404keylogger | 3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c

General

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 keylogger persistence rat spyware stealer trojan

Malware Config

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

Processes:

resource yara_rule

C:\Users\Admin\Payment receipt.exe family_404keylogger
behavioral1/memory/4736-24-0x0000000000AB0000-0x0000000000ACE000-memory.dmp family_404keylogger
Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook payload 2 IoCs
rat

Processes:

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

Processes:

Coseismic.scrPayment receipt.exeCoseismic.scr

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 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

resource	yara_rule
C:\Users\Admin\Payment receipt.exe	family_404keylogger
behavioral1/memory/4736-24-0x0000000000AB0000-0x0000000000ACE000-memory.dmp	family_404keylogger

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

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Payment receipt.exe

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

Processes:

Coseismic.scr

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.

Processes:

flow ioc

1 checkip.dyndns.org
Suspicious use of SetThreadContext 2 IoCs

Processes:

Coseismic.scripconfig.exe

description pid process target process

PID 3040 set thread context of 3276 3040 Coseismic.scr Explorer.EXE
PID 3960 set thread context of 3276 3960 ipconfig.exe Explorer.EXE

flow	ioc
1	checkip.dyndns.org

description	pid	process	target process
PID 3040 set thread context of 3276	3040	Coseismic.scr	Explorer.EXE
PID 3960 set thread context of 3276	3960	ipconfig.exe	Explorer.EXE

Drops file in Windows directory 4 IoCs

Processes:

3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exeCoseismic.scrCoseismic.scr

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
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command and Scripting Interpreter
T1059

Processes:

ipconfig.exe

pid process

3960 ipconfig.exe

pid	process
3960	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 49 IoCs

Processes:

Payment receipt.exeCoseismic.scripconfig.exe

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

Processes:

Coseismic.scripconfig.exe

pid process

3040 Coseismic.scr
3040 Coseismic.scr
3040 Coseismic.scr
3960 ipconfig.exe
3960 ipconfig.exe

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

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

Payment receipt.exeCoseismic.scripconfig.exeExplorer.EXE

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

Processes:

3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exeCoseismic.scrCoseismic.scrPayment receipt.exe

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

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exeCoseismic.scrExplorer.EXEipconfig.exe

description	pid	process	target process
PID 2804 wrote to memory of 3292	2804	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe
PID 2804 wrote to memory of 3292	2804	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe
PID 2804 wrote to memory of 3292	2804	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe
PID 3292 wrote to memory of 4960	3292	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	Coseismic.scr
PID 3292 wrote to memory of 4960	3292	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	Coseismic.scr
PID 3292 wrote to memory of 4960	3292	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	Coseismic.scr
PID 3292 wrote to memory of 4736	3292	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	Payment receipt.exe
PID 3292 wrote to memory of 4736	3292	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	Payment receipt.exe
PID 3292 wrote to memory of 4736	3292	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	Payment receipt.exe
PID 4960 wrote to memory of 3040	4960	Coseismic.scr	Coseismic.scr
PID 4960 wrote to memory of 3040	4960	Coseismic.scr	Coseismic.scr
PID 4960 wrote to memory of 3040	4960	Coseismic.scr	Coseismic.scr
PID 3276 wrote to memory of 3960	3276	Explorer.EXE	ipconfig.exe
PID 3276 wrote to memory of 3960	3276	Explorer.EXE	ipconfig.exe
PID 3276 wrote to memory of 3960	3276	Explorer.EXE	ipconfig.exe
PID 3960 wrote to memory of 4236	3960	ipconfig.exe	cmd.exe
PID 3960 wrote to memory of 4236	3960	ipconfig.exe	cmd.exe
PID 3960 wrote to memory of 4236	3960	ipconfig.exe	cmd.exe

outlook_office_path 1 IoCs

Processes:

Payment receipt.exe

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

Processes:

Payment receipt.exe

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
- 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
- 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
- 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
- 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
- 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
- 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⤵
PID:4236

Network

MITRE ATT&CK Matrix ATT&CK v13

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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

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads