404keylogger | c66e852871402c8790e733a2c84a9490b8906b6769788135cf886fd905c6e2a3

General

Target
TAJ ALKHIRRAT PO NO102018REV1.exe
Size 1.2MB
Sample220521-mmrrbacae3
SHA256 20f915f2da2ed5058de670c17dde36d863699fdca9a64edfcfb4e1dd9db46b39
MD5 ccf45a5db4f9a66a753bf814773cedb5
SHA1 22eef3d62696cf9c54705ff46fc3a4e242496013
SHA512 2bef1995fd50aad2a0a96d4a33b71747bd7fc676cc66cd5628557ed63027ffa7893fe959914306684a8c4d9d1005f9d04b02fae86ceb381910df8b38bc757eda
MD5 SHA1 SHA512

Score

10^/10

404keylogger collection keylogger stealer

Malware Config

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/4688-133-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger

Drops startup file 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\MaxxAudioMeters64.url	TAJ ALKHIRRAT PO NO102018REV1.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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
27	checkip.dyndns.org

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4252 set thread context of 4688	4252	TAJ ALKHIRRAT PO NO102018REV1.exe	77
PID 4252 set thread context of 4824	4252	TAJ ALKHIRRAT PO NO102018REV1.exe	88

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4276	4688	WerFault.exe	77

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4688	MSBuild.exe
Token: SeDebugPrivilege	4824	MSBuild.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe
4252	TAJ ALKHIRRAT PO NO102018REV1.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4252 wrote to memory of 4688	4252	TAJ ALKHIRRAT PO NO102018REV1.exe	77
PID 4252 wrote to memory of 4688	4252	TAJ ALKHIRRAT PO NO102018REV1.exe	77
PID 4252 wrote to memory of 4688	4252	TAJ ALKHIRRAT PO NO102018REV1.exe	77
PID 4252 wrote to memory of 4688	4252	TAJ ALKHIRRAT PO NO102018REV1.exe	77
PID 4252 wrote to memory of 4688	4252	TAJ ALKHIRRAT PO NO102018REV1.exe	77
PID 4252 wrote to memory of 4824	4252	TAJ ALKHIRRAT PO NO102018REV1.exe	88
PID 4252 wrote to memory of 4824	4252	TAJ ALKHIRRAT PO NO102018REV1.exe	88
PID 4252 wrote to memory of 4824	4252	TAJ ALKHIRRAT PO NO102018REV1.exe	88
PID 4252 wrote to memory of 4824	4252	TAJ ALKHIRRAT PO NO102018REV1.exe	88
PID 4252 wrote to memory of 4824	4252	TAJ ALKHIRRAT PO NO102018REV1.exe	88

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\TAJ ALKHIRRAT PO NO102018REV1.exe
"C:\Users\Admin\AppData\Local\Temp\TAJ ALKHIRRAT PO NO102018REV1.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4252
- 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 use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 1508
    3⤵
    - Program crash
    PID:4276
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4688 -ip 4688
1⤵
PID:2764

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/4252-130-0x0000000001790000-0x00000000017C7000-memory.dmp

Download

memory/4252-131-0x00000000017D0000-0x0000000001807000-memory.dmp

Download

memory/4688-133-0x0000000000400000-0x0000000000422000-memory.dmp

Download

memory/4688-138-0x0000000005AE0000-0x0000000006084000-memory.dmp

Download

memory/4688-139-0x0000000005530000-0x00000000055CC000-memory.dmp

Download

memory/4688-140-0x00000000064A0000-0x0000000006662000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads