formbook | 4450f87d1d930e77af10b8eeea00a2f2c2421f1035e42e98fa072fecb5735e00

Analysis

max time kernel
92s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-09-2024 03:23

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General

Target

SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe
Size

749KB
MD5

c13a31f39f4de6f4373b06d799b36ee1
SHA1

bed48e4ff3b169b8ab79af619c47f00d4d6ef460
SHA256

4450f87d1d930e77af10b8eeea00a2f2c2421f1035e42e98fa072fecb5735e00
SHA512

fc57a3c3fc924a16caca8757532ea000db33c825dac9712f2a97b96adb9b6e02a10ceba9f1afe027e62f2c8b795074b888735427e6bd04f8fb2d1064d48965e6
SSDEEP

12288:gqdBj0z1nz6T1UoIG5MPU0wOqp06mCPyP4xLUzPimndzQ+ww4pegX3VNXr4T50Lk:A6pUobyTkpVjyP4xLUWmn5cWgHHKck97

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 1 IoCs

rat

resource	yara_rule
behavioral2/memory/4944-20-0x0000000000400000-0x000000000042F000-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
4128	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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4596 set thread context of 4944	4596	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	98

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 3 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	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
4088	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4128	powershell.exe
4944	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe
4944	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe
4128	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4128	powershell.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 4128	4596	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	94
PID 4596 wrote to memory of 4128	4596	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	94
PID 4596 wrote to memory of 4128	4596	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	94
PID 4596 wrote to memory of 4088	4596	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	96
PID 4596 wrote to memory of 4088	4596	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	96
PID 4596 wrote to memory of 4088	4596	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	96
PID 4596 wrote to memory of 4944	4596	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	98
PID 4596 wrote to memory of 4944	4596	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	98
PID 4596 wrote to memory of 4944	4596	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	98
PID 4596 wrote to memory of 4944	4596	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	98
PID 4596 wrote to memory of 4944	4596	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	98
PID 4596 wrote to memory of 4944	4596	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	98

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4596
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xXAxpzEH.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4128
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xXAxpzEH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDFF0.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4088
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe
  "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4944

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lajtirzq.bqs.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDFF0.tmp

Filesize
1KB

MD5
b77b61ac6b2b96256f689c193db1508c

SHA1
b889ba76a3908664c4b9e3fdf944e0bb8c8ff07f

SHA256
7ab5d99d0268e502f94369b2c1ab5aae9e4e651d8d4aac8c438092098ef68a5a

SHA512
2c203720556cde60b24db7808096343f79538c513ebadf4a20ac1114f284a694e5942727ee89e9fc04eba7099b804b9f53907f3fdbcfaec4728d66b98a97211d

Download Submit
memory/4128-46-0x0000000004CD0000-0x0000000004CE0000-memory.dmp

Filesize
64KB

Download
memory/4128-18-0x0000000005310000-0x0000000005938000-memory.dmp

Filesize
6.2MB

Download
memory/4128-66-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4128-26-0x0000000005A40000-0x0000000005AA6000-memory.dmp

Filesize
408KB

Download
memory/4128-63-0x0000000007720000-0x0000000007728000-memory.dmp

Filesize
32KB

Download
memory/4128-62-0x0000000007740000-0x000000000775A000-memory.dmp

Filesize
104KB

Download
memory/4128-61-0x0000000007640000-0x0000000007654000-memory.dmp

Filesize
80KB

Download
memory/4128-28-0x0000000005B20000-0x0000000005E74000-memory.dmp

Filesize
3.3MB

Download
memory/4128-60-0x0000000007630000-0x000000000763E000-memory.dmp

Filesize
56KB

Download
memory/4128-15-0x0000000004B60000-0x0000000004B96000-memory.dmp

Filesize
216KB

Download
memory/4128-16-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4128-59-0x0000000007600000-0x0000000007611000-memory.dmp

Filesize
68KB

Download
memory/4128-19-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4128-42-0x00000000716A0000-0x00000000716EC000-memory.dmp

Filesize
304KB

Download
memory/4128-21-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4128-58-0x0000000007680000-0x0000000007716000-memory.dmp

Filesize
600KB

Download
memory/4128-57-0x0000000007480000-0x000000000748A000-memory.dmp

Filesize
40KB

Download
memory/4128-56-0x0000000007400000-0x000000000741A000-memory.dmp

Filesize
104KB

Download
memory/4128-25-0x0000000005220000-0x0000000005242000-memory.dmp

Filesize
136KB

Download
memory/4128-27-0x0000000005AB0000-0x0000000005B16000-memory.dmp

Filesize
408KB

Download
memory/4128-55-0x0000000007A50000-0x00000000080CA000-memory.dmp

Filesize
6.5MB

Download
memory/4128-54-0x00000000070B0000-0x0000000007153000-memory.dmp

Filesize
652KB

Download
memory/4128-53-0x0000000006690000-0x00000000066AE000-memory.dmp

Filesize
120KB

Download
memory/4128-38-0x00000000060E0000-0x00000000060FE000-memory.dmp

Filesize
120KB

Download
memory/4128-39-0x0000000006110000-0x000000000615C000-memory.dmp

Filesize
304KB

Download
memory/4128-40-0x000000007F380000-0x000000007F390000-memory.dmp

Filesize
64KB

Download
memory/4128-41-0x00000000066B0000-0x00000000066E2000-memory.dmp

Filesize
200KB

Download
memory/4596-2-0x0000000005AF0000-0x0000000006094000-memory.dmp

Filesize
5.6MB

Download
memory/4596-8-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4596-7-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/4596-9-0x0000000006340000-0x00000000063B6000-memory.dmp

Filesize
472KB

Download
memory/4596-5-0x0000000005770000-0x000000000577A000-memory.dmp

Filesize
40KB

Download
memory/4596-4-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4596-23-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/4596-6-0x0000000005840000-0x0000000005858000-memory.dmp

Filesize
96KB

Download
memory/4596-3-0x00000000055E0000-0x0000000005672000-memory.dmp

Filesize
584KB

Download
memory/4596-10-0x0000000008970000-0x0000000008A0C000-memory.dmp

Filesize
624KB

Download
memory/4596-0-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/4596-1-0x0000000000C90000-0x0000000000D52000-memory.dmp

Filesize
776KB

Download
memory/4944-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4944-24-0x0000000001860000-0x0000000001BAA000-memory.dmp

Filesize
3.3MB

Download