7ddeb263d000da9cdad7f64b0fa20eaa6e49452da2c58231cc1f5d1b2075346c

General

Target

4a1b278e22d8bacdb0764a0ef68fa44e_JaffaCakes118.exe
Size

784KB
MD5

4a1b278e22d8bacdb0764a0ef68fa44e
SHA1

9d638697c5c1426295e7013e29da5da9fd7b6e08
SHA256

7ddeb263d000da9cdad7f64b0fa20eaa6e49452da2c58231cc1f5d1b2075346c
SHA512

ebf3bdefe5c17dc65fa227194c5392f381f76a2a9f13d4a79c9bbbdafd886f2ab870599e35e68c3299920b6d91b8459053f5151c463f84a10c338b2f8df24c87
SSDEEP

12288:6DvpRBk2lTLqzEPlnvHeASzmR1CXEtwroAOCCE3VkxBH8Y1tz2wASRvBmL9c0zJU:KYARvBAcwioRS

Score

10^/10

evasion persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
ranuranuwcs

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	yrUqgjjt.exe.exe

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"	yrUqgjjt.exe.exe

Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

persistence

Active Setup

T1547.014

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{cQL735Z8-0X96-97t0-yE9l-18vxfhG6mp3C}	yrUqgjjt.exe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{cQL735Z8-0X96-97t0-yE9l-18vxfhG6mp3C}\stubpath = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows Firewall\\WIN32.exe"	yrUqgjjt.exe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{cQL735Z8-0X96-97t0-yE9l-18vxfhG6mp3C}\ComponentID = "Windows Firewall"	yrUqgjjt.exe.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\{cQL735Z8-0X96-97t0-yE9l-18vxfhG6mp3C}\ = "Microsoft Windows"	yrUqgjjt.exe.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\International\Geo\Nation	4a1b278e22d8bacdb0764a0ef68fa44e_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\International\Geo\Nation	yrUqgjjt.exe.exe

Executes dropped EXE 3 IoCs

pid	Process
724	yrUqgjjt.exe.exe
1744	UAC.exe
4892	firewall.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

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\USER\S-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Users\\Admin\\AppData\\Roaming\\Local\\Microsoft\\CurrentVersion\\UAC.exe"	yrUqgjjt.exe.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	yrUqgjjt.exe.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	yrUqgjjt.exe.exe

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
30	whatismyip.com

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
724	yrUqgjjt.exe.exe
724	yrUqgjjt.exe.exe
724	yrUqgjjt.exe.exe
724	yrUqgjjt.exe.exe
724	yrUqgjjt.exe.exe
1744	UAC.exe
1744	UAC.exe
1744	UAC.exe
724	yrUqgjjt.exe.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1744	UAC.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	724	yrUqgjjt.exe.exe
Token: SeDebugPrivilege	1744	UAC.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
724	yrUqgjjt.exe.exe
1744	UAC.exe
4892	firewall.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 724	2824	4a1b278e22d8bacdb0764a0ef68fa44e_JaffaCakes118.exe	83
PID 2824 wrote to memory of 724	2824	4a1b278e22d8bacdb0764a0ef68fa44e_JaffaCakes118.exe	83
PID 724 wrote to memory of 1744	724	yrUqgjjt.exe.exe	93
PID 724 wrote to memory of 1744	724	yrUqgjjt.exe.exe	93
PID 724 wrote to memory of 4892	724	yrUqgjjt.exe.exe	95
PID 724 wrote to memory of 4892	724	yrUqgjjt.exe.exe	95
PID 724 wrote to memory of 4892	724	yrUqgjjt.exe.exe	95

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"	yrUqgjjt.exe.exe

C:\Users\Admin\AppData\Local\Temp\4a1b278e22d8bacdb0764a0ef68fa44e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4a1b278e22d8bacdb0764a0ef68fa44e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2824
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\yrUqgjjt.exe.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\yrUqgjjt.exe.exe"
  2⤵
  - Modifies visibility of file extensions in Explorer
  - UAC bypass
  - Boot or Logon Autostart Execution: Active Setup
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:724
- - C:\Users\Admin\AppData\Roaming\Local\Microsoft\CurrentVersion\UAC.exe
    "C:\Users\Admin\AppData\Roaming\Local\Microsoft\CurrentVersion\UAC.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:1744
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\firewall.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\firewall.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    PID:4892

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Boot or Logon Autostart Execution

2

T1547

Active Setup

1

T1547.014

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Hide Artifacts

1

T1564

Hidden Files and Directories

1

T1564.001

Impair Defenses

1

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\firewall.exe

Filesize
24KB

MD5
8e79606214833e936eb4b95726e465de

SHA1
1d7f3a3ab9864a21bad022be19fb3e8040ec43fd

SHA256
84e95480da9f5b3b7de59a5c3f9c1d024c8e195a9e9cb9321782c42a249f1902

SHA512
5671b5ea726759784ccfb5964a771b4cd7b2a9d5ee950bc91ec1457998ef0395e555919be2952c518e9be5bce3b8ef6c112dcbc8205adfc0c82698e6143c58f9

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\yrUqgjjt.exe.exe

Filesize
278KB

MD5
2a40b4e01ffba72885bd4aa3a9cd0dbd

SHA1
2213b473bef30e87d367c68e951a412e2e03ee46

SHA256
1cb99c23c9a8f386315a4defcde54e12d8a29c00c941b524316fbac53e444362

SHA512
52ce21bf22f46c5d4e2e17e3b0deb339a7e0a58bdaad554c1be66b9aa2c4ae8a800518aaa22dd16346598d9dad80f9f7239c073a0b5c7bd6f3e8fce6aa1cb392

Download Submit
memory/724-17-0x00007FFC189A0000-0x00007FFC19341000-memory.dmp

Filesize
9.6MB

Download
memory/724-20-0x00007FFC189A0000-0x00007FFC19341000-memory.dmp

Filesize
9.6MB

Download
memory/724-60-0x00007FFC189A0000-0x00007FFC19341000-memory.dmp

Filesize
9.6MB

Download
memory/724-56-0x00007FFC189A0000-0x00007FFC19341000-memory.dmp

Filesize
9.6MB

Download
memory/724-18-0x000000001B6B0000-0x000000001BB7E000-memory.dmp

Filesize
4.8MB

Download
memory/724-55-0x0000000020E60000-0x0000000020EC2000-memory.dmp

Filesize
392KB

Download
memory/724-19-0x000000001B080000-0x000000001B11C000-memory.dmp

Filesize
624KB

Download
memory/724-49-0x00007FFC189A0000-0x00007FFC19341000-memory.dmp

Filesize
9.6MB

Download
memory/724-21-0x000000001B120000-0x000000001B128000-memory.dmp

Filesize
32KB

Download
memory/724-22-0x00007FFC189A0000-0x00007FFC19341000-memory.dmp

Filesize
9.6MB

Download
memory/724-23-0x00007FFC189A0000-0x00007FFC19341000-memory.dmp

Filesize
9.6MB

Download
memory/724-39-0x000000001F200000-0x000000001F50E000-memory.dmp

Filesize
3.1MB

Download
memory/724-40-0x000000001BE70000-0x000000001BE82000-memory.dmp

Filesize
72KB

Download
memory/724-52-0x00007FFC189A0000-0x00007FFC19341000-memory.dmp

Filesize
9.6MB

Download
memory/724-48-0x00007FFC189A0000-0x00007FFC19341000-memory.dmp

Filesize
9.6MB

Download
memory/2824-16-0x00007FFC189A0000-0x00007FFC19341000-memory.dmp

Filesize
9.6MB

Download
memory/2824-1-0x000000001B190000-0x000000001B236000-memory.dmp

Filesize
664KB

Download
memory/2824-3-0x00007FFC189A0000-0x00007FFC19341000-memory.dmp

Filesize
9.6MB

Download
memory/2824-0-0x00007FFC18C55000-0x00007FFC18C56000-memory.dmp

Filesize
4KB

Download
memory/2824-15-0x00007FFC189A0000-0x00007FFC19341000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads