formbook | 90eb875442a3173e54855155d12d4017bdca808160ed138552615ff0c0160e1a

Analysis

max time kernel
150s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 11:31

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General

Target

ypBNBVznebkl.exe
Size

590KB
MD5

ca8fd7f239f0b32c15261766b4134de0
SHA1

7902a3d808b13b7bbb16cf6a711b5c12abf735b2
SHA256

17299141dd71b72d2aa0250a478b4d3295ecd09b575232463ecf592cadda19b5
SHA512

0982ccce0d0dadf9573f15db9fa861695eacfd9b05741fe3698f2ecf4c46d9133545228718f631bd6d2c2a3025199ccda08cf28b33a047b2ad34e9220c2d71c1
SSDEEP

12288:/qY0mthJLGhLbg4B+ePduGIERcwr+t96CHwNnLu/2J:S4hJLGdg3GZNGt96CQlLjJ

Score

10^/10

formbook g2m3 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

g2m3

Decoy

stocktonfingerprinting.com

metaaiqr.com

junicy.com

libertymutualgrou.com

jklhs7gl.xyz

alex-covalcova.space

socialfiguild.com

drnicholasreid.com

androidappprogrammierie.com

relatingtohumans.com

jitsystems.com

gbwpmz.com

lesaventuresdecocomango.com

wu8ggqdv077p.xyz

autnvg.com

wghakt016.xyz

lagosian.store

hilldoor.com

oculos-ajustavel-br.xyz

nameniboothac.com

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/2812-22-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2812-30-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2812-77-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2384-80-0x0000000000E30000-0x0000000000E5F000-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
3600	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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	ypBNBVznebkl.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3164 set thread context of 2812	3164	ypBNBVznebkl.exe	103
PID 2812 set thread context of 3472	2812	RegSvcs.exe	56
PID 2812 set thread context of 3472	2812	RegSvcs.exe	56
PID 2384 set thread context of 3472	2384	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 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ypBNBVznebkl.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
1372	schtasks.exe

Suspicious behavior: EnumeratesProcesses 50 IoCs

pid	Process
3164	ypBNBVznebkl.exe
3164	ypBNBVznebkl.exe
3600	powershell.exe
2812	RegSvcs.exe
2812	RegSvcs.exe
2812	RegSvcs.exe
2812	RegSvcs.exe
3600	powershell.exe
2812	RegSvcs.exe
2812	RegSvcs.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe
2384	cmd.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2812	RegSvcs.exe
2812	RegSvcs.exe
2812	RegSvcs.exe
2812	RegSvcs.exe
2384	cmd.exe
2384	cmd.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3164	ypBNBVznebkl.exe
Token: SeDebugPrivilege	3600	powershell.exe
Token: SeDebugPrivilege	2812	RegSvcs.exe
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeDebugPrivilege	2384	cmd.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3164 wrote to memory of 3600	3164	ypBNBVznebkl.exe	99
PID 3164 wrote to memory of 3600	3164	ypBNBVznebkl.exe	99
PID 3164 wrote to memory of 3600	3164	ypBNBVznebkl.exe	99
PID 3164 wrote to memory of 1372	3164	ypBNBVznebkl.exe	101
PID 3164 wrote to memory of 1372	3164	ypBNBVznebkl.exe	101
PID 3164 wrote to memory of 1372	3164	ypBNBVznebkl.exe	101
PID 3164 wrote to memory of 2812	3164	ypBNBVznebkl.exe	103
PID 3164 wrote to memory of 2812	3164	ypBNBVznebkl.exe	103
PID 3164 wrote to memory of 2812	3164	ypBNBVznebkl.exe	103
PID 3164 wrote to memory of 2812	3164	ypBNBVznebkl.exe	103
PID 3164 wrote to memory of 2812	3164	ypBNBVznebkl.exe	103
PID 3164 wrote to memory of 2812	3164	ypBNBVznebkl.exe	103
PID 2812 wrote to memory of 2384	2812	RegSvcs.exe	108
PID 2812 wrote to memory of 2384	2812	RegSvcs.exe	108
PID 2812 wrote to memory of 2384	2812	RegSvcs.exe	108
PID 2384 wrote to memory of 4744	2384	cmd.exe	109
PID 2384 wrote to memory of 4744	2384	cmd.exe	109
PID 2384 wrote to memory of 4744	2384	cmd.exe	109

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3472
- C:\Users\Admin\AppData\Local\Temp\ypBNBVznebkl.exe
  "C:\Users\Admin\AppData\Local\Temp\ypBNBVznebkl.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:3164
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ypBNBVznebkl.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3600
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ypBNBVznebkl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2054.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1372
- - 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:2812
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:3568
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:1964
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:2140
  - - C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      4⤵
      PID:1448
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.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:2384
    - - 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:4744

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_a5prrcd2.plb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2054.tmp

Filesize
1KB

MD5
9e3189d3b071f301f84847778f207bce

SHA1
fce84dec25d370a0f1348ec182f8ffe8d4cf9525

SHA256
0586737940f5ec491831742683918fbb1ab7c064a2aa246dcacc7902dd13b5ce

SHA512
ea2b3bc6de07c2ced7be6f63235beea63bbd0de2fdaa085fa53a090b69dc6ce5f528bfca2e042fd866aa940caa7daf7829289d21a34ed6d1dcaf3f95a302dea1

Download Submit
memory/2384-80-0x0000000000E30000-0x0000000000E5F000-memory.dmp

Filesize
188KB

Download
memory/2384-79-0x0000000000E60000-0x0000000000EBA000-memory.dmp

Filesize
360KB

Download
memory/2384-78-0x0000000000E60000-0x0000000000EBA000-memory.dmp

Filesize
360KB

Download
memory/2812-28-0x0000000001340000-0x000000000168A000-memory.dmp

Filesize
3.3MB

Download
memory/2812-30-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2812-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2812-77-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2812-31-0x00000000017D0000-0x00000000017E4000-memory.dmp

Filesize
80KB

Download
memory/3164-6-0x000000007461E000-0x000000007461F000-memory.dmp

Filesize
4KB

Download
memory/3164-4-0x0000000005120000-0x000000000512C000-memory.dmp

Filesize
48KB

Download
memory/3164-10-0x00000000061F0000-0x0000000006794000-memory.dmp

Filesize
5.6MB

Download
memory/3164-9-0x0000000005BE0000-0x0000000005C46000-memory.dmp

Filesize
408KB

Download
memory/3164-8-0x0000000005750000-0x00000000057EC000-memory.dmp

Filesize
624KB

Download
memory/3164-7-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3164-5-0x0000000005410000-0x00000000054A2000-memory.dmp

Filesize
584KB

Download
memory/3164-1-0x0000000000750000-0x00000000007EC000-memory.dmp

Filesize
624KB

Download
memory/3164-24-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3164-3-0x00000000051C0000-0x0000000005200000-memory.dmp

Filesize
256KB

Download
memory/3164-2-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3164-0-0x000000007461E000-0x000000007461F000-memory.dmp

Filesize
4KB

Download
memory/3472-32-0x0000000002E70000-0x0000000002F50000-memory.dmp

Filesize
896KB

Download
memory/3472-84-0x0000000008150000-0x00000000082A5000-memory.dmp

Filesize
1.3MB

Download
memory/3600-42-0x0000000006240000-0x0000000006594000-memory.dmp

Filesize
3.3MB

Download
memory/3600-63-0x0000000007B90000-0x0000000007BAA000-memory.dmp

Filesize
104KB

Download
memory/3600-26-0x00000000060E0000-0x0000000006146000-memory.dmp

Filesize
408KB

Download
memory/3600-25-0x00000000058B0000-0x00000000058D2000-memory.dmp

Filesize
136KB

Download
memory/3600-43-0x0000000006860000-0x000000000687E000-memory.dmp

Filesize
120KB

Download
memory/3600-44-0x00000000068B0000-0x00000000068FC000-memory.dmp

Filesize
304KB

Download
memory/3600-45-0x000000007F420000-0x000000007F430000-memory.dmp

Filesize
64KB

Download
memory/3600-46-0x0000000006E20000-0x0000000006E52000-memory.dmp

Filesize
200KB

Download
memory/3600-47-0x0000000070560000-0x00000000705AC000-memory.dmp

Filesize
304KB

Download
memory/3600-57-0x0000000006E60000-0x0000000006E7E000-memory.dmp

Filesize
120KB

Download
memory/3600-61-0x0000000007AB0000-0x0000000007B53000-memory.dmp

Filesize
652KB

Download
memory/3600-60-0x0000000002F50000-0x0000000002F60000-memory.dmp

Filesize
64KB

Download
memory/3600-59-0x0000000002F50000-0x0000000002F60000-memory.dmp

Filesize
64KB

Download
memory/3600-58-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3600-62-0x00000000081E0000-0x000000000885A000-memory.dmp

Filesize
6.5MB

Download
memory/3600-27-0x0000000006150000-0x00000000061B6000-memory.dmp

Filesize
408KB

Download
memory/3600-64-0x0000000007C00000-0x0000000007C0A000-memory.dmp

Filesize
40KB

Download
memory/3600-65-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3600-66-0x0000000007E10000-0x0000000007EA6000-memory.dmp

Filesize
600KB

Download
memory/3600-67-0x0000000007D90000-0x0000000007DA1000-memory.dmp

Filesize
68KB

Download
memory/3600-68-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3600-69-0x0000000007DC0000-0x0000000007DCE000-memory.dmp

Filesize
56KB

Download
memory/3600-70-0x0000000007DD0000-0x0000000007DE4000-memory.dmp

Filesize
80KB

Download
memory/3600-71-0x0000000007ED0000-0x0000000007EEA000-memory.dmp

Filesize
104KB

Download
memory/3600-72-0x0000000007EB0000-0x0000000007EB8000-memory.dmp

Filesize
32KB

Download
memory/3600-76-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3600-20-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3600-18-0x0000000005940000-0x0000000005F68000-memory.dmp

Filesize
6.2MB

Download
memory/3600-19-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3600-16-0x0000000074610000-0x0000000074DC0000-memory.dmp

Filesize
7.7MB

Download
memory/3600-15-0x00000000052D0000-0x0000000005306000-memory.dmp

Filesize
216KB

Download