formbook | cbb82dc50125685fa210511ced2f8ce4012170d4fb273df82b72c715135883b7

Analysis

max time kernel
148s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29/01/2025, 02:46

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General

Target

PURCHASE ORDER_QUOTATION.exe
Size

1.0MB
MD5

2dd7e760d5fe60a8733f365653848f8e
SHA1

8c8b8b2b15c5062bf71a9e7f7ca5dbe157c546fd
SHA256

c46750639d660e92cfb0e41eb1fc67c554589196345e03fe8af00faa1926fbc5
SHA512

ba96737bb5fec71cd9d53d772680b5af063f4c03a464bc8556df67cffa2993de60a81f1f0c3fb07a2f294934702325947fec203f0be3e54b04102f5ab9099f35
SSDEEP

24576:/AHnh+eWsN3skA4RV1Hom2KXFmIaoqD+ezzkrY4LuE5:ih+ZkldoPK1XaoqDJv4V

Score

10^/10

formbook a38m discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a38m

Decoy

rtfosters.net

ental-implants-97548.bond

raphic-design-degree-15820.bond

ompraninjas.shop

indmyusedcar.today

rumptraumasupport.net

uozwear.xyz

etron.xyz

dultlivebroadcast09.today

ypegen.net

arehouse-inventory-54057.bond

27961.pizza

ortable-ai.xyz

pioxc.xyz

nline-advertising-76059.bond

rendyshack.store

pa-services88.life

aftarpragmatic218gacor.online

yb1054.shop

8x189.xyz

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/2080-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2080-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2080-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2456-25-0x0000000000600000-0x000000000062F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3560 set thread context of 2080	3560	PURCHASE ORDER_QUOTATION.exe	82
PID 2080 set thread context of 3460	2080	svchost.exe	56
PID 2080 set thread context of 3460	2080	svchost.exe	56
PID 2456 set thread context of 3460	2456	control.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	PURCHASE ORDER_QUOTATION.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	control.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe
2456	control.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
3560	PURCHASE ORDER_QUOTATION.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2080	svchost.exe
2456	control.exe
2456	control.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2080	svchost.exe
Token: SeDebugPrivilege	2456	control.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3560	PURCHASE ORDER_QUOTATION.exe
3560	PURCHASE ORDER_QUOTATION.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3560	PURCHASE ORDER_QUOTATION.exe
3560	PURCHASE ORDER_QUOTATION.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3560 wrote to memory of 2080	3560	PURCHASE ORDER_QUOTATION.exe	82
PID 3560 wrote to memory of 2080	3560	PURCHASE ORDER_QUOTATION.exe	82
PID 3560 wrote to memory of 2080	3560	PURCHASE ORDER_QUOTATION.exe	82
PID 3560 wrote to memory of 2080	3560	PURCHASE ORDER_QUOTATION.exe	82
PID 3460 wrote to memory of 2456	3460	Explorer.EXE	83
PID 3460 wrote to memory of 2456	3460	Explorer.EXE	83
PID 3460 wrote to memory of 2456	3460	Explorer.EXE	83
PID 2456 wrote to memory of 1780	2456	control.exe	84
PID 2456 wrote to memory of 1780	2456	control.exe	84
PID 2456 wrote to memory of 1780	2456	control.exe	84

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3460
- C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER_QUOTATION.exe
  "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER_QUOTATION.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:3560
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER_QUOTATION.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2080
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\SysWOW64\control.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:2456
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1780

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/2080-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2080-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2080-13-0x0000000001400000-0x000000000174A000-memory.dmp

Filesize
3.3MB

Download
memory/2080-16-0x0000000000D90000-0x0000000000DA4000-memory.dmp

Filesize
80KB

Download
memory/2080-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2080-20-0x00000000031A0000-0x00000000031B4000-memory.dmp

Filesize
80KB

Download
memory/2456-24-0x0000000000C50000-0x0000000000C77000-memory.dmp

Filesize
156KB

Download
memory/2456-23-0x0000000000C50000-0x0000000000C77000-memory.dmp

Filesize
156KB

Download
memory/2456-25-0x0000000000600000-0x000000000062F000-memory.dmp

Filesize
188KB

Download
memory/3460-22-0x0000000009150000-0x000000000927D000-memory.dmp

Filesize
1.2MB

Download
memory/3460-17-0x0000000009150000-0x000000000927D000-memory.dmp

Filesize
1.2MB

Download
memory/3460-21-0x00000000093B0000-0x0000000009525000-memory.dmp

Filesize
1.5MB

Download
memory/3460-26-0x00000000093B0000-0x0000000009525000-memory.dmp

Filesize
1.5MB

Download
memory/3460-28-0x0000000009860000-0x00000000099F1000-memory.dmp

Filesize
1.6MB

Download
memory/3460-29-0x0000000009860000-0x00000000099F1000-memory.dmp

Filesize
1.6MB

Download
memory/3560-11-0x0000000000C00000-0x0000000001000000-memory.dmp

Filesize
4.0MB

Download