404keylogger | bd704ad7133204a735457cb398b9eb5fd7662050ae1fcd379674cc4b06a70665

General

Target

c51c39d848c20c850cfb0d3d46e3448d_JaffaCakes118.exe
Size

334KB
MD5

c51c39d848c20c850cfb0d3d46e3448d
SHA1

9b4e635287a558f208c26e060a512d8a484ddee3
SHA256

bd704ad7133204a735457cb398b9eb5fd7662050ae1fcd379674cc4b06a70665
SHA512

ec5b7bf4257cfe5fe85c08d272a8e40851d18e2b315b80be33396d4de16e96d4ae619b5f567479df6099242bbc08554cb02f32a86552e10056172044af930a66
SSDEEP

6144:tXouwY91LBWi9GhXGWB80yPQzmAiWeZAykHLzExTCLNmTYY8YbsKOSgJ/wWGw/K1:No091L4i9GhXGWB80yPQzmAiWeZAykH+

Score

10^/10

404keylogger collection credential_access discovery keylogger persistence stealer

Malware Config

Signatures

404 Keylogger
Information stealer and keylogger first seen in 2019.
stealer keylogger 404keylogger

404 Keylogger Main Executable 3 IoCs

resource	yara_rule
behavioral1/memory/2312-8-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger
behavioral1/memory/2312-12-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger
behavioral1/memory/2312-10-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

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-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\bffpo = "C:\\Users\\Admin\\AppData\\Local\\bffpoY\\bffpoYYZV.hta"	c51c39d848c20c850cfb0d3d46e3448d_JaffaCakes118.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
2	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2448 set thread context of 2312	2448	c51c39d848c20c850cfb0d3d46e3448d_JaffaCakes118.exe	29

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	c51c39d848c20c850cfb0d3d46e3448d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2312	InstallUtil.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2448	c51c39d848c20c850cfb0d3d46e3448d_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2312	InstallUtil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2312	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2448 wrote to memory of 2312	2448	c51c39d848c20c850cfb0d3d46e3448d_JaffaCakes118.exe	29
PID 2448 wrote to memory of 2312	2448	c51c39d848c20c850cfb0d3d46e3448d_JaffaCakes118.exe	29
PID 2448 wrote to memory of 2312	2448	c51c39d848c20c850cfb0d3d46e3448d_JaffaCakes118.exe	29
PID 2448 wrote to memory of 2312	2448	c51c39d848c20c850cfb0d3d46e3448d_JaffaCakes118.exe	29
PID 2448 wrote to memory of 2312	2448	c51c39d848c20c850cfb0d3d46e3448d_JaffaCakes118.exe	29
PID 2448 wrote to memory of 2312	2448	c51c39d848c20c850cfb0d3d46e3448d_JaffaCakes118.exe	29
PID 2448 wrote to memory of 2312	2448	c51c39d848c20c850cfb0d3d46e3448d_JaffaCakes118.exe	29
PID 2448 wrote to memory of 2312	2448	c51c39d848c20c850cfb0d3d46e3448d_JaffaCakes118.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\c51c39d848c20c850cfb0d3d46e3448d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c51c39d848c20c850cfb0d3d46e3448d_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2448
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\InstallUtil.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2312

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

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2312-10-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2312-12-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2312-20-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2312-19-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2312-18-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2312-8-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2312-16-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2312-14-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2448-7-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2448-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/2448-15-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2448-1-0x0000000000C90000-0x0000000000CEA000-memory.dmp

Filesize
360KB

Download
memory/2448-13-0x0000000074A10000-0x00000000750FE000-memory.dmp

Filesize
6.9MB

Download
memory/2448-3-0x0000000074A1E000-0x0000000074A1F000-memory.dmp

Filesize
4KB

Download
memory/2448-2-0x00000000004B0000-0x00000000004D6000-memory.dmp

Filesize
152KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads