formbook | 5903a6e132492859e71ad0542938af1fe807e0110fdb132725b7e6fbf5e94b5e

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 01:40

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General

Target

5903a6e132492859e71ad0542938af1fe807e0110fdb132725b7e6fbf5e94b5e.exe
Size

1.1MB
MD5

471a314fd2f309be7ab062044e12f0de
SHA1

c1058e3787505af5a4df68653625158f8c8ac4b2
SHA256

5903a6e132492859e71ad0542938af1fe807e0110fdb132725b7e6fbf5e94b5e
SHA512

f12355bcb0c732dcb1f70abae4de91210cbbb8711884b2593048cf5edee0d08a2db64eeec8f8f127ad33e58eeeab6b9eeb577478c037efdedc0b3a0051994fef
SSDEEP

24576:qqDEvCTbMWu7rQYlBQcBiT6rprG8aWnmfArkK/yaFuR6i:qTvC/MTQYxsWR7aW/rk9auQ

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 3 IoCs

rat

resource	yara_rule
behavioral2/memory/1060-12-0x0000000000360000-0x000000000038F000-memory.dmp	formbook
behavioral2/memory/1060-16-0x0000000000360000-0x000000000038F000-memory.dmp	formbook
behavioral2/memory/4716-21-0x0000000000810000-0x000000000083F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4216 set thread context of 1060	4216	5903a6e132492859e71ad0542938af1fe807e0110fdb132725b7e6fbf5e94b5e.exe	87
PID 1060 set thread context of 3480	1060	svchost.exe	56
PID 4716 set thread context of 3480	4716	chkdsk.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	5903a6e132492859e71ad0542938af1fe807e0110fdb132725b7e6fbf5e94b5e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.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
1060	svchost.exe
1060	svchost.exe
1060	svchost.exe
1060	svchost.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe
4716	chkdsk.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
4216	5903a6e132492859e71ad0542938af1fe807e0110fdb132725b7e6fbf5e94b5e.exe
4216	5903a6e132492859e71ad0542938af1fe807e0110fdb132725b7e6fbf5e94b5e.exe
1060	svchost.exe
1060	svchost.exe
1060	svchost.exe
4716	chkdsk.exe
4716	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeDebugPrivilege	1060	svchost.exe
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE
Token: SeShutdownPrivilege	3480	Explorer.EXE
Token: SeCreatePagefilePrivilege	3480	Explorer.EXE
Token: SeDebugPrivilege	4716	chkdsk.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
4216	5903a6e132492859e71ad0542938af1fe807e0110fdb132725b7e6fbf5e94b5e.exe
4216	5903a6e132492859e71ad0542938af1fe807e0110fdb132725b7e6fbf5e94b5e.exe
3480	Explorer.EXE
3480	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4216	5903a6e132492859e71ad0542938af1fe807e0110fdb132725b7e6fbf5e94b5e.exe
4216	5903a6e132492859e71ad0542938af1fe807e0110fdb132725b7e6fbf5e94b5e.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3480	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4216 wrote to memory of 1060	4216	5903a6e132492859e71ad0542938af1fe807e0110fdb132725b7e6fbf5e94b5e.exe	87
PID 4216 wrote to memory of 1060	4216	5903a6e132492859e71ad0542938af1fe807e0110fdb132725b7e6fbf5e94b5e.exe	87
PID 4216 wrote to memory of 1060	4216	5903a6e132492859e71ad0542938af1fe807e0110fdb132725b7e6fbf5e94b5e.exe	87
PID 4216 wrote to memory of 1060	4216	5903a6e132492859e71ad0542938af1fe807e0110fdb132725b7e6fbf5e94b5e.exe	87
PID 3480 wrote to memory of 4716	3480	Explorer.EXE	88
PID 3480 wrote to memory of 4716	3480	Explorer.EXE	88
PID 3480 wrote to memory of 4716	3480	Explorer.EXE	88
PID 4716 wrote to memory of 4728	4716	chkdsk.exe	94
PID 4716 wrote to memory of 4728	4716	chkdsk.exe	94
PID 4716 wrote to memory of 4728	4716	chkdsk.exe	94

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:3480
- C:\Users\Admin\AppData\Local\Temp\5903a6e132492859e71ad0542938af1fe807e0110fdb132725b7e6fbf5e94b5e.exe
  "C:\Users\Admin\AppData\Local\Temp\5903a6e132492859e71ad0542938af1fe807e0110fdb132725b7e6fbf5e94b5e.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:4216
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\5903a6e132492859e71ad0542938af1fe807e0110fdb132725b7e6fbf5e94b5e.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1060
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4716
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1060-16-0x0000000000360000-0x000000000038F000-memory.dmp

Filesize
188KB

Download
memory/1060-12-0x0000000000360000-0x000000000038F000-memory.dmp

Filesize
188KB

Download
memory/1060-15-0x0000000000F00000-0x000000000124A000-memory.dmp

Filesize
3.3MB

Download
memory/1060-17-0x0000000000E70000-0x0000000000E84000-memory.dmp

Filesize
80KB

Download
memory/3480-22-0x00000000025E0000-0x00000000026B2000-memory.dmp

Filesize
840KB

Download
memory/3480-18-0x00000000025E0000-0x00000000026B2000-memory.dmp

Filesize
840KB

Download
memory/3480-26-0x0000000008140000-0x000000000823F000-memory.dmp

Filesize
1020KB

Download
memory/3480-27-0x0000000008140000-0x000000000823F000-memory.dmp

Filesize
1020KB

Download
memory/3480-29-0x0000000008140000-0x000000000823F000-memory.dmp

Filesize
1020KB

Download
memory/4216-11-0x0000000003DF0000-0x0000000003DF4000-memory.dmp

Filesize
16KB

Download
memory/4716-19-0x0000000000DB0000-0x0000000000DBA000-memory.dmp

Filesize
40KB

Download
memory/4716-20-0x0000000000DB0000-0x0000000000DBA000-memory.dmp

Filesize
40KB

Download
memory/4716-21-0x0000000000810000-0x000000000083F000-memory.dmp

Filesize
188KB

Download