formbook | cf8230d20fbd1b9b21058813669fcd7fa9575a5a0f9c38269213b4e712d918d3

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2024 10:58

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General

Target

mindray new po 2408195665898 pdf.exe
Size

751KB
MD5

707ef60d5af01741c9fe9c6c8d68a643
SHA1

073c2b85bbd79c8c98694bc9f35fbe149bc0dd99
SHA256

cf8230d20fbd1b9b21058813669fcd7fa9575a5a0f9c38269213b4e712d918d3
SHA512

02fe54ac14693f7f7a1e9123ed48df7fa9aa56947ca6f1971e90454198fa1cc36f5a5fbe90ba1ff9703f3b1b7bce638d4973967f2e0c2781ea64d9b630d08787
SSDEEP

12288:Yjx0FgKyM8az8HXMaSIGugFBQZINYBH1anm5FuQcol7e9wagdmEc:mx0FgKbZ8HXMaSIG/zNYBwnsFuQcoteo

Score

10^/10

formbook cu29 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cu29

Decoy

qidr.shop

usinessaviationconsulting.net

68716329.xyz

nd-los.net

ealthironcladguarantee.shop

oftware-download-69354.bond

48372305.top

omeownershub.top

mall-chilli.top

ajakgoid.online

ire-changer-53482.bond

rugsrx.shop

oyang123.info

azino-forum-pro.online

817715.rest

layman.vip

eb777.club

ovatonica.net

urgaslotvip.website

inn-paaaa.buzz

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/920-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/920-16-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1744-21-0x0000000001040000-0x000000000106F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3996 set thread context of 920	3996	mindray new po 2408195665898 pdf.exe	87
PID 920 set thread context of 3524	920	mindray new po 2408195665898 pdf.exe	56
PID 1744 set thread context of 3524	1744	cmmon32.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	mindray new po 2408195665898 pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.exe

Modifies registry class 1 IoCs

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

Suspicious behavior: EnumeratesProcesses 60 IoCs

pid	Process
3996	mindray new po 2408195665898 pdf.exe
3996	mindray new po 2408195665898 pdf.exe
920	mindray new po 2408195665898 pdf.exe
920	mindray new po 2408195665898 pdf.exe
920	mindray new po 2408195665898 pdf.exe
920	mindray new po 2408195665898 pdf.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe
1744	cmmon32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
920	mindray new po 2408195665898 pdf.exe
920	mindray new po 2408195665898 pdf.exe
920	mindray new po 2408195665898 pdf.exe
1744	cmmon32.exe
1744	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 15 IoCs

description	pid	Process
Token: SeDebugPrivilege	3996	mindray new po 2408195665898 pdf.exe
Token: SeDebugPrivilege	920	mindray new po 2408195665898 pdf.exe
Token: SeDebugPrivilege	1744	cmmon32.exe
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3524	Explorer.EXE
3524	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3524	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3996 wrote to memory of 1368	3996	mindray new po 2408195665898 pdf.exe	86
PID 3996 wrote to memory of 1368	3996	mindray new po 2408195665898 pdf.exe	86
PID 3996 wrote to memory of 1368	3996	mindray new po 2408195665898 pdf.exe	86
PID 3996 wrote to memory of 920	3996	mindray new po 2408195665898 pdf.exe	87
PID 3996 wrote to memory of 920	3996	mindray new po 2408195665898 pdf.exe	87
PID 3996 wrote to memory of 920	3996	mindray new po 2408195665898 pdf.exe	87
PID 3996 wrote to memory of 920	3996	mindray new po 2408195665898 pdf.exe	87
PID 3996 wrote to memory of 920	3996	mindray new po 2408195665898 pdf.exe	87
PID 3996 wrote to memory of 920	3996	mindray new po 2408195665898 pdf.exe	87
PID 3524 wrote to memory of 1744	3524	Explorer.EXE	88
PID 3524 wrote to memory of 1744	3524	Explorer.EXE	88
PID 3524 wrote to memory of 1744	3524	Explorer.EXE	88
PID 1744 wrote to memory of 3632	1744	cmmon32.exe	89
PID 1744 wrote to memory of 3632	1744	cmmon32.exe	89
PID 1744 wrote to memory of 3632	1744	cmmon32.exe	89

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:3524
- C:\Users\Admin\AppData\Local\Temp\mindray new po 2408195665898 pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\mindray new po 2408195665898 pdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3996
- - C:\Users\Admin\AppData\Local\Temp\mindray new po 2408195665898 pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\mindray new po 2408195665898 pdf.exe"
    3⤵
    PID:1368
- - C:\Users\Admin\AppData\Local\Temp\mindray new po 2408195665898 pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\mindray new po 2408195665898 pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:920
- C:\Windows\SysWOW64\cmmon32.exe
  "C:\Windows\SysWOW64\cmmon32.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:1744
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\mindray new po 2408195665898 pdf.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3632

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/920-17-0x0000000001140000-0x0000000001155000-memory.dmp

Filesize
84KB

Download
memory/920-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/920-14-0x0000000001720000-0x0000000001A6A000-memory.dmp

Filesize
3.3MB

Download
memory/920-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1744-19-0x00000000003F0000-0x00000000003FC000-memory.dmp

Filesize
48KB

Download
memory/1744-20-0x00000000003F0000-0x00000000003FC000-memory.dmp

Filesize
48KB

Download
memory/1744-21-0x0000000001040000-0x000000000106F000-memory.dmp

Filesize
188KB

Download
memory/3524-26-0x00007FFF77D2A000-0x00007FFF77D2B000-memory.dmp

Filesize
4KB

Download
memory/3524-22-0x00000000086F0000-0x000000000883D000-memory.dmp

Filesize
1.3MB

Download
memory/3524-18-0x00000000086F0000-0x000000000883D000-memory.dmp

Filesize
1.3MB

Download
memory/3524-25-0x0000000008E80000-0x000000000900C000-memory.dmp

Filesize
1.5MB

Download
memory/3524-27-0x0000000008E80000-0x000000000900C000-memory.dmp

Filesize
1.5MB

Download
memory/3524-29-0x0000000008E80000-0x000000000900C000-memory.dmp

Filesize
1.5MB

Download
memory/3996-6-0x00000000067F0000-0x0000000006808000-memory.dmp

Filesize
96KB

Download
memory/3996-13-0x0000000075320000-0x0000000075AD0000-memory.dmp

Filesize
7.7MB

Download
memory/3996-10-0x0000000006730000-0x00000000067CC000-memory.dmp

Filesize
624KB

Download
memory/3996-9-0x0000000006470000-0x00000000064E6000-memory.dmp

Filesize
472KB

Download
memory/3996-8-0x0000000075320000-0x0000000075AD0000-memory.dmp

Filesize
7.7MB

Download
memory/3996-7-0x000000007532E000-0x000000007532F000-memory.dmp

Filesize
4KB

Download
memory/3996-0-0x000000007532E000-0x000000007532F000-memory.dmp

Filesize
4KB

Download
memory/3996-5-0x0000000075320000-0x0000000075AD0000-memory.dmp

Filesize
7.7MB

Download
memory/3996-4-0x0000000005180000-0x000000000518A000-memory.dmp

Filesize
40KB

Download
memory/3996-3-0x0000000005200000-0x0000000005292000-memory.dmp

Filesize
584KB

Download
memory/3996-2-0x00000000057B0000-0x0000000005D54000-memory.dmp

Filesize
5.6MB

Download
memory/3996-1-0x0000000000800000-0x00000000008C2000-memory.dmp

Filesize
776KB

Download