685fe94f656a441d4ad8331c674f5b618dd7918689d76a24d4a53087548bbf6c

General

Target

832475583c68fa779df2818d518d207b_JaffaCakes118.exe
Size

254KB
MD5

832475583c68fa779df2818d518d207b
SHA1

2d5becf76a8d9fd6d6f371fb3a480fdf7c68d378
SHA256

685fe94f656a441d4ad8331c674f5b618dd7918689d76a24d4a53087548bbf6c
SHA512

93b5a2a5582634443da0204870e5a4b60c3475962c18830acebdb629d7313a144776be7dd1e75ac9157e1b13f64d687f8a7365efb7af0d2102330ead7845f456
SSDEEP

6144:SR4zBrEHaJxdcZucchjxgXf3be+0x+h2snQ:Sar7HSZucajSXvb+xq/

Score

10^/10

discovery persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "C:\\Users\\Admin\\AppData\\Local\\455ed245\\X"	Explorer.EXE

Deletes itself 1 IoCs

pid	Process
772	explorer.exe

Executes dropped EXE 2 IoCs

pid	Process
2132	X
332	csrss.exe

Loads dropped DLL 2 IoCs

pid	Process
2116	832475583c68fa779df2818d518d207b_JaffaCakes118.exe
2116	832475583c68fa779df2818d518d207b_JaffaCakes118.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2116-0-0x0000000000400000-0x000000000044A000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2116 set thread context of 772	2116	832475583c68fa779df2818d518d207b_JaffaCakes118.exe	31

System Location Discovery: System Language Discovery 1 TTPs 1 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	832475583c68fa779df2818d518d207b_JaffaCakes118.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\registry\machine\Software\Classes\Interface\{3daf8f03-d9d1-0942-2465-01e72a270774}	explorer.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3daf8f03-d9d1-0942-2465-01e72a270774}\u = "27"	explorer.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{3daf8f03-d9d1-0942-2465-01e72a270774}\cid = "2213489397156205273"	explorer.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2132	X
772	explorer.exe
772	explorer.exe
772	explorer.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	772	explorer.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1336	Explorer.EXE
1336	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1336	Explorer.EXE
1336	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
332	csrss.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 772	2116	832475583c68fa779df2818d518d207b_JaffaCakes118.exe	31
PID 2116 wrote to memory of 772	2116	832475583c68fa779df2818d518d207b_JaffaCakes118.exe	31
PID 2116 wrote to memory of 772	2116	832475583c68fa779df2818d518d207b_JaffaCakes118.exe	31
PID 2116 wrote to memory of 772	2116	832475583c68fa779df2818d518d207b_JaffaCakes118.exe	31
PID 2116 wrote to memory of 772	2116	832475583c68fa779df2818d518d207b_JaffaCakes118.exe	31
PID 2116 wrote to memory of 2132	2116	832475583c68fa779df2818d518d207b_JaffaCakes118.exe	32
PID 2116 wrote to memory of 2132	2116	832475583c68fa779df2818d518d207b_JaffaCakes118.exe	32
PID 2116 wrote to memory of 2132	2116	832475583c68fa779df2818d518d207b_JaffaCakes118.exe	32
PID 2116 wrote to memory of 2132	2116	832475583c68fa779df2818d518d207b_JaffaCakes118.exe	32
PID 2132 wrote to memory of 1336	2132	X	21
PID 772 wrote to memory of 332	772	explorer.exe	2

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
- Executes dropped EXE
- Suspicious use of UnmapMainImage
PID:332

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies WinLogon for persistence
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1336
- C:\Users\Admin\AppData\Local\Temp\832475583c68fa779df2818d518d207b_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\832475583c68fa779df2818d518d207b_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2116
- - C:\Windows\explorer.exe
    00000054*
    3⤵
    - Deletes itself
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:772
- - C:\Users\Admin\AppData\Local\455ed245\X
    193.105.154.210:80
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:2132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\455ed245\@

Filesize
2KB

MD5
b1efc3c68e61fb75ce2b0edc26296399

SHA1
27cc9a689385db46c11881b82bfbbc70b433ec27

SHA256
c65616c70a338d0cffbfb44d45ab01dcc05a701a96822089109fe5f0487323d2

SHA512
b2cb1a81d4da352f9969c857c7dcea984e6711eabf586f4fff549d186040d1ef448aa636fde3627b7f9858790d7d0a4961c5b473986ef456d2ea3bdfa91df083

Download Submit
C:\Users\Admin\AppData\Local\455ed245\X

Filesize
41KB

MD5
686b479b0ee164cf1744a8be359ebb7d

SHA1
8615e8f967276a85110b198d575982a958581a07

SHA256
fcfbb4c648649f4825b66504b261f912227ba32cbaabcadf4689020a83fb201b

SHA512
7ed8022e2b09f232150b77fc3a25269365b624f19f0b50c46a4fdf744eeb23294c09c051452c4c9dbb34a274f1a0bfc54b3ff1987ec16ae2e54848e22a97ed64

Download Submit
\Windows\System32\consrv.dll

Filesize
31KB

MD5
dafc4a53954b76c5db1d857e955f3805

SHA1
a18fa0d38c6656b4398953e77e87eec3b0209ef3

SHA256
c6c82dde145a2dd9d70b1b539b17571befb663fc4a9ca834ff2a140cc4ebaa0b

SHA512
745e27a4f952e2492dbd12ced396be2c7dc78344ba415ad64b45920f95d7a282e30c7ad2da9266dc195c71e38019809e8183a705f9276c7d178de2f5ef34b633

Download Submit
\systemroot\assembly\tmp\{1B372133-BFFA-4dba-9CCF-5474BED6A9F6}

Filesize
2KB

MD5
88bf83018f27461314fe8dd25bc69318

SHA1
4ffd1b7527fc1ccfecb63b7245c47b3da0a1276b

SHA256
db7e6416539df337b838eb39a785e7212fc9782b11f5fda637f1df207960135b

SHA512
6afd3ed86e60da8426f05e6b2f323af4fdccc0258bf1243944d5a72bdafd00fbdd5a818e4bcd218e24054e8252f589c5feaf0c01bb5ec4b0bc932fb883a8214a

Download Submit
memory/332-42-0x0000000002530000-0x000000000253C000-memory.dmp

Filesize
48KB

Download
memory/332-41-0x0000000002530000-0x000000000253C000-memory.dmp

Filesize
48KB

Download
memory/772-22-0x0000000000060000-0x0000000000072000-memory.dmp

Filesize
72KB

Download
memory/772-21-0x00000000001F0000-0x0000000000204000-memory.dmp

Filesize
80KB

Download
memory/772-15-0x00000000001F0000-0x0000000000204000-memory.dmp

Filesize
80KB

Download
memory/772-10-0x00000000001F0000-0x0000000000204000-memory.dmp

Filesize
80KB

Download
memory/1336-28-0x0000000002AA0000-0x0000000002AAB000-memory.dmp

Filesize
44KB

Download
memory/1336-33-0x0000000002AB0000-0x0000000002ABB000-memory.dmp

Filesize
44KB

Download
memory/1336-35-0x0000000002AB0000-0x0000000002ABB000-memory.dmp

Filesize
44KB

Download
memory/1336-34-0x0000000002A90000-0x0000000002A98000-memory.dmp

Filesize
32KB

Download
memory/1336-32-0x0000000002AA0000-0x0000000002AAB000-memory.dmp

Filesize
44KB

Download
memory/1336-24-0x0000000002AA0000-0x0000000002AAB000-memory.dmp

Filesize
44KB

Download
memory/1336-44-0x0000000002AB0000-0x0000000002ABB000-memory.dmp

Filesize
44KB

Download
memory/1336-43-0x0000000002A90000-0x0000000002A98000-memory.dmp

Filesize
32KB

Download
memory/2116-1-0x0000000000020000-0x0000000000034000-memory.dmp

Filesize
80KB

Download
memory/2116-19-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2116-0-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads