formbook | 47c2f15af8f1e4daa69e815e7eea1e44b7b54d708efdf32508ddb461c27626c5

Analysis

max time kernel
145s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
15-08-2024 01:06

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Payment_Advice.exe
Size

815KB
MD5

05a028bf7e8b4118a97a57552fc4ba0c
SHA1

9e71f8d3fd4bddb603c4c1803c867cade9be7a83
SHA256

8d692269e00163075c2d1bdeea0d8fe0ebb06c791233f692fa76e766095ec3ad
SHA512

df27cb22cbd3ee8faa970ce11217ac408c5e91e6cb4f81ad9f50b520cdebc216fee99ac022c41db449981ceadf5fdd4516b536641dbaf5a291125053b484a867
SSDEEP

12288:PYHdm1fBr+IwICEMytGbPGcbXDbE1Qla6RgVcP/7kvDxul+arudZt7dLBU37eimx:PyAiIlCPtfIv9XTp9Be7OqX5y6

Score

10^/10

formbook tmo discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

tmo

Decoy

myplace.design

geersa.info

rhysbdowning.com

pandorainiciatives.com

affiliate-beginning-gently.com

anitcruiserun.live

xn--6kr11w.com

everhopeimaging.com

drmdb.com

regen.media

ibizacarobcompany.com

keramikstubeboehme.info

bleedingwords.com

potbringer.com

opposingavatars.com

ljubljana-city.com

saltsmangarcia.com

5551071.com

thelawofficeofrkeithbrown.com

fukugyou-style.com

Signatures

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/3332-1-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral2/memory/3332-6-0x0000000000400000-0x000000000042D000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3440 set thread context of 3332	3440	Payment_Advice.exe	85
PID 3332 set thread context of 3516	3332	Payment_Advice.exe	56
PID 852 set thread context of 3516	852	mstsc.exe	56

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	Payment_Advice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3440	Payment_Advice.exe
3440	Payment_Advice.exe
3332	Payment_Advice.exe
3332	Payment_Advice.exe
3332	Payment_Advice.exe
3332	Payment_Advice.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe
852	mstsc.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3440	Payment_Advice.exe
3332	Payment_Advice.exe
3332	Payment_Advice.exe
3332	Payment_Advice.exe
852	mstsc.exe
852	mstsc.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3332	Payment_Advice.exe
Token: SeDebugPrivilege	852	mstsc.exe
Token: SeShutdownPrivilege	3516	Explorer.EXE
Token: SeCreatePagefilePrivilege	3516	Explorer.EXE
Token: SeShutdownPrivilege	3516	Explorer.EXE
Token: SeCreatePagefilePrivilege	3516	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3516	Explorer.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3440 wrote to memory of 3332	3440	Payment_Advice.exe	85
PID 3440 wrote to memory of 3332	3440	Payment_Advice.exe	85
PID 3440 wrote to memory of 3332	3440	Payment_Advice.exe	85
PID 3516 wrote to memory of 852	3516	Explorer.EXE	87
PID 3516 wrote to memory of 852	3516	Explorer.EXE	87
PID 3516 wrote to memory of 852	3516	Explorer.EXE	87
PID 852 wrote to memory of 724	852	mstsc.exe	92
PID 852 wrote to memory of 724	852	mstsc.exe	92
PID 852 wrote to memory of 724	852	mstsc.exe	92

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3516
- C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3440
- - C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3332
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.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:852
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Payment_Advice.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:724

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/852-12-0x0000000000CD0000-0x0000000000E0A000-memory.dmp

Filesize
1.2MB

Download
memory/852-9-0x0000000000CD0000-0x0000000000E0A000-memory.dmp

Filesize
1.2MB

Download
memory/3332-6-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/3332-1-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/3332-8-0x0000000000430000-0x00000000004F9000-memory.dmp

Filesize
804KB

Download
memory/3440-3-0x0000000002300000-0x0000000002301000-memory.dmp

Filesize
4KB

Download
memory/3440-4-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/3440-0-0x0000000002280000-0x0000000002281000-memory.dmp

Filesize
4KB

Download
memory/3440-2-0x00000000022E0000-0x00000000022E8000-memory.dmp

Filesize
32KB

Download
memory/3516-7-0x0000000002B90000-0x0000000002C6A000-memory.dmp

Filesize
872KB

Download
memory/3516-14-0x0000000002B90000-0x0000000002C6A000-memory.dmp

Filesize
872KB

Download
memory/3516-17-0x0000000007C90000-0x0000000007DA2000-memory.dmp

Filesize
1.1MB

Download
memory/3516-18-0x0000000007C90000-0x0000000007DA2000-memory.dmp

Filesize
1.1MB

Download
memory/3516-21-0x0000000007C90000-0x0000000007DA2000-memory.dmp

Filesize
1.1MB

Download