formbook | f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6

Analysis

max time kernel
146s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-12-2024 03:32

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General

Target

f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe
Size

584KB
MD5

45209596ce41c4359e9006a940042763
SHA1

8559b5a187ee146a869301e5c0fb23a5c4510772
SHA256

f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6
SHA512

16828ed08e983b6fc1fce972ccfcea10dd0dccbf67602557b7071802d0f01e4754a63284ea05a9798cf7c8784d663ddc9d51fd601fe6f7b4407714b6bc3b1c39
SSDEEP

12288:VndZauZt06GQyWgYOsmLzFcWMphB2/VawLTl761wXK7WqpyK:5dZauZtP1VOsmLJcWMphQrHg870yK

Score

10^/10

formbook gy15 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gy15

Decoy

hairsdeals.today

acob-saaad.buzz

9955.club

gild6222.vip

nline-shopping-56055.bond

lmadulles.top

utemodels.info

ighdd4675.online

nqqkk146.xyz

avasales.online

ortas-de-madeira.today

haad.xyz

races-dental-splints-15439.bond

hilohcreekpemf.online

rrivalgetaways.info

orktoday-2507-02-sap.click

eceriyayinlari.xyz

lsurfer.click

aston-saaae.buzz

etrot.pro

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

Processes:

resource	yara_rule
behavioral1/memory/2968-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2968-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2592-25-0x0000000000090000-0x00000000000BF000-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

Processes:

powershell.exe

pid	Process
1660	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exeRegSvcs.execmstp.exe

description	pid	Process	procid_target
PID 2092 set thread context of 2968	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	36
PID 2968 set thread context of 1208	2968	RegSvcs.exe	21
PID 2968 set thread context of 1208	2968	RegSvcs.exe	21
PID 2592 set thread context of 1208	2592	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 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

Processes:

f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exepowershell.exeschtasks.execmstp.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.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	cmstp.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

Processes:

schtasks.exe

pid	Process
2700	schtasks.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exeRegSvcs.exepowershell.execmstp.exe

pid	Process
2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe
2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe
2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe
2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe
2968	RegSvcs.exe
2968	RegSvcs.exe
1660	powershell.exe
2968	RegSvcs.exe
2592	cmstp.exe
2592	cmstp.exe
2592	cmstp.exe
2592	cmstp.exe
2592	cmstp.exe
2592	cmstp.exe
2592	cmstp.exe
2592	cmstp.exe
2592	cmstp.exe
2592	cmstp.exe
2592	cmstp.exe
2592	cmstp.exe
2592	cmstp.exe
2592	cmstp.exe
2592	cmstp.exe
2592	cmstp.exe
2592	cmstp.exe
2592	cmstp.exe
2592	cmstp.exe
2592	cmstp.exe
2592	cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

RegSvcs.execmstp.exe

pid	Process
2968	RegSvcs.exe
2968	RegSvcs.exe
2968	RegSvcs.exe
2968	RegSvcs.exe
2592	cmstp.exe
2592	cmstp.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exeRegSvcs.exepowershell.execmstp.exe

description	pid	Process
Token: SeDebugPrivilege	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe
Token: SeDebugPrivilege	2968	RegSvcs.exe
Token: SeDebugPrivilege	1660	powershell.exe
Token: SeDebugPrivilege	2592	cmstp.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exeExplorer.EXEcmstp.exe

description	pid	Process	procid_target
PID 2092 wrote to memory of 1660	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	31
PID 2092 wrote to memory of 1660	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	31
PID 2092 wrote to memory of 1660	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	31
PID 2092 wrote to memory of 1660	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	31
PID 2092 wrote to memory of 2700	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	33
PID 2092 wrote to memory of 2700	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	33
PID 2092 wrote to memory of 2700	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	33
PID 2092 wrote to memory of 2700	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	33
PID 2092 wrote to memory of 2716	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	35
PID 2092 wrote to memory of 2716	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	35
PID 2092 wrote to memory of 2716	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	35
PID 2092 wrote to memory of 2716	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	35
PID 2092 wrote to memory of 2716	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	35
PID 2092 wrote to memory of 2716	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	35
PID 2092 wrote to memory of 2716	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	35
PID 2092 wrote to memory of 2968	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	36
PID 2092 wrote to memory of 2968	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	36
PID 2092 wrote to memory of 2968	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	36
PID 2092 wrote to memory of 2968	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	36
PID 2092 wrote to memory of 2968	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	36
PID 2092 wrote to memory of 2968	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	36
PID 2092 wrote to memory of 2968	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	36
PID 2092 wrote to memory of 2968	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	36
PID 2092 wrote to memory of 2968	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	36
PID 2092 wrote to memory of 2968	2092	f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe	36
PID 1208 wrote to memory of 2592	1208	Explorer.EXE	37
PID 1208 wrote to memory of 2592	1208	Explorer.EXE	37
PID 1208 wrote to memory of 2592	1208	Explorer.EXE	37
PID 1208 wrote to memory of 2592	1208	Explorer.EXE	37
PID 1208 wrote to memory of 2592	1208	Explorer.EXE	37
PID 1208 wrote to memory of 2592	1208	Explorer.EXE	37
PID 1208 wrote to memory of 2592	1208	Explorer.EXE	37
PID 2592 wrote to memory of 3048	2592	cmstp.exe	38
PID 2592 wrote to memory of 3048	2592	cmstp.exe	38
PID 2592 wrote to memory of 3048	2592	cmstp.exe	38
PID 2592 wrote to memory of 3048	2592	cmstp.exe	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Users\Admin\AppData\Local\Temp\f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe
  "C:\Users\Admin\AppData\Local\Temp\f228af74ecf7302bb5e8d9ce8060a9aa3fc2bd583bd477e23543452cf1cebad6.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2092
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OEcHGGP.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1660
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OEcHGGP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3D3F.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2700
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    PID:2716
- - 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:2968
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:2592
- - 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:3048

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3D3F.tmp

Filesize
1KB

MD5
8ac9d0800a9c8a673260278719aaaf74

SHA1
3061a6fa5a1d29621e069b5b388fb98cca1417aa

SHA256
5561bbf74b8fb38d602f161de099c28d09fd9560c94fa346963b5ac91e903a8d

SHA512
ac0db86e799d8e726891bc758fc0c05346c6a08c07811e50538847d241868b99054438d5d49f2daa42ad6808aade16e2d72770e9144728ccb05b7c5892bfb1c7

Download Submit
memory/1208-22-0x0000000003BD0000-0x0000000003CD0000-memory.dmp

Filesize
1024KB

Download
memory/2092-4-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2092-1-0x0000000000260000-0x00000000002F8000-memory.dmp

Filesize
608KB

Download
memory/2092-0-0x00000000742AE000-0x00000000742AF000-memory.dmp

Filesize
4KB

Download
memory/2092-5-0x00000000003C0000-0x00000000003D2000-memory.dmp

Filesize
72KB

Download
memory/2092-6-0x0000000005BB0000-0x0000000005C26000-memory.dmp

Filesize
472KB

Download
memory/2092-2-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2092-21-0x00000000742A0000-0x000000007498E000-memory.dmp

Filesize
6.9MB

Download
memory/2092-3-0x00000000742AE000-0x00000000742AF000-memory.dmp

Filesize
4KB

Download
memory/2592-24-0x0000000000E30000-0x0000000000E48000-memory.dmp

Filesize
96KB

Download
memory/2592-25-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/2968-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2968-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2968-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2968-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2968-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download