404keylogger | 55ab05e1697ce4d0f3a90ccb74c8af6c484d91d1dfd69f1509aa8b2e4aa61036

General

Target

d065412f7009c7503dd316f39421237a_JaffaCakes118.exe
Size

1.1MB
MD5

d065412f7009c7503dd316f39421237a
SHA1

7bfc3beb5a530ecfb21b87fb74a97b5ca9d19da9
SHA256

55ab05e1697ce4d0f3a90ccb74c8af6c484d91d1dfd69f1509aa8b2e4aa61036
SHA512

398fdc3680aa5fdf784d2e593ca041b7d5547df3a5825b88eba85da8a94c995cc76b0bdc5521b79e43764e9f47c8df9edca703b513f32fee3b75704b78a5325b
SSDEEP

24576:uu6Jx3O0c+JY5UZ+XC0kGso/Waw4SWH4InMUyKWY:gI0c++OCvkGsUWaw4qY

Score

10^/10

404keylogger collection credential_access discovery keylogger 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/1624-11-0x0000000000400000-0x000000000041E000-memory.dmp	family_404keylogger
behavioral1/memory/1624-10-0x0000000000400000-0x000000000041E000-memory.dmp	family_404keylogger
behavioral1/memory/1624-3-0x0000000000400000-0x000000000041E000-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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2520 set thread context of 1624	2520	d065412f7009c7503dd316f39421237a_JaffaCakes118.exe	30

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	d065412f7009c7503dd316f39421237a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1624	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1624	MSBuild.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2520	d065412f7009c7503dd316f39421237a_JaffaCakes118.exe
2520	d065412f7009c7503dd316f39421237a_JaffaCakes118.exe
2520	d065412f7009c7503dd316f39421237a_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2520	d065412f7009c7503dd316f39421237a_JaffaCakes118.exe
2520	d065412f7009c7503dd316f39421237a_JaffaCakes118.exe
2520	d065412f7009c7503dd316f39421237a_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1624	MSBuild.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 1624	2520	d065412f7009c7503dd316f39421237a_JaffaCakes118.exe	30
PID 2520 wrote to memory of 1624	2520	d065412f7009c7503dd316f39421237a_JaffaCakes118.exe	30
PID 2520 wrote to memory of 1624	2520	d065412f7009c7503dd316f39421237a_JaffaCakes118.exe	30
PID 2520 wrote to memory of 1624	2520	d065412f7009c7503dd316f39421237a_JaffaCakes118.exe	30
PID 2520 wrote to memory of 1624	2520	d065412f7009c7503dd316f39421237a_JaffaCakes118.exe	30
PID 2520 wrote to memory of 1624	2520	d065412f7009c7503dd316f39421237a_JaffaCakes118.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\d065412f7009c7503dd316f39421237a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d065412f7009c7503dd316f39421237a_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.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:1624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

memory/1624-2-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1624-7-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1624-11-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1624-10-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1624-3-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1624-12-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/1624-13-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/1624-14-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/1624-15-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/2520-0-0x0000000000160000-0x0000000000179000-memory.dmp

Filesize
100KB

Download
memory/2520-1-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download

Analysis

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