formbook | e6f1168bb91a3c14750cc211595b4139d2ee51d08f23264b27f96fa3bb2c0afc

Analysis

max time kernel
147s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-08-2024 01:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe
Size

1.1MB
MD5

dd51ef4d9a4169038673c7f657f2f9c5
SHA1

f7d28cf5ad8a036ab851f4f836159235fd22b60c
SHA256

49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450
SHA512

827c4cb8eceaf42a18084741cc1f50dd593741c53015392863d5fc3dd3f301910bbf0a979909e36289b649b837aa35609994b3d21d40d2b58865ab8f7bc1c686
SSDEEP

24576:2qDEvCTbMWu7rQYlBQcBiT6rprG8aojxwBfcZW//g50hU:2TvC/MTQYxsWR7ao+v4mh

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/1540-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1540-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4224-20-0x0000000000790000-0x00000000007BF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1884 set thread context of 1540	1884	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe	90
PID 1540 set thread context of 3448	1540	svchost.exe	56
PID 4224 set thread context of 3448	4224	ipconfig.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	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
4224	ipconfig.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 62 IoCs

pid	Process
1540	svchost.exe
1540	svchost.exe
1540	svchost.exe
1540	svchost.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe
4224	ipconfig.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1884	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe
1540	svchost.exe
1540	svchost.exe
1540	svchost.exe
4224	ipconfig.exe
4224	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1540	svchost.exe
Token: SeDebugPrivilege	4224	ipconfig.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1884	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe
1884	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe
3448	Explorer.EXE
3448	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1884	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe
1884	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3448	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 1540	1884	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe	90
PID 1884 wrote to memory of 1540	1884	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe	90
PID 1884 wrote to memory of 1540	1884	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe	90
PID 1884 wrote to memory of 1540	1884	49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe	90
PID 3448 wrote to memory of 4224	3448	Explorer.EXE	91
PID 3448 wrote to memory of 4224	3448	Explorer.EXE	91
PID 3448 wrote to memory of 4224	3448	Explorer.EXE	91
PID 4224 wrote to memory of 3496	4224	ipconfig.exe	96
PID 4224 wrote to memory of 3496	4224	ipconfig.exe	96
PID 4224 wrote to memory of 3496	4224	ipconfig.exe	96

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3448
- C:\Users\Admin\AppData\Local\Temp\49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe
  "C:\Users\Admin\AppData\Local\Temp\49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.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:1884
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\49bae482a9eeeb1792f15f03abbc8e6454d6b7e9fd78dbf7f3081d8dbaa9d450.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1540
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4224
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3496

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1540-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1540-13-0x0000000001900000-0x0000000001C4A000-memory.dmp

Filesize
3.3MB

Download
memory/1540-16-0x0000000001860000-0x0000000001874000-memory.dmp

Filesize
80KB

Download
memory/1540-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1884-11-0x0000000003740000-0x0000000003744000-memory.dmp

Filesize
16KB

Download
memory/3448-21-0x0000000008E10000-0x0000000008F11000-memory.dmp

Filesize
1.0MB

Download
memory/3448-17-0x0000000008E10000-0x0000000008F11000-memory.dmp

Filesize
1.0MB

Download
memory/3448-25-0x00000000088E0000-0x0000000008985000-memory.dmp

Filesize
660KB

Download
memory/3448-26-0x00000000088E0000-0x0000000008985000-memory.dmp

Filesize
660KB

Download
memory/3448-28-0x00000000088E0000-0x0000000008985000-memory.dmp

Filesize
660KB

Download
memory/4224-18-0x0000000000880000-0x000000000088B000-memory.dmp

Filesize
44KB

Download
memory/4224-19-0x0000000000880000-0x000000000088B000-memory.dmp

Filesize
44KB

Download
memory/4224-20-0x0000000000790000-0x00000000007BF000-memory.dmp

Filesize
188KB

Download