1ec672065de0b8decd272231f714e9efaf6bb8457d6aa33f55fd53ae56e29911

Analysis

max time kernel
146s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24-08-2024 17:42

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General

Target

bf20f6e7cba962a22c10e6b8e909537c_JaffaCakes118.dll
Size

88KB
MD5

bf20f6e7cba962a22c10e6b8e909537c
SHA1

ce3a0c071d4597e25adaed774c28c0f9bdbf278c
SHA256

1ec672065de0b8decd272231f714e9efaf6bb8457d6aa33f55fd53ae56e29911
SHA512

56549d6ba1199e425e43101dfb09459106fca03c64edf4f224bf9ce8c47f17483f9fe00ed4c50bc36ffcb89333b961ac93650fa72fe80c4997294d9eff30b472
SSDEEP

1536:SeXClQTMBiE1iw753oZKM8jPLNQ9bT3u33AxVInYSlfsB4RDipVTB:pXWQI8EV3oWjPLC93eAMnuoDsV

Score

8^/10

discovery evasion persistence privilege_escalation upx

Malware Config

Signatures

Blocklisted process makes network request 13 IoCs

flow	pid	Process
14	1784	rundll32.exe
17	1784	rundll32.exe
30	1784	rundll32.exe
38	1784	rundll32.exe
57	1784	rundll32.exe
61	1784	rundll32.exe
62	1784	rundll32.exe
65	1784	rundll32.exe
78	1784	rundll32.exe
85	1784	rundll32.exe
86	1784	rundll32.exe
87	1784	rundll32.exe
107	1784	rundll32.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
212	netsh.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1784-0-0x0000000002CF0000-0x0000000002D1D000-memory.dmp	upx
behavioral2/memory/1784-1-0x0000000002CF0000-0x0000000002D1D000-memory.dmp	upx
behavioral2/memory/1784-11-0x0000000002CF0000-0x0000000002D1D000-memory.dmp	upx

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
7	checkip.dyndns.org

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Internet Explorer\Security\installation_id = 7d9234d8cf133b48a537abc45a1db761	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Software\Microsoft\Internet Explorer\Security	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4588 wrote to memory of 1784	4588	rundll32.exe	84
PID 4588 wrote to memory of 1784	4588	rundll32.exe	84
PID 4588 wrote to memory of 1784	4588	rundll32.exe	84
PID 1784 wrote to memory of 212	1784	rundll32.exe	85
PID 1784 wrote to memory of 212	1784	rundll32.exe	85
PID 1784 wrote to memory of 212	1784	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf20f6e7cba962a22c10e6b8e909537c_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4588
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf20f6e7cba962a22c10e6b8e909537c_JaffaCakes118.dll,#1
  2⤵
  - Blocklisted process makes network request
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious use of WriteProcessMemory
  PID:1784
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Windows\SysWOW64\rundll32.exe" "Explorer" enable
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:212

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1784-0-0x0000000002CF0000-0x0000000002D1D000-memory.dmp

Filesize
180KB

Download
memory/1784-1-0x0000000002CF0000-0x0000000002D1D000-memory.dmp

Filesize
180KB

Download
memory/1784-11-0x0000000002CF0000-0x0000000002D1D000-memory.dmp

Filesize
180KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads