formbook | 1ddd6b7f64ff57668ca9087e77362e4d11fda7c3c07aebe6c1f48b560aea038e

Analysis

max time kernel
146s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-12-2024 20:56

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General

Target

quotation sheet 1 sheet 2.exe
Size

1.0MB
MD5

58923ab5edc1d65d3f0fb3c71ee2af64
SHA1

5de29822b230043708b6725b3fe0e9f2eb1ad21a
SHA256

1ddd6b7f64ff57668ca9087e77362e4d11fda7c3c07aebe6c1f48b560aea038e
SHA512

d8c28559e79783cccbb9b2fac8c3a2b29471b87035c326be203ab486c62df8a6b7a59c4ecffe87cea6e201fc825274faa6b3befe7a3a735f154d567abbb09b32
SSDEEP

24576:mu6J33O0c+JY5UZ+XC0kGso6FatnXQN8TyT1soHDWY:ou0c++OCvkGs9FatgaTusoiY

Score

10^/10

formbook at22 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

at22

Decoy

etween-us.online

sphaleia.net

ental-implants-78350.bond

q4a.lat

commerce-97292.bond

linds-curtains-38811.bond

gyptevoyages.net

landofigueroa-abogados.net

cuitis.xyz

hantom.city

yzk.online

afikabmedan.store

ome-remodeling-67289.bond

ebpage-klzdxrhnazi.shop

eject.lol

rismart.xyz

nfluencer-marketing-72407.bond

ksolotl.xyz

ebsbayrntilrmizin93.xyz

pps-75399.bond

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
behavioral2/memory/4540-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4540-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4540-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1120 set thread context of 4540	1120	quotation sheet 1 sheet 2.exe	82
PID 4540 set thread context of 3524	4540	svchost.exe	56
PID 4540 set thread context of 3524	4540	svchost.exe	56

System Location Discovery: System Language Discovery 1 TTPs 1 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	quotation sheet 1 sheet 2.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4540	svchost.exe
4540	svchost.exe
4540	svchost.exe
4540	svchost.exe
4540	svchost.exe
4540	svchost.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
1120	quotation sheet 1 sheet 2.exe
4540	svchost.exe
4540	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4540	svchost.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1120	quotation sheet 1 sheet 2.exe
1120	quotation sheet 1 sheet 2.exe
1120	quotation sheet 1 sheet 2.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1120	quotation sheet 1 sheet 2.exe
1120	quotation sheet 1 sheet 2.exe
1120	quotation sheet 1 sheet 2.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 4540	1120	quotation sheet 1 sheet 2.exe	82
PID 1120 wrote to memory of 4540	1120	quotation sheet 1 sheet 2.exe	82
PID 1120 wrote to memory of 4540	1120	quotation sheet 1 sheet 2.exe	82
PID 1120 wrote to memory of 4540	1120	quotation sheet 1 sheet 2.exe	82

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3524
- C:\Users\Admin\AppData\Local\Temp\quotation sheet 1 sheet 2.exe
  "C:\Users\Admin\AppData\Local\Temp\quotation sheet 1 sheet 2.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1120
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\quotation sheet 1 sheet 2.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4540
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1996

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

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Downloads

memory/1120-6-0x0000000000CC0000-0x00000000010C0000-memory.dmp

Filesize
4.0MB

Download
memory/3524-12-0x00000000084B0000-0x0000000008585000-memory.dmp

Filesize
852KB

Download
memory/3524-16-0x0000000008C90000-0x0000000008E2F000-memory.dmp

Filesize
1.6MB

Download
memory/3524-17-0x00000000084B0000-0x0000000008585000-memory.dmp

Filesize
852KB

Download
memory/3524-18-0x0000000008C90000-0x0000000008E2F000-memory.dmp

Filesize
1.6MB

Download
memory/4540-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4540-8-0x0000000001400000-0x000000000174A000-memory.dmp

Filesize
3.3MB

Download
memory/4540-11-0x0000000000D40000-0x0000000000D55000-memory.dmp

Filesize
84KB

Download
memory/4540-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4540-15-0x0000000000DC0000-0x0000000000DD5000-memory.dmp

Filesize
84KB

Download
memory/4540-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download