404keylogger | d4dd553c5040b5b0a0d7c9de9625dc8df2d2e420ca76f8dd77cf5436522721bb

General

Target
d4dd553c5040b5b0a0d7c9de9625dc8df2d2e420ca76f8dd77cf5436522721bb.exe
Size 1.2MB
Sample220524-dcpdrsgdgp
SHA256 d4dd553c5040b5b0a0d7c9de9625dc8df2d2e420ca76f8dd77cf5436522721bb
MD5 a857861c77250ff54bf7c2b6528e3466
SHA1 479ab463c285de670b6d4c65d973d1cc4ef65fd1
SHA512 57ef460274a7a17987427b94a8032e898cd3405a94825cf14ee2dffd1b8a260ece5e0a74da2a6a33a38761089be1dbd66c1bb8a7154eca1a94e73f9694bbb676
MD5 SHA1 SHA512

Score

10^/10

404keylogger collection keylogger stealer

Malware Config

Extracted

Credentials

Protocol
smtp
Host
us2.smtp.mailhostbox.com
Port
587
Username
[email protected]
Password
22june1969

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/2828-136-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\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
10	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 788 set thread context of 2828	788	d4dd553c5040b5b0a0d7c9de9625dc8df2d2e420ca76f8dd77cf5436522721bb.exe	79

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4144	2828	WerFault.exe	79

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2828	MSBuild.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
788	d4dd553c5040b5b0a0d7c9de9625dc8df2d2e420ca76f8dd77cf5436522721bb.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2828	MSBuild.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
788	d4dd553c5040b5b0a0d7c9de9625dc8df2d2e420ca76f8dd77cf5436522721bb.exe
788	d4dd553c5040b5b0a0d7c9de9625dc8df2d2e420ca76f8dd77cf5436522721bb.exe
788	d4dd553c5040b5b0a0d7c9de9625dc8df2d2e420ca76f8dd77cf5436522721bb.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
788	d4dd553c5040b5b0a0d7c9de9625dc8df2d2e420ca76f8dd77cf5436522721bb.exe
788	d4dd553c5040b5b0a0d7c9de9625dc8df2d2e420ca76f8dd77cf5436522721bb.exe
788	d4dd553c5040b5b0a0d7c9de9625dc8df2d2e420ca76f8dd77cf5436522721bb.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2828	MSBuild.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 788 wrote to memory of 2828	788	d4dd553c5040b5b0a0d7c9de9625dc8df2d2e420ca76f8dd77cf5436522721bb.exe	79
PID 788 wrote to memory of 2828	788	d4dd553c5040b5b0a0d7c9de9625dc8df2d2e420ca76f8dd77cf5436522721bb.exe	79
PID 788 wrote to memory of 2828	788	d4dd553c5040b5b0a0d7c9de9625dc8df2d2e420ca76f8dd77cf5436522721bb.exe	79
PID 788 wrote to memory of 2828	788	d4dd553c5040b5b0a0d7c9de9625dc8df2d2e420ca76f8dd77cf5436522721bb.exe	79

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\d4dd553c5040b5b0a0d7c9de9625dc8df2d2e420ca76f8dd77cf5436522721bb.exe
"C:\Users\Admin\AppData\Local\Temp\d4dd553c5040b5b0a0d7c9de9625dc8df2d2e420ca76f8dd77cf5436522721bb.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:788
- 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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2828
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2828 -s 2124
    3⤵
    - Program crash
    PID:4144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 2828 -ip 2828
1⤵
PID:1212

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/788-133-0x0000000003960000-0x000000000397C000-memory.dmp

Download

memory/788-135-0x0000000003980000-0x000000000399C000-memory.dmp

Download

memory/2828-136-0x0000000000400000-0x0000000000422000-memory.dmp

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memory/2828-137-0x0000000005E60000-0x0000000006404000-memory.dmp

Download

memory/2828-138-0x0000000005950000-0x00000000059EC000-memory.dmp

Download

memory/2828-139-0x00000000068C0000-0x0000000006926000-memory.dmp

Download

memory/2828-140-0x0000000006F40000-0x0000000007102000-memory.dmp

Download

memory/2828-141-0x0000000007210000-0x00000000072A2000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads