404keylogger | 10d8e6e484170df49aee7c47d7c0b74b0c5626e91d0c61ae90defb9c91f28d28

General

Target

orden de compra.exe
Size

834KB
MD5

82ce2f8364d3dca44267a6b049b4a070
SHA1

091df496943099bfe2f03c5a0d53789ed89f094e
SHA256

ae6ad2297366fb5194e553992732f0a5740de2c5fe4b7be56fd2e1a52cb915c4
SHA512

3ee34812e076f7b835ddc99fd79f5585a7cb6471e632a9ab17dc0d41c701565c75bb0ee96a13cb9e8e9b67a4c3e3dcb29066df0878b8c8de5e403102681cc9e4
SSDEEP

12288:Ygs1igEFKsIHLJ+lyMziSR9De65ASncRoLoXTerD7FJTO187Du0lvBbczjQgykMQ:BFKLriziS1NtoqrLTO8DdB+7M2ygp

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/1616-17-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger
behavioral1/memory/1616-15-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger
behavioral1/memory/1616-10-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger
behavioral1/memory/1616-13-0x0000000000400000-0x0000000000422000-memory.dmp	family_404keylogger
behavioral1/memory/1616-9-0x0000000000400000-0x0000000000422000-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

Loads dropped DLL 5 IoCs

pid	Process
2712	WerFault.exe
2712	WerFault.exe
2712	WerFault.exe
2712	WerFault.exe
2712	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-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	orden de compra.exe
Key opened	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	orden de compra.exe
Key opened	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	orden de compra.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 3012 set thread context of 1616	3012	orden de compra.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2712	1616	WerFault.exe	29

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	orden de compra.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	orden de compra.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1616	orden de compra.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 1616	3012	orden de compra.exe	29
PID 3012 wrote to memory of 1616	3012	orden de compra.exe	29
PID 3012 wrote to memory of 1616	3012	orden de compra.exe	29
PID 3012 wrote to memory of 1616	3012	orden de compra.exe	29
PID 3012 wrote to memory of 1616	3012	orden de compra.exe	29
PID 3012 wrote to memory of 1616	3012	orden de compra.exe	29
PID 3012 wrote to memory of 1616	3012	orden de compra.exe	29
PID 3012 wrote to memory of 1616	3012	orden de compra.exe	29
PID 3012 wrote to memory of 1616	3012	orden de compra.exe	29
PID 1616 wrote to memory of 2712	1616	orden de compra.exe	30
PID 1616 wrote to memory of 2712	1616	orden de compra.exe	30
PID 1616 wrote to memory of 2712	1616	orden de compra.exe	30
PID 1616 wrote to memory of 2712	1616	orden de compra.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	orden de compra.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	orden de compra.exe

C:\Users\Admin\AppData\Local\Temp\orden de compra.exe
"C:\Users\Admin\AppData\Local\Temp\orden de compra.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Users\Admin\AppData\Local\Temp\orden de compra.exe
  "C:\Users\Admin\AppData\Local\Temp\orden de compra.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:1616
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1616 -s 1088
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2712

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

\Users\Admin\AppData\Local\Temp\orden de compra.exe

Filesize
834KB

MD5
82ce2f8364d3dca44267a6b049b4a070

SHA1
091df496943099bfe2f03c5a0d53789ed89f094e

SHA256
ae6ad2297366fb5194e553992732f0a5740de2c5fe4b7be56fd2e1a52cb915c4

SHA512
3ee34812e076f7b835ddc99fd79f5585a7cb6471e632a9ab17dc0d41c701565c75bb0ee96a13cb9e8e9b67a4c3e3dcb29066df0878b8c8de5e403102681cc9e4

Download Submit
memory/1616-10-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1616-26-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/1616-20-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/1616-19-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/1616-9-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1616-13-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1616-8-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1616-7-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1616-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1616-17-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/1616-15-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/3012-5-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/3012-6-0x0000000000C30000-0x0000000000C7A000-memory.dmp

Filesize
296KB

Download
memory/3012-0-0x0000000073F7E000-0x0000000073F7F000-memory.dmp

Filesize
4KB

Download
memory/3012-18-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/3012-4-0x0000000073F7E000-0x0000000073F7F000-memory.dmp

Filesize
4KB

Download
memory/3012-3-0x0000000073F70000-0x000000007465E000-memory.dmp

Filesize
6.9MB

Download
memory/3012-2-0x0000000000320000-0x000000000032A000-memory.dmp

Filesize
40KB

Download
memory/3012-1-0x00000000012E0000-0x00000000013B6000-memory.dmp

Filesize
856KB

Download

Analysis

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