formbook | 4bf978ec447793b5945d346db1d2c4f9585cd9314071f13a79bb070577419696

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
25-11-2024 00:33

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General

Target

inquiry.exe
Size

1.1MB
MD5

bdcaea5a90a95e1ac6e710c7eb59d6e5
SHA1

41ad452e6ab3a2d3ff745b4936623e426a9a882e
SHA256

4bf978ec447793b5945d346db1d2c4f9585cd9314071f13a79bb070577419696
SHA512

48dd28be3df0d5c8c9fd1e8f091c1827d8b3686406550d3f25ef32a9b5bc1da50a5a812c4daa9744adfd6655d8165b0d2ce8dc42b4819cfdb6c1f792bcdfa3aa
SSDEEP

24576:ztb20pkaCqT5TBWgNQ7aKN00yvWi8JXIREMs6A:wVg5tQ7aK6DSlV5

Score

10^/10

formbook cl21 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cl21

Decoy

0001.shop

earch-parttimejobs.today

are888.top

akanhaunthipped.shop

othing-heyu.xyz

cadvirsor.net

nclanalae.shop

lectric-cars-mexico.today

oxj-question.xyz

ersonalloanoffers.today

ersonalloans-fo54-fo37.click

verybody-ewfx.xyz

ercuremontauban.media

azilimdunyam.net

airs-clinicato.today

wiftsscend.click

ertainly-jbws.xyz

8xeng.app

damekadmitageable.cfd

ollapsedec.shop

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

resource	yara_rule
behavioral2/memory/4880-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4880-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/5088-16-0x0000000000E00000-0x0000000000E2F000-memory.dmp	formbook

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/1560-6-0x00000000013B0000-0x00000000017B0000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1560 set thread context of 4880	1560	inquiry.exe	85
PID 4880 set thread context of 3452	4880	svchost.exe	56
PID 5088 set thread context of 3452	5088	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	inquiry.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4880	svchost.exe
4880	svchost.exe
4880	svchost.exe
4880	svchost.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe
5088	rundll32.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1560	inquiry.exe
4880	svchost.exe
4880	svchost.exe
4880	svchost.exe
5088	rundll32.exe
5088	rundll32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4880	svchost.exe
Token: SeDebugPrivilege	5088	rundll32.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1560 wrote to memory of 4880	1560	inquiry.exe	85
PID 1560 wrote to memory of 4880	1560	inquiry.exe	85
PID 1560 wrote to memory of 4880	1560	inquiry.exe	85
PID 1560 wrote to memory of 4880	1560	inquiry.exe	85
PID 3452 wrote to memory of 5088	3452	Explorer.EXE	86
PID 3452 wrote to memory of 5088	3452	Explorer.EXE	86
PID 3452 wrote to memory of 5088	3452	Explorer.EXE	86
PID 5088 wrote to memory of 4208	5088	rundll32.exe	94
PID 5088 wrote to memory of 4208	5088	rundll32.exe	94
PID 5088 wrote to memory of 4208	5088	rundll32.exe	94

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3452
- C:\Users\Admin\AppData\Local\Temp\inquiry.exe
  "C:\Users\Admin\AppData\Local\Temp\inquiry.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:1560
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\inquiry.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4880
- 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:5088
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4208

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

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Downloads

memory/1560-6-0x00000000013B0000-0x00000000017B0000-memory.dmp

Filesize
4.0MB

Download
memory/3452-17-0x0000000002B60000-0x0000000002CD9000-memory.dmp

Filesize
1.5MB

Download
memory/3452-24-0x0000000008C60000-0x0000000008DED000-memory.dmp

Filesize
1.6MB

Download
memory/3452-22-0x0000000008C60000-0x0000000008DED000-memory.dmp

Filesize
1.6MB

Download
memory/3452-21-0x0000000008C60000-0x0000000008DED000-memory.dmp

Filesize
1.6MB

Download
memory/3452-12-0x0000000002B60000-0x0000000002CD9000-memory.dmp

Filesize
1.5MB

Download
memory/4880-11-0x0000000001740000-0x0000000001754000-memory.dmp

Filesize
80KB

Download
memory/4880-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4880-8-0x0000000001200000-0x000000000154A000-memory.dmp

Filesize
3.3MB

Download
memory/4880-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5088-15-0x00000000001D0000-0x00000000001E4000-memory.dmp

Filesize
80KB

Download
memory/5088-16-0x0000000000E00000-0x0000000000E2F000-memory.dmp

Filesize
188KB

Download
memory/5088-13-0x00000000001D0000-0x00000000001E4000-memory.dmp

Filesize
80KB

Download