formbook | 72386d293874079ed88a5f8d2ba12ba0c73d9014a1cdc8c46a4798e638ff7702

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03/01/2025, 07:51

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General

Target

72386D293874079ED88A5F8D2BA12BA0C73D9014A1CDC8C46A4798E638FF7702.exe
Size

1.0MB
MD5

339ae69e221743fd181a78cad3fe7e60
SHA1

ea6e6b0f7c267995084d31467383ef22de89ba00
SHA256

72386d293874079ed88a5f8d2ba12ba0c73d9014a1cdc8c46a4798e638ff7702
SHA512

6a96ddfaef5d03f08be2ba1c20821201cc016d76f2a9fffec9ddaa7d285b01ae850aeb8f42c72afe997c0afe21d1fbb6c0c486a7b50b19b6316205edab91a18a
SSDEEP

24576:RAHnh+eWsN3skA4RV1Hom2KXMmHatecJSNefwmnfGLGKRZjb35:oh+ZkldoPK8Yate6SIfBffojd

Score

10^/10

formbook as02 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

as02

Decoy

qwin777.com

robinhoods.live

h3jh-dal.pics

braindeadcopywriting.com

kktcbet1000.com

mpo0463.cfd

raboteshoes.com

ab1718.com

lowcrusiers.com

gregcopelandmusic.com

dkfndch.store

firstclassuni.com

00ewu1ub.com

shunweichemical.com

sugarits.com

marqify.com

mistmajik.com

trezip.online

tinytables.xyz

suestergocoaching.com

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/3880-11-0x0000000000120000-0x000000000014F000-memory.dmp	formbook
behavioral2/memory/3880-15-0x0000000000120000-0x000000000014F000-memory.dmp	formbook
behavioral2/memory/2996-22-0x00000000009C0000-0x00000000009EF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1420 set thread context of 3880	1420	72386D293874079ED88A5F8D2BA12BA0C73D9014A1CDC8C46A4798E638FF7702.exe	83
PID 3880 set thread context of 3464	3880	svchost.exe	56
PID 2996 set thread context of 3464	2996	mstsc.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	72386D293874079ED88A5F8D2BA12BA0C73D9014A1CDC8C46A4798E638FF7702.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstsc.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
3880	svchost.exe
3880	svchost.exe
3880	svchost.exe
3880	svchost.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe
2996	mstsc.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1420	72386D293874079ED88A5F8D2BA12BA0C73D9014A1CDC8C46A4798E638FF7702.exe
1420	72386D293874079ED88A5F8D2BA12BA0C73D9014A1CDC8C46A4798E638FF7702.exe
3880	svchost.exe
3880	svchost.exe
3880	svchost.exe
2996	mstsc.exe
2996	mstsc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3880	svchost.exe
Token: SeDebugPrivilege	2996	mstsc.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1420	72386D293874079ED88A5F8D2BA12BA0C73D9014A1CDC8C46A4798E638FF7702.exe
1420	72386D293874079ED88A5F8D2BA12BA0C73D9014A1CDC8C46A4798E638FF7702.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1420	72386D293874079ED88A5F8D2BA12BA0C73D9014A1CDC8C46A4798E638FF7702.exe
1420	72386D293874079ED88A5F8D2BA12BA0C73D9014A1CDC8C46A4798E638FF7702.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1420 wrote to memory of 3880	1420	72386D293874079ED88A5F8D2BA12BA0C73D9014A1CDC8C46A4798E638FF7702.exe	83
PID 1420 wrote to memory of 3880	1420	72386D293874079ED88A5F8D2BA12BA0C73D9014A1CDC8C46A4798E638FF7702.exe	83
PID 1420 wrote to memory of 3880	1420	72386D293874079ED88A5F8D2BA12BA0C73D9014A1CDC8C46A4798E638FF7702.exe	83
PID 1420 wrote to memory of 3880	1420	72386D293874079ED88A5F8D2BA12BA0C73D9014A1CDC8C46A4798E638FF7702.exe	83
PID 3464 wrote to memory of 2996	3464	Explorer.EXE	84
PID 3464 wrote to memory of 2996	3464	Explorer.EXE	84
PID 3464 wrote to memory of 2996	3464	Explorer.EXE	84
PID 2996 wrote to memory of 1836	2996	mstsc.exe	86
PID 2996 wrote to memory of 1836	2996	mstsc.exe	86
PID 2996 wrote to memory of 1836	2996	mstsc.exe	86

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3464
- C:\Users\Admin\AppData\Local\Temp\72386D293874079ED88A5F8D2BA12BA0C73D9014A1CDC8C46A4798E638FF7702.exe
  "C:\Users\Admin\AppData\Local\Temp\72386D293874079ED88A5F8D2BA12BA0C73D9014A1CDC8C46A4798E638FF7702.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:1420
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\72386D293874079ED88A5F8D2BA12BA0C73D9014A1CDC8C46A4798E638FF7702.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3880
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.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:2996
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1836

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

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Downloads

memory/1420-10-0x0000000002030000-0x0000000002034000-memory.dmp

Filesize
16KB

Download
memory/2996-22-0x00000000009C0000-0x00000000009EF000-memory.dmp

Filesize
188KB

Download
memory/2996-18-0x0000000000820000-0x000000000095A000-memory.dmp

Filesize
1.2MB

Download
memory/2996-20-0x0000000000820000-0x000000000095A000-memory.dmp

Filesize
1.2MB

Download
memory/3464-17-0x0000000008980000-0x0000000008AC3000-memory.dmp

Filesize
1.3MB

Download
memory/3464-21-0x0000000008980000-0x0000000008AC3000-memory.dmp

Filesize
1.3MB

Download
memory/3464-26-0x00000000091D0000-0x000000000930E000-memory.dmp

Filesize
1.2MB

Download
memory/3464-27-0x00000000091D0000-0x000000000930E000-memory.dmp

Filesize
1.2MB

Download
memory/3464-29-0x00000000091D0000-0x000000000930E000-memory.dmp

Filesize
1.2MB

Download
memory/3880-14-0x0000000000E00000-0x000000000114A000-memory.dmp

Filesize
3.3MB

Download
memory/3880-16-0x0000000000360000-0x0000000000375000-memory.dmp

Filesize
84KB

Download
memory/3880-15-0x0000000000120000-0x000000000014F000-memory.dmp

Filesize
188KB

Download
memory/3880-11-0x0000000000120000-0x000000000014F000-memory.dmp

Filesize
188KB

Download