formbook | 19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
30-01-2025 19:36

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General

Target

paymentinfo.exe
Size

675KB
MD5

d3a2936e355fc5b62c309d80aa65e9b4
SHA1

d7bafe72a3a8a9e06901155cdbf020d98f2535d7
SHA256

19c20b84bd28cc534ea649747488dff45cb53539aaedc936ee2854f93cd6e368
SHA512

01946f702c5af9696444a4c5d1db50390a53b2c0d849acb15c6079db32c3d7834492b357554d0daaab233c7e5024e452ecf6262bd23015558c0fc55abd81f116
SSDEEP

12288:BXcTTpuOZhzNA50jBIiIe/S+wi+2n7nw17jIBd5a:BcEsdmGI7eK+5+2nmjI4

Score

10^/10

formbook a01d discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a01d

Decoy

eniorshousing05.shop

rywisevas.biz

4726.pizza

itchen-design-42093.bond

3456.tech

4825.plus

nlinecraps.xyz

itamins-52836.bond

nfluencer-marketing-40442.bond

nline-advertising-58573.bond

rautogroups.net

limbtrip.net

oftware-download-14501.bond

nline-advertising-66733.bond

erity.xyz

xknrksi.icu

x-ist.club

yber-security-26409.bond

oincatch.xyz

onitoring-devices-34077.bond

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2740-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2756-28-0x00000000000C0000-0x00000000000EF000-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
2524	powershell.exe
2804	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1204 set thread context of 2740	1204	paymentinfo.exe	37
PID 2740 set thread context of 1212	2740	RegSvcs.exe	21
PID 2756 set thread context of 1212	2756	ipconfig.exe	21

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	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	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	paymentinfo.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2756	ipconfig.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
2824	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
1204	paymentinfo.exe
2524	powershell.exe
2804	powershell.exe
1204	paymentinfo.exe
2740	RegSvcs.exe
2740	RegSvcs.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe
2756	ipconfig.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2740	RegSvcs.exe
2740	RegSvcs.exe
2740	RegSvcs.exe
2756	ipconfig.exe
2756	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1204	paymentinfo.exe
Token: SeDebugPrivilege	2524	powershell.exe
Token: SeDebugPrivilege	2804	powershell.exe
Token: SeDebugPrivilege	2740	RegSvcs.exe
Token: SeDebugPrivilege	2756	ipconfig.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1204	paymentinfo.exe
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1204	paymentinfo.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1204 wrote to memory of 2524	1204	paymentinfo.exe	31
PID 1204 wrote to memory of 2524	1204	paymentinfo.exe	31
PID 1204 wrote to memory of 2524	1204	paymentinfo.exe	31
PID 1204 wrote to memory of 2524	1204	paymentinfo.exe	31
PID 1204 wrote to memory of 2804	1204	paymentinfo.exe	33
PID 1204 wrote to memory of 2804	1204	paymentinfo.exe	33
PID 1204 wrote to memory of 2804	1204	paymentinfo.exe	33
PID 1204 wrote to memory of 2804	1204	paymentinfo.exe	33
PID 1204 wrote to memory of 2824	1204	paymentinfo.exe	34
PID 1204 wrote to memory of 2824	1204	paymentinfo.exe	34
PID 1204 wrote to memory of 2824	1204	paymentinfo.exe	34
PID 1204 wrote to memory of 2824	1204	paymentinfo.exe	34
PID 1204 wrote to memory of 2740	1204	paymentinfo.exe	37
PID 1204 wrote to memory of 2740	1204	paymentinfo.exe	37
PID 1204 wrote to memory of 2740	1204	paymentinfo.exe	37
PID 1204 wrote to memory of 2740	1204	paymentinfo.exe	37
PID 1204 wrote to memory of 2740	1204	paymentinfo.exe	37
PID 1204 wrote to memory of 2740	1204	paymentinfo.exe	37
PID 1204 wrote to memory of 2740	1204	paymentinfo.exe	37
PID 1204 wrote to memory of 2740	1204	paymentinfo.exe	37
PID 1204 wrote to memory of 2740	1204	paymentinfo.exe	37
PID 1204 wrote to memory of 2740	1204	paymentinfo.exe	37
PID 1212 wrote to memory of 2756	1212	Explorer.EXE	38
PID 1212 wrote to memory of 2756	1212	Explorer.EXE	38
PID 1212 wrote to memory of 2756	1212	Explorer.EXE	38
PID 1212 wrote to memory of 2756	1212	Explorer.EXE	38
PID 2756 wrote to memory of 2744	2756	ipconfig.exe	39
PID 2756 wrote to memory of 2744	2756	ipconfig.exe	39
PID 2756 wrote to memory of 2744	2756	ipconfig.exe	39
PID 2756 wrote to memory of 2744	2756	ipconfig.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Users\Admin\AppData\Local\Temp\paymentinfo.exe
  "C:\Users\Admin\AppData\Local\Temp\paymentinfo.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1204
- - 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\paymentinfo.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2524
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rBchflGYc.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2804
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rBchflGYc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB76.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2824
- - 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:2740
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2756
- - 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:2744

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

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\tmpB76.tmp

Filesize
1KB

MD5
959a9edb14b316f46f0134f49539b33e

SHA1
6b56c32158a83b1ee38ec6a0fe1a1340f4a57475

SHA256
9c34ae64e9098b4d3a9c28d9697886fa595ad68253e321f2274a51f819b8f9bb

SHA512
cd058e8e37cffe15653f422a6eb7ae276940ec7b2b74806133153dbd946dca6ac2439418167e97b0779a27f7fe08ad6aea3fa79a5ef222380192e9b93959e150

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
fb128dfc27bc3787f44263d38e34fb6a

SHA1
61246a801aae6c580dbb83d2a8b3574ace1172d2

SHA256
ef8c22d3ef1eebc79e478978e87152eba24d2e64b8208415c796bfa6d02d2a95

SHA512
b335e339f7e74b5d71300d3ff3ca2bf31ea7a1df27d449807c6387af4a8183e45eec2e0c28e2bb8d1cbe2aa571db75ded77c014cd41a69233439be1fa192cb0e

Download Submit
memory/1204-4-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

Filesize
4KB

Download
memory/1204-25-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/1204-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

Filesize
4KB

Download
memory/1204-5-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/1204-6-0x0000000000580000-0x00000000005FA000-memory.dmp

Filesize
488KB

Download
memory/1204-2-0x0000000074B00000-0x00000000751EE000-memory.dmp

Filesize
6.9MB

Download
memory/1204-1-0x0000000000840000-0x00000000008EE000-memory.dmp

Filesize
696KB

Download
memory/1204-3-0x0000000000460000-0x000000000047E000-memory.dmp

Filesize
120KB

Download
memory/1212-33-0x00000000053E0000-0x00000000054F6000-memory.dmp

Filesize
1.1MB

Download
memory/2740-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2740-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2740-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2740-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2756-27-0x00000000002A0000-0x00000000002AA000-memory.dmp

Filesize
40KB

Download
memory/2756-28-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download