formbook | 95d75622d314e27cd7ff796245897f4a68787a166d5dec0b2464d820e526492d

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-01-2025 14:33

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General

Target

6.exe
Size

762KB
MD5

8389dab9dc0d6595ea72c3550da3e1da
SHA1

51ca86545033133ac0b64cae05b28d5f3c2d6d8e
SHA256

95d75622d314e27cd7ff796245897f4a68787a166d5dec0b2464d820e526492d
SHA512

14b4c337e2381fbc34ecf59a073fc6d49934008a54d1c46075d7cd669734c5bf958ba15df444a7b5898dd559ed7a13fa4100254ca0daaf478cd50ac650311be0
SSDEEP

12288:uYgMIO8DfDrRrA0qzOq1+ceatVXmFvFMmRdLvn+H9srzlozkZIad:uYgnfvRkXBx2s9srz4UIad

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 4 IoCs

rat

resource	yara_rule
behavioral2/memory/1396-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1396-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1396-68-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/548-73-0x0000000001270000-0x000000000129F000-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
1388	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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	6.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4032 set thread context of 1396	4032	6.exe	95
PID 1396 set thread context of 3448	1396	6.exe	56
PID 1396 set thread context of 3448	1396	6.exe	56
PID 548 set thread context of 3448	548	systray.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	6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	systray.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
1396	6.exe
1396	6.exe
1396	6.exe
1396	6.exe
1388	powershell.exe
1388	powershell.exe
1396	6.exe
1396	6.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe
548	systray.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1396	6.exe
1396	6.exe
1396	6.exe
1396	6.exe
548	systray.exe
548	systray.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1396	6.exe
Token: SeDebugPrivilege	1388	powershell.exe
Token: SeShutdownPrivilege	3448	Explorer.EXE
Token: SeCreatePagefilePrivilege	3448	Explorer.EXE
Token: SeDebugPrivilege	548	systray.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4032 wrote to memory of 1388	4032	6.exe	93
PID 4032 wrote to memory of 1388	4032	6.exe	93
PID 4032 wrote to memory of 1388	4032	6.exe	93
PID 4032 wrote to memory of 1396	4032	6.exe	95
PID 4032 wrote to memory of 1396	4032	6.exe	95
PID 4032 wrote to memory of 1396	4032	6.exe	95
PID 4032 wrote to memory of 1396	4032	6.exe	95
PID 4032 wrote to memory of 1396	4032	6.exe	95
PID 4032 wrote to memory of 1396	4032	6.exe	95
PID 3448 wrote to memory of 548	3448	Explorer.EXE	97
PID 3448 wrote to memory of 548	3448	Explorer.EXE	97
PID 3448 wrote to memory of 548	3448	Explorer.EXE	97
PID 548 wrote to memory of 1488	548	systray.exe	98
PID 548 wrote to memory of 1488	548	systray.exe	98
PID 548 wrote to memory of 1488	548	systray.exe	98

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3448
- C:\Users\Admin\AppData\Local\Temp\6.exe
  "C:\Users\Admin\AppData\Local\Temp\6.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4032
- - 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\6.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1388
- - C:\Users\Admin\AppData\Local\Temp\6.exe
    "C:\Users\Admin\AppData\Local\Temp\6.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1396
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:800
- 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:548
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\6.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1488

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_ygachpey.5g2.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/548-73-0x0000000001270000-0x000000000129F000-memory.dmp

Filesize
188KB

Download
memory/548-71-0x0000000000E90000-0x0000000000E96000-memory.dmp

Filesize
24KB

Download
memory/548-72-0x0000000000E90000-0x0000000000E96000-memory.dmp

Filesize
24KB

Download
memory/1388-58-0x0000000006F90000-0x0000000006FA1000-memory.dmp

Filesize
68KB

Download
memory/1388-60-0x0000000006FD0000-0x0000000006FE4000-memory.dmp

Filesize
80KB

Download
memory/1388-38-0x0000000005AB0000-0x0000000005AFC000-memory.dmp

Filesize
304KB

Download
memory/1388-65-0x0000000074670000-0x0000000074E20000-memory.dmp

Filesize
7.7MB

Download
memory/1388-40-0x0000000074670000-0x0000000074E20000-memory.dmp

Filesize
7.7MB

Download
memory/1388-62-0x00000000070B0000-0x00000000070B8000-memory.dmp

Filesize
32KB

Download
memory/1388-61-0x00000000070D0000-0x00000000070EA000-memory.dmp

Filesize
104KB

Download
memory/1388-59-0x0000000006FC0000-0x0000000006FCE000-memory.dmp

Filesize
56KB

Download
memory/1388-57-0x0000000007010000-0x00000000070A6000-memory.dmp

Filesize
600KB

Download
memory/1388-56-0x0000000006E00000-0x0000000006E0A000-memory.dmp

Filesize
40KB

Download
memory/1388-55-0x0000000006D90000-0x0000000006DAA000-memory.dmp

Filesize
104KB

Download
memory/1388-19-0x00000000044E0000-0x0000000004516000-memory.dmp

Filesize
216KB

Download
memory/1388-22-0x0000000074670000-0x0000000074E20000-memory.dmp

Filesize
7.7MB

Download
memory/1388-23-0x0000000074670000-0x0000000074E20000-memory.dmp

Filesize
7.7MB

Download
memory/1388-21-0x0000000004B50000-0x0000000005178000-memory.dmp

Filesize
6.2MB

Download
memory/1388-39-0x0000000006A10000-0x0000000006A42000-memory.dmp

Filesize
200KB

Download
memory/1388-54-0x00000000073D0000-0x0000000007A4A000-memory.dmp

Filesize
6.5MB

Download
memory/1388-53-0x0000000074670000-0x0000000074E20000-memory.dmp

Filesize
7.7MB

Download
memory/1388-24-0x00000000052E0000-0x0000000005302000-memory.dmp

Filesize
136KB

Download
memory/1388-31-0x0000000005460000-0x00000000054C6000-memory.dmp

Filesize
408KB

Download
memory/1388-30-0x0000000005380000-0x00000000053E6000-memory.dmp

Filesize
408KB

Download
memory/1388-36-0x00000000055D0000-0x0000000005924000-memory.dmp

Filesize
3.3MB

Download
memory/1388-52-0x0000000006A50000-0x0000000006AF3000-memory.dmp

Filesize
652KB

Download
memory/1388-37-0x0000000005A60000-0x0000000005A7E000-memory.dmp

Filesize
120KB

Download
memory/1388-51-0x0000000006020000-0x000000000603E000-memory.dmp

Filesize
120KB

Download
memory/1388-41-0x0000000070490000-0x00000000704DC000-memory.dmp

Filesize
304KB

Download
memory/1388-20-0x000000007467E000-0x000000007467F000-memory.dmp

Filesize
4KB

Download
memory/1396-13-0x0000000001910000-0x0000000001C5A000-memory.dmp

Filesize
3.3MB

Download
memory/1396-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1396-68-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1396-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1396-17-0x00000000017F0000-0x0000000001804000-memory.dmp

Filesize
80KB

Download
memory/1396-69-0x00000000018B0000-0x00000000018C4000-memory.dmp

Filesize
80KB

Download
memory/3448-18-0x0000000008780000-0x0000000008885000-memory.dmp

Filesize
1.0MB

Download
memory/3448-66-0x0000000008780000-0x0000000008885000-memory.dmp

Filesize
1.0MB

Download
memory/3448-74-0x0000000009130000-0x0000000009271000-memory.dmp

Filesize
1.3MB

Download
memory/3448-78-0x0000000002DA0000-0x0000000002E3B000-memory.dmp

Filesize
620KB

Download
memory/3448-70-0x0000000009130000-0x0000000009271000-memory.dmp

Filesize
1.3MB

Download
memory/4032-8-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/4032-9-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4032-10-0x0000000003090000-0x0000000003108000-memory.dmp

Filesize
480KB

Download
memory/4032-7-0x00000000062D0000-0x00000000062F6000-memory.dmp

Filesize
152KB

Download
memory/4032-14-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4032-5-0x00000000745D0000-0x0000000074D80000-memory.dmp

Filesize
7.7MB

Download
memory/4032-1-0x0000000000C20000-0x0000000000CE4000-memory.dmp

Filesize
784KB

Download
memory/4032-3-0x00000000056F0000-0x0000000005782000-memory.dmp

Filesize
584KB

Download
memory/4032-2-0x0000000005BA0000-0x0000000006144000-memory.dmp

Filesize
5.6MB

Download
memory/4032-4-0x0000000005790000-0x000000000579A000-memory.dmp

Filesize
40KB

Download
memory/4032-0-0x00000000745DE000-0x00000000745DF000-memory.dmp

Filesize
4KB

Download
memory/4032-6-0x00000000059B0000-0x0000000005A4C000-memory.dmp

Filesize
624KB

Download