formbook | db2bba5bfe8b914d1177c437c38d230ab0291f47c2142a6d2174f5a1cabd3641

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-01-2025 15:14

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General

Target

5.exe
Size

648KB
MD5

744cbe71736e73db7e940443ba884c23
SHA1

e8375f6a7cd38e5675804d3a31f8673be2072e02
SHA256

db2bba5bfe8b914d1177c437c38d230ab0291f47c2142a6d2174f5a1cabd3641
SHA512

c46965b0697734dc4fdf02a74ee77f4bdc7b6d7a326e37ad233dff25d942e5786616b79ed2f42ce2c4497654f4bb122040c8410853db3760f256268c7f8f35f6
SSDEEP

12288:m5Wa+Fb6TnaG4UDlSAnbWg5SIFlunEq8WPuWVj65OLgCck09e+:BFknDRnbroO35xb

Score

10^/10

formbook bc01 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bc01

Decoy

epatitis-treatment-26155.bond

52cy67sk.bond

nline-degree-6987776.world

ingxingdiandeng-2033.top

mberbreeze.cyou

48xc300mw.autos

obs-for-seniors-39582.bond

tpetersburg-3-tonn.online

egafon-parser.online

172jh.shop

ltraman.pro

bqfhnys.shop

ntercash24-cad.homes

uhtwister.cloud

alk-in-tubs-27353.bond

ucas-saaad.buzz

oko.events

8080713.xyz

refabricated-homes-74404.bond

inaa.boo

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
behavioral2/memory/908-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/908-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3032-67-0x0000000000F40000-0x0000000000F6F000-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
4744	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	5.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4408 set thread context of 908	4408	5.exe	99
PID 908 set thread context of 3444	908	5.exe	56
PID 3032 set thread context of 3444	3032	ipconfig.exe	56

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 4 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.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
3032	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
908	5.exe
908	5.exe
908	5.exe
908	5.exe
4744	powershell.exe
4744	powershell.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe
3032	ipconfig.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
908	5.exe
908	5.exe
908	5.exe
3032	ipconfig.exe
3032	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	908	5.exe
Token: SeDebugPrivilege	4744	powershell.exe
Token: SeDebugPrivilege	3032	ipconfig.exe
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4408 wrote to memory of 4744	4408	5.exe	97
PID 4408 wrote to memory of 4744	4408	5.exe	97
PID 4408 wrote to memory of 4744	4408	5.exe	97
PID 4408 wrote to memory of 908	4408	5.exe	99
PID 4408 wrote to memory of 908	4408	5.exe	99
PID 4408 wrote to memory of 908	4408	5.exe	99
PID 4408 wrote to memory of 908	4408	5.exe	99
PID 4408 wrote to memory of 908	4408	5.exe	99
PID 4408 wrote to memory of 908	4408	5.exe	99
PID 3444 wrote to memory of 3032	3444	Explorer.EXE	100
PID 3444 wrote to memory of 3032	3444	Explorer.EXE	100
PID 3444 wrote to memory of 3032	3444	Explorer.EXE	100
PID 3032 wrote to memory of 1728	3032	ipconfig.exe	101
PID 3032 wrote to memory of 1728	3032	ipconfig.exe	101
PID 3032 wrote to memory of 1728	3032	ipconfig.exe	101

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3444
- C:\Users\Admin\AppData\Local\Temp\5.exe
  "C:\Users\Admin\AppData\Local\Temp\5.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4408
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\5.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4744
- - C:\Users\Admin\AppData\Local\Temp\5.exe
    "C:\Users\Admin\AppData\Local\Temp\5.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:908
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.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:3032
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\5.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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\__PSScriptPolicyTest_qon2texq.02m.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/908-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/908-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/908-17-0x0000000000E70000-0x0000000000E84000-memory.dmp

Filesize
80KB

Download
memory/908-14-0x0000000001320000-0x000000000166A000-memory.dmp

Filesize
3.3MB

Download
memory/3032-55-0x0000000000440000-0x000000000044B000-memory.dmp

Filesize
44KB

Download
memory/3032-54-0x0000000000440000-0x000000000044B000-memory.dmp

Filesize
44KB

Download
memory/3032-67-0x0000000000F40000-0x0000000000F6F000-memory.dmp

Filesize
188KB

Download
memory/3444-56-0x00000000089B0000-0x0000000008AF5000-memory.dmp

Filesize
1.3MB

Download
memory/3444-76-0x0000000002E50000-0x0000000002F43000-memory.dmp

Filesize
972KB

Download
memory/3444-18-0x00000000089B0000-0x0000000008AF5000-memory.dmp

Filesize
1.3MB

Download
memory/4408-5-0x0000000004E90000-0x0000000004E9A000-memory.dmp

Filesize
40KB

Download
memory/4408-13-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4408-10-0x00000000045E0000-0x000000000465A000-memory.dmp

Filesize
488KB

Download
memory/4408-9-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4408-8-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

Filesize
4KB

Download
memory/4408-7-0x00000000051A0000-0x00000000051BE000-memory.dmp

Filesize
120KB

Download
memory/4408-6-0x0000000004F60000-0x0000000004FFC000-memory.dmp

Filesize
624KB

Download
memory/4408-0-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

Filesize
4KB

Download
memory/4408-4-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4408-3-0x0000000004BA0000-0x0000000004C32000-memory.dmp

Filesize
584KB

Download
memory/4408-2-0x0000000005210000-0x00000000057B4000-memory.dmp

Filesize
5.6MB

Download
memory/4408-1-0x0000000000240000-0x00000000002E8000-memory.dmp

Filesize
672KB

Download
memory/4744-29-0x0000000005BB0000-0x0000000005F04000-memory.dmp

Filesize
3.3MB

Download
memory/4744-57-0x0000000007B20000-0x000000000819A000-memory.dmp

Filesize
6.5MB

Download
memory/4744-26-0x0000000005B40000-0x0000000005BA6000-memory.dmp

Filesize
408KB

Download
memory/4744-24-0x0000000005070000-0x0000000005092000-memory.dmp

Filesize
136KB

Download
memory/4744-37-0x00000000061C0000-0x00000000061DE000-memory.dmp

Filesize
120KB

Download
memory/4744-38-0x0000000006250000-0x000000000629C000-memory.dmp

Filesize
304KB

Download
memory/4744-40-0x0000000070D60000-0x0000000070DAC000-memory.dmp

Filesize
304KB

Download
memory/4744-39-0x0000000006780000-0x00000000067B2000-memory.dmp

Filesize
200KB

Download
memory/4744-49-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/4744-51-0x0000000007390000-0x00000000073AE000-memory.dmp

Filesize
120KB

Download
memory/4744-52-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/4744-53-0x00000000073B0000-0x0000000007453000-memory.dmp

Filesize
652KB

Download
memory/4744-22-0x00000000053A0000-0x00000000059C8000-memory.dmp

Filesize
6.2MB

Download
memory/4744-23-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/4744-21-0x0000000004B80000-0x0000000004BB6000-memory.dmp

Filesize
216KB

Download
memory/4744-25-0x0000000005290000-0x00000000052F6000-memory.dmp

Filesize
408KB

Download
memory/4744-58-0x00000000074E0000-0x00000000074FA000-memory.dmp

Filesize
104KB

Download
memory/4744-59-0x0000000007550000-0x000000000755A000-memory.dmp

Filesize
40KB

Download
memory/4744-60-0x0000000007760000-0x00000000077F6000-memory.dmp

Filesize
600KB

Download
memory/4744-61-0x00000000076E0000-0x00000000076F1000-memory.dmp

Filesize
68KB

Download
memory/4744-62-0x0000000074F4E000-0x0000000074F4F000-memory.dmp

Filesize
4KB

Download
memory/4744-63-0x0000000007710000-0x000000000771E000-memory.dmp

Filesize
56KB

Download
memory/4744-64-0x0000000007720000-0x0000000007734000-memory.dmp

Filesize
80KB

Download
memory/4744-65-0x0000000007820000-0x000000000783A000-memory.dmp

Filesize
104KB

Download
memory/4744-66-0x0000000007800000-0x0000000007808000-memory.dmp

Filesize
32KB

Download
memory/4744-20-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/4744-68-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/4744-71-0x0000000074F40000-0x00000000756F0000-memory.dmp

Filesize
7.7MB

Download
memory/4744-19-0x0000000074F4E000-0x0000000074F4F000-memory.dmp

Filesize
4KB

Download