formbook | 9d119e13c731d90fa65a23f934bb8d76d2d23eb444cb35b24f889cfd3bafc59e

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2024 03:13

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General

Target

9d119e13c731d90fa65a23f934bb8d76d2d23eb444cb35b24f889cfd3bafc59e.exe
Size

1.4MB
MD5

098d3f5bb6500467f720277714dce583
SHA1

a71569560878f6bb7eb859ffabc9830d095609f0
SHA256

9d119e13c731d90fa65a23f934bb8d76d2d23eb444cb35b24f889cfd3bafc59e
SHA512

9db67c35220b1e6813d384739b7f2abe8db7da832583fc0cd143ac7047b7c73d6f2f21530da8b5139af1c5aadf8547417e86b141de1b132d639c8c2bcb00613e
SSDEEP

24576:DqDEvCTbMWu7rQYlBQcBiT6rprG8agykLvr6QZ6f/GoaiOH:DTvC/MTQYxsWR7agTvEDaF

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

Processes:

resource	yara_rule
behavioral2/memory/4996-3-0x0000000000410000-0x000000000043F000-memory.dmp	formbook
behavioral2/memory/4996-7-0x0000000000410000-0x000000000043F000-memory.dmp	formbook
behavioral2/memory/4996-11-0x0000000000410000-0x000000000043F000-memory.dmp	formbook
behavioral2/memory/3340-16-0x0000000001040000-0x000000000106F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

Processes:

9d119e13c731d90fa65a23f934bb8d76d2d23eb444cb35b24f889cfd3bafc59e.exesvchost.exeipconfig.exe

description	pid	Process	procid_target
PID 2880 set thread context of 4996	2880	9d119e13c731d90fa65a23f934bb8d76d2d23eb444cb35b24f889cfd3bafc59e.exe	87
PID 4996 set thread context of 3580	4996	svchost.exe	56
PID 4996 set thread context of 3580	4996	svchost.exe	56
PID 3340 set thread context of 3580	3340	ipconfig.exe	56

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
1912	2880	WerFault.exe	83

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:

cmd.exe9d119e13c731d90fa65a23f934bb8d76d2d23eb444cb35b24f889cfd3bafc59e.exeipconfig.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9d119e13c731d90fa65a23f934bb8d76d2d23eb444cb35b24f889cfd3bafc59e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

Processes:

ipconfig.exe

pid	Process
3340	ipconfig.exe

Modifies registry class 1 IoCs

Processes:

Explorer.EXE

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

svchost.exeipconfig.exe

pid	Process
4996	svchost.exe
4996	svchost.exe
4996	svchost.exe
4996	svchost.exe
4996	svchost.exe
4996	svchost.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe
3340	ipconfig.exe

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

9d119e13c731d90fa65a23f934bb8d76d2d23eb444cb35b24f889cfd3bafc59e.exesvchost.exeipconfig.exe

pid	Process
2880	9d119e13c731d90fa65a23f934bb8d76d2d23eb444cb35b24f889cfd3bafc59e.exe
2880	9d119e13c731d90fa65a23f934bb8d76d2d23eb444cb35b24f889cfd3bafc59e.exe
4996	svchost.exe
4996	svchost.exe
4996	svchost.exe
4996	svchost.exe
3340	ipconfig.exe
3340	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

svchost.exeExplorer.EXEipconfig.exe

description	pid	Process
Token: SeDebugPrivilege	4996	svchost.exe
Token: SeShutdownPrivilege	3580	Explorer.EXE
Token: SeCreatePagefilePrivilege	3580	Explorer.EXE
Token: SeShutdownPrivilege	3580	Explorer.EXE
Token: SeCreatePagefilePrivilege	3580	Explorer.EXE
Token: SeDebugPrivilege	3340	ipconfig.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid	Process
3580	Explorer.EXE
3580	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid	Process
3580	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

9d119e13c731d90fa65a23f934bb8d76d2d23eb444cb35b24f889cfd3bafc59e.exeExplorer.EXEipconfig.exe

description	pid	Process	procid_target
PID 2880 wrote to memory of 4996	2880	9d119e13c731d90fa65a23f934bb8d76d2d23eb444cb35b24f889cfd3bafc59e.exe	87
PID 2880 wrote to memory of 4996	2880	9d119e13c731d90fa65a23f934bb8d76d2d23eb444cb35b24f889cfd3bafc59e.exe	87
PID 2880 wrote to memory of 4996	2880	9d119e13c731d90fa65a23f934bb8d76d2d23eb444cb35b24f889cfd3bafc59e.exe	87
PID 2880 wrote to memory of 4996	2880	9d119e13c731d90fa65a23f934bb8d76d2d23eb444cb35b24f889cfd3bafc59e.exe	87
PID 3580 wrote to memory of 3340	3580	Explorer.EXE	96
PID 3580 wrote to memory of 3340	3580	Explorer.EXE	96
PID 3580 wrote to memory of 3340	3580	Explorer.EXE	96
PID 3340 wrote to memory of 3004	3340	ipconfig.exe	98
PID 3340 wrote to memory of 3004	3340	ipconfig.exe	98
PID 3340 wrote to memory of 3004	3340	ipconfig.exe	98

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3580
- C:\Users\Admin\AppData\Local\Temp\9d119e13c731d90fa65a23f934bb8d76d2d23eb444cb35b24f889cfd3bafc59e.exe
  "C:\Users\Admin\AppData\Local\Temp\9d119e13c731d90fa65a23f934bb8d76d2d23eb444cb35b24f889cfd3bafc59e.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2880
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\9d119e13c731d90fa65a23f934bb8d76d2d23eb444cb35b24f889cfd3bafc59e.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4996
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2880 -s 608
    3⤵
    - Program crash
    PID:1912
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3340
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2880 -ip 2880
1⤵
PID:3008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2880-2-0x0000000000CE0000-0x00000000010E0000-memory.dmp

Filesize
4.0MB

Download
memory/3340-15-0x00000000005F0000-0x00000000005FB000-memory.dmp

Filesize
44KB

Download
memory/3340-16-0x0000000001040000-0x000000000106F000-memory.dmp

Filesize
188KB

Download
memory/3340-14-0x00000000005F0000-0x00000000005FB000-memory.dmp

Filesize
44KB

Download
memory/3580-23-0x000000000AA10000-0x000000000AB64000-memory.dmp

Filesize
1.3MB

Download
memory/3580-21-0x000000000AA10000-0x000000000AB64000-memory.dmp

Filesize
1.3MB

Download
memory/3580-20-0x000000000AA10000-0x000000000AB64000-memory.dmp

Filesize
1.3MB

Download
memory/3580-9-0x0000000008A00000-0x0000000008B6E000-memory.dmp

Filesize
1.4MB

Download
memory/3580-13-0x000000000A860000-0x000000000AA0B000-memory.dmp

Filesize
1.7MB

Download
memory/3580-17-0x000000000A860000-0x000000000AA0B000-memory.dmp

Filesize
1.7MB

Download
memory/4996-7-0x0000000000410000-0x000000000043F000-memory.dmp

Filesize
188KB

Download
memory/4996-11-0x0000000000410000-0x000000000043F000-memory.dmp

Filesize
188KB

Download
memory/4996-12-0x0000000002ED0000-0x0000000002EE4000-memory.dmp

Filesize
80KB

Download
memory/4996-8-0x0000000001530000-0x0000000001544000-memory.dmp

Filesize
80KB

Download
memory/4996-6-0x0000000001000000-0x000000000134A000-memory.dmp

Filesize
3.3MB

Download
memory/4996-3-0x0000000000410000-0x000000000043F000-memory.dmp

Filesize
188KB

Download