formbook | 1625bc28c0c1fd3e4375430f222944d92c2b31b2543b5c8703dc5463cd68d1e3

Analysis

max time kernel
146s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13-09-2024 09:55

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General

Target

ASA S27.exe
Size

692KB
MD5

c3c19eded0a05cdc8b8740d97ebfdccf
SHA1

506138ac626ce46c5ada87bf83d703270fe329d9
SHA256

1625bc28c0c1fd3e4375430f222944d92c2b31b2543b5c8703dc5463cd68d1e3
SHA512

d075626bbad97c960dc892164dee8110d5897203dfeeeed1314e0c3d0aa2e71b0a4cc18bad6d493054a2263a1d83c2e4c4f154d7556f0ff162185d6fccd96aa4
SSDEEP

12288:xYV2o24S0WnqLtlbylU47swoC7Xl9wfWOVoiAaUnnLODW15R:22HL0xLqoNC7sjpPULSgR

Score

10^/10

formbook h209 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

h209

Decoy

sbtstuff.site

omlyes.com

movershifting.com

gearballer.com

oketoto.pro

myringleader.com

lrcjc750s.xyz

ata2024.xyz

password-manager-89409.bond

aiassistanthub.net

changvolt.cfd

netino.site

wear-wale.com

omnipresenceagency.com

huangguan.ooo

propersonnelmedia.com

9332952.com

k3s.support

ciytrw.xyz

cb095.pro

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/456-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/456-25-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3752-77-0x0000000000910000-0x000000000093F000-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
3544	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-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	ASA S27.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2872 set thread context of 456	2872	ASA S27.exe	97
PID 456 set thread context of 3472	456	ASA S27.exe	56
PID 3752 set thread context of 3472	3752	msiexec.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 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ASA S27.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	msiexec.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

pid	Process
2464	schtasks.exe

Suspicious behavior: EnumeratesProcesses 58 IoCs

pid	Process
456	ASA S27.exe
456	ASA S27.exe
456	ASA S27.exe
456	ASA S27.exe
3544	powershell.exe
3544	powershell.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe
3752	msiexec.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
456	ASA S27.exe
456	ASA S27.exe
456	ASA S27.exe
3752	msiexec.exe
3752	msiexec.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	456	ASA S27.exe
Token: SeDebugPrivilege	3544	powershell.exe
Token: SeDebugPrivilege	3752	msiexec.exe
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3472	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 3544	2872	ASA S27.exe	93
PID 2872 wrote to memory of 3544	2872	ASA S27.exe	93
PID 2872 wrote to memory of 3544	2872	ASA S27.exe	93
PID 2872 wrote to memory of 2464	2872	ASA S27.exe	95
PID 2872 wrote to memory of 2464	2872	ASA S27.exe	95
PID 2872 wrote to memory of 2464	2872	ASA S27.exe	95
PID 2872 wrote to memory of 456	2872	ASA S27.exe	97
PID 2872 wrote to memory of 456	2872	ASA S27.exe	97
PID 2872 wrote to memory of 456	2872	ASA S27.exe	97
PID 2872 wrote to memory of 456	2872	ASA S27.exe	97
PID 2872 wrote to memory of 456	2872	ASA S27.exe	97
PID 2872 wrote to memory of 456	2872	ASA S27.exe	97
PID 3472 wrote to memory of 3752	3472	Explorer.EXE	98
PID 3472 wrote to memory of 3752	3472	Explorer.EXE	98
PID 3472 wrote to memory of 3752	3472	Explorer.EXE	98
PID 3752 wrote to memory of 1200	3752	msiexec.exe	99
PID 3752 wrote to memory of 1200	3752	msiexec.exe	99
PID 3752 wrote to memory of 1200	3752	msiexec.exe	99

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Users\Admin\AppData\Local\Temp\ASA S27.exe
  "C:\Users\Admin\AppData\Local\Temp\ASA S27.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2872
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qiBWfumYjtSah.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3544
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qiBWfumYjtSah" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCCB6.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2464
- - C:\Users\Admin\AppData\Local\Temp\ASA S27.exe
    "C:\Users\Admin\AppData\Local\Temp\ASA S27.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:456
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.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:3752
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\ASA S27.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1200

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_1lgzsa32.say.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCCB6.tmp

Filesize
1KB

MD5
7f716d62d2b6c9352ea128fa7a0df993

SHA1
c0bb9bccd48319f2a95741d721f2c5d4f99a852e

SHA256
b85d9726655235df0e8aba3b573a4be87d1c54cf814eba6b38c7622c02f5ba44

SHA512
b6a497bd973fdc7ee9e70c4593f6478cdbff6bbe3e495f814f18209e13d2aa937b3d8e9e81ce4052c8f77a3f125b233eaafa8a49fcec08d72542ebf8aff7f068

Download Submit
memory/456-23-0x0000000001890000-0x0000000001BDA000-memory.dmp

Filesize
3.3MB

Download
memory/456-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/456-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/456-26-0x0000000001850000-0x0000000001865000-memory.dmp

Filesize
84KB

Download
memory/2872-4-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/2872-0-0x00000000746BE000-0x00000000746BF000-memory.dmp

Filesize
4KB

Download
memory/2872-8-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/2872-9-0x00000000068E0000-0x0000000006956000-memory.dmp

Filesize
472KB

Download
memory/2872-10-0x0000000009410000-0x00000000094AC000-memory.dmp

Filesize
624KB

Download
memory/2872-28-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/2872-6-0x0000000006E10000-0x0000000006E20000-memory.dmp

Filesize
64KB

Download
memory/2872-1-0x0000000000B40000-0x0000000000BF2000-memory.dmp

Filesize
712KB

Download
memory/2872-5-0x0000000005560000-0x000000000556A000-memory.dmp

Filesize
40KB

Download
memory/2872-3-0x00000000054B0000-0x0000000005542000-memory.dmp

Filesize
584KB

Download
memory/2872-7-0x00000000746BE000-0x00000000746BF000-memory.dmp

Filesize
4KB

Download
memory/2872-2-0x0000000005A60000-0x0000000006004000-memory.dmp

Filesize
5.6MB

Download
memory/3472-78-0x0000000008040000-0x0000000008158000-memory.dmp

Filesize
1.1MB

Download
memory/3472-82-0x0000000008590000-0x0000000008632000-memory.dmp

Filesize
648KB

Download
memory/3472-27-0x0000000008040000-0x0000000008158000-memory.dmp

Filesize
1.1MB

Download
memory/3544-36-0x0000000005CB0000-0x0000000005D16000-memory.dmp

Filesize
408KB

Download
memory/3544-61-0x0000000007D50000-0x00000000083CA000-memory.dmp

Filesize
6.5MB

Download
memory/3544-34-0x0000000005420000-0x0000000005442000-memory.dmp

Filesize
136KB

Download
memory/3544-35-0x00000000054C0000-0x0000000005526000-memory.dmp

Filesize
408KB

Download
memory/3544-18-0x0000000005590000-0x0000000005BB8000-memory.dmp

Filesize
6.2MB

Download
memory/3544-19-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/3544-41-0x0000000005F20000-0x0000000006274000-memory.dmp

Filesize
3.3MB

Download
memory/3544-42-0x00000000063C0000-0x00000000063DE000-memory.dmp

Filesize
120KB

Download
memory/3544-43-0x0000000006470000-0x00000000064BC000-memory.dmp

Filesize
304KB

Download
memory/3544-44-0x000000007F7A0000-0x000000007F7B0000-memory.dmp

Filesize
64KB

Download
memory/3544-46-0x0000000070F70000-0x0000000070FBC000-memory.dmp

Filesize
304KB

Download
memory/3544-45-0x00000000073B0000-0x00000000073E2000-memory.dmp

Filesize
200KB

Download
memory/3544-59-0x0000000007370000-0x000000000738E000-memory.dmp

Filesize
120KB

Download
memory/3544-58-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/3544-57-0x0000000002BB0000-0x0000000002BC0000-memory.dmp

Filesize
64KB

Download
memory/3544-56-0x0000000002BB0000-0x0000000002BC0000-memory.dmp

Filesize
64KB

Download
memory/3544-60-0x00000000075F0000-0x0000000007693000-memory.dmp

Filesize
652KB

Download
memory/3544-21-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/3544-62-0x0000000007710000-0x000000000772A000-memory.dmp

Filesize
104KB

Download
memory/3544-63-0x0000000007780000-0x000000000778A000-memory.dmp

Filesize
40KB

Download
memory/3544-64-0x0000000007990000-0x0000000007A26000-memory.dmp

Filesize
600KB

Download
memory/3544-65-0x0000000007910000-0x0000000007921000-memory.dmp

Filesize
68KB

Download
memory/3544-66-0x0000000007940000-0x000000000794E000-memory.dmp

Filesize
56KB

Download
memory/3544-67-0x0000000007950000-0x0000000007964000-memory.dmp

Filesize
80KB

Download
memory/3544-68-0x0000000007A50000-0x0000000007A6A000-memory.dmp

Filesize
104KB

Download
memory/3544-69-0x0000000007A30000-0x0000000007A38000-memory.dmp

Filesize
32KB

Download
memory/3544-15-0x0000000002AE0000-0x0000000002B16000-memory.dmp

Filesize
216KB

Download
memory/3544-17-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/3544-76-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/3752-70-0x00000000002E0000-0x00000000002F2000-memory.dmp

Filesize
72KB

Download
memory/3752-77-0x0000000000910000-0x000000000093F000-memory.dmp

Filesize
188KB

Download
memory/3752-71-0x00000000002E0000-0x00000000002F2000-memory.dmp

Filesize
72KB

Download
memory/3752-73-0x00000000002E0000-0x00000000002F2000-memory.dmp

Filesize
72KB

Download