formbook | a726c5a24472b6e81e1dce922e3d462a1abda9da5bdb28c0f3893850560b1fbd

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
06-02-2025 13:00

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General

Target

payment SWIFT pdf.exe
Size

735KB
MD5

ed9369e24644b25d49b00072be1543f5
SHA1

0c7eb11a4365a8d2c488b512f69bdb682d95cc9a
SHA256

a726c5a24472b6e81e1dce922e3d462a1abda9da5bdb28c0f3893850560b1fbd
SHA512

c9702ade8907c87b14bdb1f5d84cd0952a3a6f1fcccf1966773f56d5b0c28044705eb9fbcc0cb028a850c63ff0c19e5f151696b92960bce012b1e5447edd22a8
SSDEEP

12288:Whn8nFllff8PcCPda11zL+GC9euIZsTilbNHwJm8LoNR8Vr8B6slRIp7:Wh8hsVPkXaGmJIOkYXLoNR2lsRG7

Score

10^/10

formbook o10c discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

o10c

Decoy

regnancy-67873.bond

oppyworld.fun

oomoo.store

illyjolly.online

-avi.art

unisitri.net

unaid-jamshed.shop

ookcovers.xyz

estrated.xyz

rpa.club

4rcraft.online

litz.baby

lysiannails.art

commerce-69321.bond

rokidu.info

havuonvanthanh.store

hiteelephant.online

ghkp.shop

uabf.info

ynthesizerwf.store

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/2596-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2596-26-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3480-76-0x0000000001000000-0x000000000102F000-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
2372	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-1-5-21-1412605595-2147700071-3468511006-1000\Control Panel\International\Geo\Nation	payment SWIFT pdf.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3312 set thread context of 2596	3312	payment SWIFT pdf.exe	105
PID 2596 set thread context of 3452	2596	RegSvcs.exe	56
PID 3480 set thread context of 3452	3480	control.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 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	payment SWIFT pdf.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	control.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-1412605595-2147700071-3468511006-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.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
1064	schtasks.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
3312	payment SWIFT pdf.exe
3312	payment SWIFT pdf.exe
2596	RegSvcs.exe
2596	RegSvcs.exe
2596	RegSvcs.exe
2596	RegSvcs.exe
2372	powershell.exe
2372	powershell.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe
3480	control.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2596	RegSvcs.exe
2596	RegSvcs.exe
2596	RegSvcs.exe
3480	control.exe
3480	control.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	3312	payment SWIFT pdf.exe
Token: SeDebugPrivilege	2372	powershell.exe
Token: SeDebugPrivilege	2596	RegSvcs.exe
Token: SeDebugPrivilege	3480	control.exe
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3452	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3312 wrote to memory of 2372	3312	payment SWIFT pdf.exe	101
PID 3312 wrote to memory of 2372	3312	payment SWIFT pdf.exe	101
PID 3312 wrote to memory of 2372	3312	payment SWIFT pdf.exe	101
PID 3312 wrote to memory of 1064	3312	payment SWIFT pdf.exe	103
PID 3312 wrote to memory of 1064	3312	payment SWIFT pdf.exe	103
PID 3312 wrote to memory of 1064	3312	payment SWIFT pdf.exe	103
PID 3312 wrote to memory of 2596	3312	payment SWIFT pdf.exe	105
PID 3312 wrote to memory of 2596	3312	payment SWIFT pdf.exe	105
PID 3312 wrote to memory of 2596	3312	payment SWIFT pdf.exe	105
PID 3312 wrote to memory of 2596	3312	payment SWIFT pdf.exe	105
PID 3312 wrote to memory of 2596	3312	payment SWIFT pdf.exe	105
PID 3312 wrote to memory of 2596	3312	payment SWIFT pdf.exe	105
PID 3452 wrote to memory of 3480	3452	Explorer.EXE	106
PID 3452 wrote to memory of 3480	3452	Explorer.EXE	106
PID 3452 wrote to memory of 3480	3452	Explorer.EXE	106
PID 3480 wrote to memory of 3976	3480	control.exe	107
PID 3480 wrote to memory of 3976	3480	control.exe	107
PID 3480 wrote to memory of 3976	3480	control.exe	107

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3452
- C:\Users\Admin\AppData\Local\Temp\payment SWIFT pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\payment SWIFT pdf.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:3312
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BnqEWcbWmE.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2372
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BnqEWcbWmE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA0F3.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1064
- - 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:2596
- C:\Windows\SysWOW64\control.exe
  "C:\Windows\SysWOW64\control.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:3480
- - 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:3976

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\Temp\__PSScriptPolicyTest_4jfxbujl.uo1.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA0F3.tmp

Filesize
1KB

MD5
bb04910b489807ec923667eee2e0adf1

SHA1
00d4e784e91d40dbc85f942fa89a81f77ce84f46

SHA256
5a664379f8993f423d5f1ea3b075016e19e39da1c7399918b35682bf9b36b576

SHA512
8ae492b67b322902af4ad3284c6ce6e1ee3a09ae88c46291f1b71a8c4b5d01c7e37a790784b63d73c681d5465e798b42b7257d6a2a4759fd860e188096b04c18

Download Submit
memory/2372-40-0x00000000063A0000-0x00000000066F4000-memory.dmp

Filesize
3.3MB

Download
memory/2372-55-0x0000000006C50000-0x0000000006C6E000-memory.dmp

Filesize
120KB

Download
memory/2372-75-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/2372-72-0x0000000007D40000-0x0000000007D48000-memory.dmp

Filesize
32KB

Download
memory/2372-71-0x0000000007D60000-0x0000000007D7A000-memory.dmp

Filesize
104KB

Download
memory/2372-70-0x0000000007C60000-0x0000000007C74000-memory.dmp

Filesize
80KB

Download
memory/2372-41-0x0000000006720000-0x000000000673E000-memory.dmp

Filesize
120KB

Download
memory/2372-69-0x0000000007C50000-0x0000000007C5E000-memory.dmp

Filesize
56KB

Download
memory/2372-68-0x0000000007C20000-0x0000000007C31000-memory.dmp

Filesize
68KB

Download
memory/2372-15-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/2372-16-0x0000000002DD0000-0x0000000002E06000-memory.dmp

Filesize
216KB

Download
memory/2372-67-0x0000000007CA0000-0x0000000007D36000-memory.dmp

Filesize
600KB

Download
memory/2372-19-0x0000000005AA0000-0x00000000060C8000-memory.dmp

Filesize
6.2MB

Download
memory/2372-18-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/2372-21-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/2372-58-0x0000000007920000-0x00000000079C3000-memory.dmp

Filesize
652KB

Download
memory/2372-66-0x0000000007A90000-0x0000000007A9A000-memory.dmp

Filesize
40KB

Download
memory/2372-59-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/2372-65-0x0000000007A20000-0x0000000007A3A000-memory.dmp

Filesize
104KB

Download
memory/2372-60-0x0000000005460000-0x0000000005470000-memory.dmp

Filesize
64KB

Download
memory/2372-64-0x0000000008070000-0x00000000086EA000-memory.dmp

Filesize
6.5MB

Download
memory/2372-33-0x0000000005980000-0x00000000059A2000-memory.dmp

Filesize
136KB

Download
memory/2372-39-0x0000000006330000-0x0000000006396000-memory.dmp

Filesize
408KB

Download
memory/2372-38-0x0000000005A30000-0x0000000005A96000-memory.dmp

Filesize
408KB

Download
memory/2372-61-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/2372-57-0x000000007F890000-0x000000007F8A0000-memory.dmp

Filesize
64KB

Download
memory/2372-56-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/2372-43-0x0000000006D40000-0x0000000006D8C000-memory.dmp

Filesize
304KB

Download
memory/2372-44-0x0000000006C80000-0x0000000006CB2000-memory.dmp

Filesize
200KB

Download
memory/2372-45-0x0000000071980000-0x00000000719CC000-memory.dmp

Filesize
304KB

Download
memory/2596-27-0x0000000000CC0000-0x0000000000CD5000-memory.dmp

Filesize
84KB

Download
memory/2596-26-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2596-24-0x0000000000DA0000-0x00000000010EA000-memory.dmp

Filesize
3.3MB

Download
memory/2596-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3312-8-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/3312-10-0x000000000D1B0000-0x000000000D24C000-memory.dmp

Filesize
624KB

Download
memory/3312-3-0x0000000005280000-0x0000000005312000-memory.dmp

Filesize
584KB

Download
memory/3312-4-0x0000000005270000-0x000000000527A000-memory.dmp

Filesize
40KB

Download
memory/3312-5-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/3312-1-0x00000000007F0000-0x00000000008AE000-memory.dmp

Filesize
760KB

Download
memory/3312-0-0x00000000750CE000-0x00000000750CF000-memory.dmp

Filesize
4KB

Download
memory/3312-23-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/3312-2-0x0000000005750000-0x0000000005CF4000-memory.dmp

Filesize
5.6MB

Download
memory/3312-6-0x00000000053E0000-0x00000000053FE000-memory.dmp

Filesize
120KB

Download
memory/3312-9-0x0000000002B10000-0x0000000002B88000-memory.dmp

Filesize
480KB

Download
memory/3312-7-0x00000000750CE000-0x00000000750CF000-memory.dmp

Filesize
4KB

Download
memory/3452-42-0x0000000007CF0000-0x0000000007E93000-memory.dmp

Filesize
1.6MB

Download
memory/3452-79-0x0000000002AB0000-0x0000000002B4D000-memory.dmp

Filesize
628KB

Download
memory/3480-76-0x0000000001000000-0x000000000102F000-memory.dmp

Filesize
188KB

Download
memory/3480-63-0x00000000000C0000-0x00000000000E7000-memory.dmp

Filesize
156KB

Download
memory/3480-62-0x00000000000C0000-0x00000000000E7000-memory.dmp

Filesize
156KB

Download