formbook | 2040a0fdd0eddf11176cddce8489b0906e9bb6ed39b2c825f883e26a3309db57

Analysis

max time kernel
146s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-01-2025 14:10

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General

Target

890983726372673.exe
Size

722KB
MD5

0c883414fcda149f14bfe37c2bd9fc79
SHA1

cf99ca86cfac68a7414ce261bdbc04263de1ee77
SHA256

2040a0fdd0eddf11176cddce8489b0906e9bb6ed39b2c825f883e26a3309db57
SHA512

2cdce3e4094cd4c72d3f4618fdcbaac2548bbddb4b4471d7f3838817913574a8b63b890be5a1ed8ce0a244fe24114d6cc25004dcd6be8ae62c0703b7e1815067
SSDEEP

12288:ZSihRSUunB2fP+rnhBR44lSQ5XUIT7sLzm1BHS/YlJ/GOX89rUU0+KlQlNLn:0xnumz1UITez4BlR7XQ59KaHLn

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 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2908-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2796-24-0x00000000000D0000-0x00000000000FF000-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
2256	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2012 set thread context of 2908	2012	890983726372673.exe	36
PID 2908 set thread context of 1192	2908	RegSvcs.exe	21
PID 2796 set thread context of 1192	2796	NETSTAT.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	890983726372673.exe
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	NETSTAT.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2796	NETSTAT.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
2728	schtasks.exe

Suspicious behavior: EnumeratesProcesses 33 IoCs

pid	Process
2012	890983726372673.exe
2012	890983726372673.exe
2012	890983726372673.exe
2012	890983726372673.exe
2908	RegSvcs.exe
2908	RegSvcs.exe
2256	powershell.exe
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE
2796	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2908	RegSvcs.exe
2908	RegSvcs.exe
2908	RegSvcs.exe
2796	NETSTAT.EXE
2796	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2012	890983726372673.exe
Token: SeDebugPrivilege	2908	RegSvcs.exe
Token: SeDebugPrivilege	2256	powershell.exe
Token: SeDebugPrivilege	2796	NETSTAT.EXE

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 2256	2012	890983726372673.exe	31
PID 2012 wrote to memory of 2256	2012	890983726372673.exe	31
PID 2012 wrote to memory of 2256	2012	890983726372673.exe	31
PID 2012 wrote to memory of 2256	2012	890983726372673.exe	31
PID 2012 wrote to memory of 2728	2012	890983726372673.exe	33
PID 2012 wrote to memory of 2728	2012	890983726372673.exe	33
PID 2012 wrote to memory of 2728	2012	890983726372673.exe	33
PID 2012 wrote to memory of 2728	2012	890983726372673.exe	33
PID 2012 wrote to memory of 2812	2012	890983726372673.exe	35
PID 2012 wrote to memory of 2812	2012	890983726372673.exe	35
PID 2012 wrote to memory of 2812	2012	890983726372673.exe	35
PID 2012 wrote to memory of 2812	2012	890983726372673.exe	35
PID 2012 wrote to memory of 2812	2012	890983726372673.exe	35
PID 2012 wrote to memory of 2812	2012	890983726372673.exe	35
PID 2012 wrote to memory of 2812	2012	890983726372673.exe	35
PID 2012 wrote to memory of 2908	2012	890983726372673.exe	36
PID 2012 wrote to memory of 2908	2012	890983726372673.exe	36
PID 2012 wrote to memory of 2908	2012	890983726372673.exe	36
PID 2012 wrote to memory of 2908	2012	890983726372673.exe	36
PID 2012 wrote to memory of 2908	2012	890983726372673.exe	36
PID 2012 wrote to memory of 2908	2012	890983726372673.exe	36
PID 2012 wrote to memory of 2908	2012	890983726372673.exe	36
PID 2012 wrote to memory of 2908	2012	890983726372673.exe	36
PID 2012 wrote to memory of 2908	2012	890983726372673.exe	36
PID 2012 wrote to memory of 2908	2012	890983726372673.exe	36
PID 1192 wrote to memory of 2796	1192	Explorer.EXE	37
PID 1192 wrote to memory of 2796	1192	Explorer.EXE	37
PID 1192 wrote to memory of 2796	1192	Explorer.EXE	37
PID 1192 wrote to memory of 2796	1192	Explorer.EXE	37
PID 2796 wrote to memory of 2636	2796	NETSTAT.EXE	38
PID 2796 wrote to memory of 2636	2796	NETSTAT.EXE	38
PID 2796 wrote to memory of 2636	2796	NETSTAT.EXE	38
PID 2796 wrote to memory of 2636	2796	NETSTAT.EXE	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1192
- C:\Users\Admin\AppData\Local\Temp\890983726372673.exe
  "C:\Users\Admin\AppData\Local\Temp\890983726372673.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2012
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mZanCtInfW.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2256
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mZanCtInfW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE447.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2728
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2812
- - 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:2908
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2796
- - 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:2636

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE447.tmp

Filesize
1KB

MD5
f7bb0a17b93663976848935aa5f543ca

SHA1
dee7dc5047163ba609ef9e45275f4809886e118e

SHA256
1d14439acb51a8d5e3df9f1a1b00593db3576c3423c227cc8a8b77c8a0feea6a

SHA512
d50591d51c9a9549c7ad432e90c161d3e74c94da47cc670ef049bef405c92f31ee7f9206e8f8790ad3e2e38fde0b5b1d9d1557edcdb6242c0004a76dfa948286

Download Submit
memory/1192-22-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/2012-20-0x00000000740A0000-0x000000007478E000-memory.dmp

Filesize
6.9MB

Download
memory/2012-0-0x00000000740AE000-0x00000000740AF000-memory.dmp

Filesize
4KB

Download
memory/2012-4-0x00000000740AE000-0x00000000740AF000-memory.dmp

Filesize
4KB

Download
memory/2012-5-0x00000000740A0000-0x000000007478E000-memory.dmp

Filesize
6.9MB

Download
memory/2012-6-0x00000000002C0000-0x0000000000338000-memory.dmp

Filesize
480KB

Download
memory/2012-2-0x00000000740A0000-0x000000007478E000-memory.dmp

Filesize
6.9MB

Download
memory/2012-1-0x0000000000A20000-0x0000000000ADC000-memory.dmp

Filesize
752KB

Download
memory/2012-3-0x0000000000710000-0x0000000000736000-memory.dmp

Filesize
152KB

Download
memory/2796-23-0x00000000000C0000-0x00000000000C9000-memory.dmp

Filesize
36KB

Download
memory/2796-24-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/2908-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2908-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2908-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2908-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download