formbook | 9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc

General

Target

2093728827827.exe
Size

724KB
MD5

4325c56733bc218985a5cf909f5bb27f
SHA1

173d8534b685f1eefa9c84df60592404444be599
SHA256

9bf5d73a9924bd9e616336e200767e575569869d7d0ab959de9c7ebb37914dfc
SHA512

f3bc75edaa774abafa14aedbf44c30c450c9dcb92f4c92c73e7e66382222ea5dd04e038056fbfdcb9cc526c61e4f8780f43334e1f3d4f266fb59688e6862985c
SSDEEP

12288:R3ihRSUunFgIOeC9Ujifjqlxr/GH18yhO50gOrCQflaaufB2EL/WFRwqVjlzilN7:dxnFgSQAxKH18j5fiavfJLuFRfYLn

Score

10^/10

formbook 3nop discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

3nop

Decoy

subur88wap.sbs

tyai1.top

skillbeast.site

kcclassiccars.net

lghomes.net

eijanno.cyou

work-in-usa-60100.bond

268chill.store

bharatwin.biz

cakjitu01.xyz

misafert.xyz

hiretemp.net

lvekz-onearmed.top

amanda-manopo.info

seo-companies22.online

casinowalletth.net

maynrson.monster

bewizi.com

thedronetechhub.shop

car-insurance-93947.bond

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/3044-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/3044-22-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2100-24-0x00000000000D0000-0x00000000000FF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2916	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2936 set thread context of 3044	2936	2093728827827.exe	34
PID 3044 set thread context of 1192	3044	RegSvcs.exe	21
PID 3044 set thread context of 1192	3044	RegSvcs.exe	21
PID 2100 set thread context of 1192	2100	systray.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2093728827827.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1012	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2936	2093728827827.exe
2936	2093728827827.exe
2916	powershell.exe
3044	RegSvcs.exe
3044	RegSvcs.exe
3044	RegSvcs.exe
2100	systray.exe
2100	systray.exe
2100	systray.exe
2100	systray.exe
2100	systray.exe
2100	systray.exe
2100	systray.exe
2100	systray.exe
2100	systray.exe
2100	systray.exe
2100	systray.exe
2100	systray.exe
2100	systray.exe
2100	systray.exe
2100	systray.exe
2100	systray.exe
2100	systray.exe
2100	systray.exe
2100	systray.exe
2100	systray.exe
2100	systray.exe
2100	systray.exe
2100	systray.exe
2100	systray.exe
2100	systray.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
3044	RegSvcs.exe
3044	RegSvcs.exe
3044	RegSvcs.exe
3044	RegSvcs.exe
2100	systray.exe
2100	systray.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2936	2093728827827.exe
Token: SeDebugPrivilege	2916	powershell.exe
Token: SeDebugPrivilege	3044	RegSvcs.exe
Token: SeDebugPrivilege	2100	systray.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2916	2936	2093728827827.exe	30
PID 2936 wrote to memory of 2916	2936	2093728827827.exe	30
PID 2936 wrote to memory of 2916	2936	2093728827827.exe	30
PID 2936 wrote to memory of 2916	2936	2093728827827.exe	30
PID 2936 wrote to memory of 1012	2936	2093728827827.exe	32
PID 2936 wrote to memory of 1012	2936	2093728827827.exe	32
PID 2936 wrote to memory of 1012	2936	2093728827827.exe	32
PID 2936 wrote to memory of 1012	2936	2093728827827.exe	32
PID 2936 wrote to memory of 3044	2936	2093728827827.exe	34
PID 2936 wrote to memory of 3044	2936	2093728827827.exe	34
PID 2936 wrote to memory of 3044	2936	2093728827827.exe	34
PID 2936 wrote to memory of 3044	2936	2093728827827.exe	34
PID 2936 wrote to memory of 3044	2936	2093728827827.exe	34
PID 2936 wrote to memory of 3044	2936	2093728827827.exe	34
PID 2936 wrote to memory of 3044	2936	2093728827827.exe	34
PID 2936 wrote to memory of 3044	2936	2093728827827.exe	34
PID 2936 wrote to memory of 3044	2936	2093728827827.exe	34
PID 2936 wrote to memory of 3044	2936	2093728827827.exe	34
PID 1192 wrote to memory of 2100	1192	Explorer.EXE	35
PID 1192 wrote to memory of 2100	1192	Explorer.EXE	35
PID 1192 wrote to memory of 2100	1192	Explorer.EXE	35
PID 1192 wrote to memory of 2100	1192	Explorer.EXE	35
PID 2100 wrote to memory of 984	2100	systray.exe	36
PID 2100 wrote to memory of 984	2100	systray.exe	36
PID 2100 wrote to memory of 984	2100	systray.exe	36
PID 2100 wrote to memory of 984	2100	systray.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\2093728827827.exe
  "C:\Users\Admin\AppData\Local\Temp\2093728827827.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2936
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\pPTnJmSzLGdkr.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2916
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pPTnJmSzLGdkr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB174.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1012
- - 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:3044
- C:\Windows\SysWOW64\systray.exe
  "C:\Windows\SysWOW64\systray.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:2100
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB174.tmp

Filesize
1KB

MD5
905e782fb040359b7da73ed2e7440a6b

SHA1
7d83fc328674d0b85b705b7e0b070cead228045f

SHA256
cc6ce9971435d8ac174b0d5773ab35a12fa88301c942628acec3c460d4a6b074

SHA512
4dbfd0d6aba20bbb8e621cb49dede5522cf779bef1bacaf3243a5d7a301506dec36b5af9b9609ae623727a5f3544c93868484096176e8e694965e4f79f01b474

Download Submit
memory/2100-24-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/2100-23-0x0000000000D60000-0x0000000000D65000-memory.dmp

Filesize
20KB

Download
memory/2936-20-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2936-4-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/2936-5-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2936-6-0x0000000000590000-0x000000000060A000-memory.dmp

Filesize
488KB

Download
memory/2936-3-0x0000000000630000-0x0000000000656000-memory.dmp

Filesize
152KB

Download
memory/2936-0-0x0000000074A0E000-0x0000000074A0F000-memory.dmp

Filesize
4KB

Download
memory/2936-2-0x0000000074A00000-0x00000000750EE000-memory.dmp

Filesize
6.9MB

Download
memory/2936-1-0x0000000000030000-0x00000000000EC000-memory.dmp

Filesize
752KB

Download
memory/3044-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3044-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3044-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3044-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3044-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads