formbook | 633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a

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
29/08/2024, 15:21

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General

Target

633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
Size

1.1MB
MD5

3e2da7be0bae852fd8be27e3b0b2c5e6
SHA1

134e1f6951393ebe1037361d03a395231da2db99
SHA256

633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a
SHA512

823e77f4a8d51adbb264bac1cda48dd16e2bb0d429033c9a94d272558e8d7e7ab53df4def20fdf50b3f9b6f64c8d1aa5cbdc65e0f6214cba2263817ff9a3af5d
SSDEEP

24576:DqDEvCTbMWu7rQYlBQcBiT6rprG8ajPa7PUv8l:DTvC/MTQYxsWR7ajI

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/772-12-0x0000000000640000-0x000000000066F000-memory.dmp	formbook
behavioral2/memory/772-16-0x0000000000640000-0x000000000066F000-memory.dmp	formbook
behavioral2/memory/772-20-0x0000000000640000-0x000000000066F000-memory.dmp	formbook
behavioral2/memory/8-27-0x00000000007B0000-0x00000000007DF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4276 set thread context of 772	4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe	92
PID 772 set thread context of 3400	772	svchost.exe	55
PID 772 set thread context of 3400	772	svchost.exe	55
PID 8 set thread context of 3400	8	rundll32.exe	55

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	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
772	svchost.exe
772	svchost.exe
772	svchost.exe
772	svchost.exe
772	svchost.exe
772	svchost.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe
8	rundll32.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
772	svchost.exe
772	svchost.exe
772	svchost.exe
772	svchost.exe
8	rundll32.exe
8	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	772	svchost.exe
Token: SeDebugPrivilege	8	rundll32.exe

Suspicious use of FindShellTrayWindow 10 IoCs

pid	Process
4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe

Suspicious use of SendNotifyMessage 10 IoCs

pid	Process
4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3400	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4276 wrote to memory of 772	4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe	92
PID 4276 wrote to memory of 772	4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe	92
PID 4276 wrote to memory of 772	4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe	92
PID 4276 wrote to memory of 772	4276	633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe	92
PID 3400 wrote to memory of 8	3400	Explorer.EXE	95
PID 3400 wrote to memory of 8	3400	Explorer.EXE	95
PID 3400 wrote to memory of 8	3400	Explorer.EXE	95
PID 8 wrote to memory of 5048	8	rundll32.exe	96
PID 8 wrote to memory of 5048	8	rundll32.exe	96
PID 8 wrote to memory of 5048	8	rundll32.exe	96

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3400
- C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe
  "C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.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:4276
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\633defdc371a3cfd3641fd09c17ed6c0c9b8634ddb8d2de5c24a9393ac37e05a.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:772
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.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:8
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5048

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/8-23-0x0000000000820000-0x0000000000834000-memory.dmp

Filesize
80KB

Download
memory/8-27-0x00000000007B0000-0x00000000007DF000-memory.dmp

Filesize
188KB

Download
memory/8-26-0x0000000000820000-0x0000000000834000-memory.dmp

Filesize
80KB

Download
memory/772-17-0x0000000001530000-0x0000000001544000-memory.dmp

Filesize
80KB

Download
memory/772-16-0x0000000000640000-0x000000000066F000-memory.dmp

Filesize
188KB

Download
memory/772-12-0x0000000000640000-0x000000000066F000-memory.dmp

Filesize
188KB

Download
memory/772-15-0x0000000001000000-0x000000000134A000-memory.dmp

Filesize
3.3MB

Download
memory/772-21-0x0000000002E10000-0x0000000002E24000-memory.dmp

Filesize
80KB

Download
memory/772-20-0x0000000000640000-0x000000000066F000-memory.dmp

Filesize
188KB

Download
memory/3400-24-0x0000000008850000-0x00000000089B1000-memory.dmp

Filesize
1.4MB

Download
memory/3400-22-0x00000000078E0000-0x000000000799B000-memory.dmp

Filesize
748KB

Download
memory/3400-18-0x0000000008850000-0x00000000089B1000-memory.dmp

Filesize
1.4MB

Download
memory/3400-28-0x00000000078E0000-0x000000000799B000-memory.dmp

Filesize
748KB

Download
memory/3400-31-0x0000000008D00000-0x0000000008E3C000-memory.dmp

Filesize
1.2MB

Download
memory/3400-33-0x0000000008D00000-0x0000000008E3C000-memory.dmp

Filesize
1.2MB

Download
memory/3400-34-0x0000000008D00000-0x0000000008E3C000-memory.dmp

Filesize
1.2MB

Download
memory/4276-11-0x00000000014F0000-0x00000000014F4000-memory.dmp

Filesize
16KB

Download