formbook | bdd9e311c550bef90f58fb23c8e3318cc388ac62e756aa0927f91b85a3e75103

General

Target

PF234-91224.pdf.exe
Size

887KB
MD5

0285fed1a8816679555b3ad83d259eec
SHA1

fd36638db0103fe9530cefcc2b612c307bac5462
SHA256

b3f2e166da0892b3ab4d77f3b7764c7d50296fc234a8da7355db5677f090273f
SHA512

72bd8a4e9e0dc6eed172d2c0d1f58dad1dca09915c888604fb382e1aa22ec12f7233a9fcc082a1b7c858555b11f4bce60180c5d658f4b7a33573eaaf5c290f3c
SSDEEP

12288:8rFcvLvKirjTpzk+958lIe9bVAwb7NsriUe67N0d4CeU:oFwC+NgCejfHNoXRU

Score

10^/10

formbook mi06 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

mi06

Decoy

rumpchiefofstaff.live

n319.vip

ootybite.fit

tlasfnch.online

arehouse-inventory-22187.bond

nihenjin.net

oftware-engineering-10126.bond

airtransplantation342331.life

astelodosjogos.store

oogle-404.sbs

ealthcare-software-62709.bond

00101.pro

edgo.xyz

ardmanager.xyz

eyixnemy.xyz

lamin.food

utomation-tools-75119.bond

wcp.doctor

ennine-way.info

jslot88rich.xyz

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2864-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2864-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2520-21-0x00000000000C0000-0x00000000000EF000-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
2140	powershell.exe

Deletes itself 1 IoCs

pid	Process
1680	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3032 set thread context of 2864	3032	PF234-91224.pdf.exe	31
PID 2864 set thread context of 1280	2864	PF234-91224.pdf.exe	21
PID 2520 set thread context of 1280	2520	help.exe	21

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 4 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	PF234-91224.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	help.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
2864	PF234-91224.pdf.exe
2864	PF234-91224.pdf.exe
2140	powershell.exe
2520	help.exe
2520	help.exe
2520	help.exe
2520	help.exe
2520	help.exe
2520	help.exe
2520	help.exe
2520	help.exe
2520	help.exe
2520	help.exe
2520	help.exe
2520	help.exe
2520	help.exe
2520	help.exe
2520	help.exe
2520	help.exe
2520	help.exe
2520	help.exe
2520	help.exe
2520	help.exe
2520	help.exe
2520	help.exe
2520	help.exe
2520	help.exe
2520	help.exe
2520	help.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2864	PF234-91224.pdf.exe
2864	PF234-91224.pdf.exe
2864	PF234-91224.pdf.exe
2520	help.exe
2520	help.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2864	PF234-91224.pdf.exe
Token: SeDebugPrivilege	2140	powershell.exe
Token: SeDebugPrivilege	2520	help.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 2140	3032	PF234-91224.pdf.exe	30
PID 3032 wrote to memory of 2140	3032	PF234-91224.pdf.exe	30
PID 3032 wrote to memory of 2140	3032	PF234-91224.pdf.exe	30
PID 3032 wrote to memory of 2140	3032	PF234-91224.pdf.exe	30
PID 3032 wrote to memory of 2864	3032	PF234-91224.pdf.exe	31
PID 3032 wrote to memory of 2864	3032	PF234-91224.pdf.exe	31
PID 3032 wrote to memory of 2864	3032	PF234-91224.pdf.exe	31
PID 3032 wrote to memory of 2864	3032	PF234-91224.pdf.exe	31
PID 3032 wrote to memory of 2864	3032	PF234-91224.pdf.exe	31
PID 3032 wrote to memory of 2864	3032	PF234-91224.pdf.exe	31
PID 3032 wrote to memory of 2864	3032	PF234-91224.pdf.exe	31
PID 1280 wrote to memory of 2520	1280	Explorer.EXE	33
PID 1280 wrote to memory of 2520	1280	Explorer.EXE	33
PID 1280 wrote to memory of 2520	1280	Explorer.EXE	33
PID 1280 wrote to memory of 2520	1280	Explorer.EXE	33
PID 2520 wrote to memory of 1680	2520	help.exe	34
PID 2520 wrote to memory of 1680	2520	help.exe	34
PID 2520 wrote to memory of 1680	2520	help.exe	34
PID 2520 wrote to memory of 1680	2520	help.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1280
- C:\Users\Admin\AppData\Local\Temp\PF234-91224.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\PF234-91224.pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3032
- - 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\PF234-91224.pdf.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2140
- - C:\Users\Admin\AppData\Local\Temp\PF234-91224.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PF234-91224.pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2864
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.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:2520
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\PF234-91224.pdf.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:1680

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/1280-14-0x00000000001F0000-0x00000000002F0000-memory.dmp

Filesize
1024KB

Download
memory/1280-23-0x0000000006700000-0x00000000068A3000-memory.dmp

Filesize
1.6MB

Download
memory/1280-17-0x0000000006700000-0x00000000068A3000-memory.dmp

Filesize
1.6MB

Download
memory/2520-21-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/2520-20-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/2864-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2864-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2864-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2864-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2864-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2864-12-0x0000000000910000-0x0000000000C13000-memory.dmp

Filesize
3.0MB

Download
memory/2864-16-0x0000000000280000-0x0000000000294000-memory.dmp

Filesize
80KB

Download
memory/3032-5-0x0000000005BE0000-0x0000000005C58000-memory.dmp

Filesize
480KB

Download
memory/3032-4-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download
memory/3032-11-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download
memory/3032-0-0x00000000747FE000-0x00000000747FF000-memory.dmp

Filesize
4KB

Download
memory/3032-3-0x0000000000550000-0x000000000056E000-memory.dmp

Filesize
120KB

Download
memory/3032-2-0x00000000747F0000-0x0000000074EDE000-memory.dmp

Filesize
6.9MB

Download
memory/3032-1-0x0000000000E80000-0x0000000000F64000-memory.dmp

Filesize
912KB

Download

Analysis

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