formbook | 40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6

General

Target

40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe
Size

755KB
MD5

a1a321f41094dc2e821ae3fd23c123f4
SHA1

272f153247ce26851f3300be06bcf4fa2b8e6553
SHA256

40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6
SHA512

4292318a9a85a2b9aa677eda93444b7c7819d8725f36459cf554c78b9f08e17cdebc4c4face3020bb2271273019fd3335be35d8fc7c9aecf82002cbac4accf57
SSDEEP

12288:DYAMd6OdKEari+auFvnnrcMXsnx2NVDN2P4Ypq1a3P14aePmcDomo:DM6h1OCrKx2fSbq1a3PKjbDom

Score

10^/10

formbook pz12 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

pz12

Decoy

paucanyes.com

autonwheels.com

cowboysandcaviarbar.com

fitnessengineeredworkouts.com

nuevobajonfavorito.com

dflx8.com

rothability.com

sxybet88.com

onesource.live

brenjitu1904.com

airdrop-zero1labs.com

guangdongqiangzhetc.com

apartments-for-rent-72254.bond

ombak99.lol

qqfoodsolutions.com

kyyzz.com

thepicklematch.com

ainth.com

missorris.com

gabbygomez.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2200-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2740	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1976 set thread context of 2200	1976	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	32

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
2848	2200	WerFault.exe	32

System Location Discovery: System Language Discovery 1 TTPs 3 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	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2740	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2740	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2740	1976	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	30
PID 1976 wrote to memory of 2740	1976	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	30
PID 1976 wrote to memory of 2740	1976	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	30
PID 1976 wrote to memory of 2740	1976	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	30
PID 1976 wrote to memory of 2200	1976	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	32
PID 1976 wrote to memory of 2200	1976	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	32
PID 1976 wrote to memory of 2200	1976	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	32
PID 1976 wrote to memory of 2200	1976	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	32
PID 1976 wrote to memory of 2200	1976	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	32
PID 1976 wrote to memory of 2200	1976	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	32
PID 1976 wrote to memory of 2200	1976	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	32
PID 2200 wrote to memory of 2848	2200	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	33
PID 2200 wrote to memory of 2848	2200	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	33
PID 2200 wrote to memory of 2848	2200	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	33
PID 2200 wrote to memory of 2848	2200	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	33

C:\Users\Admin\AppData\Local\Temp\40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe
"C:\Users\Admin\AppData\Local\Temp\40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2740
- C:\Users\Admin\AppData\Local\Temp\40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe
  "C:\Users\Admin\AppData\Local\Temp\40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2200
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2200 -s 36
    3⤵
    - Program crash
    PID:2848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1976-6-0x00000000004D0000-0x00000000004E0000-memory.dmp

Filesize
64KB

Download
memory/1976-1-0x0000000000960000-0x0000000000A22000-memory.dmp

Filesize
776KB

Download
memory/1976-2-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/1976-3-0x00000000004C0000-0x00000000004D2000-memory.dmp

Filesize
72KB

Download
memory/1976-4-0x0000000073E6E000-0x0000000073E6F000-memory.dmp

Filesize
4KB

Download
memory/1976-5-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/1976-0-0x0000000073E6E000-0x0000000073E6F000-memory.dmp

Filesize
4KB

Download
memory/1976-7-0x0000000005C50000-0x0000000005CC6000-memory.dmp

Filesize
472KB

Download
memory/1976-14-0x0000000073E60000-0x000000007454E000-memory.dmp

Filesize
6.9MB

Download
memory/2200-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2200-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2200-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2200-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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