formbook | 741addd2850aa3852e18c3571cb3bbbe198535acbe9ee9a03a6bbc2848e1e924

Analysis

max time kernel
149s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2025, 11:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

SWIFT pdf.exe
Size

687KB
MD5

2c108e76865f4f65725c9f3410c87cd0
SHA1

0c3776f261d22cdb975e3faf7b2070b0febb3030
SHA256

124a32f23ee38371976744f5787e82d923cb0d2a366d75d6ca74a9a774a74a23
SHA512

7c3c1ce1321f0672b6f59b43f670a479506353b2070b207ead10338d65c21fd9b05ab862904c42764d796208527c7c42576d370ff3e47e82b42687afed8ba298
SSDEEP

12288:/Y2qghb7wmWrBpoMwnwVrG9R6hUBB3PaRHlOGiI818efoXFYiqp:w2dbK3xwnSrZOa2Gi3HoXy

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/1784-34-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1784-40-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3660-78-0x0000000000C30000-0x0000000000C5F000-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
2556	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-1-5-21-2436272344-4274332273-444425594-1000\Control Panel\International\Geo\Nation	SWIFT pdf.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3584 set thread context of 1784	3584	SWIFT pdf.exe	93
PID 1784 set thread context of 3408	1784	RegSvcs.exe	56
PID 3660 set thread context of 3408	3660	cmd.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	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	cmd.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
2392	schtasks.exe

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
3584	SWIFT pdf.exe
2556	powershell.exe
3584	SWIFT pdf.exe
1784	RegSvcs.exe
1784	RegSvcs.exe
1784	RegSvcs.exe
1784	RegSvcs.exe
2556	powershell.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe
3660	cmd.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
1784	RegSvcs.exe
1784	RegSvcs.exe
1784	RegSvcs.exe
3660	cmd.exe
3660	cmd.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3584	SWIFT pdf.exe
Token: SeDebugPrivilege	2556	powershell.exe
Token: SeDebugPrivilege	1784	RegSvcs.exe
Token: SeDebugPrivilege	3660	cmd.exe
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3408	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3584 wrote to memory of 2556	3584	SWIFT pdf.exe	89
PID 3584 wrote to memory of 2556	3584	SWIFT pdf.exe	89
PID 3584 wrote to memory of 2556	3584	SWIFT pdf.exe	89
PID 3584 wrote to memory of 2392	3584	SWIFT pdf.exe	91
PID 3584 wrote to memory of 2392	3584	SWIFT pdf.exe	91
PID 3584 wrote to memory of 2392	3584	SWIFT pdf.exe	91
PID 3584 wrote to memory of 1784	3584	SWIFT pdf.exe	93
PID 3584 wrote to memory of 1784	3584	SWIFT pdf.exe	93
PID 3584 wrote to memory of 1784	3584	SWIFT pdf.exe	93
PID 3584 wrote to memory of 1784	3584	SWIFT pdf.exe	93
PID 3584 wrote to memory of 1784	3584	SWIFT pdf.exe	93
PID 3584 wrote to memory of 1784	3584	SWIFT pdf.exe	93
PID 3408 wrote to memory of 3660	3408	Explorer.EXE	94
PID 3408 wrote to memory of 3660	3408	Explorer.EXE	94
PID 3408 wrote to memory of 3660	3408	Explorer.EXE	94
PID 3660 wrote to memory of 4788	3660	cmd.exe	95
PID 3660 wrote to memory of 4788	3660	cmd.exe	95
PID 3660 wrote to memory of 4788	3660	cmd.exe	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3408
- C:\Users\Admin\AppData\Local\Temp\SWIFT pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\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:3584
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JnVKXZkOEdAX.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2556
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JnVKXZkOEdAX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCF66.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2392
- - 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:1784
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.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:3660
- - 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:4788

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pqail555.hvh.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCF66.tmp

Filesize
1KB

MD5
64c7dbc4d2565fc0f266b8ee13595a58

SHA1
946ee17ce1fa43463c167b3e985d51347ba8b628

SHA256
78d6b6850534e0cc4b58408d483d1fdc207f28c8e8271ec256b9e534f39901b1

SHA512
ee6fcea1c3a61b967268e3cce1e78c24b03916668b5a86a7f8b406ac4936af327b86795351a5b204fb47d28c961853799c006c76ed3f8fee4399106fbc62b9f3

Download Submit
memory/1784-40-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1784-41-0x0000000001510000-0x0000000001525000-memory.dmp

Filesize
84KB

Download
memory/1784-38-0x00000000010D0000-0x000000000141A000-memory.dmp

Filesize
3.3MB

Download
memory/1784-34-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2556-18-0x0000000004D60000-0x0000000005388000-memory.dmp

Filesize
6.2MB

Download
memory/2556-43-0x0000000005C70000-0x0000000005C8E000-memory.dmp

Filesize
120KB

Download
memory/2556-77-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/2556-74-0x00000000072C0000-0x00000000072C8000-memory.dmp

Filesize
32KB

Download
memory/2556-73-0x00000000072E0000-0x00000000072FA000-memory.dmp

Filesize
104KB

Download
memory/2556-72-0x00000000071E0000-0x00000000071F4000-memory.dmp

Filesize
80KB

Download
memory/2556-16-0x00000000046F0000-0x0000000004726000-memory.dmp

Filesize
216KB

Download
memory/2556-71-0x00000000071D0000-0x00000000071DE000-memory.dmp

Filesize
56KB

Download
memory/2556-17-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/2556-19-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/2556-70-0x00000000071A0000-0x00000000071B1000-memory.dmp

Filesize
68KB

Download
memory/2556-22-0x0000000005580000-0x00000000055E6000-memory.dmp

Filesize
408KB

Download
memory/2556-29-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/2556-28-0x00000000055F0000-0x0000000005656000-memory.dmp

Filesize
408KB

Download
memory/2556-69-0x0000000007220000-0x00000000072B6000-memory.dmp

Filesize
600KB

Download
memory/2556-21-0x00000000054E0000-0x0000000005502000-memory.dmp

Filesize
136KB

Download
memory/2556-68-0x0000000007010000-0x000000000701A000-memory.dmp

Filesize
40KB

Download
memory/2556-35-0x0000000005760000-0x0000000005AB4000-memory.dmp

Filesize
3.3MB

Download
memory/2556-67-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/2556-63-0x0000000006FA0000-0x0000000006FBA000-memory.dmp

Filesize
104KB

Download
memory/2556-62-0x00000000075E0000-0x0000000007C5A000-memory.dmp

Filesize
6.5MB

Download
memory/2556-58-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/2556-61-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/2556-59-0x0000000002240000-0x0000000002250000-memory.dmp

Filesize
64KB

Download
memory/2556-44-0x00000000061C0000-0x000000000620C000-memory.dmp

Filesize
304KB

Download
memory/2556-46-0x0000000006C40000-0x0000000006C72000-memory.dmp

Filesize
200KB

Download
memory/2556-45-0x000000007F880000-0x000000007F890000-memory.dmp

Filesize
64KB

Download
memory/2556-47-0x0000000075180000-0x00000000751CC000-memory.dmp

Filesize
304KB

Download
memory/2556-57-0x0000000006240000-0x000000000625E000-memory.dmp

Filesize
120KB

Download
memory/2556-60-0x0000000006C80000-0x0000000006D23000-memory.dmp

Filesize
652KB

Download
memory/3408-83-0x0000000008740000-0x00000000087EE000-memory.dmp

Filesize
696KB

Download
memory/3408-42-0x00000000077B0000-0x000000000787D000-memory.dmp

Filesize
820KB

Download
memory/3584-11-0x0000000002E70000-0x0000000002EE8000-memory.dmp

Filesize
480KB

Download
memory/3584-7-0x0000000006C40000-0x0000000006CE2000-memory.dmp

Filesize
648KB

Download
memory/3584-3-0x0000000005510000-0x00000000055A2000-memory.dmp

Filesize
584KB

Download
memory/3584-37-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/3584-1-0x0000000000B50000-0x0000000000C02000-memory.dmp

Filesize
712KB

Download
memory/3584-4-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/3584-8-0x00000000059A0000-0x00000000059BE000-memory.dmp

Filesize
120KB

Download
memory/3584-5-0x00000000054C0000-0x00000000054CA000-memory.dmp

Filesize
40KB

Download
memory/3584-6-0x0000000005750000-0x00000000057EC000-memory.dmp

Filesize
624KB

Download
memory/3584-0-0x00000000748FE000-0x00000000748FF000-memory.dmp

Filesize
4KB

Download
memory/3584-2-0x0000000005A20000-0x0000000005FC4000-memory.dmp

Filesize
5.6MB

Download
memory/3584-10-0x00000000748F0000-0x00000000750A0000-memory.dmp

Filesize
7.7MB

Download
memory/3584-9-0x00000000748FE000-0x00000000748FF000-memory.dmp

Filesize
4KB

Download
memory/3660-64-0x0000000000EA0000-0x0000000000EFA000-memory.dmp

Filesize
360KB

Download
memory/3660-78-0x0000000000C30000-0x0000000000C5F000-memory.dmp

Filesize
188KB

Download
memory/3660-66-0x0000000000EA0000-0x0000000000EFA000-memory.dmp

Filesize
360KB

Download