0feeecf9848cfcb2769919d7e9c310c48e704273c194f0bc324ba7a47b02a8d2

General

Target

a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe
Size

55KB
MD5

a3964f97af3f72a1bd0b2465ea98a59b
SHA1

570a9ff89956f9b895d96b1419687364fa110119
SHA256

0feeecf9848cfcb2769919d7e9c310c48e704273c194f0bc324ba7a47b02a8d2
SHA512

74a020858bfdf114c6be2c236e3cafb985e5e73ff1e85253d53b78aed57fc8945b7797e5ae9c51d8909f90d70c1bebddf07e41286e67f27b2ddcbbd86278fb06
SSDEEP

768:Oe3PFaDVyOQgljLDKRJyM3BmsHzSB4us/wJJapg4RoSMZeUZB/QosWpH+DrCUpfG:V3cpyORJLuB4P4AJJv4Romu/9tpvUZW

Score

10^/10

discovery evasion

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
4476	a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft\ie13\Internat Explorer\Desktop.ini	a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\ie13\Internat Explorer\target.lnk	a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Microsoft\ie13\Internat Explorer	attrib.exe
File opened for modification	C:\Program Files (x86)\Microsoft\ie13\Internat Explorer\Desktop.ini	a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.jgp	a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile\DefaultIcon	a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile\shell\open\command\ = "explorer \"C:\\Program Files (x86)\\Microsoft\\%*ie%S3\\%2Internat Explorer\""	a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile\shell\open\command	a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile\shell	a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile\shell\open	a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.jgp\ = "jgpfile"	a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile	a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\jgpfile\DefaultIcon\ = "%1"	a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4476 wrote to memory of 2592	4476	a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe	83
PID 4476 wrote to memory of 2592	4476	a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe	83
PID 4476 wrote to memory of 2592	4476	a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe	83
PID 4476 wrote to memory of 632	4476	a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe	87
PID 4476 wrote to memory of 632	4476	a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe	87
PID 4476 wrote to memory of 632	4476	a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe	87

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2592	attrib.exe

C:\Users\Admin\AppData\Local\Temp\a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a3964f97af3f72a1bd0b2465ea98a59b_JaffaCakes118.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Checks computer location settings
- Loads dropped DLL
- Drops desktop.ini file(s)
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4476
- C:\Windows\SysWOW64\attrib.exe
  "C:\Windows\System32\attrib.exe" "C:\Program Files (x86)\Microsoft\ie13\Internat Explorer" +s
  2⤵
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:2592
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:632

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsl1431.tmp\System.dll

Filesize
11KB

MD5
00a0194c20ee912257df53bfe258ee4a

SHA1
d7b4e319bc5119024690dc8230b9cc919b1b86b2

SHA256
dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

SHA512
3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp.bat

Filesize
214B

MD5
e55c459f66c8174abeb4211d273b18ac

SHA1
0d229efc66f4a2e9e1af2c3158fb39ded553a0a0

SHA256
27497498fc66061b009dd264f6240f19317588b060c2d1768ff9691c424499b6

SHA512
3400538d4bf36ae3e834b0efdee3ff8ecfc3b188900423b53f4fe53428ebf434c9a913331fc4a416304600226c8555bb457e1690b7187c053f8c5c0d67f5b8a7

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads