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 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/0x00070000000147d5-25.dat	family_404keylogger
behavioral1/memory/2628-32-0x0000000000DB0000-0x0000000000DCE000-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/2604-41-0x0000000000400000-0x00000000004BE000-memory.dmp	formbook
behavioral1/memory/2604-50-0x0000000000400000-0x00000000004BE000-memory.dmp	formbook

Executes dropped EXE 3 IoCs

pid	Process
2780	Coseismic.scr
2628	Payment receipt.exe
2604	Coseismic.scr

Loads dropped DLL 8 IoCs

pid	Process
3044	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe
3044	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe
3044	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe
2572	WerFault.exe
2572	WerFault.exe
2572	WerFault.exe
2572	WerFault.exe
2572	WerFault.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-1-5-21-39690363-730359138-1046745555-1000\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
2	checkip.dyndns.org

Suspicious use of SetThreadContext 5 IoCs

description	pid	Process	procid_target
PID 1056 set thread context of 3044	1056	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	28
PID 2780 set thread context of 2604	2780	Coseismic.scr	31
PID 2604 set thread context of 1212	2604	Coseismic.scr	21
PID 2604 set thread context of 1212	2604	Coseismic.scr	21
PID 2980 set thread context of 1212	2980	cscript.exe	21

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2572	2628	WerFault.exe	30

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	cscript.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
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

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2604	Coseismic.scr
2604	Coseismic.scr
2604	Coseismic.scr
2980	cscript.exe
2980	cscript.exe
2980	cscript.exe
2980	cscript.exe
2980	cscript.exe
2980	cscript.exe
2980	cscript.exe
2980	cscript.exe
2980	cscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2604	Coseismic.scr
2604	Coseismic.scr
2604	Coseismic.scr
2604	Coseismic.scr
2980	cscript.exe
2980	cscript.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2628	Payment receipt.exe
Token: SeDebugPrivilege	2604	Coseismic.scr
Token: SeShutdownPrivilege	1212	Explorer.EXE
Token: SeShutdownPrivilege	1212	Explorer.EXE
Token: SeShutdownPrivilege	1212	Explorer.EXE
Token: SeDebugPrivilege	2980	cscript.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1056	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe
3044	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe
2780	Coseismic.scr
2604	Coseismic.scr

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 3044	1056	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	28
PID 1056 wrote to memory of 3044	1056	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	28
PID 1056 wrote to memory of 3044	1056	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	28
PID 1056 wrote to memory of 3044	1056	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	28
PID 3044 wrote to memory of 2780	3044	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	29
PID 3044 wrote to memory of 2780	3044	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	29
PID 3044 wrote to memory of 2780	3044	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	29
PID 3044 wrote to memory of 2780	3044	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	29
PID 3044 wrote to memory of 2628	3044	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	30
PID 3044 wrote to memory of 2628	3044	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	30
PID 3044 wrote to memory of 2628	3044	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	30
PID 3044 wrote to memory of 2628	3044	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	30
PID 2780 wrote to memory of 2604	2780	Coseismic.scr	31
PID 2780 wrote to memory of 2604	2780	Coseismic.scr	31
PID 2780 wrote to memory of 2604	2780	Coseismic.scr	31
PID 2780 wrote to memory of 2604	2780	Coseismic.scr	31
PID 2628 wrote to memory of 2572	2628	Payment receipt.exe	32
PID 2628 wrote to memory of 2572	2628	Payment receipt.exe	32
PID 2628 wrote to memory of 2572	2628	Payment receipt.exe	32
PID 2628 wrote to memory of 2572	2628	Payment receipt.exe	32
PID 1212 wrote to memory of 2980	1212	Explorer.EXE	33
PID 1212 wrote to memory of 2980	1212	Explorer.EXE	33
PID 1212 wrote to memory of 2980	1212	Explorer.EXE	33
PID 1212 wrote to memory of 2980	1212	Explorer.EXE	33
PID 2980 wrote to memory of 264	2980	cscript.exe	34
PID 2980 wrote to memory of 264	2980	cscript.exe	34
PID 2980 wrote to memory of 264	2980	cscript.exe	34
PID 2980 wrote to memory of 264	2980	cscript.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Users\Admin\AppData\Local\Temp\3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe
  "C:\Users\Admin\AppData\Local\Temp\3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1056
- - C:\Users\Admin\AppData\Local\Temp\3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe
    "C:\Users\Admin\AppData\Local\Temp\3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe"
    3⤵
    - Loads dropped DLL
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3044
  - - C:\Users\Admin\Pinatype\Coseismic.scr
      "C:\Users\Admin\Pinatype\Coseismic.scr" /S
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of SetThreadContext
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2780
    - - 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:2604
  - - C:\Users\Admin\Payment receipt.exe
      "C:\Users\Admin\Payment receipt.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2628
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2628 -s 988
        5⤵
        Loads dropped DLL
        Program crash
        
        PID:2572
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2980
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\Pinatype\Coseismic.scr"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:264

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\win.ini

Filesize
509B

MD5
d2a2412bddba16d60ec63bd9550d933f

SHA1
deb3d3bdc9055f0b4909b31d3048446848fae0e1

SHA256
79ff2254e38192be1626d05bec6c82e10c85e1cf91df7440c4c443380a1e877a

SHA512
8fecada107f72e59e43a689eeb8e2e18fa6134d0941c122025ed5bd00e5eab8114d7125bd289505be75641385a0c3f112d402c693f142c3ddc870d5fa8116e31

Download Submit
\Users\Admin\Payment receipt.exe

Filesize
98KB

MD5
f064015d967ac5fbedbe21c01689f388

SHA1
4f2044ea34938b045c5e62c389f3c62c44cb5392

SHA256
980563afc8a4af6029ef7266392765e4ed9cf23eb242078701b65f5d9078b0af

SHA512
2bf694bbada5bc84ec2e68b4b8e4a6c3b747c14e5e4f5aae0d25c5c94a44ed3df16b2384a966da9ce1d405441eb2727af22868204cca0a2b157a7ae0efedd67f

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

Filesize
747KB

MD5
3cd2595e3d20f8200d3ddf84b81932de

SHA1
c05f5a5fd2e0da7be16621a5482541f3d492891c

SHA256
3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c

SHA512
fbc314a53bb2eeba48c0cf5793cc93b1f9361e62aa38de34c941d57bb677b0868e651ed46b783fef939c4b9659048b4a555c3e647201aae7ce1f9e9bf0731670

Download Submit
memory/1056-12-0x0000000001CD0000-0x0000000001CDA000-memory.dmp

Filesize
40KB

Download
memory/1056-3-0x0000000001CD0000-0x0000000001CDA000-memory.dmp

Filesize
40KB

Download
memory/1056-14-0x0000000077E70000-0x0000000077F46000-memory.dmp

Filesize
856KB

Download
memory/1056-5-0x0000000077C80000-0x0000000077E29000-memory.dmp

Filesize
1.7MB

Download
memory/1056-4-0x0000000077C81000-0x0000000077D82000-memory.dmp

Filesize
1.0MB

Download
memory/1212-49-0x0000000004D90000-0x0000000004ECE000-memory.dmp

Filesize
1.2MB

Download
memory/1212-56-0x0000000009260000-0x00000000093A3000-memory.dmp

Filesize
1.3MB

Download
memory/2604-41-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/2604-42-0x00000000003E0000-0x00000000003EA000-memory.dmp

Filesize
40KB

Download
memory/2604-50-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/2628-32-0x0000000000DB0000-0x0000000000DCE000-memory.dmp

Filesize
120KB

Download
memory/2980-53-0x0000000000290000-0x00000000002B2000-memory.dmp

Filesize
136KB

Download
memory/3044-13-0x0000000077C80000-0x0000000077E29000-memory.dmp

Filesize
1.7MB

Download