formbook | 4450f87d1d930e77af10b8eeea00a2f2c2421f1035e42e98fa072fecb5735e00

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
behavioral1/memory/2696-19-0x0000000000400000-0x000000000042F000-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
2180	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2320 set thread context of 2696	2320	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	33

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
2216	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2696	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe
2180	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2180	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 2180	2320	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	29
PID 2320 wrote to memory of 2180	2320	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	29
PID 2320 wrote to memory of 2180	2320	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	29
PID 2320 wrote to memory of 2180	2320	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	29
PID 2320 wrote to memory of 2216	2320	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	31
PID 2320 wrote to memory of 2216	2320	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	31
PID 2320 wrote to memory of 2216	2320	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	31
PID 2320 wrote to memory of 2216	2320	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	31
PID 2320 wrote to memory of 2696	2320	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	33
PID 2320 wrote to memory of 2696	2320	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	33
PID 2320 wrote to memory of 2696	2320	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	33
PID 2320 wrote to memory of 2696	2320	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	33
PID 2320 wrote to memory of 2696	2320	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	33
PID 2320 wrote to memory of 2696	2320	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	33
PID 2320 wrote to memory of 2696	2320	SecuriteInfo.com.Win32.CrypterX-gen.29913.30159.exe	33

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⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2320
- 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:2180
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xXAxpzEH" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD9BC.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2216
- 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:2696

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD9BC.tmp

Filesize
1KB

MD5
1340d71a68239643268e6a84d9b89e43

SHA1
66415667a6bc6cc4e1d371dcdcc3ad4eea5a3c20

SHA256
068e609c40e155bfff472a333dbfe8bc3b6842d27a1749d616cf52038c963b47

SHA512
a20374d4d781b3b30a0087d7936bb27b208fd2b1f739ad0c6703065285c2dce21a5b0b163b6d53702fd99dd48db4a27adc65d8c1afe6f370f7a5da074a87ac43

Download Submit
memory/2320-6-0x0000000004890000-0x0000000004906000-memory.dmp

Filesize
472KB

Download
memory/2320-2-0x0000000074320000-0x0000000074A0E000-memory.dmp

Filesize
6.9MB

Download
memory/2320-3-0x0000000000790000-0x00000000007A8000-memory.dmp

Filesize
96KB

Download
memory/2320-4-0x000000007432E000-0x000000007432F000-memory.dmp

Filesize
4KB

Download
memory/2320-5-0x0000000074320000-0x0000000074A0E000-memory.dmp

Filesize
6.9MB

Download
memory/2320-0-0x000000007432E000-0x000000007432F000-memory.dmp

Filesize
4KB

Download
memory/2320-1-0x0000000000CA0000-0x0000000000D62000-memory.dmp

Filesize
776KB

Download
memory/2320-20-0x0000000074320000-0x0000000074A0E000-memory.dmp

Filesize
6.9MB

Download
memory/2696-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2696-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2696-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2696-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads