formbook | 19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf

Analysis

max time kernel
147s
max time network
145s
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 19:13

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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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2348-7-0x0000000000130000-0x000000000015F000-memory.dmp	formbook
behavioral2/memory/2348-11-0x0000000000130000-0x000000000015F000-memory.dmp	formbook
behavioral2/memory/1600-17-0x0000000000AF0000-0x0000000000B1F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exesvchost.exewlanext.exe

description	pid	Process	procid_target
PID 4472 set thread context of 2348	4472	19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe	83
PID 2348 set thread context of 3488	2348	svchost.exe	56
PID 1600 set thread context of 3488	1600	wlanext.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

Processes:

wlanext.execmd.exe19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

svchost.exewlanext.exe

pid	Process
2348	svchost.exe
2348	svchost.exe
2348	svchost.exe
2348	svchost.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe
1600	wlanext.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exesvchost.exewlanext.exe

pid	Process
4472	19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe
4472	19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe
2348	svchost.exe
2348	svchost.exe
2348	svchost.exe
1600	wlanext.exe
1600	wlanext.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

svchost.exewlanext.exe

description	pid	Process
Token: SeDebugPrivilege	2348	svchost.exe
Token: SeDebugPrivilege	1600	wlanext.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe

pid	Process
4472	19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe
4472	19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe

pid	Process
4472	19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe
4472	19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exeExplorer.EXEwlanext.exe

description	pid	Process	procid_target
PID 4472 wrote to memory of 2348	4472	19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe	83
PID 4472 wrote to memory of 2348	4472	19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe	83
PID 4472 wrote to memory of 2348	4472	19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe	83
PID 4472 wrote to memory of 2348	4472	19fbe34cba208ba97e666fe917df64eeb922747ce9b8cbaed65bd0197be59aaf.exe	83
PID 3488 wrote to memory of 1600	3488	Explorer.EXE	84
PID 3488 wrote to memory of 1600	3488	Explorer.EXE	84
PID 3488 wrote to memory of 1600	3488	Explorer.EXE	84
PID 1600 wrote to memory of 4564	1600	wlanext.exe	90
PID 1600 wrote to memory of 4564	1600	wlanext.exe	90
PID 1600 wrote to memory of 4564	1600	wlanext.exe	90

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3488
- 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:4472
- - 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:2348
- C:\Windows\SysWOW64\wlanext.exe
  "C:\Windows\SysWOW64\wlanext.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:1600
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4564

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/1600-16-0x0000000000BE0000-0x0000000000BF7000-memory.dmp

Filesize
92KB

Download
memory/1600-17-0x0000000000AF0000-0x0000000000B1F000-memory.dmp

Filesize
188KB

Download
memory/1600-14-0x0000000000BE0000-0x0000000000BF7000-memory.dmp

Filesize
92KB

Download
memory/2348-12-0x0000000000D70000-0x0000000000D84000-memory.dmp

Filesize
80KB

Download
memory/2348-11-0x0000000000130000-0x000000000015F000-memory.dmp

Filesize
188KB

Download
memory/2348-10-0x0000000000E00000-0x000000000114A000-memory.dmp

Filesize
3.3MB

Download
memory/2348-7-0x0000000000130000-0x000000000015F000-memory.dmp

Filesize
188KB

Download
memory/3488-13-0x00000000082D0000-0x000000000843E000-memory.dmp

Filesize
1.4MB

Download
memory/3488-18-0x00000000082D0000-0x000000000843E000-memory.dmp

Filesize
1.4MB

Download
memory/3488-22-0x0000000002500000-0x00000000025D8000-memory.dmp

Filesize
864KB

Download
memory/3488-23-0x0000000002500000-0x00000000025D8000-memory.dmp

Filesize
864KB

Download
memory/3488-25-0x0000000002500000-0x00000000025D8000-memory.dmp

Filesize
864KB

Download
memory/4472-6-0x0000000001470000-0x0000000001870000-memory.dmp

Filesize
4.0MB

Download