formbook | 1f353c80cb9caf0e679a2dde8eae3e1ad9a230d8f3068eeecc88c42db5679977

Analysis

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

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 21:18

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General

Target

company business card.exe
Size

530KB
MD5

5720c1439c56c3e4751d2e54d32119ec
SHA1

5282f060debe8835faa37544bbe8218c5260ec8d
SHA256

3be235780a8d7a8727a3535e5d236a51c4aff577f89140da4ac58ddf13712aab
SHA512

ce826e66df08036b4c7843da2003ae522c5ed6674042cc2ee262380a1ba8459d54a97dcac40b7ad6decbc8397cfcc11957fc82880666407315317f6375bbe0e8
SSDEEP

12288:KhQVh9a17gNm5YnXDdx2OjKhNHySntnbjA6hKrHx9fscNj9rmiqwf:KhQVh9FDdx2GKzSStvA60xqcNY2

Score

10^/10

formbook n6ma discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n6ma

Decoy

360thrusters.com

activaadvice.xyz

fundmerica-express.com

hnzttx.com

schermerhornfuel.com

westseattledogs.com

sta-lynsvalleybulldogs.com

casualcollars.com

syden-dev.com

ctsquiroz.net

afcareeracademy.com

ofix.online

iworkers.team

nomad-brains.com

wtbgf.com

didemfoods.com

rsqkb.com

statepenrecords.com

virtualbirthdaymagicians.com

bizmarketingsolution.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/4856-2-0x0000000000400000-0x000000000042E000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3480 set thread context of 4856	3480	company business card.exe	82
PID 4856 set thread context of 3424	4856	company business card.exe	56
PID 708 set thread context of 3424	708	msdt.exe	56

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2852	3480	WerFault.exe	81

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	company business card.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4856	company business card.exe
4856	company business card.exe
4856	company business card.exe
4856	company business card.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe
708	msdt.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3480	company business card.exe
4856	company business card.exe
4856	company business card.exe
4856	company business card.exe
708	msdt.exe
708	msdt.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4856	company business card.exe
Token: SeShutdownPrivilege	3424	Explorer.EXE
Token: SeCreatePagefilePrivilege	3424	Explorer.EXE
Token: SeDebugPrivilege	708	msdt.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3480 wrote to memory of 4856	3480	company business card.exe	82
PID 3480 wrote to memory of 4856	3480	company business card.exe	82
PID 3480 wrote to memory of 4856	3480	company business card.exe	82
PID 3480 wrote to memory of 4856	3480	company business card.exe	82
PID 3424 wrote to memory of 708	3424	Explorer.EXE	86
PID 3424 wrote to memory of 708	3424	Explorer.EXE	86
PID 3424 wrote to memory of 708	3424	Explorer.EXE	86
PID 708 wrote to memory of 3360	708	msdt.exe	87
PID 708 wrote to memory of 3360	708	msdt.exe	87
PID 708 wrote to memory of 3360	708	msdt.exe	87

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3424
- C:\Users\Admin\AppData\Local\Temp\company business card.exe
  "C:\Users\Admin\AppData\Local\Temp\company business card.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:3480
- - C:\Users\Admin\AppData\Local\Temp\company business card.exe
    "C:\Users\Admin\AppData\Local\Temp\company business card.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4856
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3480 -s 516
    3⤵
    - Program crash
    PID:2852
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.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:708
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\company business card.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3480 -ip 3480
1⤵
PID:3552

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

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Downloads

memory/708-6-0x0000000000310000-0x0000000000367000-memory.dmp

Filesize
348KB

Download
memory/708-7-0x0000000000310000-0x0000000000367000-memory.dmp

Filesize
348KB

Download
memory/3424-5-0x00000000027D0000-0x00000000028BC000-memory.dmp

Filesize
944KB

Download
memory/3424-8-0x00000000027D0000-0x00000000028BC000-memory.dmp

Filesize
944KB

Download
memory/3424-12-0x0000000007B20000-0x0000000007C22000-memory.dmp

Filesize
1.0MB

Download
memory/3424-13-0x0000000007B20000-0x0000000007C22000-memory.dmp

Filesize
1.0MB

Download
memory/3424-15-0x0000000007B20000-0x0000000007C22000-memory.dmp

Filesize
1.0MB

Download
memory/3480-1-0x00000000002E0000-0x0000000000334000-memory.dmp

Filesize
336KB

Download
memory/3480-0-0x000000000032C000-0x000000000032D000-memory.dmp

Filesize
4KB

Download
memory/4856-2-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4856-3-0x00000000002E0000-0x0000000000334000-memory.dmp

Filesize
336KB

Download