formbook | 2b3018d5777c7e8f2c12b479165c15b932437314a0a453ab95856488bdc631b9

Analysis

max time kernel
147s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-08-2024 06:00

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General

Target

Shipping doc_pdf.exe
Size

1.1MB
MD5

7a59f7d0673ef800595eca1f5938e581
SHA1

570288fba8fd233aa59ca2e760a0af6c055ad8da
SHA256

557c3a0a4676f650fdd41360c3e9161268c7041359e6139e3e7837d2ae1bad0a
SHA512

f58800a8277dc050b3e3402f438415e607b923b8a1416b6df3a9c815f7506c6a9902f1c97aaf6180f003eb0e2fb710ccb1fb184af8ac97914bd67ad6a811b5a5
SSDEEP

24576:nqDEvCTbMWu7rQYlBQcBiT6rprG8aRqBYQhS9tBfdeHwCjk:nTvC/MTQYxsWR7aRqBHs9tBfdows

Score

10^/10

formbook ph01 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ph01

Decoy

23888.sbs

zvcj.sbs

raitpourtrait.net

ibraryfarmclub.online

omputercourses123.live

j88.doctor

atsue-color.click

epitalrentgrup.online

rvvpn.lol

i-signals.tech

cr-phoenix.best

frican-safari.online

c-games.zone

oardetest.online

f4md.shop

uke-saaac.buzz

arze.dev

nvestment-services-49610.bond

izatrip.sbs

ameron-paaaa.buzz

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/4664-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4664-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2712-23-0x0000000000B10000-0x0000000000B3F000-memory.dmp	formbook
behavioral2/memory/2712-25-0x0000000000B10000-0x0000000000B3F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2908 set thread context of 4664	2908	Shipping doc_pdf.exe	87
PID 4664 set thread context of 3508	4664	svchost.exe	56
PID 2712 set thread context of 3508	2712	msiexec.exe	56

Program crash 1 IoCs

pid	pid_target	Process	procid_target
212	2908	WerFault.exe	83

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	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Shipping doc_pdf.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2908	Shipping doc_pdf.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4664	svchost.exe
4664	svchost.exe
4664	svchost.exe
4664	svchost.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe
2712	msiexec.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2908	Shipping doc_pdf.exe
4664	svchost.exe
4664	svchost.exe
4664	svchost.exe
2712	msiexec.exe
2712	msiexec.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

description	pid	Process
Token: SeDebugPrivilege	4664	svchost.exe
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeDebugPrivilege	2712	msiexec.exe
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2908	Shipping doc_pdf.exe
2908	Shipping doc_pdf.exe
3508	Explorer.EXE
3508	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2908	Shipping doc_pdf.exe
2908	Shipping doc_pdf.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3508	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 4664	2908	Shipping doc_pdf.exe	87
PID 2908 wrote to memory of 4664	2908	Shipping doc_pdf.exe	87
PID 2908 wrote to memory of 4664	2908	Shipping doc_pdf.exe	87
PID 2908 wrote to memory of 4664	2908	Shipping doc_pdf.exe	87
PID 3508 wrote to memory of 2712	3508	Explorer.EXE	91
PID 3508 wrote to memory of 2712	3508	Explorer.EXE	91
PID 3508 wrote to memory of 2712	3508	Explorer.EXE	91
PID 2712 wrote to memory of 1652	2712	msiexec.exe	97
PID 2712 wrote to memory of 1652	2712	msiexec.exe	97
PID 2712 wrote to memory of 1652	2712	msiexec.exe	97

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3508
- C:\Users\Admin\AppData\Local\Temp\Shipping doc_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Shipping doc_pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2908
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping doc_pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4664
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2908 -s 692
    3⤵
    - Program crash
    PID:212
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.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:2712
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1652

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2908 -ip 2908
1⤵
PID:1448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2712-20-0x0000000000CC0000-0x0000000000CD2000-memory.dmp

Filesize
72KB

Download
memory/2712-27-0x0000000002AA0000-0x0000000002B33000-memory.dmp

Filesize
588KB

Download
memory/2712-25-0x0000000000B10000-0x0000000000B3F000-memory.dmp

Filesize
188KB

Download
memory/2712-24-0x0000000002C70000-0x0000000002FBA000-memory.dmp

Filesize
3.3MB

Download
memory/2712-23-0x0000000000B10000-0x0000000000B3F000-memory.dmp

Filesize
188KB

Download
memory/2712-18-0x0000000000CC0000-0x0000000000CD2000-memory.dmp

Filesize
72KB

Download
memory/2712-22-0x0000000000CC0000-0x0000000000CD2000-memory.dmp

Filesize
72KB

Download
memory/2908-11-0x0000000000FD0000-0x0000000000FD4000-memory.dmp

Filesize
16KB

Download
memory/3508-26-0x0000000007890000-0x0000000007977000-memory.dmp

Filesize
924KB

Download
memory/3508-17-0x0000000007890000-0x0000000007977000-memory.dmp

Filesize
924KB

Download
memory/3508-31-0x0000000009590000-0x00000000096BA000-memory.dmp

Filesize
1.2MB

Download
memory/3508-32-0x0000000009590000-0x00000000096BA000-memory.dmp

Filesize
1.2MB

Download
memory/3508-34-0x0000000009590000-0x00000000096BA000-memory.dmp

Filesize
1.2MB

Download
memory/4664-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4664-16-0x0000000001640000-0x0000000001654000-memory.dmp

Filesize
80KB

Download
memory/4664-13-0x0000000001200000-0x000000000154A000-memory.dmp

Filesize
3.3MB

Download
memory/4664-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download