5057b150f678eea2bf2701ca113bcdd218740fc7f62d55bccf4019c55d026e40

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
21-08-2024 11:46

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General

Target

b355f826c1167be301b4a3535d2286fe_JaffaCakes118.exe
Size

68KB
MD5

b355f826c1167be301b4a3535d2286fe
SHA1

f622441e71895c957d81bca051f90fa5fffe728e
SHA256

5057b150f678eea2bf2701ca113bcdd218740fc7f62d55bccf4019c55d026e40
SHA512

cd667667772fae2e0c7ee3f1f1308b3589af9b1f22f7027bc35fbcd7a31e219255b5da17be16d8200935f73ac33872a7d5e0c9a7eb80a0b28c77be76d8750545
SSDEEP

1536:xMnqCNgCvgKEzCwOx/qEmlWvxNX+9Q18vJJOFbDE9JUCE8FrHgWwxpArIMXbo0vI:xs9gCvgKEzCwOx/qEaWvxNX+9Q18vJJC

Score

8^/10

discovery evasion persistence

Malware Config

Signatures

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	b355f826c1167be301b4a3535d2286fe_JaffaCakes118.exe

Disables Task Manager via registry modification
evasion

Modifies system executable filetype association 2 TTPs 2 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	b355f826c1167be301b4a3535d2286fe_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "Nytro"	b355f826c1167be301b4a3535d2286fe_JaffaCakes118.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\svchosts.exe	b355f826c1167be301b4a3535d2286fe_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\svchosts.exe	b355f826c1167be301b4a3535d2286fe_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	b355f826c1167be301b4a3535d2286fe_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command	b355f826c1167be301b4a3535d2286fe_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "Nytro"	b355f826c1167be301b4a3535d2286fe_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2292	b355f826c1167be301b4a3535d2286fe_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2292	b355f826c1167be301b4a3535d2286fe_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 2820	2292	b355f826c1167be301b4a3535d2286fe_JaffaCakes118.exe	30
PID 2292 wrote to memory of 2820	2292	b355f826c1167be301b4a3535d2286fe_JaffaCakes118.exe	30
PID 2292 wrote to memory of 2820	2292	b355f826c1167be301b4a3535d2286fe_JaffaCakes118.exe	30
PID 2292 wrote to memory of 2820	2292	b355f826c1167be301b4a3535d2286fe_JaffaCakes118.exe	30
PID 2292 wrote to memory of 2820	2292	b355f826c1167be301b4a3535d2286fe_JaffaCakes118.exe	30
PID 2292 wrote to memory of 2820	2292	b355f826c1167be301b4a3535d2286fe_JaffaCakes118.exe	30
PID 2292 wrote to memory of 2820	2292	b355f826c1167be301b4a3535d2286fe_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\b355f826c1167be301b4a3535d2286fe_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b355f826c1167be301b4a3535d2286fe_JaffaCakes118.exe"
1⤵
- Disables RegEdit via registry modification
- Modifies system executable filetype association
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 keyboard,disable
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Privilege Escalation

Event Triggered Execution

T1546

Change Default File Association

T1546.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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