formbook | 19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf

Analysis

max time kernel
149s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-11-2024 02:15

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General

Target

19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe
Size

1.2MB
MD5

65d3e1f0b99aed95d9bab7d95a9227e2
SHA1

bceaca56ffaf6777fdf6af9c903dc893f0f774e9
SHA256

19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf
SHA512

12ea362d8ccfa54ef57f6ed3b60f452ac7ec40969b1e64f42646ecdc8ccbc13b2b0ca9bf75157c5c8f3b02ec29743f620c636e9cc0f942dd2aa8f68bb75aaf8d
SSDEEP

12288:2tb20Qc3lT7af41ePBRYuQLKpqeUhbTv5OFgNuPPpHSgaei85fK39BR7PkieS26:2tb20pkaCqT5TBWgNQ7aeid/CieS26A

Score

10^/10

formbook ud04 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ud04

Decoy

oum7.pro

ovonordisk.online

akrzus.pro

tendmtedcpsa.site

mm.foo

animevyhgsft29817.click

digdxxb.info

1130.vip

uy-now-pay-later-74776.bond

ybzert.online

edcn.link

rime-flow-bay.xyz

nd777id.beauty

otoyama.shop

lranchomx.xyz

unluoren.top

uglesang-troms.net

udulbet88.net

raquewear.shop

ijanarko.net

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral2/memory/1252-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1252-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1252-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2920-21-0x0000000000B60000-0x0000000000B8F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1868 set thread context of 1252	1868	19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe	84
PID 1252 set thread context of 3436	1252	svchost.exe	56
PID 1252 set thread context of 3436	1252	svchost.exe	56
PID 2920 set thread context of 3436	2920	rundll32.exe	56

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	19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
1252	svchost.exe
1252	svchost.exe
1252	svchost.exe
1252	svchost.exe
1252	svchost.exe
1252	svchost.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe
2920	rundll32.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1868	19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe
1252	svchost.exe
1252	svchost.exe
1252	svchost.exe
1252	svchost.exe
2920	rundll32.exe
2920	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1252	svchost.exe
Token: SeDebugPrivilege	2920	rundll32.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1868	19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe
1868	19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1868	19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe
1868	19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 1252	1868	19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe	84
PID 1868 wrote to memory of 1252	1868	19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe	84
PID 1868 wrote to memory of 1252	1868	19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe	84
PID 1868 wrote to memory of 1252	1868	19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe	84
PID 3436 wrote to memory of 2920	3436	Explorer.EXE	89
PID 3436 wrote to memory of 2920	3436	Explorer.EXE	89
PID 3436 wrote to memory of 2920	3436	Explorer.EXE	89
PID 2920 wrote to memory of 548	2920	rundll32.exe	93
PID 2920 wrote to memory of 548	2920	rundll32.exe	93
PID 2920 wrote to memory of 548	2920	rundll32.exe	93

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Users\Admin\AppData\Local\Temp\19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe
  "C:\Users\Admin\AppData\Local\Temp\19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1868
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1252
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.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:2920
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1252-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1252-11-0x0000000002170000-0x0000000002184000-memory.dmp

Filesize
80KB

Download
memory/1252-15-0x0000000003B00000-0x0000000003B14000-memory.dmp

Filesize
80KB

Download
memory/1252-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1252-8-0x0000000001C00000-0x0000000001F4A000-memory.dmp

Filesize
3.3MB

Download
memory/1252-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1868-6-0x00000000011F0000-0x00000000015F0000-memory.dmp

Filesize
4.0MB

Download
memory/2920-18-0x0000000000410000-0x0000000000424000-memory.dmp

Filesize
80KB

Download
memory/2920-20-0x0000000000410000-0x0000000000424000-memory.dmp

Filesize
80KB

Download
memory/2920-21-0x0000000000B60000-0x0000000000B8F000-memory.dmp

Filesize
188KB

Download
memory/3436-16-0x00000000089D0000-0x0000000008B46000-memory.dmp

Filesize
1.5MB

Download
memory/3436-17-0x0000000002C20000-0x0000000002DC8000-memory.dmp

Filesize
1.7MB

Download
memory/3436-12-0x0000000002C20000-0x0000000002DC8000-memory.dmp

Filesize
1.7MB

Download
memory/3436-22-0x00000000089D0000-0x0000000008B46000-memory.dmp

Filesize
1.5MB

Download
memory/3436-25-0x00000000092F0000-0x0000000009448000-memory.dmp

Filesize
1.3MB

Download
memory/3436-27-0x00000000092F0000-0x0000000009448000-memory.dmp

Filesize
1.3MB

Download
memory/3436-28-0x00000000092F0000-0x0000000009448000-memory.dmp

Filesize
1.3MB

Download