f760e5bc04a7d2b7410b28b8b7e2c6d9835a3df0ba512ab2eaff66fe6a7310a6

General

Target

4dfbbd6e6872023dbc3afe2859baa021_JaffaCakes118.exe
Size

6KB
MD5

4dfbbd6e6872023dbc3afe2859baa021
SHA1

29e9fdb0fdff743e1d4616af88f385abe3b9ec65
SHA256

f760e5bc04a7d2b7410b28b8b7e2c6d9835a3df0ba512ab2eaff66fe6a7310a6
SHA512

e514e0fd5e37176637e938d2633439e60ea3998228a948afb2e9c6879a0b8044454785f7c480ab7f80e5eda2ef71150a038fb77155a7c1b11e3b024235ffa180
SSDEEP

192:bF2R2Iss06177bcvo/0ByQqqESUjoBP8UNyon4:bERx17cK0Jq/5iFB4

Score

8^/10

evasion persistence privilege_escalation upx

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
688	netsh.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2152-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/memory/2152-26-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\System = "C:\\Windows\\system32\\kernels64.exe"	4dfbbd6e6872023dbc3afe2859baa021_JaffaCakes118.exe

Drops file in System32 directory 8 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\vx.tll	4dfbbd6e6872023dbc3afe2859baa021_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\kernels64.exe	4dfbbd6e6872023dbc3afe2859baa021_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\kernels64.exe	4dfbbd6e6872023dbc3afe2859baa021_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\vxh8jkdq1.exe	4dfbbd6e6872023dbc3afe2859baa021_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\vxh8jkdq2.exe	4dfbbd6e6872023dbc3afe2859baa021_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\vxh8jkdq5.exe	4dfbbd6e6872023dbc3afe2859baa021_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\vxh8jkdq6.exe	4dfbbd6e6872023dbc3afe2859baa021_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\vxh8jkdq7.exe	4dfbbd6e6872023dbc3afe2859baa021_JaffaCakes118.exe

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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2152 wrote to memory of 688	2152	4dfbbd6e6872023dbc3afe2859baa021_JaffaCakes118.exe	29
PID 2152 wrote to memory of 688	2152	4dfbbd6e6872023dbc3afe2859baa021_JaffaCakes118.exe	29
PID 2152 wrote to memory of 688	2152	4dfbbd6e6872023dbc3afe2859baa021_JaffaCakes118.exe	29
PID 2152 wrote to memory of 688	2152	4dfbbd6e6872023dbc3afe2859baa021_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\4dfbbd6e6872023dbc3afe2859baa021_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4dfbbd6e6872023dbc3afe2859baa021_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2152
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall set allowedprogram 'C:\Users\Admin\AppData\Local\Temp\4dfbbd6e6872023dbc3afe2859baa021_JaffaCakes118.exe' enable
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  PID:688

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

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\2.qtdfmp

Filesize
14KB

MD5
5b2c2c24b16ea76cba22d323f6aed98e

SHA1
033d3c30930b1d844e11dee48c0d3961d66467a3

SHA256
6cd17bab379dcf1f7e86e1755aa61ff454cf467ec8b6f9ee56b6714f93c3a8f2

SHA512
4ca99f67fdd8942be5084b2af0cbdadcf3ef2895a900f83c4d4b46dc48f907f6fc22e16494d21fdb6dd5c34dce9fa7b0a656a4801bceee3177533d1f9558a2c1

Download Submit
memory/2152-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2152-26-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads