formbook | d8829590bfc10cebf2fcaed57649932d199832cbe2a31bae2368d7d675a7002d

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-10-2024 10:45

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

malw.exe
Size

581KB
MD5

1728a3584f50d156a0cff349e336fcaf
SHA1

2a96f905684aac4d25f550f8121e08cf52bcd170
SHA256

d8829590bfc10cebf2fcaed57649932d199832cbe2a31bae2368d7d675a7002d
SHA512

56512a128e47bb296d82ea861da5ed694cecac4a726a8c1ce5b12ea8fdd34b22c7b8b632f57e1e30b62d6018cb778117b7cc60c7d25f0276bab47cbb8680a136
SSDEEP

12288:RzE2jI65WKDq+pmj9/uhvYGgNLU2/8Hf0uzBkhCVbcu9eQ:RzNnlDqamj9/WvYvIo6Chqcu

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 payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/1752-32-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1752-37-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3168-71-0x00000000011A0000-0x00000000011CF000-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
2716	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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	malw.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3304 set thread context of 1752	3304	malw.exe	96
PID 1752 set thread context of 3508	1752	malw.exe	56
PID 3168 set thread context of 3508	3168	cscript.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	malw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe

Suspicious behavior: EnumeratesProcesses 54 IoCs

pid	Process
2716	powershell.exe
2716	powershell.exe
1752	malw.exe
1752	malw.exe
1752	malw.exe
1752	malw.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe
3168	cscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1752	malw.exe
1752	malw.exe
1752	malw.exe
3168	cscript.exe
3168	cscript.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2716	powershell.exe
Token: SeDebugPrivilege	1752	malw.exe
Token: SeDebugPrivilege	3168	cscript.exe
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3508	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3304 wrote to memory of 2716	3304	malw.exe	94
PID 3304 wrote to memory of 2716	3304	malw.exe	94
PID 3304 wrote to memory of 2716	3304	malw.exe	94
PID 3304 wrote to memory of 1752	3304	malw.exe	96
PID 3304 wrote to memory of 1752	3304	malw.exe	96
PID 3304 wrote to memory of 1752	3304	malw.exe	96
PID 3304 wrote to memory of 1752	3304	malw.exe	96
PID 3304 wrote to memory of 1752	3304	malw.exe	96
PID 3304 wrote to memory of 1752	3304	malw.exe	96
PID 3508 wrote to memory of 3168	3508	Explorer.EXE	97
PID 3508 wrote to memory of 3168	3508	Explorer.EXE	97
PID 3508 wrote to memory of 3168	3508	Explorer.EXE	97
PID 3168 wrote to memory of 8	3168	cscript.exe	98
PID 3168 wrote to memory of 8	3168	cscript.exe	98
PID 3168 wrote to memory of 8	3168	cscript.exe	98

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3508
- C:\Users\Admin\AppData\Local\Temp\malw.exe
  "C:\Users\Admin\AppData\Local\Temp\malw.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3304
- - 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\malw.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2716
- - C:\Users\Admin\AppData\Local\Temp\malw.exe
    "C:\Users\Admin\AppData\Local\Temp\malw.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1752
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.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:3168
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\malw.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:8

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qa4zxzyk.k4k.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1752-34-0x0000000001750000-0x0000000001A9A000-memory.dmp

Filesize
3.3MB

Download
memory/1752-37-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1752-38-0x00000000013B0000-0x00000000013C4000-memory.dmp

Filesize
80KB

Download
memory/1752-32-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2716-58-0x0000000007EB0000-0x0000000007EC1000-memory.dmp

Filesize
68KB

Download
memory/2716-66-0x0000000007FF0000-0x000000000800A000-memory.dmp

Filesize
104KB

Download
memory/2716-70-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/2716-67-0x0000000007FD0000-0x0000000007FD8000-memory.dmp

Filesize
32KB

Download
memory/2716-65-0x0000000007EF0000-0x0000000007F04000-memory.dmp

Filesize
80KB

Download
memory/2716-64-0x0000000007EE0000-0x0000000007EEE000-memory.dmp

Filesize
56KB

Download
memory/2716-63-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/2716-13-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/2716-12-0x0000000003070000-0x00000000030A6000-memory.dmp

Filesize
216KB

Download
memory/2716-15-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/2716-14-0x0000000005A90000-0x00000000060B8000-memory.dmp

Filesize
6.2MB

Download
memory/2716-18-0x00000000060C0000-0x0000000006126000-memory.dmp

Filesize
408KB

Download
memory/2716-17-0x0000000005960000-0x00000000059C6000-memory.dmp

Filesize
408KB

Download
memory/2716-16-0x00000000058C0000-0x00000000058E2000-memory.dmp

Filesize
136KB

Download
memory/2716-62-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/2716-20-0x0000000006350000-0x00000000066A4000-memory.dmp

Filesize
3.3MB

Download
memory/2716-59-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/2716-30-0x0000000006990000-0x00000000069AE000-memory.dmp

Filesize
120KB

Download
memory/2716-31-0x00000000069C0000-0x0000000006A0C000-memory.dmp

Filesize
304KB

Download
memory/2716-57-0x0000000007F30000-0x0000000007FC6000-memory.dmp

Filesize
600KB

Download
memory/2716-55-0x0000000007CB0000-0x0000000007CCA000-memory.dmp

Filesize
104KB

Download
memory/2716-54-0x00000000082F0000-0x000000000896A000-memory.dmp

Filesize
6.5MB

Download
memory/2716-19-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/2716-53-0x00000000079A0000-0x0000000007A43000-memory.dmp

Filesize
652KB

Download
memory/2716-56-0x0000000007D20000-0x0000000007D2A000-memory.dmp

Filesize
40KB

Download
memory/2716-41-0x000000007F190000-0x000000007F1A0000-memory.dmp

Filesize
64KB

Download
memory/2716-40-0x0000000007960000-0x0000000007992000-memory.dmp

Filesize
200KB

Download
memory/2716-42-0x000000006F190000-0x000000006F1DC000-memory.dmp

Filesize
304KB

Download
memory/2716-52-0x0000000006F50000-0x0000000006F6E000-memory.dmp

Filesize
120KB

Download
memory/3168-71-0x00000000011A0000-0x00000000011CF000-memory.dmp

Filesize
188KB

Download
memory/3168-61-0x00000000001E0000-0x0000000000207000-memory.dmp

Filesize
156KB

Download
memory/3168-60-0x00000000001E0000-0x0000000000207000-memory.dmp

Filesize
156KB

Download
memory/3304-4-0x0000000004EE0000-0x0000000004EEA000-memory.dmp

Filesize
40KB

Download
memory/3304-2-0x0000000005580000-0x0000000005B24000-memory.dmp

Filesize
5.6MB

Download
memory/3304-0-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/3304-3-0x0000000004F10000-0x0000000004FA2000-memory.dmp

Filesize
584KB

Download
memory/3304-35-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/3304-1-0x0000000000450000-0x00000000004E8000-memory.dmp

Filesize
608KB

Download
memory/3304-5-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/3304-11-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/3304-10-0x000000000A320000-0x000000000A3BC000-memory.dmp

Filesize
624KB

Download
memory/3304-9-0x0000000007B80000-0x0000000007BF6000-memory.dmp

Filesize
472KB

Download
memory/3304-6-0x000000007494E000-0x000000007494F000-memory.dmp

Filesize
4KB

Download
memory/3304-8-0x0000000005050000-0x0000000005062000-memory.dmp

Filesize
72KB

Download
memory/3304-7-0x0000000074940000-0x00000000750F0000-memory.dmp

Filesize
7.7MB

Download
memory/3508-76-0x0000000008750000-0x0000000008888000-memory.dmp

Filesize
1.2MB

Download
memory/3508-72-0x0000000008600000-0x0000000008744000-memory.dmp

Filesize
1.3MB

Download
memory/3508-39-0x0000000008600000-0x0000000008744000-memory.dmp

Filesize
1.3MB

Download