formbook | 4771d8111d90add383fdb0d0ec8495993fe143b7d5db63104f1d64d82ebf4bd4

Analysis

max time kernel
148s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-12-2024 16:25

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General

Target

ORDEN DE COMPRA.exe
Size

646KB
MD5

70bde9fa5edadae3f5297aa0f16400db
SHA1

2c940e38e28a1b8b4463ba0aec7f43fc0f9f99ac
SHA256

e4c12ae8b0d5cbc65ece0631c799e6c4129bef10796d6f559865080c2c6684cc
SHA512

550eb811029da589d7e567eb138df698fb9b35296dce5c40dfb826875418482b309dfbc6c70fcaef5a465011905ac3b9f8290f965c45ae2397068a0878a0c4c2
SSDEEP

12288:mES23pYuJ9bj2vB68pMOCtcZN7Kz9yPOp7hbjA48D+QmL5iBKOr:3evBDKOCtgBAy8ggiB

Score

10^/10

formbook gs25 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gs25

Decoy

real-food.store

marketdatalibrary.com

jolidens.space

ydental.info

tattoosbyjayinked.com

buytradesellpei.com

61983.xyz

identitysolver.xyz

mgfang.com

teizer.one

staychillax.com

ylanzarote.com

workte.net

maukigato.shop

coolbag.site

btya1r.com

dkhaohao.shop

zugaro.xyz

boon168.com

xn--80aeegahlwtdkp.com

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
behavioral1/memory/1048-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1048-26-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1656-28-0x0000000000090000-0x00000000000BF000-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
2432	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2696 set thread context of 1048	2696	ORDEN DE COMPRA.exe	34
PID 1048 set thread context of 1164	1048	RegSvcs.exe	21
PID 1048 set thread context of 1164	1048	RegSvcs.exe	21
PID 1656 set thread context of 1164	1656	cmstp.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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ORDEN DE COMPRA.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
1952	schtasks.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
2696	ORDEN DE COMPRA.exe
2696	ORDEN DE COMPRA.exe
1048	RegSvcs.exe
1048	RegSvcs.exe
2432	powershell.exe
1048	RegSvcs.exe
1656	cmstp.exe
1656	cmstp.exe
1656	cmstp.exe
1656	cmstp.exe
1656	cmstp.exe
1656	cmstp.exe
1656	cmstp.exe
1656	cmstp.exe
1656	cmstp.exe
1656	cmstp.exe
1656	cmstp.exe
1656	cmstp.exe
1656	cmstp.exe
1656	cmstp.exe
1656	cmstp.exe
1656	cmstp.exe
1656	cmstp.exe
1656	cmstp.exe
1656	cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1048	RegSvcs.exe
1048	RegSvcs.exe
1048	RegSvcs.exe
1048	RegSvcs.exe
1656	cmstp.exe
1656	cmstp.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2696	ORDEN DE COMPRA.exe
Token: SeDebugPrivilege	1048	RegSvcs.exe
Token: SeDebugPrivilege	2432	powershell.exe
Token: SeDebugPrivilege	1656	cmstp.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 2432	2696	ORDEN DE COMPRA.exe	30
PID 2696 wrote to memory of 2432	2696	ORDEN DE COMPRA.exe	30
PID 2696 wrote to memory of 2432	2696	ORDEN DE COMPRA.exe	30
PID 2696 wrote to memory of 2432	2696	ORDEN DE COMPRA.exe	30
PID 2696 wrote to memory of 1952	2696	ORDEN DE COMPRA.exe	32
PID 2696 wrote to memory of 1952	2696	ORDEN DE COMPRA.exe	32
PID 2696 wrote to memory of 1952	2696	ORDEN DE COMPRA.exe	32
PID 2696 wrote to memory of 1952	2696	ORDEN DE COMPRA.exe	32
PID 2696 wrote to memory of 1048	2696	ORDEN DE COMPRA.exe	34
PID 2696 wrote to memory of 1048	2696	ORDEN DE COMPRA.exe	34
PID 2696 wrote to memory of 1048	2696	ORDEN DE COMPRA.exe	34
PID 2696 wrote to memory of 1048	2696	ORDEN DE COMPRA.exe	34
PID 2696 wrote to memory of 1048	2696	ORDEN DE COMPRA.exe	34
PID 2696 wrote to memory of 1048	2696	ORDEN DE COMPRA.exe	34
PID 2696 wrote to memory of 1048	2696	ORDEN DE COMPRA.exe	34
PID 2696 wrote to memory of 1048	2696	ORDEN DE COMPRA.exe	34
PID 2696 wrote to memory of 1048	2696	ORDEN DE COMPRA.exe	34
PID 2696 wrote to memory of 1048	2696	ORDEN DE COMPRA.exe	34
PID 1048 wrote to memory of 1656	1048	RegSvcs.exe	35
PID 1048 wrote to memory of 1656	1048	RegSvcs.exe	35
PID 1048 wrote to memory of 1656	1048	RegSvcs.exe	35
PID 1048 wrote to memory of 1656	1048	RegSvcs.exe	35
PID 1048 wrote to memory of 1656	1048	RegSvcs.exe	35
PID 1048 wrote to memory of 1656	1048	RegSvcs.exe	35
PID 1048 wrote to memory of 1656	1048	RegSvcs.exe	35
PID 1656 wrote to memory of 1648	1656	cmstp.exe	36
PID 1656 wrote to memory of 1648	1656	cmstp.exe	36
PID 1656 wrote to memory of 1648	1656	cmstp.exe	36
PID 1656 wrote to memory of 1648	1656	cmstp.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1164
- C:\Users\Admin\AppData\Local\Temp\ORDEN DE COMPRA.exe
  "C:\Users\Admin\AppData\Local\Temp\ORDEN DE COMPRA.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2696
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xxDBcSgHB.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2432
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xxDBcSgHB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9147.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1952
- - 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
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1048
  - - C:\Windows\SysWOW64\cmstp.exe
      "C:\Windows\SysWOW64\cmstp.exe"
      4⤵
      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:1656
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:1648

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\tmp9147.tmp

Filesize
1KB

MD5
d914fe8a6e5d740d45701fa43e809712

SHA1
abb967c6fc48262c72b234fe8f2909a833928d2c

SHA256
82d2dddca1141071a60bb926f3f2ba643116869f4088f1eb4b1f15e0d97061ca

SHA512
c12aff93c382c3e543c6549f9a4449f113607ea51b2792c6af1100e6a328bc48d8f4ebed1b581aaffbe0d5da4771ede2b10de95d8470546ba8224853aee3450d

Download Submit
memory/1048-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1048-26-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1048-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1048-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1048-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1164-29-0x0000000007D50000-0x0000000007EBD000-memory.dmp

Filesize
1.4MB

Download
memory/1164-25-0x0000000003DC0000-0x0000000003FC0000-memory.dmp

Filesize
2.0MB

Download
memory/1656-28-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/1656-27-0x0000000000E40000-0x0000000000E58000-memory.dmp

Filesize
96KB

Download
memory/2696-14-0x0000000005D80000-0x0000000005DB4000-memory.dmp

Filesize
208KB

Download
memory/2696-0-0x00000000744CE000-0x00000000744CF000-memory.dmp

Filesize
4KB

Download
memory/2696-8-0x0000000005180000-0x000000000520E000-memory.dmp

Filesize
568KB

Download
memory/2696-7-0x0000000000890000-0x000000000089C000-memory.dmp

Filesize
48KB

Download
memory/2696-6-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/2696-23-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/2696-5-0x00000000744CE000-0x00000000744CF000-memory.dmp

Filesize
4KB

Download
memory/2696-4-0x0000000000750000-0x0000000000768000-memory.dmp

Filesize
96KB

Download
memory/2696-3-0x00000000050B0000-0x000000000517C000-memory.dmp

Filesize
816KB

Download
memory/2696-2-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/2696-1-0x0000000000C10000-0x0000000000CB8000-memory.dmp

Filesize
672KB

Download