formbook | 4450f87d1d930e77af10b8eeea00a2f2c2421f1035e42e98fa072fecb5735e00

General

Target

SecuriteInfo.com.Win32.CrypterXgen.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
behavioral1/memory/2808-19-0x0000000000400000-0x000000000042F000-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
2876	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1632 set thread context of 2808	1632	SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe	35

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SecuriteInfo.com.Win32.CrypterXgen.29913.30159.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
860	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2808	SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe
2876	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2876	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 2876	1632	SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe	31
PID 1632 wrote to memory of 2876	1632	SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe	31
PID 1632 wrote to memory of 2876	1632	SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe	31
PID 1632 wrote to memory of 2876	1632	SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe	31
PID 1632 wrote to memory of 860	1632	SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe	33
PID 1632 wrote to memory of 860	1632	SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe	33
PID 1632 wrote to memory of 860	1632	SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe	33
PID 1632 wrote to memory of 860	1632	SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe	33
PID 1632 wrote to memory of 2808	1632	SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe	35
PID 1632 wrote to memory of 2808	1632	SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe	35
PID 1632 wrote to memory of 2808	1632	SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe	35
PID 1632 wrote to memory of 2808	1632	SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe	35
PID 1632 wrote to memory of 2808	1632	SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe	35
PID 1632 wrote to memory of 2808	1632	SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe	35
PID 1632 wrote to memory of 2808	1632	SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe	35

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1632
- 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:2876
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xXAxpzEH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1748.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:860
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe
  "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterXgen.29913.30159.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2808

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1748.tmp

Filesize
1KB

MD5
72e019b28c8783767b707786ecfdccd5

SHA1
74e6bf07e4317931b7b048c4b09c65d6f1ffa975

SHA256
3d365d27a0d155fd6df96020d4b788d2a8d08c905db1c2a34e69961d794f3a71

SHA512
e3627042e985462a9118fa4655a7bb77fc83363558df652d5cb8bbf9df533ecf7e6c67b145c1d759ce81848540fb8c1064eadaa12fa173b53f2fc4b87cbeae31

Download Submit
memory/1632-6-0x0000000005120000-0x0000000005196000-memory.dmp

Filesize
472KB

Download
memory/1632-2-0x0000000074CB0000-0x000000007539E000-memory.dmp

Filesize
6.9MB

Download
memory/1632-3-0x00000000007C0000-0x00000000007D8000-memory.dmp

Filesize
96KB

Download
memory/1632-4-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

Filesize
4KB

Download
memory/1632-5-0x0000000074CB0000-0x000000007539E000-memory.dmp

Filesize
6.9MB

Download
memory/1632-0-0x0000000074CBE000-0x0000000074CBF000-memory.dmp

Filesize
4KB

Download
memory/1632-1-0x0000000000970000-0x0000000000A32000-memory.dmp

Filesize
776KB

Download
memory/1632-20-0x0000000074CB0000-0x000000007539E000-memory.dmp

Filesize
6.9MB

Download
memory/2808-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2808-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2808-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2808-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads