formbook | 9a711d77ad0c7a088e281c490a7bc22d0ed0561a257546d4618b9fc9040d741e

Analysis

max time kernel
148s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 19:53

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General

Target

list nr 001220_51_2024-11-19_134943.docx.exe
Size

1.1MB
MD5

93bfc296f24d789a7201194a62a84b00
SHA1

23871f9da18f3a7cbe4491fb0152f38b2c6cf959
SHA256

dcb0dbfb5714fc8d31fb3ac35f060092959f1450655eac659d6f4ff36c3c790d
SHA512

edb3cdf1e897ed07883548df5009d2a7dc5037871484f20e790701c29b0732016b1bf6834f712dc21b62d9b26834aafb6735bea54c4ed573c5be7151d68937df
SSDEEP

24576:htb20pkaCqT5TBWgNQ7aWcgLfFAJwGYBU6A:yVg5tQ7aWc6AJwvO5

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/2104-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2104-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3692-15-0x0000000000D70000-0x0000000000D9F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

list nr 001220_51_2024-11-19_134943.docx.exesvchost.exemsdt.exe

description	pid	Process	procid_target
PID 3936 set thread context of 2104	3936	list nr 001220_51_2024-11-19_134943.docx.exe	87
PID 2104 set thread context of 3520	2104	svchost.exe	56
PID 3692 set thread context of 3520	3692	msdt.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:

list nr 001220_51_2024-11-19_134943.docx.exemsdt.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	list nr 001220_51_2024-11-19_134943.docx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

svchost.exemsdt.exe

pid	Process
2104	svchost.exe
2104	svchost.exe
2104	svchost.exe
2104	svchost.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe
3692	msdt.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

list nr 001220_51_2024-11-19_134943.docx.exesvchost.exemsdt.exe

pid	Process
3936	list nr 001220_51_2024-11-19_134943.docx.exe
2104	svchost.exe
2104	svchost.exe
2104	svchost.exe
3692	msdt.exe
3692	msdt.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

svchost.exemsdt.exe

description	pid	Process
Token: SeDebugPrivilege	2104	svchost.exe
Token: SeDebugPrivilege	3692	msdt.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

list nr 001220_51_2024-11-19_134943.docx.exe

pid	Process
3936	list nr 001220_51_2024-11-19_134943.docx.exe
3936	list nr 001220_51_2024-11-19_134943.docx.exe

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

list nr 001220_51_2024-11-19_134943.docx.exe

pid	Process
3936	list nr 001220_51_2024-11-19_134943.docx.exe
3936	list nr 001220_51_2024-11-19_134943.docx.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

list nr 001220_51_2024-11-19_134943.docx.exeExplorer.EXEmsdt.exe

description	pid	Process	procid_target
PID 3936 wrote to memory of 2104	3936	list nr 001220_51_2024-11-19_134943.docx.exe	87
PID 3936 wrote to memory of 2104	3936	list nr 001220_51_2024-11-19_134943.docx.exe	87
PID 3936 wrote to memory of 2104	3936	list nr 001220_51_2024-11-19_134943.docx.exe	87
PID 3936 wrote to memory of 2104	3936	list nr 001220_51_2024-11-19_134943.docx.exe	87
PID 3520 wrote to memory of 3692	3520	Explorer.EXE	88
PID 3520 wrote to memory of 3692	3520	Explorer.EXE	88
PID 3520 wrote to memory of 3692	3520	Explorer.EXE	88
PID 3692 wrote to memory of 1944	3692	msdt.exe	94
PID 3692 wrote to memory of 1944	3692	msdt.exe	94
PID 3692 wrote to memory of 1944	3692	msdt.exe	94

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3520
- C:\Users\Admin\AppData\Local\Temp\list nr 001220_51_2024-11-19_134943.docx.exe
  "C:\Users\Admin\AppData\Local\Temp\list nr 001220_51_2024-11-19_134943.docx.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:3936
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\list nr 001220_51_2024-11-19_134943.docx.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2104
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.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:3692
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1944

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/2104-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2104-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2104-8-0x0000000000FD0000-0x000000000131A000-memory.dmp

Filesize
3.3MB

Download
memory/2104-11-0x0000000000E30000-0x0000000000E44000-memory.dmp

Filesize
80KB

Download
memory/3520-16-0x0000000007BE0000-0x0000000007CB9000-memory.dmp

Filesize
868KB

Download
memory/3520-12-0x0000000007BE0000-0x0000000007CB9000-memory.dmp

Filesize
868KB

Download
memory/3520-20-0x0000000007D60000-0x0000000007DF8000-memory.dmp

Filesize
608KB

Download
memory/3520-21-0x0000000007D60000-0x0000000007DF8000-memory.dmp

Filesize
608KB

Download
memory/3520-23-0x0000000007D60000-0x0000000007DF8000-memory.dmp

Filesize
608KB

Download
memory/3692-13-0x0000000000080000-0x00000000000D7000-memory.dmp

Filesize
348KB

Download
memory/3692-14-0x0000000000080000-0x00000000000D7000-memory.dmp

Filesize
348KB

Download
memory/3692-15-0x0000000000D70000-0x0000000000D9F000-memory.dmp

Filesize
188KB

Download
memory/3936-6-0x0000000001980000-0x0000000001D80000-memory.dmp

Filesize
4.0MB

Download