03ab9ed160437fb70245ff625e47325695395e23a6726e80b81d1025e3cd327d

General

Target

6ef50ed3896a94e948c0f54ebfafb097_JaffaCakes118.exe
Size

131KB
MD5

6ef50ed3896a94e948c0f54ebfafb097
SHA1

9f2e965528efb8b5647c3c9f5cd0d2ea4b59f87e
SHA256

03ab9ed160437fb70245ff625e47325695395e23a6726e80b81d1025e3cd327d
SHA512

fbdc883287037d08b072f21ff7d33deabbbcbe1adeaa9a77c5a172338ba70f38ff6d9ba6564e27f8c7ddc423e15d016f60c93870d74242ea7772468ce85f4b56
SSDEEP

3072:byvykMmWULgCdTZQpoGww24PRkoHGDBTDVbnD:bXkMULgCdTqpoGTjRk7D

Score

10^/10

evasion persistence privilege_escalation trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	gger.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2588	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2688	gger.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-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\Stre = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\gger.exe\" @.."	gger.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Stre = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\gger.exe\""	gger.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	gger.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	gger.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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2688	gger.exe
2688	gger.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2688	gger.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 2688	1792	6ef50ed3896a94e948c0f54ebfafb097_JaffaCakes118.exe	31
PID 1792 wrote to memory of 2688	1792	6ef50ed3896a94e948c0f54ebfafb097_JaffaCakes118.exe	31
PID 1792 wrote to memory of 2688	1792	6ef50ed3896a94e948c0f54ebfafb097_JaffaCakes118.exe	31
PID 2688 wrote to memory of 2588	2688	gger.exe	32
PID 2688 wrote to memory of 2588	2688	gger.exe	32
PID 2688 wrote to memory of 2588	2688	gger.exe	32

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	gger.exe

C:\Users\Admin\AppData\Local\Temp\6ef50ed3896a94e948c0f54ebfafb097_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6ef50ed3896a94e948c0f54ebfafb097_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1792
- C:\Users\Admin\AppData\Local\Temp\gger.exe
  "C:\Users\Admin\AppData\Local\Temp\gger.exe"
  2⤵
  - UAC bypass
  - Executes dropped EXE
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2688
- - C:\Windows\System32\netsh.exe
    "C:\Windows\System32\netsh.exe" firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\gger.exe" "gger.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:2588

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

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

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

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

2

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\gger.exe

Filesize
131KB

MD5
6ef50ed3896a94e948c0f54ebfafb097

SHA1
9f2e965528efb8b5647c3c9f5cd0d2ea4b59f87e

SHA256
03ab9ed160437fb70245ff625e47325695395e23a6726e80b81d1025e3cd327d

SHA512
fbdc883287037d08b072f21ff7d33deabbbcbe1adeaa9a77c5a172338ba70f38ff6d9ba6564e27f8c7ddc423e15d016f60c93870d74242ea7772468ce85f4b56

Download Submit
memory/1792-0-0x000007FEF54CE000-0x000007FEF54CF000-memory.dmp

Filesize
4KB

Download
memory/1792-1-0x000007FEF5210000-0x000007FEF5BAD000-memory.dmp

Filesize
9.6MB

Download
memory/1792-2-0x000007FEF5210000-0x000007FEF5BAD000-memory.dmp

Filesize
9.6MB

Download
memory/1792-8-0x000007FEF5210000-0x000007FEF5BAD000-memory.dmp

Filesize
9.6MB

Download
memory/2688-9-0x000007FEF5210000-0x000007FEF5BAD000-memory.dmp

Filesize
9.6MB

Download
memory/2688-10-0x000007FEF5210000-0x000007FEF5BAD000-memory.dmp

Filesize
9.6MB

Download
memory/2688-11-0x0000000000610000-0x0000000000620000-memory.dmp

Filesize
64KB

Download
memory/2688-12-0x000007FEF5210000-0x000007FEF5BAD000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads