formbook | fbf4759a1be9b3f3a79ea76445343516a5eadc79281fe681aa0e3e3edcfecb59

Analysis

max time kernel
150s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
10-09-2024 01:26

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General

Target

DRAWING SINCOAUTOMATIOM86757786Ref6777POSINCOAUTOMATIOM86757786Ref6777.exe
Size

1.2MB
MD5

1876c101ef20d1d02f23014425ac06e1
SHA1

28abc61712aa81fe8f0838f1588cbd556d923e89
SHA256

1f4b2861d0fcd9241dfd17b5ae99741e712f0297ca5fb4f3858340ce3cbb91d0
SHA512

87e7838b5ef65a0c84c40e6d881f44a8af2a43354a1b7a9d301a3180ac2df77cfc4aac04aa4042e187959373b2c95d9ae62570a6c6e29bc982bfd5a5cb67398b
SSDEEP

24576:GqDEvCTbMWu7rQYlBQcBiT6rprG8an98M8HQXeYeun1033:GTvC/MTQYxsWR7an98M8wXi6

Score

10^/10

formbook ot96 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ot96

Decoy

yclingbear.studio

sxuio.xyz

eon-official-bk-o57v.buzz

teel.management

rusjitu.sbs

ighwald-holdings.info

ummitfinancal.vip

layvalleyconstruction.online

pp-games-efficsecuspon.xyz

ouh.shop

mgltd.services

gshsjwhgsg.fun

eidotijolo.online

yifg.sbs

nline-gaming-ox-mx.xyz

ux-money.info

inergiputraborneo.dev

panish-classes-67016.bond

reightrading.info

23bet.xyz

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/3116-6-0x0000000000630000-0x000000000065F000-memory.dmp	formbook
behavioral2/memory/3116-10-0x0000000000630000-0x000000000065F000-memory.dmp	formbook
behavioral2/memory/1588-16-0x0000000000B30000-0x0000000000B5F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1668 set thread context of 3116	1668	DRAWING SINCOAUTOMATIOM86757786Ref6777POSINCOAUTOMATIOM86757786Ref6777.exe	85
PID 3116 set thread context of 3436	3116	svchost.exe	56
PID 1588 set thread context of 3436	1588	msdt.exe	56

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4636	1668	WerFault.exe	81

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	DRAWING SINCOAUTOMATIOM86757786Ref6777POSINCOAUTOMATIOM86757786Ref6777.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdt.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
3116	svchost.exe
3116	svchost.exe
3116	svchost.exe
3116	svchost.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe
1588	msdt.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1668	DRAWING SINCOAUTOMATIOM86757786Ref6777POSINCOAUTOMATIOM86757786Ref6777.exe
1668	DRAWING SINCOAUTOMATIOM86757786Ref6777POSINCOAUTOMATIOM86757786Ref6777.exe
3116	svchost.exe
3116	svchost.exe
3116	svchost.exe
1588	msdt.exe
1588	msdt.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

description	pid	Process
Token: SeDebugPrivilege	3116	svchost.exe
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeDebugPrivilege	1588	msdt.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1668	DRAWING SINCOAUTOMATIOM86757786Ref6777POSINCOAUTOMATIOM86757786Ref6777.exe
1668	DRAWING SINCOAUTOMATIOM86757786Ref6777POSINCOAUTOMATIOM86757786Ref6777.exe
3436	Explorer.EXE
3436	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1668	DRAWING SINCOAUTOMATIOM86757786Ref6777POSINCOAUTOMATIOM86757786Ref6777.exe
1668	DRAWING SINCOAUTOMATIOM86757786Ref6777POSINCOAUTOMATIOM86757786Ref6777.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3436	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1668 wrote to memory of 3116	1668	DRAWING SINCOAUTOMATIOM86757786Ref6777POSINCOAUTOMATIOM86757786Ref6777.exe	85
PID 1668 wrote to memory of 3116	1668	DRAWING SINCOAUTOMATIOM86757786Ref6777POSINCOAUTOMATIOM86757786Ref6777.exe	85
PID 1668 wrote to memory of 3116	1668	DRAWING SINCOAUTOMATIOM86757786Ref6777POSINCOAUTOMATIOM86757786Ref6777.exe	85
PID 1668 wrote to memory of 3116	1668	DRAWING SINCOAUTOMATIOM86757786Ref6777POSINCOAUTOMATIOM86757786Ref6777.exe	85
PID 3436 wrote to memory of 1588	3436	Explorer.EXE	89
PID 3436 wrote to memory of 1588	3436	Explorer.EXE	89
PID 3436 wrote to memory of 1588	3436	Explorer.EXE	89
PID 1588 wrote to memory of 1868	1588	msdt.exe	91
PID 1588 wrote to memory of 1868	1588	msdt.exe	91
PID 1588 wrote to memory of 1868	1588	msdt.exe	91

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:3436
- C:\Users\Admin\AppData\Local\Temp\DRAWING SINCOAUTOMATIOM86757786Ref6777POSINCOAUTOMATIOM86757786Ref6777.exe
  "C:\Users\Admin\AppData\Local\Temp\DRAWING SINCOAUTOMATIOM86757786Ref6777POSINCOAUTOMATIOM86757786Ref6777.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:1668
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\DRAWING SINCOAUTOMATIOM86757786Ref6777POSINCOAUTOMATIOM86757786Ref6777.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3116
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 688
    3⤵
    - Program crash
    PID:4636
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.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:1588
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1668 -ip 1668
1⤵
PID:660

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/1588-16-0x0000000000B30000-0x0000000000B5F000-memory.dmp

Filesize
188KB

Download
memory/1588-13-0x0000000000900000-0x0000000000957000-memory.dmp

Filesize
348KB

Download
memory/1588-14-0x0000000000900000-0x0000000000957000-memory.dmp

Filesize
348KB

Download
memory/1668-5-0x00000000018F0000-0x00000000018F4000-memory.dmp

Filesize
16KB

Download
memory/3116-6-0x0000000000630000-0x000000000065F000-memory.dmp

Filesize
188KB

Download
memory/3116-9-0x0000000001100000-0x000000000144A000-memory.dmp

Filesize
3.3MB

Download
memory/3116-11-0x0000000000E70000-0x0000000000E85000-memory.dmp

Filesize
84KB

Download
memory/3116-10-0x0000000000630000-0x000000000065F000-memory.dmp

Filesize
188KB

Download
memory/3436-12-0x00000000081F0000-0x0000000008335000-memory.dmp

Filesize
1.3MB

Download
memory/3436-15-0x00000000081F0000-0x0000000008335000-memory.dmp

Filesize
1.3MB

Download
memory/3436-20-0x0000000002860000-0x000000000291A000-memory.dmp

Filesize
744KB

Download
memory/3436-21-0x0000000002860000-0x000000000291A000-memory.dmp

Filesize
744KB

Download
memory/3436-23-0x0000000002860000-0x000000000291A000-memory.dmp

Filesize
744KB

Download