formbook | f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-11-2024 03:13

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe
Size

1.0MB
MD5

a44cd4afa52a450fa94c656b8d760339
SHA1

09e74273689360524e0afb2f394675d6753867b4
SHA256

f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66
SHA512

a9e244674485d5d54efd79156c893b375f6a183404225520fb9ac501cd1fd8a99dd6faee6ce777a77996b6106bea91dbba0cc56b7ebf9af9bf8a6f1cb909d833
SSDEEP

24576:3AHnh+eWsN3skA4RV1Hom2KXMmHaGNrTAVTZN6EP5:qh+ZkldoPK8YaGx+24

Score

10^/10

formbook ma28 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ma28

Decoy

orth.monster

5970.pizza

oinayangi.net

usiness-funding-48965.bond

uttere.buzz

raumainformed.xyz

amewith.today

hetangosalon.net

irewoodprice168.shop

commerce-96305.bond

3107.loan

uohan.tech

agakaw.website

fricaduka.store

ecga.info

arehouse-inventory-27582.bond

itchen-design-87997.bond

eishahousesteaksushi.shop

liopew.xyz

4769.pizza

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/3152-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3152-9-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4024-14-0x00000000004E0000-0x000000000050F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4560 set thread context of 3152	4560	f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe	83
PID 3152 set thread context of 3436	3152	svchost.exe	56
PID 4024 set thread context of 3436	4024	NETSTAT.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NETSTAT.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
4024	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
3152	svchost.exe
3152	svchost.exe
3152	svchost.exe
3152	svchost.exe
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE
4024	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4560	f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe
3152	svchost.exe
3152	svchost.exe
3152	svchost.exe
4024	NETSTAT.EXE
4024	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3152	svchost.exe
Token: SeDebugPrivilege	4024	NETSTAT.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4560	f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe
4560	f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4560	f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe
4560	f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4560 wrote to memory of 3152	4560	f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe	83
PID 4560 wrote to memory of 3152	4560	f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe	83
PID 4560 wrote to memory of 3152	4560	f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe	83
PID 4560 wrote to memory of 3152	4560	f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe	83
PID 3436 wrote to memory of 4024	3436	Explorer.EXE	84
PID 3436 wrote to memory of 4024	3436	Explorer.EXE	84
PID 3436 wrote to memory of 4024	3436	Explorer.EXE	84
PID 4024 wrote to memory of 2652	4024	NETSTAT.EXE	91
PID 4024 wrote to memory of 2652	4024	NETSTAT.EXE	91
PID 4024 wrote to memory of 2652	4024	NETSTAT.EXE	91

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Users\Admin\AppData\Local\Temp\f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe
  "C:\Users\Admin\AppData\Local\Temp\f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.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:4560
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\f43fcf8e27da60e8295eed641aa845de83bb90e8e4e29ad90722e2f72236cb66.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3152
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.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:4024
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2652

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

Loading Replay Monitor...

Downloads

memory/3152-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3152-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3152-7-0x0000000001800000-0x0000000001B4A000-memory.dmp

Filesize
3.3MB

Download
memory/3152-10-0x0000000001C50000-0x0000000001C64000-memory.dmp

Filesize
80KB

Download
memory/3436-15-0x0000000007F10000-0x0000000008006000-memory.dmp

Filesize
984KB

Download
memory/3436-11-0x0000000007F10000-0x0000000008006000-memory.dmp

Filesize
984KB

Download
memory/3436-19-0x00000000083E0000-0x000000000852C000-memory.dmp

Filesize
1.3MB

Download
memory/3436-20-0x00000000083E0000-0x000000000852C000-memory.dmp

Filesize
1.3MB

Download
memory/3436-22-0x00000000083E0000-0x000000000852C000-memory.dmp

Filesize
1.3MB

Download
memory/4024-13-0x00000000008B0000-0x00000000008BB000-memory.dmp

Filesize
44KB

Download
memory/4024-12-0x00000000008B0000-0x00000000008BB000-memory.dmp

Filesize
44KB

Download
memory/4024-14-0x00000000004E0000-0x000000000050F000-memory.dmp

Filesize
188KB

Download
memory/4560-5-0x0000000000C30000-0x0000000000C34000-memory.dmp

Filesize
16KB

Download