404keylogger | 4f8719454a5d66f66217862dfa00f945e23fa900ebbb2a15020e95d1456d9e8f

General

Target

orden010221.exe
Size

482KB
MD5

d35463b27bc9d531685c21d6b25bcb23
SHA1

44222b7cc9de3847bef8c6b5f5639a824edbaf7b
SHA256

2348ad3a4247f29ff40fbbdcbf559dedf6396e2fda0a1a9693d48fa0f0bc14b7
SHA512

de042bf76e89376c444b58f1ac055ca60306d1526c9cbd5de17334b8b6923098d67002b8579565347f7c1790da25b8ac0a32ba05647be84abe414c47f860c365
SSDEEP

12288:gb09CXxbZi970MGS33h3fIzRIBfzG7qCv7d6:gUIbZnSnhHfzGuCDI

Score

10^/10

404keylogger collection credential_access discovery keylogger spyware stealer

Malware Config

Signatures

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

404 Keylogger Main Executable 5 IoCs

resource	yara_rule
behavioral1/memory/2620-9-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger
behavioral1/memory/2620-11-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger
behavioral1/memory/2620-17-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger
behavioral1/memory/2620-19-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger
behavioral1/memory/2620-15-0x0000000000400000-0x0000000000422000-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

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral1/memory/2864-3-0x0000000000310000-0x0000000000318000-memory.dmp	CustAttr

Loads dropped DLL 5 IoCs

pid	Process
484	WerFault.exe
484	WerFault.exe
484	WerFault.exe
484	WerFault.exe
484	WerFault.exe

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-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	orden010221.exe
Key opened	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	orden010221.exe
Key opened	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	orden010221.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 2864 set thread context of 2620	2864	orden010221.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
484	2620	WerFault.exe	31

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	orden010221.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	orden010221.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	orden010221.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	orden010221.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2620	orden010221.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2620	orden010221.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2620	orden010221.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2864 wrote to memory of 2620	2864	orden010221.exe	31
PID 2864 wrote to memory of 2620	2864	orden010221.exe	31
PID 2864 wrote to memory of 2620	2864	orden010221.exe	31
PID 2864 wrote to memory of 2620	2864	orden010221.exe	31
PID 2864 wrote to memory of 2620	2864	orden010221.exe	31
PID 2864 wrote to memory of 2620	2864	orden010221.exe	31
PID 2864 wrote to memory of 2620	2864	orden010221.exe	31
PID 2864 wrote to memory of 2620	2864	orden010221.exe	31
PID 2864 wrote to memory of 2620	2864	orden010221.exe	31
PID 2620 wrote to memory of 484	2620	orden010221.exe	33
PID 2620 wrote to memory of 484	2620	orden010221.exe	33
PID 2620 wrote to memory of 484	2620	orden010221.exe	33
PID 2620 wrote to memory of 484	2620	orden010221.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	orden010221.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3450744190-3404161390-554719085-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	orden010221.exe

C:\Users\Admin\AppData\Local\Temp\orden010221.exe
"C:\Users\Admin\AppData\Local\Temp\orden010221.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2864
- C:\Users\Admin\AppData\Local\Temp\orden010221.exe
  "C:\Users\Admin\AppData\Local\Temp\orden010221.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:2620
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2620 -s 1124
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

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

\Users\Admin\AppData\Local\Temp\orden010221.exe

Filesize
482KB

MD5
d35463b27bc9d531685c21d6b25bcb23

SHA1
44222b7cc9de3847bef8c6b5f5639a824edbaf7b

SHA256
2348ad3a4247f29ff40fbbdcbf559dedf6396e2fda0a1a9693d48fa0f0bc14b7

SHA512
de042bf76e89376c444b58f1ac055ca60306d1526c9cbd5de17334b8b6923098d67002b8579565347f7c1790da25b8ac0a32ba05647be84abe414c47f860c365

Download Submit
memory/2620-20-0x0000000074180000-0x000000007486E000-memory.dmp

Filesize
6.9MB

Download
memory/2620-15-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2620-8-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2620-25-0x0000000074180000-0x000000007486E000-memory.dmp

Filesize
6.9MB

Download
memory/2620-7-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2620-22-0x0000000074180000-0x000000007486E000-memory.dmp

Filesize
6.9MB

Download
memory/2620-9-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2620-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2620-19-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2620-24-0x0000000074180000-0x000000007486E000-memory.dmp

Filesize
6.9MB

Download
memory/2620-11-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2620-17-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2864-1-0x0000000000D60000-0x0000000000DDE000-memory.dmp

Filesize
504KB

Download
memory/2864-2-0x0000000074180000-0x000000007486E000-memory.dmp

Filesize
6.9MB

Download
memory/2864-0-0x000000007418E000-0x000000007418F000-memory.dmp

Filesize
4KB

Download
memory/2864-21-0x0000000074180000-0x000000007486E000-memory.dmp

Filesize
6.9MB

Download
memory/2864-6-0x0000000004360000-0x00000000043BC000-memory.dmp

Filesize
368KB

Download
memory/2864-5-0x0000000074180000-0x000000007486E000-memory.dmp

Filesize
6.9MB

Download
memory/2864-4-0x000000007418E000-0x000000007418F000-memory.dmp

Filesize
4KB

Download
memory/2864-3-0x0000000000310000-0x0000000000318000-memory.dmp

Filesize
32KB

Download

Analysis

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