bef94bc4eb5d582f98d72465679ff87a63fca8cad1fdc1cf482f675a4b9dd042

General

Target

3da05803140fb50b6474f4d564a0e8de_JaffaCakes118.exe
Size

174KB
MD5

3da05803140fb50b6474f4d564a0e8de
SHA1

c52d248653d71af3a86ca62ee866e8f92adda433
SHA256

bef94bc4eb5d582f98d72465679ff87a63fca8cad1fdc1cf482f675a4b9dd042
SHA512

5aa603ddfefb7079a2ef6790686d1fe2fa73cfb9b08cb6dccfa0fbdfcab60ceac69b84f2db122a3c715e7b8008558a35e471e1b22cb75b3ae0dbf56b12f43fe3
SSDEEP

3072:sNbo/L5SONPGZE5hyzktjTrVTtcwXp5Ku/tilbaDEKp:saLpPGZEGzktTVTtcIp5Ku/tilWBp

Score

8^/10

discovery evasion persistence privilege_escalation

Malware Config

Signatures

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2300	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\895f17b6a361b375326f1e686fac0cba.exe	Avast.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\895f17b6a361b375326f1e686fac0cba.exe	Avast.exe

Executes dropped EXE 1 IoCs

pid	Process
1988	Avast.exe

Loads dropped DLL 1 IoCs

pid	Process
1160	3da05803140fb50b6474f4d564a0e8de_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\895f17b6a361b375326f1e686fac0cba = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Avast.exe\" .."	Avast.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\895f17b6a361b375326f1e686fac0cba = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Avast.exe\" .."	Avast.exe

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

System Information Discovery
T1082

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 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	3da05803140fb50b6474f4d564a0e8de_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Avast.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1988	Avast.exe
1988	Avast.exe
1988	Avast.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1988	Avast.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1160 wrote to memory of 1988	1160	3da05803140fb50b6474f4d564a0e8de_JaffaCakes118.exe	31
PID 1160 wrote to memory of 1988	1160	3da05803140fb50b6474f4d564a0e8de_JaffaCakes118.exe	31
PID 1160 wrote to memory of 1988	1160	3da05803140fb50b6474f4d564a0e8de_JaffaCakes118.exe	31
PID 1160 wrote to memory of 1988	1160	3da05803140fb50b6474f4d564a0e8de_JaffaCakes118.exe	31
PID 1988 wrote to memory of 2300	1988	Avast.exe	32
PID 1988 wrote to memory of 2300	1988	Avast.exe	32
PID 1988 wrote to memory of 2300	1988	Avast.exe	32
PID 1988 wrote to memory of 2300	1988	Avast.exe	32

C:\Users\Admin\AppData\Local\Temp\3da05803140fb50b6474f4d564a0e8de_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3da05803140fb50b6474f4d564a0e8de_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1160
- C:\Users\Admin\AppData\Local\Temp\Avast.exe
  "C:\Users\Admin\AppData\Local\Temp\Avast.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1988
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Avast.exe" "Avast.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2300

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

System Information Discovery

1

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\Avast.exe

Filesize
174KB

MD5
3da05803140fb50b6474f4d564a0e8de

SHA1
c52d248653d71af3a86ca62ee866e8f92adda433

SHA256
bef94bc4eb5d582f98d72465679ff87a63fca8cad1fdc1cf482f675a4b9dd042

SHA512
5aa603ddfefb7079a2ef6790686d1fe2fa73cfb9b08cb6dccfa0fbdfcab60ceac69b84f2db122a3c715e7b8008558a35e471e1b22cb75b3ae0dbf56b12f43fe3

Download Submit
memory/1160-0-0x00000000744A1000-0x00000000744A2000-memory.dmp

Filesize
4KB

Download
memory/1160-1-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/1160-2-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/1160-10-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/1988-11-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/1988-13-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/1988-14-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download
memory/1988-15-0x00000000744A0000-0x0000000074A4B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads