404keylogger | 6f114eb67f2957867f449185493502e761dac3bf42afec7fcea2a1f49135b83e

General

Target

6f114eb67f2957867f449185493502e761dac3bf42afec7fcea2a1f49135b83e.exe
Size

291KB
MD5

471c1bfe49a45efdbd925956ef79b18a
SHA1

4891a1b912848c5990ceabd7cfb815df4d7ee6ab
SHA256

6f114eb67f2957867f449185493502e761dac3bf42afec7fcea2a1f49135b83e
SHA512

58db68688cd70eb7d4646d6f31b618525b3c5bb282955d530ab023e18ebefd0d0f6be397f0c0866ae7d8c93e30c57a8ea6ffd7f60ccb94c470f13babae0100c3

Score

10^/10

404keylogger collection keylogger persistence 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
behavioral1/memory/2008-59-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\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

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Windows\CurrentVersion\Run\PPnQl = "C:\\Users\\Admin\\AppData\\Local\\PPnQlf\\PPnQlfntG.hta"	6f114eb67f2957867f449185493502e761dac3bf42afec7fcea2a1f49135b83e.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 1700 set thread context of 2008	1700	6f114eb67f2957867f449185493502e761dac3bf42afec7fcea2a1f49135b83e.exe	27

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1324	2008	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1700	6f114eb67f2957867f449185493502e761dac3bf42afec7fcea2a1f49135b83e.exe
1700	6f114eb67f2957867f449185493502e761dac3bf42afec7fcea2a1f49135b83e.exe
1700	6f114eb67f2957867f449185493502e761dac3bf42afec7fcea2a1f49135b83e.exe
1700	6f114eb67f2957867f449185493502e761dac3bf42afec7fcea2a1f49135b83e.exe
1700	6f114eb67f2957867f449185493502e761dac3bf42afec7fcea2a1f49135b83e.exe
2008	InstallUtil.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1700	6f114eb67f2957867f449185493502e761dac3bf42afec7fcea2a1f49135b83e.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1700	6f114eb67f2957867f449185493502e761dac3bf42afec7fcea2a1f49135b83e.exe
Token: SeDebugPrivilege	2008	InstallUtil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2008	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 2008	1700	6f114eb67f2957867f449185493502e761dac3bf42afec7fcea2a1f49135b83e.exe	27
PID 1700 wrote to memory of 2008	1700	6f114eb67f2957867f449185493502e761dac3bf42afec7fcea2a1f49135b83e.exe	27
PID 1700 wrote to memory of 2008	1700	6f114eb67f2957867f449185493502e761dac3bf42afec7fcea2a1f49135b83e.exe	27
PID 1700 wrote to memory of 2008	1700	6f114eb67f2957867f449185493502e761dac3bf42afec7fcea2a1f49135b83e.exe	27
PID 1700 wrote to memory of 2008	1700	6f114eb67f2957867f449185493502e761dac3bf42afec7fcea2a1f49135b83e.exe	27
PID 1700 wrote to memory of 2008	1700	6f114eb67f2957867f449185493502e761dac3bf42afec7fcea2a1f49135b83e.exe	27
PID 1700 wrote to memory of 2008	1700	6f114eb67f2957867f449185493502e761dac3bf42afec7fcea2a1f49135b83e.exe	27
PID 1700 wrote to memory of 2008	1700	6f114eb67f2957867f449185493502e761dac3bf42afec7fcea2a1f49135b83e.exe	27
PID 2008 wrote to memory of 1324	2008	InstallUtil.exe	29
PID 2008 wrote to memory of 1324	2008	InstallUtil.exe	29
PID 2008 wrote to memory of 1324	2008	InstallUtil.exe	29
PID 2008 wrote to memory of 1324	2008	InstallUtil.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-335065374-4263250628-1829373619-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\6f114eb67f2957867f449185493502e761dac3bf42afec7fcea2a1f49135b83e.exe
"C:\Users\Admin\AppData\Local\Temp\6f114eb67f2957867f449185493502e761dac3bf42afec7fcea2a1f49135b83e.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1700
- 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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:2008
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2008 -s 1340
    3⤵
    - Program crash
    PID:1324

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1700-54-0x0000000000170000-0x00000000001BE000-memory.dmp

Filesize
312KB

Download
memory/1700-55-0x0000000000530000-0x0000000000556000-memory.dmp

Filesize
152KB

Download
memory/1700-56-0x0000000000560000-0x0000000000586000-memory.dmp

Filesize
152KB

Download
memory/1700-57-0x0000000000320000-0x0000000000323000-memory.dmp

Filesize
12KB

Download
memory/2008-59-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2008-60-0x0000000075661000-0x0000000075663000-memory.dmp

Filesize
8KB

Download

Analysis

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