formbook | fe520e524da362765f10d5c14321965cacecc43bb8b182368f0fdc4fbff140de

Analysis

max time kernel
146s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-12-2024 12:53

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General

Target

SOA SWIFT HLCUDX3241041211.pdf.exe
Size

1.1MB
MD5

2b608c57d5501c123485c89eff7bbe4f
SHA1

600e8019976ef12f51e79243a1eb99cd3af04620
SHA256

76ff0dffd9ed6c45ac635bfb3aad12d48cb3d2f0ae6473ebd036e450037bf00a
SHA512

a2f3cb3d7cae424ffee7646bf4b5fd1992d4c7f631aa82965d780f764610b0d6803884666224e36f4c10d82b75c0c463bba75c863e18b4df1202c71173315edb
SSDEEP

24576:Uu6J33O0c+JY5UZ+XC0kGso6FagJE2ed9niWY:uu0c++OCvkGs9FagBALY

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/924-7-0x0000000000330000-0x000000000035F000-memory.dmp	formbook
behavioral2/memory/924-11-0x0000000000330000-0x000000000035F000-memory.dmp	formbook
behavioral2/memory/4224-16-0x0000000000430000-0x000000000045F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3572 set thread context of 924	3572	SOA SWIFT HLCUDX3241041211.pdf.exe	82
PID 924 set thread context of 3432	924	svchost.exe	56
PID 4224 set thread context of 3432	4224	ipconfig.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	SOA SWIFT HLCUDX3241041211.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
4224	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
924	svchost.exe
924	svchost.exe
924	svchost.exe
924	svchost.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
3572	SOA SWIFT HLCUDX3241041211.pdf.exe
3572	SOA SWIFT HLCUDX3241041211.pdf.exe
924	svchost.exe
924	svchost.exe
924	svchost.exe
4224	ipconfig.exe
4224	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	924	svchost.exe
Token: SeDebugPrivilege	4224	ipconfig.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3572	SOA SWIFT HLCUDX3241041211.pdf.exe
3572	SOA SWIFT HLCUDX3241041211.pdf.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3572	SOA SWIFT HLCUDX3241041211.pdf.exe
3572	SOA SWIFT HLCUDX3241041211.pdf.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3572 wrote to memory of 924	3572	SOA SWIFT HLCUDX3241041211.pdf.exe	82
PID 3572 wrote to memory of 924	3572	SOA SWIFT HLCUDX3241041211.pdf.exe	82
PID 3572 wrote to memory of 924	3572	SOA SWIFT HLCUDX3241041211.pdf.exe	82
PID 3572 wrote to memory of 924	3572	SOA SWIFT HLCUDX3241041211.pdf.exe	82
PID 3432 wrote to memory of 4224	3432	Explorer.EXE	83
PID 3432 wrote to memory of 4224	3432	Explorer.EXE	83
PID 3432 wrote to memory of 4224	3432	Explorer.EXE	83
PID 4224 wrote to memory of 1136	4224	ipconfig.exe	84
PID 4224 wrote to memory of 1136	4224	ipconfig.exe	84
PID 4224 wrote to memory of 1136	4224	ipconfig.exe	84

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3432
- C:\Users\Admin\AppData\Local\Temp\SOA SWIFT HLCUDX3241041211.pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\SOA SWIFT HLCUDX3241041211.pdf.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:3572
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA SWIFT HLCUDX3241041211.pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:924
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4224
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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/924-12-0x0000000000E80000-0x0000000000E95000-memory.dmp

Filesize
84KB

Download
memory/924-7-0x0000000000330000-0x000000000035F000-memory.dmp

Filesize
188KB

Download
memory/924-10-0x0000000000F00000-0x000000000124A000-memory.dmp

Filesize
3.3MB

Download
memory/924-11-0x0000000000330000-0x000000000035F000-memory.dmp

Filesize
188KB

Download
memory/3432-17-0x00000000024C0000-0x00000000025AD000-memory.dmp

Filesize
948KB

Download
memory/3432-13-0x00000000024C0000-0x00000000025AD000-memory.dmp

Filesize
948KB

Download
memory/3432-21-0x0000000007B10000-0x0000000007C1A000-memory.dmp

Filesize
1.0MB

Download
memory/3432-22-0x0000000007B10000-0x0000000007C1A000-memory.dmp

Filesize
1.0MB

Download
memory/3432-24-0x0000000007B10000-0x0000000007C1A000-memory.dmp

Filesize
1.0MB

Download
memory/3572-6-0x0000000000F10000-0x0000000001310000-memory.dmp

Filesize
4.0MB

Download
memory/4224-14-0x00000000004D0000-0x00000000004DB000-memory.dmp

Filesize
44KB

Download
memory/4224-15-0x00000000004D0000-0x00000000004DB000-memory.dmp

Filesize
44KB

Download
memory/4224-16-0x0000000000430000-0x000000000045F000-memory.dmp

Filesize
188KB

Download