formbook | 91a4767026536af44716798ffc7149f1754c44f84c67bc6a237e03e4a0398d5b

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2024 11:08

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General

Target

order pdf.exe
Size

1.5MB
MD5

dc425cdd4be9e881dc82e3d75c2f7771
SHA1

c1d47f92be936cbefb52899091ca2273869101bb
SHA256

c04e2a4dfc825504cc3b9b8917cc76d60c7d5a9a7a52eb8a191372a727eb5a23
SHA512

19a79889310e1d8ac40cea9dba528656e3e2ddb4d2298fd4ade3dc7df088b32624a6ccb57657b74c4f06eecbd35cf74c9e3110dfdda036ddaf57ff096c51bd97
SSDEEP

24576:yAHnh+eWsN3skA4RV1Hom2KXMmHakWQmuuvmkvpPyfwfqpUxXrSP5:1h+ZkldoPK8YalQmhvhlyfwypUFr2

Score

10^/10

formbook e2e discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

e2e

Decoy

crowncenturies.com

lillylashescanada.com

1066701.com

wodeshuji.com

switchradiousa.com

bkaz-kids.com

hotelkewal.com

jerryswan.com

pattizanin.com

xn--jdl-w48dtzq73l8sh.com

ringabhorrent.life

home-orchestre.com

rotgussplus.com

masterorion.com

g0758.com

conradgpr.com

bolgeservis1.com

thebiologicdentist.com

plantsonly-kitchen.com

cloudshareboard.com

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/1352-5-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/1352-8-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/1332-16-0x0000000000150000-0x000000000017E000-memory.dmp	formbook
behavioral2/memory/1332-21-0x0000000000150000-0x000000000017E000-memory.dmp	formbook

Drops startup file 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\BthTelemetry.url	order pdf.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 632 set thread context of 1352	632	order pdf.exe	82
PID 1352 set thread context of 3528	1352	order pdf.exe	56
PID 1332 set thread context of 3528	1332	msiexec.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	order pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
1352	order pdf.exe
1352	order pdf.exe
1352	order pdf.exe
1352	order pdf.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe
1332	msiexec.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
632	order pdf.exe
1352	order pdf.exe
1352	order pdf.exe
1352	order pdf.exe
1332	msiexec.exe
1332	msiexec.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1352	order pdf.exe
Token: SeDebugPrivilege	1332	msiexec.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
632	order pdf.exe
632	order pdf.exe
632	order pdf.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
632	order pdf.exe
632	order pdf.exe
632	order pdf.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3528	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 632 wrote to memory of 1352	632	order pdf.exe	82
PID 632 wrote to memory of 1352	632	order pdf.exe	82
PID 632 wrote to memory of 1352	632	order pdf.exe	82
PID 632 wrote to memory of 1352	632	order pdf.exe	82
PID 3528 wrote to memory of 1332	3528	Explorer.EXE	83
PID 3528 wrote to memory of 1332	3528	Explorer.EXE	83
PID 3528 wrote to memory of 1332	3528	Explorer.EXE	83
PID 1332 wrote to memory of 1184	1332	msiexec.exe	84
PID 1332 wrote to memory of 1184	1332	msiexec.exe	84
PID 1332 wrote to memory of 1184	1332	msiexec.exe	84

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3528
- C:\Users\Admin\AppData\Local\Temp\order pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
  2⤵
  - Drops startup file
  - 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:632
- - C:\Users\Admin\AppData\Local\Temp\order pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1352
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.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:1332
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\order pdf.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1184

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/632-4-0x00000000041D0000-0x00000000041D3000-memory.dmp

Filesize
12KB

Download
memory/632-3-0x00000000041A0000-0x00000000041CE000-memory.dmp

Filesize
184KB

Download
memory/1332-13-0x00000000009C0000-0x00000000009D2000-memory.dmp

Filesize
72KB

Download
memory/1332-21-0x0000000000150000-0x000000000017E000-memory.dmp

Filesize
184KB

Download
memory/1332-20-0x00000000025C0000-0x0000000002653000-memory.dmp

Filesize
588KB

Download
memory/1332-17-0x00000000021D0000-0x000000000251A000-memory.dmp

Filesize
3.3MB

Download
memory/1332-16-0x0000000000150000-0x000000000017E000-memory.dmp

Filesize
184KB

Download
memory/1332-11-0x00000000009C0000-0x00000000009D2000-memory.dmp

Filesize
72KB

Download
memory/1332-15-0x00000000009C0000-0x00000000009D2000-memory.dmp

Filesize
72KB

Download
memory/1352-9-0x0000000001610000-0x0000000001624000-memory.dmp

Filesize
80KB

Download
memory/1352-8-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1352-6-0x0000000001870000-0x0000000001BBA000-memory.dmp

Filesize
3.3MB

Download
memory/1352-5-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3528-10-0x00000000083C0000-0x00000000084D6000-memory.dmp

Filesize
1.1MB

Download
memory/3528-18-0x00000000083C0000-0x00000000084D6000-memory.dmp

Filesize
1.1MB

Download
memory/3528-24-0x0000000008B20000-0x0000000008C2F000-memory.dmp

Filesize
1.1MB

Download
memory/3528-25-0x00007FFD94E58000-0x00007FFD94E59000-memory.dmp

Filesize
4KB

Download
memory/3528-26-0x0000000008B20000-0x0000000008C2F000-memory.dmp

Filesize
1.1MB

Download