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

Extracted

Credentials

Protocol: smtp
Host:
mail.maccinox.com
Port:
587
Username:
[email protected]
Password:
peru2016

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/3308-12-0x0000000000400000-0x0000000000422000-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
behavioral2/memory/1192-8-0x0000000005A80000-0x0000000005A88000-memory.dmp	CustAttr

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-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	orden010221.exe
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	orden010221.exe
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\16.0\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
42	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1192 set thread context of 3308	1192	orden010221.exe	97

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4832	3308	WerFault.exe	97

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

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3308	orden010221.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3308	orden010221.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3308	orden010221.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1192 wrote to memory of 3308	1192	orden010221.exe	97
PID 1192 wrote to memory of 3308	1192	orden010221.exe	97
PID 1192 wrote to memory of 3308	1192	orden010221.exe	97
PID 1192 wrote to memory of 3308	1192	orden010221.exe	97
PID 1192 wrote to memory of 3308	1192	orden010221.exe	97
PID 1192 wrote to memory of 3308	1192	orden010221.exe	97
PID 1192 wrote to memory of 3308	1192	orden010221.exe	97
PID 1192 wrote to memory of 3308	1192	orden010221.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	orden010221.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\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:1192
- 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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:3308
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3308 -s 1460
    3⤵
    - Program crash
    PID:4832

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3308 -ip 3308
1⤵
PID:4960

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\orden010221.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
memory/1192-10-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/1192-16-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/1192-9-0x000000007476E000-0x000000007476F000-memory.dmp

Filesize
4KB

Download
memory/1192-4-0x0000000005810000-0x00000000058A2000-memory.dmp

Filesize
584KB

Download
memory/1192-5-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/1192-6-0x0000000005740000-0x000000000574A000-memory.dmp

Filesize
40KB

Download
memory/1192-7-0x0000000005A10000-0x0000000005A66000-memory.dmp

Filesize
344KB

Download
memory/1192-8-0x0000000005A80000-0x0000000005A88000-memory.dmp

Filesize
32KB

Download
memory/1192-3-0x0000000005DC0000-0x0000000006364000-memory.dmp

Filesize
5.6MB

Download
memory/1192-2-0x0000000005770000-0x000000000580C000-memory.dmp

Filesize
624KB

Download
memory/1192-0-0x000000007476E000-0x000000007476F000-memory.dmp

Filesize
4KB

Download
memory/1192-11-0x00000000066C0000-0x000000000671C000-memory.dmp

Filesize
368KB

Download
memory/1192-1-0x0000000000CE0000-0x0000000000D5E000-memory.dmp

Filesize
504KB

Download
memory/3308-21-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/3308-17-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/3308-15-0x0000000074760000-0x0000000074F10000-memory.dmp

Filesize
7.7MB

Download
memory/3308-18-0x0000000006140000-0x00000000061A6000-memory.dmp

Filesize
408KB

Download
memory/3308-19-0x00000000067D0000-0x0000000006992000-memory.dmp

Filesize
1.8MB

Download
memory/3308-12-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download

Analysis

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