formbook | 9b5f439bf7b59558b0b4dea2c1c387de8bd122fb2f91692030004ebeb24ab808

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
25/07/2024, 04:50

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General

Target

9b5f439bf7b59558b0b4dea2c1c387de8bd122fb2f91692030004ebeb24ab808.exe
Size

1.0MB
MD5

fc65a875fe7b3e5e9a0fab7050c12b6b
SHA1

0575feacb643c76b0e6754181a6f7620142cbe14
SHA256

9b5f439bf7b59558b0b4dea2c1c387de8bd122fb2f91692030004ebeb24ab808
SHA512

3e5c24e9ca8855d8f03c44e53d2d4bf9b97ad951b4c6bcd659dc7cd858e27ac0cfe601a8fccbfad56a3fab330472149e6cd443e20657a01f48d722ffd35c7765
SSDEEP

24576:7AHnh+eWsN3skA4RV1Hom2KXMmHaqZQ108KTvrtsHG25:Wh+ZkldoPK8YaqZQ1084rID

Score

10^/10

formbook pt46 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

pt46

Decoy

twinportslocal.com

rovor.store

98169.club

mdywl.com

jrd3s.rest

aston1717.top

floridawoodworkingmachinery.com

17tk555t.com

ankitsho.shop

seclameh.com

realrecordlabel.com

trenchonbirmingham.com

af28.top

rtp1kenzototo.com

theselflovesite.com

promotegetpaid.info

strategiclogisticsagency.com

learneracademy.net

per-watch.com

betbox2341.com

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/3980-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3980-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3980-18-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4420-24-0x0000000000820000-0x000000000084F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2576 set thread context of 3980	2576	9b5f439bf7b59558b0b4dea2c1c387de8bd122fb2f91692030004ebeb24ab808.exe	87
PID 3980 set thread context of 3484	3980	svchost.exe	56
PID 3980 set thread context of 3484	3980	svchost.exe	56
PID 4420 set thread context of 3484	4420	wlanext.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	9b5f439bf7b59558b0b4dea2c1c387de8bd122fb2f91692030004ebeb24ab808.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
3980	svchost.exe
3980	svchost.exe
3980	svchost.exe
3980	svchost.exe
3980	svchost.exe
3980	svchost.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe
4420	wlanext.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
2576	9b5f439bf7b59558b0b4dea2c1c387de8bd122fb2f91692030004ebeb24ab808.exe
3980	svchost.exe
3980	svchost.exe
3980	svchost.exe
3980	svchost.exe
4420	wlanext.exe
4420	wlanext.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	3980	svchost.exe
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE
Token: SeShutdownPrivilege	3484	Explorer.EXE
Token: SeCreatePagefilePrivilege	3484	Explorer.EXE
Token: SeDebugPrivilege	4420	wlanext.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3484	Explorer.EXE
3484	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3484	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2576 wrote to memory of 3980	2576	9b5f439bf7b59558b0b4dea2c1c387de8bd122fb2f91692030004ebeb24ab808.exe	87
PID 2576 wrote to memory of 3980	2576	9b5f439bf7b59558b0b4dea2c1c387de8bd122fb2f91692030004ebeb24ab808.exe	87
PID 2576 wrote to memory of 3980	2576	9b5f439bf7b59558b0b4dea2c1c387de8bd122fb2f91692030004ebeb24ab808.exe	87
PID 2576 wrote to memory of 3980	2576	9b5f439bf7b59558b0b4dea2c1c387de8bd122fb2f91692030004ebeb24ab808.exe	87
PID 3484 wrote to memory of 4420	3484	Explorer.EXE	94
PID 3484 wrote to memory of 4420	3484	Explorer.EXE	94
PID 3484 wrote to memory of 4420	3484	Explorer.EXE	94
PID 4420 wrote to memory of 4584	4420	wlanext.exe	97
PID 4420 wrote to memory of 4584	4420	wlanext.exe	97
PID 4420 wrote to memory of 4584	4420	wlanext.exe	97

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3484
- C:\Users\Admin\AppData\Local\Temp\9b5f439bf7b59558b0b4dea2c1c387de8bd122fb2f91692030004ebeb24ab808.exe
  "C:\Users\Admin\AppData\Local\Temp\9b5f439bf7b59558b0b4dea2c1c387de8bd122fb2f91692030004ebeb24ab808.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2576
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\9b5f439bf7b59558b0b4dea2c1c387de8bd122fb2f91692030004ebeb24ab808.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3980
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.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:4420
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4584

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/2576-10-0x00000000027A0000-0x00000000027A4000-memory.dmp

Filesize
16KB

Download
memory/3484-25-0x0000000008620000-0x00000000086FF000-memory.dmp

Filesize
892KB

Download
memory/3484-29-0x0000000008EC0000-0x0000000008FEE000-memory.dmp

Filesize
1.2MB

Download
memory/3484-16-0x0000000008620000-0x00000000086FF000-memory.dmp

Filesize
892KB

Download
memory/3484-20-0x000000000C740000-0x000000000C8D4000-memory.dmp

Filesize
1.6MB

Download
memory/3484-33-0x0000000008EC0000-0x0000000008FEE000-memory.dmp

Filesize
1.2MB

Download
memory/3484-30-0x0000000008EC0000-0x0000000008FEE000-memory.dmp

Filesize
1.2MB

Download
memory/3484-27-0x000000000C740000-0x000000000C8D4000-memory.dmp

Filesize
1.6MB

Download
memory/3980-15-0x0000000000DE0000-0x0000000000DF4000-memory.dmp

Filesize
80KB

Download
memory/3980-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3980-12-0x0000000001600000-0x000000000194A000-memory.dmp

Filesize
3.3MB

Download
memory/3980-19-0x0000000001590000-0x00000000015A4000-memory.dmp

Filesize
80KB

Download
memory/3980-18-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3980-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4420-23-0x0000000000EB0000-0x0000000000EC7000-memory.dmp

Filesize
92KB

Download
memory/4420-24-0x0000000000820000-0x000000000084F000-memory.dmp

Filesize
188KB

Download
memory/4420-21-0x0000000000EB0000-0x0000000000EC7000-memory.dmp

Filesize
92KB

Download