formbook | 36183838178a2eeab47bde1097a7c4274b142212051c55f92e4c6adcd0589334

General

Target

Shipping Notice_pdf.exe
Size

1.1MB
MD5

397680610e1594890cecbb39b80975f7
SHA1

8c3c1947056f25e064ff53da967888b2f4775123
SHA256

fd41013cab1a59a03989694f44428c54f7531e526448c3cd9eea90d7d53847d5
SHA512

e6a2e8650f144af8fcf6f92525140aca324a7b706a006e02488f675ee5a25678ff1721e35bf8902d3d897e99df123c19bc53240932fdf812ec1948b90a88346e
SSDEEP

24576:TqDEvCTbMWu7rQYlBQcBiT6rprG8a4uy7SXcJO6XEeLc:TTvC/MTQYxsWR7a4tRJDT

Score

10^/10

formbook ph01 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ph01

Decoy

23888.sbs

zvcj.sbs

raitpourtrait.net

ibraryfarmclub.online

omputercourses123.live

j88.doctor

atsue-color.click

epitalrentgrup.online

rvvpn.lol

i-signals.tech

cr-phoenix.best

frican-safari.online

c-games.zone

oardetest.online

f4md.shop

uke-saaac.buzz

arze.dev

nvestment-services-49610.bond

izatrip.sbs

ameron-paaaa.buzz

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
behavioral1/memory/2860-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2860-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2860-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2976-26-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1984 set thread context of 2860	1984	Shipping Notice_pdf.exe	30
PID 2860 set thread context of 1344	2860	svchost.exe	21
PID 2860 set thread context of 1344	2860	svchost.exe	21
PID 2976 set thread context of 1344	2976	wlanext.exe	21

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	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Shipping Notice_pdf.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1984	Shipping Notice_pdf.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2860	svchost.exe
2860	svchost.exe
2860	svchost.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe
2976	wlanext.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1984	Shipping Notice_pdf.exe
2860	svchost.exe
2860	svchost.exe
2860	svchost.exe
2860	svchost.exe
2976	wlanext.exe
2976	wlanext.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2860	svchost.exe
Token: SeDebugPrivilege	2976	wlanext.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1984	Shipping Notice_pdf.exe
1984	Shipping Notice_pdf.exe
1344	Explorer.EXE
1344	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1984	Shipping Notice_pdf.exe
1984	Shipping Notice_pdf.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2860	1984	Shipping Notice_pdf.exe	30
PID 1984 wrote to memory of 2860	1984	Shipping Notice_pdf.exe	30
PID 1984 wrote to memory of 2860	1984	Shipping Notice_pdf.exe	30
PID 1984 wrote to memory of 2860	1984	Shipping Notice_pdf.exe	30
PID 1984 wrote to memory of 2860	1984	Shipping Notice_pdf.exe	30
PID 1344 wrote to memory of 2976	1344	Explorer.EXE	31
PID 1344 wrote to memory of 2976	1344	Explorer.EXE	31
PID 1344 wrote to memory of 2976	1344	Explorer.EXE	31
PID 1344 wrote to memory of 2976	1344	Explorer.EXE	31
PID 2976 wrote to memory of 2788	2976	wlanext.exe	32
PID 2976 wrote to memory of 2788	2976	wlanext.exe	32
PID 2976 wrote to memory of 2788	2976	wlanext.exe	32
PID 2976 wrote to memory of 2788	2976	wlanext.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1344
- C:\Users\Admin\AppData\Local\Temp\Shipping Notice_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\Shipping Notice_pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1984
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping Notice_pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2860
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.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:2976
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1344-22-0x0000000007EB0000-0x0000000007FC2000-memory.dmp

Filesize
1.1MB

Download
memory/1344-35-0x0000000007B80000-0x0000000007C7A000-memory.dmp

Filesize
1000KB

Download
memory/1344-34-0x0000000007B80000-0x0000000007C7A000-memory.dmp

Filesize
1000KB

Download
memory/1344-32-0x0000000007B80000-0x0000000007C7A000-memory.dmp

Filesize
1000KB

Download
memory/1344-16-0x0000000003DE0000-0x0000000003EE0000-memory.dmp

Filesize
1024KB

Download
memory/1344-17-0x0000000007EB0000-0x0000000007FC2000-memory.dmp

Filesize
1.1MB

Download
memory/1344-27-0x00000000079F0000-0x0000000007AED000-memory.dmp

Filesize
1012KB

Download
memory/1344-21-0x00000000079F0000-0x0000000007AED000-memory.dmp

Filesize
1012KB

Download
memory/1984-10-0x00000000003A0000-0x00000000003A4000-memory.dmp

Filesize
16KB

Download
memory/2860-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2860-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2860-20-0x00000000001D0000-0x00000000001E4000-memory.dmp

Filesize
80KB

Download
memory/2860-15-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/2860-12-0x0000000000AA0000-0x0000000000DA3000-memory.dmp

Filesize
3.0MB

Download
memory/2860-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2976-23-0x00000000008E0000-0x00000000008F6000-memory.dmp

Filesize
88KB

Download
memory/2976-25-0x00000000008E0000-0x00000000008F6000-memory.dmp

Filesize
88KB

Download
memory/2976-26-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download

Analysis

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