d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1144 wrote to memory of 2916	1144	f8892f9730f13b42121361fbd357732d_JaffaCakes118.exe	92
PID 1144 wrote to memory of 2916	1144	f8892f9730f13b42121361fbd357732d_JaffaCakes118.exe	92
PID 1144 wrote to memory of 2916	1144	f8892f9730f13b42121361fbd357732d_JaffaCakes118.exe	92

C:\Users\Admin\AppData\Local\Temp\f8892f9730f13b42121361fbd357732d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f8892f9730f13b42121361fbd357732d_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:1144
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\D8CC.tmp.bat
  2⤵
  PID:2916

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

C:\Users\Admin\AppData\Local\Temp\D8CC.tmp.bat

Filesize
207B

MD5
601ca62d99e1478198078c0913a59ef9

SHA1
66027fda1522afb8263296d0485b9204740df9f7

SHA256
c29b41356422ac5e0fb21068eda6c96a6699cb1c34e6ce2ef98448a2ed7249f1

SHA512
9aadc67928559789a39cebb6cfddf7bdf0859a2a4f5c6c61043efd99b09fe68e9384fb3ca99e66db46a567b3b58c785eb505060e9bb23ae9d9f081eaa43cbc3d

Download Submit
C:\Windows\SysWOW64\slbiopfs2.nls

Filesize
428B

MD5
249d36eaf9e5cc7ffeb4082829b4af78

SHA1
1f102e3e0833707f2a74d26ccae0ee62c0cd5550

SHA256
8fa5788b5e59ebee1b408e357b22b85b70381a1498286a2579ece01cf6e0e055

SHA512
3430350b1bfa9161850e4433baa54cbcf0f9d9431ebeab21820df21c94ff55b71f8e9b20c6680a6837deb6c490acf1732ab4a70573c4b6cdf575456c5093e7cd

Download Submit
C:\Windows\SysWOW64\slbiopfs2.tmp

Filesize
644KB

MD5
514b03a2d2955ad2d3559fbad10760aa

SHA1
0608c3a6e0b82e74d47e8a920a2080b2f6d70042

SHA256
eb1028407c84c97876cf6e6c3360216e7d45cda6dd22737b25f118ddd3eddf9f

SHA512
6ca99e94c2c976eaee0f4998d3ca2848dda90ba30b48996605aa4d1b0937947c73319c5eada61e20e9a1d1f8a05ce4c83b131614f0bac16fd72870797f1ef7d1

Download Submit
memory/1144-17-0x0000000020000000-0x0000000020008000-memory.dmp

Filesize
32KB

Download
memory/1144-22-0x0000000020000000-0x0000000020008000-memory.dmp

Filesize
32KB

Download