formbook | 6a904048b9d948e087012a190d07d2acf4ed6b1ae0d666d4f6da310d1863a1c4

General

Target

payment.exe
Size

616KB
MD5

7f0687e3dd2f28735560b51644115a5a
SHA1

0f079454e8c845be4d0644ca308db90155ebc428
SHA256

6a904048b9d948e087012a190d07d2acf4ed6b1ae0d666d4f6da310d1863a1c4
SHA512

59f0bac3419116b6f60d7dce1121af5c2a84cbe25b95c8dfd457f398b3633712a431a9011a59c8bdf9ae9d69a827708590605b969cca2d8491599c82bd2ad2d1
SSDEEP

12288:3VhnAv5e60m9WlaZ9fSWacFXZPRGITMnw28TI1CjtO:F98g6dW0zSKBGTnasetO

Score

10^/10

formbook m82 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m82

Decoy

jamesdevereux.com

artificialturfminneapolis.com

hongmeiyan.com

lojaderoupasbr.com

yit.africa

austinrelocationexpert.com

saiva.page

exitsategy.com

chochonux.com

klosterbraeu-unterliezheim.com

byseymanur.com

sblwarwickshire.co.uk

brazimaid.com

ciogame.com

bronzesailing.com

dwkapl.xyz

022dyd.com

compassandpathwriting.com

alphabet1x.com

selfcleaninghairbrush.co.uk

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/4220-148-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4220-155-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/348-157-0x0000000000950000-0x000000000097F000-memory.dmp	formbook
behavioral2/memory/348-159-0x0000000000950000-0x000000000097F000-memory.dmp	formbook

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{16B0E9DB-CCF2-467D-874F-B4ACE922404D}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{DAB276F3-AD99-48BE-8F7F-E5EC020DFA96}.catalogItem	svchost.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2364 set thread context of 4220	2364	payment.exe	87
PID 4220 set thread context of 3204	4220	RegSvcs.exe	32
PID 348 set thread context of 3204	348	ipconfig.exe	32

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command-Line Interface

T1059

pid	Process
348	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

pid	Process
2364	payment.exe
2364	payment.exe
4220	RegSvcs.exe
4220	RegSvcs.exe
4220	RegSvcs.exe
4220	RegSvcs.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe
348	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3204	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4220	RegSvcs.exe
4220	RegSvcs.exe
4220	RegSvcs.exe
348	ipconfig.exe
348	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2364	payment.exe
Token: SeDebugPrivilege	4220	RegSvcs.exe
Token: SeDebugPrivilege	348	ipconfig.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 4220	2364	payment.exe	87
PID 2364 wrote to memory of 4220	2364	payment.exe	87
PID 2364 wrote to memory of 4220	2364	payment.exe	87
PID 2364 wrote to memory of 4220	2364	payment.exe	87
PID 2364 wrote to memory of 4220	2364	payment.exe	87
PID 2364 wrote to memory of 4220	2364	payment.exe	87
PID 3204 wrote to memory of 348	3204	Explorer.EXE	88
PID 3204 wrote to memory of 348	3204	Explorer.EXE	88
PID 3204 wrote to memory of 348	3204	Explorer.EXE	88
PID 348 wrote to memory of 1584	348	ipconfig.exe	89
PID 348 wrote to memory of 1584	348	ipconfig.exe	89
PID 348 wrote to memory of 1584	348	ipconfig.exe	89

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3204
- C:\Users\Admin\AppData\Local\Temp\payment.exe
  "C:\Users\Admin\AppData\Local\Temp\payment.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2364
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4220
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:348
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:1584

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:4684

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/348-154-0x0000000000800000-0x000000000080B000-memory.dmp

Filesize
44KB

Download
memory/348-161-0x00000000011B0000-0x0000000001244000-memory.dmp

Filesize
592KB

Download
memory/348-159-0x0000000000950000-0x000000000097F000-memory.dmp

Filesize
188KB

Download
memory/348-158-0x0000000001360000-0x00000000016AA000-memory.dmp

Filesize
3.3MB

Download
memory/348-157-0x0000000000950000-0x000000000097F000-memory.dmp

Filesize
188KB

Download
memory/348-156-0x0000000000800000-0x000000000080B000-memory.dmp

Filesize
44KB

Download
memory/2364-140-0x0000000005720000-0x0000000005730000-memory.dmp

Filesize
64KB

Download
memory/2364-135-0x00000000057F0000-0x0000000005882000-memory.dmp

Filesize
584KB

Download
memory/2364-134-0x0000000005D00000-0x00000000062A4000-memory.dmp

Filesize
5.6MB

Download
memory/2364-136-0x00000000057D0000-0x00000000057DA000-memory.dmp

Filesize
40KB

Download
memory/2364-137-0x0000000005720000-0x0000000005730000-memory.dmp

Filesize
64KB

Download
memory/2364-133-0x0000000000D50000-0x0000000000DF0000-memory.dmp

Filesize
640KB

Download
memory/2364-147-0x0000000006EC0000-0x0000000006F5C000-memory.dmp

Filesize
624KB

Download
memory/3204-153-0x00000000094E0000-0x00000000095ED000-memory.dmp

Filesize
1.1MB

Download
memory/3204-162-0x0000000009070000-0x0000000009157000-memory.dmp

Filesize
924KB

Download
memory/3204-163-0x0000000009070000-0x0000000009157000-memory.dmp

Filesize
924KB

Download
memory/3204-165-0x0000000009070000-0x0000000009157000-memory.dmp

Filesize
924KB

Download
memory/4220-155-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4220-152-0x00000000010E0000-0x00000000010F5000-memory.dmp

Filesize
84KB

Download
memory/4220-148-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4220-151-0x0000000001130000-0x000000000147A000-memory.dmp

Filesize
3.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads