formbook | 78298d690a8b4d0455d184ca19de0a9f50466f1a88f0da979970230085df30fa

Analysis

max time kernel
96s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/08/2024, 01:13

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General

Target

09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe
Size

608KB
MD5

087a92aaf0a59bf4f54fafaae7b6a027
SHA1

a00135a4131ee743347f0ca3b3ac14427d008360
SHA256

09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef
SHA512

3647d3c39bf93e5d6b429392296e469218d855e41894545a91fd51a5dbae5830784506a4c224e106824131e312c47944cf07b23b594d6de5e0b5eabec5cf5d1f
SSDEEP

12288:VV8wtNDc2pZ/Mrr8ya2DG/ARyQg5f5Yk/Z3qOoUD6QA:fFcmZErIZ0zg59R3qNAl

Score

10^/10

formbook as89 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

as89

Decoy

followcb.site

salutemanagement.com

shishiganggang.com

vanthuhay.xyz

nujekos.info

duckylucknodepositbonus.icu

ilemuelgroup.com

healnap.com

rezekitoto41.com

magicians-amino.click

fqr4dh.club

00050153.xyz

touchless-scoreboard.com

journaganstruevalue.com

connectingconcepts.biz

winraja88.com

mezcantina.com

cosmosfashions.com

dltholdingsandinvestments.com

vonlineb.com

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/2876-10-0x0000000000400000-0x000000000042F000-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
4736	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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2232 set thread context of 2876	2232	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe	86

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 2 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	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2876	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe
2876	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe
4736	powershell.exe
4736	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4736	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 4736	2232	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe	84
PID 2232 wrote to memory of 4736	2232	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe	84
PID 2232 wrote to memory of 4736	2232	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe	84
PID 2232 wrote to memory of 2876	2232	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe	86
PID 2232 wrote to memory of 2876	2232	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe	86
PID 2232 wrote to memory of 2876	2232	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe	86
PID 2232 wrote to memory of 2876	2232	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe	86
PID 2232 wrote to memory of 2876	2232	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe	86
PID 2232 wrote to memory of 2876	2232	09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe	86

C:\Users\Admin\AppData\Local\Temp\09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe
"C:\Users\Admin\AppData\Local\Temp\09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2232
- 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\09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4736
- C:\Users\Admin\AppData\Local\Temp\09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe
  "C:\Users\Admin\AppData\Local\Temp\09f80e5b22639c198be1ef13793c7a0ade764ed89b20a0f09ab0830f3d77eaef.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

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_fo3fql0g.vnh.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2232-6-0x0000000005AC0000-0x0000000005AD0000-memory.dmp

Filesize
64KB

Download
memory/2232-2-0x0000000005B30000-0x00000000060D4000-memory.dmp

Filesize
5.6MB

Download
memory/2232-3-0x0000000005480000-0x0000000005512000-memory.dmp

Filesize
584KB

Download
memory/2232-4-0x0000000005470000-0x000000000547A000-memory.dmp

Filesize
40KB

Download
memory/2232-5-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/2232-1-0x00000000009E0000-0x0000000000A7E000-memory.dmp

Filesize
632KB

Download
memory/2232-7-0x0000000005AE0000-0x0000000005AEC000-memory.dmp

Filesize
48KB

Download
memory/2232-8-0x00000000066E0000-0x0000000006756000-memory.dmp

Filesize
472KB

Download
memory/2232-9-0x000000000C680000-0x000000000C71C000-memory.dmp

Filesize
624KB

Download
memory/2232-12-0x00000000749D0000-0x0000000075180000-memory.dmp

Filesize
7.7MB

Download
memory/2232-0-0x00000000749DE000-0x00000000749DF000-memory.dmp

Filesize
4KB

Download
memory/2876-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2876-13-0x0000000000F30000-0x000000000127A000-memory.dmp

Filesize
3.3MB

Download
memory/4736-27-0x0000000005ED0000-0x0000000006224000-memory.dmp

Filesize
3.3MB

Download
memory/4736-35-0x0000000070870000-0x00000000708BC000-memory.dmp

Filesize
304KB

Download
memory/4736-17-0x0000000005530000-0x0000000005552000-memory.dmp

Filesize
136KB

Download
memory/4736-25-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/4736-26-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/4736-15-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

Filesize
4KB

Download
memory/4736-14-0x0000000002BC0000-0x0000000002BF6000-memory.dmp

Filesize
216KB

Download
memory/4736-19-0x0000000005740000-0x00000000057A6000-memory.dmp

Filesize
408KB

Download
memory/4736-18-0x00000000056D0000-0x0000000005736000-memory.dmp

Filesize
408KB

Download
memory/4736-32-0x00000000064E0000-0x00000000064FE000-memory.dmp

Filesize
120KB

Download
memory/4736-33-0x0000000006570000-0x00000000065BC000-memory.dmp

Filesize
304KB

Download
memory/4736-34-0x0000000006A90000-0x0000000006AC2000-memory.dmp

Filesize
200KB

Download
memory/4736-36-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/4736-16-0x0000000005860000-0x0000000005E88000-memory.dmp

Filesize
6.2MB

Download
memory/4736-47-0x00000000074F0000-0x0000000007593000-memory.dmp

Filesize
652KB

Download
memory/4736-48-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/4736-46-0x00000000074D0000-0x00000000074EE000-memory.dmp

Filesize
120KB

Download
memory/4736-49-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download
memory/4736-50-0x0000000007E70000-0x00000000084EA000-memory.dmp

Filesize
6.5MB

Download
memory/4736-51-0x0000000007830000-0x000000000784A000-memory.dmp

Filesize
104KB

Download
memory/4736-52-0x00000000078A0000-0x00000000078AA000-memory.dmp

Filesize
40KB

Download
memory/4736-53-0x0000000007AB0000-0x0000000007B46000-memory.dmp

Filesize
600KB

Download
memory/4736-54-0x0000000007A30000-0x0000000007A41000-memory.dmp

Filesize
68KB

Download
memory/4736-55-0x0000000007A60000-0x0000000007A6E000-memory.dmp

Filesize
56KB

Download
memory/4736-56-0x0000000007A70000-0x0000000007A84000-memory.dmp

Filesize
80KB

Download
memory/4736-57-0x0000000007B70000-0x0000000007B8A000-memory.dmp

Filesize
104KB

Download
memory/4736-58-0x0000000007B50000-0x0000000007B58000-memory.dmp

Filesize
32KB

Download
memory/4736-60-0x0000000074A50000-0x0000000075200000-memory.dmp

Filesize
7.7MB

Download