formbook | f5c898ea8aae91ddfba5afe1b4870a86fd19634d6c30a41d3e68fccf18372577

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2025 04:15

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General

Target

New Purchase Order #98540-00.exe
Size

1.3MB
MD5

202ddedc02150abda9b8679cc21aab02
SHA1

a339199aac187a3eb566ec67f92d67c934eb2235
SHA256

44e897b05ea6fc3eff3b2db584a2817cab6ca6e81193396abd21d83ce72fffa5
SHA512

e0fcd7e781d722589400e9485e0b7170ae8f6694fce2e861cec657f7a98b63c95d99574bbb8fce6a010d9d1f1692c8e36d841ec26b6eb6ac5ce1332c37dab4f7
SSDEEP

24576:fqDEvCTbMWu7rQYlBQcBiT6rprG8aD39wC4fkncmGNz/3yrgc:fTvC/MTQYxsWR7aD3iknc/NT3Z

Score

10^/10

formbook a01d discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a01d

Decoy

eniorshousing05.shop

rywisevas.biz

4726.pizza

itchen-design-42093.bond

3456.tech

4825.plus

nlinecraps.xyz

itamins-52836.bond

nfluencer-marketing-40442.bond

nline-advertising-58573.bond

rautogroups.net

limbtrip.net

oftware-download-14501.bond

nline-advertising-66733.bond

erity.xyz

xknrksi.icu

x-ist.club

yber-security-26409.bond

oincatch.xyz

onitoring-devices-34077.bond

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/3340-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3340-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3340-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4612-16-0x0000000000B90000-0x0000000000BBF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 684 set thread context of 3340	684	New Purchase Order #98540-00.exe	82
PID 3340 set thread context of 3568	3340	svchost.exe	56
PID 3340 set thread context of 3568	3340	svchost.exe	56
PID 4612 set thread context of 3568	4612	explorer.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	New Purchase Order #98540-00.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
3340	svchost.exe
3340	svchost.exe
3340	svchost.exe
3340	svchost.exe
3340	svchost.exe
3340	svchost.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe
4612	explorer.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
684	New Purchase Order #98540-00.exe
3340	svchost.exe
3340	svchost.exe
3340	svchost.exe
3340	svchost.exe
4612	explorer.exe
4612	explorer.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3340	svchost.exe
Token: SeDebugPrivilege	4612	explorer.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
684	New Purchase Order #98540-00.exe
684	New Purchase Order #98540-00.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
684	New Purchase Order #98540-00.exe
684	New Purchase Order #98540-00.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 684 wrote to memory of 3340	684	New Purchase Order #98540-00.exe	82
PID 684 wrote to memory of 3340	684	New Purchase Order #98540-00.exe	82
PID 684 wrote to memory of 3340	684	New Purchase Order #98540-00.exe	82
PID 684 wrote to memory of 3340	684	New Purchase Order #98540-00.exe	82
PID 3568 wrote to memory of 4612	3568	Explorer.EXE	87
PID 3568 wrote to memory of 4612	3568	Explorer.EXE	87
PID 3568 wrote to memory of 4612	3568	Explorer.EXE	87
PID 4612 wrote to memory of 2432	4612	explorer.exe	89
PID 4612 wrote to memory of 2432	4612	explorer.exe	89
PID 4612 wrote to memory of 2432	4612	explorer.exe	89

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3568
- C:\Users\Admin\AppData\Local\Temp\New Purchase Order #98540-00.exe
  "C:\Users\Admin\AppData\Local\Temp\New Purchase Order #98540-00.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:684
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\New Purchase Order #98540-00.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3340
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.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:4612
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2432

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/684-2-0x0000000000970000-0x0000000000D70000-memory.dmp

Filesize
4.0MB

Download
memory/3340-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3340-7-0x0000000000B70000-0x0000000000B84000-memory.dmp

Filesize
80KB

Download
memory/3340-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3340-4-0x0000000001200000-0x000000000154A000-memory.dmp

Filesize
3.3MB

Download
memory/3340-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3340-11-0x0000000002F00000-0x0000000002F14000-memory.dmp

Filesize
80KB

Download
memory/3568-20-0x00000000084B0000-0x000000000859B000-memory.dmp

Filesize
940KB

Download
memory/3568-8-0x0000000002F70000-0x000000000304D000-memory.dmp

Filesize
884KB

Download
memory/3568-12-0x0000000007530000-0x000000000765F000-memory.dmp

Filesize
1.2MB

Download
memory/3568-23-0x00000000084B0000-0x000000000859B000-memory.dmp

Filesize
940KB

Download
memory/3568-21-0x00000000084B0000-0x000000000859B000-memory.dmp

Filesize
940KB

Download
memory/3568-17-0x0000000007530000-0x000000000765F000-memory.dmp

Filesize
1.2MB

Download
memory/4612-13-0x0000000000550000-0x0000000000983000-memory.dmp

Filesize
4.2MB

Download
memory/4612-16-0x0000000000B90000-0x0000000000BBF000-memory.dmp

Filesize
188KB

Download
memory/4612-15-0x0000000000550000-0x0000000000983000-memory.dmp

Filesize
4.2MB

Download