d152061bf7d3e5fe13f2420a8a05fef6a5d63097383cf7054bf91be75b6404b7

General

Target

f8845878c87ff2223e4cf569b5f49c9e_JaffaCakes118.exe
Size

55KB
MD5

f8845878c87ff2223e4cf569b5f49c9e
SHA1

8b37ef90a1e248b420fb565bff8b507b69ea2d8d
SHA256

d152061bf7d3e5fe13f2420a8a05fef6a5d63097383cf7054bf91be75b6404b7
SHA512

dbd3e497d33a4b72c70ae12f74749f95e3b376fde4de112cbd86cb6def16591b0da02aa7dbd7944d53f42b13cf7f068c3742509e3e65fecdcc6f93dcd5235aa0
SSDEEP

768:8cv+EQGtmz8coupvmxT90hdpX2mwgnZP+1H+fktVU2kjg70qMqf/1H5qXdnhK:8tctmnouhmxT2haJgF2swHvlq

Score

10^/10

persistence

Malware Config

Signatures

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

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad	f8845878c87ff2223e4cf569b5f49c9e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\Web Event Logger = "{79FEACFF-FFCE-815E-A900-316290B5B738}"	f8845878c87ff2223e4cf569b5f49c9e_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1444	Efjlgmlf.exe

Loads dropped DLL 6 IoCs

pid	Process
1908	f8845878c87ff2223e4cf569b5f49c9e_JaffaCakes118.exe
1908	f8845878c87ff2223e4cf569b5f49c9e_JaffaCakes118.exe
2956	WerFault.exe
2956	WerFault.exe
2956	WerFault.exe
2956	WerFault.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Efjlgmlf.exe	f8845878c87ff2223e4cf569b5f49c9e_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\Efjlgmlf.exe	f8845878c87ff2223e4cf569b5f49c9e_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Kgngnl32.dll	f8845878c87ff2223e4cf569b5f49c9e_JaffaCakes118.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2956	1444	WerFault.exe	28

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node	f8845878c87ff2223e4cf569b5f49c9e_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID	f8845878c87ff2223e4cf569b5f49c9e_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}	f8845878c87ff2223e4cf569b5f49c9e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ = "C:\\Windows\\SysWow64\\Kgngnl32.dll"	f8845878c87ff2223e4cf569b5f49c9e_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32\ThreadingModel = "Apartment"	f8845878c87ff2223e4cf569b5f49c9e_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{79FEACFF-FFCE-815E-A900-316290B5B738}\InProcServer32	f8845878c87ff2223e4cf569b5f49c9e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 1444	1908	f8845878c87ff2223e4cf569b5f49c9e_JaffaCakes118.exe	28
PID 1908 wrote to memory of 1444	1908	f8845878c87ff2223e4cf569b5f49c9e_JaffaCakes118.exe	28
PID 1908 wrote to memory of 1444	1908	f8845878c87ff2223e4cf569b5f49c9e_JaffaCakes118.exe	28
PID 1908 wrote to memory of 1444	1908	f8845878c87ff2223e4cf569b5f49c9e_JaffaCakes118.exe	28
PID 1444 wrote to memory of 2956	1444	Efjlgmlf.exe	29
PID 1444 wrote to memory of 2956	1444	Efjlgmlf.exe	29
PID 1444 wrote to memory of 2956	1444	Efjlgmlf.exe	29
PID 1444 wrote to memory of 2956	1444	Efjlgmlf.exe	29

C:\Users\Admin\AppData\Local\Temp\f8845878c87ff2223e4cf569b5f49c9e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f8845878c87ff2223e4cf569b5f49c9e_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 use of WriteProcessMemory
PID:1908
- C:\Windows\SysWOW64\Efjlgmlf.exe
  C:\Windows\system32\Efjlgmlf.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1444
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1444 -s 140
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windows\SysWOW64\Efjlgmlf.exe

Filesize
55KB

MD5
b46b40c72334a697e95cc55c9b8b7652

SHA1
9f5240b1e01f9e6dd4835673931710db7df25def

SHA256
d585c202e877c0386165ef3f8b7801bb28346e959c01cf83470bdfabc4915b43

SHA512
f414fe48eac96802a5a45cdd236e1f2bdc200a39af572e526a90841d411491ad02799de984f75833bb8c0ff49e056fb521b512a0f43dcecb56f9bc10f8e11d9e

Download Submit
memory/1444-18-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1908-0-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/1908-6-0x00000000002B0000-0x00000000002E3000-memory.dmp

Filesize
204KB

Download
memory/1908-17-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads