formbook | e69d37275cc3b52a9d3a26f76073191ab8f59901781b5ef2859f33dee2252ddc

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-01-2025 13:02

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General

Target

BankCertificateFilepdf00.exe
Size

724KB
MD5

595417bf40423929716d259aa6151e68
SHA1

3adf3f7db8401715e7b73c50e1feee8b034b2f88
SHA256

e69d37275cc3b52a9d3a26f76073191ab8f59901781b5ef2859f33dee2252ddc
SHA512

03122a9d4fa3b0426d3e10bb1700c6060300b391fd1fb49242c694485a753dc7e6a5d5edc9147f469774b04f3444bf77a3ebe930c68275456309b99ca50a1f60
SSDEEP

12288:sbnXloJNhQ/cWS7stu8HP1RhXtriB5VIenigsc5YK9ygCvSDH6Way22keYeJa9:eiJN+UVsw2P3tcnRYK6SDh4eE

Score

10^/10

formbook a02d discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a02d

Decoy

coplus.market

oofing-jobs-74429.bond

healchemists.xyz

oofcarpenternearme-jp.xyz

enewebsolutions.online

harepoint.legal

88977.club

omptables.xyz

eat-pumps-31610.bond

endown.graphics

amsexgirls.website

ovevibes.xyz

u-thiensu.online

yblinds.xyz

rumpchiefofstaff.store

erzog.fun

rrm.lat

agiclime.pro

agaviet59.shop

lbdoanhnhan.net

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/2912-45-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2912-90-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/448-93-0x0000000000E20000-0x0000000000E4F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
5008	powershell.exe
836	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	BankCertificateFilepdf00.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 5064 set thread context of 2912	5064	BankCertificateFilepdf00.exe	95
PID 2912 set thread context of 3452	2912	RegSvcs.exe	54
PID 2912 set thread context of 3452	2912	RegSvcs.exe	54
PID 448 set thread context of 3452	448	wlanext.exe	54

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 6 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	BankCertificateFilepdf00.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
4796	schtasks.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
5064	BankCertificateFilepdf00.exe
5008	powershell.exe
836	powershell.exe
5064	BankCertificateFilepdf00.exe
2912	RegSvcs.exe
2912	RegSvcs.exe
2912	RegSvcs.exe
2912	RegSvcs.exe
5008	powershell.exe
836	powershell.exe
2912	RegSvcs.exe
2912	RegSvcs.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe
448	wlanext.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2912	RegSvcs.exe
2912	RegSvcs.exe
2912	RegSvcs.exe
2912	RegSvcs.exe
448	wlanext.exe
448	wlanext.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	5064	BankCertificateFilepdf00.exe
Token: SeDebugPrivilege	5008	powershell.exe
Token: SeDebugPrivilege	836	powershell.exe
Token: SeDebugPrivilege	2912	RegSvcs.exe
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeDebugPrivilege	448	wlanext.exe
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 5064 wrote to memory of 5008	5064	BankCertificateFilepdf00.exe	89
PID 5064 wrote to memory of 5008	5064	BankCertificateFilepdf00.exe	89
PID 5064 wrote to memory of 5008	5064	BankCertificateFilepdf00.exe	89
PID 5064 wrote to memory of 836	5064	BankCertificateFilepdf00.exe	91
PID 5064 wrote to memory of 836	5064	BankCertificateFilepdf00.exe	91
PID 5064 wrote to memory of 836	5064	BankCertificateFilepdf00.exe	91
PID 5064 wrote to memory of 4796	5064	BankCertificateFilepdf00.exe	93
PID 5064 wrote to memory of 4796	5064	BankCertificateFilepdf00.exe	93
PID 5064 wrote to memory of 4796	5064	BankCertificateFilepdf00.exe	93
PID 5064 wrote to memory of 2912	5064	BankCertificateFilepdf00.exe	95
PID 5064 wrote to memory of 2912	5064	BankCertificateFilepdf00.exe	95
PID 5064 wrote to memory of 2912	5064	BankCertificateFilepdf00.exe	95
PID 5064 wrote to memory of 2912	5064	BankCertificateFilepdf00.exe	95
PID 5064 wrote to memory of 2912	5064	BankCertificateFilepdf00.exe	95
PID 5064 wrote to memory of 2912	5064	BankCertificateFilepdf00.exe	95
PID 3452 wrote to memory of 448	3452	Explorer.EXE	96
PID 3452 wrote to memory of 448	3452	Explorer.EXE	96
PID 3452 wrote to memory of 448	3452	Explorer.EXE	96
PID 448 wrote to memory of 2244	448	wlanext.exe	97
PID 448 wrote to memory of 2244	448	wlanext.exe	97
PID 448 wrote to memory of 2244	448	wlanext.exe	97

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3452
- C:\Users\Admin\AppData\Local\Temp\BankCertificateFilepdf00.exe
  "C:\Users\Admin\AppData\Local\Temp\BankCertificateFilepdf00.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5064
- - 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\BankCertificateFilepdf00.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5008
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HPkPojK.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:836
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HPkPojK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6753.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4796
- - 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:2912
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.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:448
- - 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:2244

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

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
4fff2aa4d6cd3fba61ca686ee5249ee0

SHA1
742688defe11a4c3af4c0d3426cb6989b0de59fc

SHA256
6873f480abb1ba3da9b2a33d08204d1afcccc74b4f7c2e0d04ff871ffc3346b5

SHA512
2d5afea6c88bba790a62a5c35ff339d55d8c74cac5395973a00ac0e5b241af2d96bdf26d8435ea956297d5e381ab421c036b9f6811620adcb09ffb42c2364cd9

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gymtivsq.vdw.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6753.tmp

Filesize
1KB

MD5
1b08cc0760d7dac2ef8e627f5e3ed342

SHA1
a2adbfa93e67eb73b51764bd975b8f435b8dad39

SHA256
599251d19f39a6d929577e105b1639f8025151d776bf71529b9ee59cb88b4077

SHA512
48951f26617deca11f411c7c6b4fd1af8a5fd2fe70249fc2190188abf4dc9cbcac05603e65e3bc39cb995f0658f0427e8c63fc6e01acec3cf999c1923c84a05a

Download Submit
memory/448-92-0x0000000000330000-0x0000000000347000-memory.dmp

Filesize
92KB

Download
memory/448-91-0x0000000000330000-0x0000000000347000-memory.dmp

Filesize
92KB

Download
memory/448-93-0x0000000000E20000-0x0000000000E4F000-memory.dmp

Filesize
188KB

Download
memory/836-75-0x0000000007620000-0x000000000763A000-memory.dmp

Filesize
104KB

Download
memory/836-23-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/836-80-0x0000000007860000-0x0000000007874000-memory.dmp

Filesize
80KB

Download
memory/836-78-0x0000000007820000-0x0000000007831000-memory.dmp

Filesize
68KB

Download
memory/836-74-0x0000000007C60000-0x00000000082DA000-memory.dmp

Filesize
6.5MB

Download
memory/836-72-0x0000000006840000-0x000000000685E000-memory.dmp

Filesize
120KB

Download
memory/836-58-0x0000000075250000-0x000000007529C000-memory.dmp

Filesize
304KB

Download
memory/836-89-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/836-34-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/2912-90-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2912-45-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3452-97-0x0000000008D80000-0x0000000008E8A000-memory.dmp

Filesize
1.0MB

Download
memory/5008-16-0x0000000000DB0000-0x0000000000DE6000-memory.dmp

Filesize
216KB

Download
memory/5008-15-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/5008-35-0x00000000055E0000-0x0000000005934000-memory.dmp

Filesize
3.3MB

Download
memory/5008-22-0x0000000004CB0000-0x0000000004D16000-memory.dmp

Filesize
408KB

Download
memory/5008-21-0x0000000004C40000-0x0000000004CA6000-memory.dmp

Filesize
408KB

Download
memory/5008-19-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/5008-88-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/5008-49-0x0000000005B40000-0x0000000005B5E000-memory.dmp

Filesize
120KB

Download
memory/5008-50-0x0000000005B70000-0x0000000005BBC000-memory.dmp

Filesize
304KB

Download
memory/5008-51-0x0000000006B00000-0x0000000006B32000-memory.dmp

Filesize
200KB

Download
memory/5008-17-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/5008-52-0x0000000075250000-0x000000007529C000-memory.dmp

Filesize
304KB

Download
memory/5008-18-0x0000000004EB0000-0x00000000054D8000-memory.dmp

Filesize
6.2MB

Download
memory/5008-73-0x0000000006B40000-0x0000000006BE3000-memory.dmp

Filesize
652KB

Download
memory/5008-82-0x0000000007190000-0x0000000007198000-memory.dmp

Filesize
32KB

Download
memory/5008-20-0x0000000004BA0000-0x0000000004BC2000-memory.dmp

Filesize
136KB

Download
memory/5008-76-0x0000000006EE0000-0x0000000006EEA000-memory.dmp

Filesize
40KB

Download
memory/5008-77-0x00000000070F0000-0x0000000007186000-memory.dmp

Filesize
600KB

Download
memory/5008-81-0x00000000071B0000-0x00000000071CA000-memory.dmp

Filesize
104KB

Download
memory/5008-79-0x00000000070A0000-0x00000000070AE000-memory.dmp

Filesize
56KB

Download
memory/5064-9-0x0000000002F40000-0x0000000002FB8000-memory.dmp

Filesize
480KB

Download
memory/5064-10-0x000000000DC20000-0x000000000DCBC000-memory.dmp

Filesize
624KB

Download
memory/5064-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download
memory/5064-8-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/5064-7-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download
memory/5064-47-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/5064-6-0x00000000059B0000-0x00000000059D6000-memory.dmp

Filesize
152KB

Download
memory/5064-4-0x0000000005580000-0x000000000558A000-memory.dmp

Filesize
40KB

Download
memory/5064-5-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/5064-3-0x00000000055F0000-0x0000000005682000-memory.dmp

Filesize
584KB

Download
memory/5064-2-0x0000000005B00000-0x00000000060A4000-memory.dmp

Filesize
5.6MB

Download
memory/5064-1-0x0000000000AD0000-0x0000000000B8C000-memory.dmp

Filesize
752KB

Download