404keylogger | 3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c

Analysis

max time kernel
2s
max time network
311s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
06-06-2024 21:48

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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 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

resource	yara_rule
behavioral2/files/0x000200000002aa10-48.dat	family_404keylogger
behavioral2/memory/1976-49-0x00000000006A0000-0x00000000006BE000-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

resource	yara_rule
behavioral2/memory/5084-59-0x0000000000400000-0x00000000004BE000-memory.dmp	formbook
behavioral2/memory/5084-66-0x0000000000400000-0x00000000004BE000-memory.dmp	formbook

Executes dropped EXE 3 IoCs

pid	Process
4032	Coseismic.scr
1976	Payment receipt.exe
5084	Coseismic.scr

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-1-5-21-2994005945-4089876968-1367784197-1000\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 1 IoCs

description	pid	Process	procid_target
PID 5084 set thread context of 3248	5084	Coseismic.scr	53

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5084	Coseismic.scr
5084	Coseismic.scr
5084	Coseismic.scr
5084	Coseismic.scr

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
5084	Coseismic.scr

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1976	Payment receipt.exe
Token: SeDebugPrivilege	5084	Coseismic.scr

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
532	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe
3564	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe
4032	Coseismic.scr
5084	Coseismic.scr

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 3564	532	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	78
PID 532 wrote to memory of 3564	532	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	78
PID 532 wrote to memory of 3564	532	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	78
PID 3564 wrote to memory of 4032	3564	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	79
PID 3564 wrote to memory of 4032	3564	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	79
PID 3564 wrote to memory of 4032	3564	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	79
PID 3564 wrote to memory of 1976	3564	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	80
PID 3564 wrote to memory of 1976	3564	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	80
PID 3564 wrote to memory of 1976	3564	3979bd4374308cc1a5a91f04c080b480dc4081dd2612aa2a9d1b504f09b7367c.exe	80
PID 4032 wrote to memory of 5084	4032	Coseismic.scr	81
PID 4032 wrote to memory of 5084	4032	Coseismic.scr	81
PID 4032 wrote to memory of 5084	4032	Coseismic.scr	81
PID 3248 wrote to memory of 2812	3248	Explorer.EXE	82
PID 3248 wrote to memory of 2812	3248	Explorer.EXE	82
PID 3248 wrote to memory of 2812	3248	Explorer.EXE	82

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3248
- 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:532
- - 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:3564
  - - 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:4032
    - - 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:5084
  - - C:\Users\Admin\Payment receipt.exe
      "C:\Users\Admin\Payment receipt.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      PID:1976
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.exe"
  2⤵
  PID:2812
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\Pinatype\Coseismic.scr"
    3⤵
    PID:2064
- - C:\Windows\SysWOW64\cmd.exe
    /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
    3⤵
    PID:1756

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1

Filesize
46KB

MD5
8f5942354d3809f865f9767eddf51314

SHA1
20be11c0d42fc0cef53931ea9152b55082d1a11e

SHA256
776ecf8411b1b0167bea724409ac9d3f8479973df223ecc6e60e3302b3b2b8ea

SHA512
fde8dfae8a862cf106b0cb55e02d73e4e4c0527c744c20886681245c8160287f722612a6de9d0046ed1156b1771229c8950b9ac036b39c988d75aa20b7bac218

Download Submit
C:\Users\Admin\AppData\Roaming\NN42N073\NN4logim.jpeg

Filesize
76KB

MD5
e5f77415d6a19f1017557c412f21807d

SHA1
b5078f39dbd6635afb0d0cd833accb4eb42d82b9

SHA256
61c6d623ce4d0c8bdf14541601c95a8d4d9552e680555c462b50bd7f02aac2b0

SHA512
bb55048d16545d6825b3f1032042d513d2b45e905b10d337b3b8aaef62a71291ec06690c22ce81f154511c3a100033916020602a8057309a457d8b8d6af22ba3

Download Submit
C:\Users\Admin\AppData\Roaming\NN42N073\NN4logrg.ini

Filesize
38B

MD5
4aadf49fed30e4c9b3fe4a3dd6445ebe

SHA1
1e332822167c6f351b99615eada2c30a538ff037

SHA256
75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

SHA512
eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

Download Submit
C:\Users\Admin\AppData\Roaming\NN42N073\NN4logri.ini

Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\NN42N073\NN4logrv.ini

Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

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

Filesize
384KB

MD5
e3c4c97dc8e7957f9d8fba75ef386d85

SHA1
dd361d752c51f92b01113346b1ecf09d34f9cef2

SHA256
a6cf9558b0ed2746894783ed295a516f72288b5eaa064078a6a6a9703f9de775

SHA512
983e3e3af3ef5d72051d3ce9c8c70287646a8e9aad9d15fc36df7b68719a417d3c6b012502e9d88d4c433b8429c6f8ab31ed91ddaa288fd43a6b68b1cd4d39a1

Download Submit
C:\Windows\win.ini

Filesize
123B

MD5
6bf517432f65eb7f0d18d574bf14124c

SHA1
5b9f37c1dd1318ebbec3bd2f07c109eb9d22c727

SHA256
6e2b70dfccabf3cc651545676a3a566c9cfae03f15f772886646abce1da35b46

SHA512
7b0cb8c20034585ec8bf4b45eda5eda5993a56e24931a7426dc5a9f081ec1f82545f3e26a48a4df885c8691fc6e8026d0808aebe3cc3358ba85ddca08ac4cb06

Download Submit
memory/532-3-0x0000000002C10000-0x0000000002C1A000-memory.dmp

Filesize
40KB

Download
memory/532-12-0x00007FFD913E0000-0x00007FFD915E9000-memory.dmp

Filesize
2.0MB

Download
memory/532-4-0x00007FFD913E1000-0x00007FFD9150A000-memory.dmp

Filesize
1.2MB

Download
memory/532-5-0x00007FFD913E0000-0x00007FFD915E9000-memory.dmp

Filesize
2.0MB

Download
memory/1976-50-0x0000000005650000-0x0000000005BF6000-memory.dmp

Filesize
5.6MB

Download
memory/1976-61-0x00000000060F0000-0x0000000006156000-memory.dmp

Filesize
408KB

Download
memory/1976-62-0x0000000006640000-0x00000000066D2000-memory.dmp

Filesize
584KB

Download
memory/1976-63-0x00000000068B0000-0x0000000006A72000-memory.dmp

Filesize
1.8MB

Download
memory/1976-64-0x0000000006620000-0x000000000662A000-memory.dmp

Filesize
40KB

Download
memory/1976-51-0x00000000050A0000-0x000000000513C000-memory.dmp

Filesize
624KB

Download
memory/1976-49-0x00000000006A0000-0x00000000006BE000-memory.dmp

Filesize
120KB

Download
memory/2812-67-0x0000000000150000-0x00000000001AB000-memory.dmp

Filesize
364KB

Download
memory/3248-70-0x0000000004230000-0x000000000430A000-memory.dmp

Filesize
872KB

Download
memory/3564-13-0x00007FFD913E0000-0x00007FFD915E9000-memory.dmp

Filesize
2.0MB

Download
memory/5084-66-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/5084-59-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/5084-60-0x0000000002320000-0x000000000232A000-memory.dmp

Filesize
40KB

Download