formbook | ff50cc90850104e009b0a82ae07a0a2b785fc17d1ecdbe719caebb4e63389b7b

General

Target

Maersk Scan Docs.exe
Size

516KB
MD5

95c48652559f05a64085bfe6e35aa29f
SHA1

29b0c7589cb4404815c83a033c2b87813387e9b7
SHA256

f1def9617ca9f7ac437dfbd6d67b37af2779827c2c66b89ac80b6f6f6279f173
SHA512

95260fb7ab3d104869c3624bbf030f626f31eac4305964c71340afbe9b837299b180e5af0129f155869cc1743fd4907ca123a7c98b6f04ee8c74246041e846b4
SSDEEP

12288:ucmcDYNKgACB6CK8bWOuqynw0+je1syX/OycmcD:PDUn29qynw0+j4lX/8D

Score

10^/10

formbook ch discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

ch

Decoy

dfjz88.com

realtorscreek.com

pl8v5z.info

thicdienthoai.com

areauruguay.com

shimizu-yado.com

apples5.com

hothip.net

jm-legal.online

bkinfo28.online

edificiosakura.net

biodesixlungreflex.com

segurosblanco.com

atsintech.solutions

steuerberaterfinden.com

ojjul.com

udcomputer.com

grovescashflow.com

inglot-jlo.com

docteursnuisible.com

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2380-4-0x0000000000400000-0x0000000000486000-memory.dmp	formbook
behavioral1/memory/2380-8-0x0000000000400000-0x0000000000486000-memory.dmp	formbook

Deletes itself 1 IoCs

pid	Process
2952	cmd.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2380 set thread context of 1200	2380	Maersk Scan Docs.exe	21
PID 3020 set thread context of 1200	3020	explorer.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	Maersk Scan Docs.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 32 IoCs

pid	Process
2380	Maersk Scan Docs.exe
2380	Maersk Scan Docs.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe
3020	explorer.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2380	Maersk Scan Docs.exe
2380	Maersk Scan Docs.exe
2380	Maersk Scan Docs.exe
3020	explorer.exe
3020	explorer.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2380	Maersk Scan Docs.exe
Token: SeDebugPrivilege	3020	explorer.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2380	Maersk Scan Docs.exe
2380	Maersk Scan Docs.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2380	Maersk Scan Docs.exe
2380	Maersk Scan Docs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2380	Maersk Scan Docs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 3020	1200	Explorer.EXE	31
PID 1200 wrote to memory of 3020	1200	Explorer.EXE	31
PID 1200 wrote to memory of 3020	1200	Explorer.EXE	31
PID 1200 wrote to memory of 3020	1200	Explorer.EXE	31
PID 3020 wrote to memory of 2952	3020	explorer.exe	32
PID 3020 wrote to memory of 2952	3020	explorer.exe	32
PID 3020 wrote to memory of 2952	3020	explorer.exe	32
PID 3020 wrote to memory of 2952	3020	explorer.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\Maersk Scan Docs.exe
  "C:\Users\Admin\AppData\Local\Temp\Maersk Scan Docs.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 FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:2380
- 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:3020
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Maersk Scan Docs.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2952

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1200-12-0x0000000004F30000-0x000000000501C000-memory.dmp

Filesize
944KB

Download
memory/1200-20-0x0000000003E60000-0x0000000003F07000-memory.dmp

Filesize
668KB

Download
memory/1200-18-0x0000000003E60000-0x0000000003F07000-memory.dmp

Filesize
668KB

Download
memory/1200-17-0x0000000003E60000-0x0000000003F07000-memory.dmp

Filesize
668KB

Download
memory/1200-7-0x0000000004F30000-0x000000000501C000-memory.dmp

Filesize
944KB

Download
memory/1200-6-0x0000000003C00000-0x0000000003D00000-memory.dmp

Filesize
1024KB

Download
memory/2380-8-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2380-10-0x0000000000360000-0x0000000000369000-memory.dmp

Filesize
36KB

Download
memory/2380-2-0x0000000000360000-0x0000000000369000-memory.dmp

Filesize
36KB

Download
memory/2380-3-0x00000000778F1000-0x00000000779F2000-memory.dmp

Filesize
1.0MB

Download
memory/2380-4-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/2380-5-0x00000000778F0000-0x0000000077A99000-memory.dmp

Filesize
1.7MB

Download
memory/3020-11-0x0000000000F80000-0x0000000001201000-memory.dmp

Filesize
2.5MB

Download
memory/3020-9-0x0000000000F80000-0x0000000001201000-memory.dmp

Filesize
2.5MB

Download

Analysis

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