404keylogger | 40ed2cee21f04d3dd5a62951a4b99976327816ee918255bc12b6d40247b2b1c0

General

Target

b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.exe
Size

587KB
MD5

b398016c2c3010ef8c0f27aa42b644a6
SHA1

3e4a79872d1b33f48bb6f07a21d5cb5806243194
SHA256

40ed2cee21f04d3dd5a62951a4b99976327816ee918255bc12b6d40247b2b1c0
SHA512

373ecc8e63b459b3d87ea835e69f4e924c0bd4ce37d00edf88609d29220778d40644b8347452c49d9c3c25a7925c7b605e40150351b685ec428c509f13c7dd88
SSDEEP

12288:KbeZ4+70pKXQlNVChbacUYBneDCAxRzaJVo4sqHm00Y1JkgB:oeyIObqneDCcqo7O551Jt

Score

10^/10

404keylogger collection credential_access discovery keylogger spyware stealer

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.maccinox.com
Port:
587
Username:
[email protected]
Password:
peru2016

Signatures

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

404 Keylogger Main Executable 1 IoCs

resource	yara_rule
behavioral2/memory/1136-12-0x0000000000400000-0x0000000000422000-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
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
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-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b398016c2c3010ef8c0f27aa42b644a6_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
52	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3996 set thread context of 1136	3996	b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.exe	100

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2588	1136	WerFault.exe	100

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	b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1136	b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1136	b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1136	b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3996 wrote to memory of 1136	3996	b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.exe	100
PID 3996 wrote to memory of 1136	3996	b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.exe	100
PID 3996 wrote to memory of 1136	3996	b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.exe	100
PID 3996 wrote to memory of 1136	3996	b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.exe	100
PID 3996 wrote to memory of 1136	3996	b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.exe	100
PID 3996 wrote to memory of 1136	3996	b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.exe	100
PID 3996 wrote to memory of 1136	3996	b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.exe	100
PID 3996 wrote to memory of 1136	3996	b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.exe	100

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3996
- C:\Users\Admin\AppData\Local\Temp\b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.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:1136
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1136 -s 1112
    3⤵
    - Program crash
    PID:2588

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1136 -ip 1136
1⤵
PID:4628

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

4

T1552

Credentials In Files

4

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\b398016c2c3010ef8c0f27aa42b644a6_JaffaCakes118.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
memory/1136-12-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1136-23-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/1136-22-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/1136-21-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/1136-19-0x0000000006DE0000-0x0000000006FA2000-memory.dmp

Filesize
1.8MB

Download
memory/1136-18-0x0000000006620000-0x0000000006686000-memory.dmp

Filesize
408KB

Download
memory/1136-17-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/1136-15-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/3996-10-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/3996-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/3996-11-0x00000000013E0000-0x000000000143C000-memory.dmp

Filesize
368KB

Download
memory/3996-9-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/3996-8-0x0000000005970000-0x000000000597A000-memory.dmp

Filesize
40KB

Download
memory/3996-7-0x0000000005780000-0x00000000057D6000-memory.dmp

Filesize
344KB

Download
memory/3996-16-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/3996-6-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download
memory/3996-5-0x0000000005520000-0x000000000552A000-memory.dmp

Filesize
40KB

Download
memory/3996-4-0x00000000055A0000-0x0000000005632000-memory.dmp

Filesize
584KB

Download
memory/3996-3-0x0000000005AB0000-0x0000000006054000-memory.dmp

Filesize
5.6MB

Download
memory/3996-2-0x0000000005400000-0x000000000549C000-memory.dmp

Filesize
624KB

Download
memory/3996-1-0x0000000000A30000-0x0000000000ACA000-memory.dmp

Filesize
616KB

Download

Analysis

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