404keylogger | 3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c

Target

3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe
Size

747KB
MD5

3cd2595e3d20f8200d3ddf84b81932de
SHA1

c05f5a5fd2e0da7be16621a5482541f3d492891c
SHA256

3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c
SHA512

fbc314a53bb2eeba48c0cf5793cc93b1f9361e62aa38de34c941d57bb677b0868e651ed46b783fef939c4b9659048b4a555c3e647201aae7ce1f9e9bf0731670
SSDEEP

12288:H7nYP1+rSlwFON6zXeEt+f2VtTwfyfyp4P7r9r/+ppppppppppppppppppppppp0:HDYP1+rDOkKderNqS1qU

Score

10^/10

404keylogger formbook cix collection credential_access discovery keylogger persistence rat spyware stealer trojan

Malware Config

Extracted

Family

404keylogger

Credentials

Protocol: smtp
Host:
mail.cheaperdomains.com.au
Port:
25
Username:
[email protected]
Password:
C0mplete
Email To:
[email protected]

Extracted

Family

formbook

Version

3.9

Campaign

cix

Decoy

stephaniperold.com

sorairo12.com

palumasteknik.com

marketing4proptech.com

iwanttoheargod.com

structured-waters.com

sunvalleyvacations.net

sanketweb.com

tmasco.com

d-valentine.com

engmousavi.com

lithiumtolashes.com

texastramper.com

shoemall.store

beginningguitarbook.com

wonderlustnfairytales.com

bizinabox.store

kmacg.net

cashgold4cash.com

smtpguide.com

Signatures

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

404 Keylogger Main Executable 2 IoCs

resource	yara_rule
behavioral1/files/0x000800000001ac53-20.dat	family_404keylogger
behavioral1/memory/4736-24-0x0000000000AB0000-0x0000000000ACE000-memory.dmp	family_404keylogger

404Keylogger family
404keylogger
Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/3040-35-0x0000000000400000-0x00000000004BE000-memory.dmp	formbook
behavioral1/memory/3040-42-0x0000000000400000-0x00000000004BE000-memory.dmp	formbook

Executes dropped EXE 3 IoCs

pid	Process
4960	Coseismic.scr
4736	Payment receipt.exe
3040	Coseismic.scr

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 3 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

Credentials from Web Browsers
T1555.003
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-1-5-21-160447019-1232603106-4168707212-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment receipt.exe
Key opened	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment receipt.exe
Key opened	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment receipt.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\plymouthism = "wscript \"C:\\Users\\Admin\\Pinatype\\Coseismic.vbs\""	Coseismic.scr

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
1	checkip.dyndns.org

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3040 set thread context of 3276	3040	Coseismic.scr	54
PID 3960 set thread context of 3276	3960	ipconfig.exe	54

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\win.ini	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe
File opened for modification	C:\Windows\win.ini	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe
File opened for modification	C:\Windows\win.ini	Coseismic.scr
File opened for modification	C:\Windows\win.ini	Coseismic.scr

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 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	Coseismic.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payment receipt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Coseismic.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
3960	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 49 IoCs

pid	Process
4736	Payment receipt.exe
3040	Coseismic.scr
3040	Coseismic.scr
3040	Coseismic.scr
3040	Coseismic.scr
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe
3960	ipconfig.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3040	Coseismic.scr
3040	Coseismic.scr
3040	Coseismic.scr
3960	ipconfig.exe
3960	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4736	Payment receipt.exe
Token: SeDebugPrivilege	3040	Coseismic.scr
Token: SeDebugPrivilege	3960	ipconfig.exe
Token: SeShutdownPrivilege	3276	Explorer.EXE
Token: SeCreatePagefilePrivilege	3276	Explorer.EXE

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2804	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe
3292	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe
4960	Coseismic.scr
3040	Coseismic.scr
4736	Payment receipt.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2804 wrote to memory of 3292	2804	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	73
PID 2804 wrote to memory of 3292	2804	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	73
PID 2804 wrote to memory of 3292	2804	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	73
PID 3292 wrote to memory of 4960	3292	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	74
PID 3292 wrote to memory of 4960	3292	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	74
PID 3292 wrote to memory of 4960	3292	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	74
PID 3292 wrote to memory of 4736	3292	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	75
PID 3292 wrote to memory of 4736	3292	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	75
PID 3292 wrote to memory of 4736	3292	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	75
PID 4960 wrote to memory of 3040	4960	Coseismic.scr	76
PID 4960 wrote to memory of 3040	4960	Coseismic.scr	76
PID 4960 wrote to memory of 3040	4960	Coseismic.scr	76
PID 3276 wrote to memory of 3960	3276	Explorer.EXE	78
PID 3276 wrote to memory of 3960	3276	Explorer.EXE	78
PID 3276 wrote to memory of 3960	3276	Explorer.EXE	78
PID 3960 wrote to memory of 4236	3960	ipconfig.exe	79
PID 3960 wrote to memory of 4236	3960	ipconfig.exe	79
PID 3960 wrote to memory of 4236	3960	ipconfig.exe	79

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment receipt.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-160447019-1232603106-4168707212-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment receipt.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3276
- C:\Users\Admin\AppData\Local\Temp\3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe
  "C:\Users\Admin\AppData\Local\Temp\3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe"
  2⤵
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2804
- - C:\Users\Admin\AppData\Local\Temp\3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe
    "C:\Users\Admin\AppData\Local\Temp\3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe"
    3⤵
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3292
  - - C:\Users\Admin\Pinatype\Coseismic.scr
      "C:\Users\Admin\Pinatype\Coseismic.scr" /S
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4960
    - - C:\Users\Admin\Pinatype\Coseismic.scr
        
        "C:\Users\Admin\Pinatype\Coseismic.scr" /S
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Drops file in Windows directory
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: MapViewOfSection
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:3040
  - - C:\Users\Admin\Payment receipt.exe
      "C:\Users\Admin\Payment receipt.exe"
      4⤵
      Executes dropped EXE
      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:4736
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3960
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\Pinatype\Coseismic.scr"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4236

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Payment receipt.exe

Filesize
98KB

MD5
f064015d967ac5fbedbe21c01689f388

SHA1
4f2044ea34938b045c5e62c389f3c62c44cb5392

SHA256
980563afc8a4af6029ef7266392765e4ed9cf23eb242078701b65f5d9078b0af

SHA512
2bf694bbada5bc84ec2e68b4b8e4a6c3b747c14e5e4f5aae0d25c5c94a44ed3df16b2384a966da9ce1d405441eb2727af22868204cca0a2b157a7ae0efedd67f

Download Submit
C:\Users\Admin\Pinatype\Coseismic.scr

Filesize
747KB

MD5
3cd2595e3d20f8200d3ddf84b81932de

SHA1
c05f5a5fd2e0da7be16621a5482541f3d492891c

SHA256
3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c

SHA512
fbc314a53bb2eeba48c0cf5793cc93b1f9361e62aa38de34c941d57bb677b0868e651ed46b783fef939c4b9659048b4a555c3e647201aae7ce1f9e9bf0731670

Download Submit
C:\Windows\win.ini

Filesize
123B

MD5
6bf517432f65eb7f0d18d574bf14124c

SHA1
5b9f37c1dd1318ebbec3bd2f07c109eb9d22c727

SHA256
6e2b70dfccabf3cc651545676a3a566c9cfae03f15f772886646abce1da35b46

SHA512
7b0cb8c20034585ec8bf4b45eda5eda5993a56e24931a7426dc5a9f081ec1f82545f3e26a48a4df885c8691fc6e8026d0808aebe3cc3358ba85ddca08ac4cb06

Download Submit
memory/2804-5-0x00007FF8DF3C0000-0x00007FF8DF59B000-memory.dmp

Filesize
1.9MB

Download
memory/2804-4-0x00007FF8DF3C1000-0x00007FF8DF4CF000-memory.dmp

Filesize
1.1MB

Download
memory/2804-3-0x0000000002B30000-0x0000000002B3A000-memory.dmp

Filesize
40KB

Download
memory/3040-42-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/3040-36-0x0000000002A60000-0x0000000002A6A000-memory.dmp

Filesize
40KB

Download
memory/3040-35-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/3276-46-0x00000000010F0000-0x00000000011A8000-memory.dmp

Filesize
736KB

Download
memory/3292-12-0x00007FF8DF3C0000-0x00007FF8DF59B000-memory.dmp

Filesize
1.9MB

Download
memory/3960-40-0x0000000001010000-0x000000000101B000-memory.dmp

Filesize
44KB

Download
memory/3960-43-0x0000000001010000-0x000000000101B000-memory.dmp

Filesize
44KB

Download
memory/4736-32-0x00000000062D0000-0x0000000006336000-memory.dmp

Filesize
408KB

Download
memory/4736-38-0x0000000006780000-0x0000000006812000-memory.dmp

Filesize
584KB

Download
memory/4736-39-0x0000000006720000-0x000000000672A000-memory.dmp

Filesize
40KB

Download
memory/4736-37-0x0000000006850000-0x0000000006A12000-memory.dmp

Filesize
1.8MB

Download
memory/4736-26-0x00000000053A0000-0x000000000543C000-memory.dmp

Filesize
624KB

Download
memory/4736-25-0x00000000058A0000-0x0000000005D9E000-memory.dmp

Filesize
5.0MB

Download
memory/4736-24-0x0000000000AB0000-0x0000000000ACE000-memory.dmp

Filesize
120KB

Download