formbook | 03269bda6be4990239d665ef46687005678b5d7cb217b7a65219d7927cc78420

Analysis

max time kernel
299s
max time network
298s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-09-2024 01:17

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General

Target

e-Invoice.exe
Size

1.1MB
MD5

9cff570bbd99193ba8618ba6c5491a13
SHA1

3848185fe5c08b05b27fbfa65cfadbf3096e908d
SHA256

ede8ae39d91066365f959fc9c98f0b47add88604ce95829a9618a15274faef3f
SHA512

191376aa71d6119d270a13692e8eadd06a492bc6777313fcc7bc27ebdc3244e902703bd8b206c3bfddf353131e1c2c9b7014e346649d1eb691d426d13764b34b
SSDEEP

24576:uRmJkcoQricOIQxiZY1iaC+BJ8a3qVH/by3Q4w0jgo:7JZoQrbTFZY1iaC+wakmnw0X

Score

10^/10

formbook c89p discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

c89p

Decoy

ftersaleb.top

dcustomdesgins.net

ostbet2024.live

rhgtrdjdjytkyhretrdjfytd.buzz

atauniversity.tech

idoctor365.net

x-design-courses-29670.bond

ellowold-pc.top

ransportationmmsytpro.top

areerfest.xyz

artiresbah-in.today

ijie.pro

torehousestudio.info

69-11-luxury-watches.shop

earing-tests-44243.bond

hits.shop

hzl9.bond

lood-test-jp-1.bond

livialiving.online

usymomsmakingmoney.online

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/1872-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1872-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3568-11-0x0000000000870000-0x000000000089F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4968 set thread context of 1872	4968	e-Invoice.exe	86
PID 1872 set thread context of 3500	1872	svchost.exe	56
PID 3568 set thread context of 3500	3568	ipconfig.exe	56

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e-Invoice.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
3568	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1872	svchost.exe
1872	svchost.exe
1872	svchost.exe
1872	svchost.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe
3568	ipconfig.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4968	e-Invoice.exe
1872	svchost.exe
1872	svchost.exe
1872	svchost.exe
3568	ipconfig.exe
3568	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1872	svchost.exe
Token: SeDebugPrivilege	3568	ipconfig.exe
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE

Suspicious use of FindShellTrayWindow 7 IoCs

pid	Process
4968	e-Invoice.exe
4968	e-Invoice.exe
4968	e-Invoice.exe
4968	e-Invoice.exe
4968	e-Invoice.exe
4968	e-Invoice.exe
4968	e-Invoice.exe

Suspicious use of SendNotifyMessage 7 IoCs

pid	Process
4968	e-Invoice.exe
4968	e-Invoice.exe
4968	e-Invoice.exe
4968	e-Invoice.exe
4968	e-Invoice.exe
4968	e-Invoice.exe
4968	e-Invoice.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4968 wrote to memory of 1872	4968	e-Invoice.exe	86
PID 4968 wrote to memory of 1872	4968	e-Invoice.exe	86
PID 4968 wrote to memory of 1872	4968	e-Invoice.exe	86
PID 4968 wrote to memory of 1872	4968	e-Invoice.exe	86
PID 3500 wrote to memory of 3568	3500	Explorer.EXE	87
PID 3500 wrote to memory of 3568	3500	Explorer.EXE	87
PID 3500 wrote to memory of 3568	3500	Explorer.EXE	87
PID 3568 wrote to memory of 4856	3568	ipconfig.exe	89
PID 3568 wrote to memory of 4856	3568	ipconfig.exe	89
PID 3568 wrote to memory of 4856	3568	ipconfig.exe	89

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3500
- C:\Users\Admin\AppData\Local\Temp\e-Invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\e-Invoice.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:4968
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\e-Invoice.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1872
- 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:3568
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4856

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/1872-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1872-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1872-4-0x0000000001300000-0x000000000164A000-memory.dmp

Filesize
3.3MB

Download
memory/1872-7-0x0000000001270000-0x0000000001284000-memory.dmp

Filesize
80KB

Download
memory/3500-12-0x0000000002870000-0x000000000296F000-memory.dmp

Filesize
1020KB

Download
memory/3500-8-0x0000000002870000-0x000000000296F000-memory.dmp

Filesize
1020KB

Download
memory/3500-15-0x0000000002650000-0x0000000002701000-memory.dmp

Filesize
708KB

Download
memory/3500-17-0x0000000002650000-0x0000000002701000-memory.dmp

Filesize
708KB

Download
memory/3500-18-0x0000000002650000-0x0000000002701000-memory.dmp

Filesize
708KB

Download
memory/3568-9-0x0000000000820000-0x000000000082B000-memory.dmp

Filesize
44KB

Download
memory/3568-10-0x0000000000820000-0x000000000082B000-memory.dmp

Filesize
44KB

Download
memory/3568-11-0x0000000000870000-0x000000000089F000-memory.dmp

Filesize
188KB

Download
memory/4968-2-0x00000000042B0000-0x00000000046B0000-memory.dmp

Filesize
4.0MB

Download