formbook | 596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f

General

Target

Payment Advice Note from 01.10.2024.exe
Size

677KB
MD5

86926b8ab8f00f27eb69f2793db47f68
SHA1

fb0e93fd743510cee1045712d1dc8dd887a3b9ca
SHA256

596681238e749d9109fd00bbc95f364f4cfc5977cf1d2253bd8ee268d6dbbf2f
SHA512

b0276dd9ac758a4e0f02d311c6605aaa315d8afc6a29d90e8a4685ebec515febbc107ac7c129f7ed29e63d60103d354f4495db2573347850235ac5aff515091e
SSDEEP

12288:RLbMeV3JxmLAaK/d32fOOce2F7e6PMLeLdAh3qMu4UXL6L:R5bxmLAaMr9e6kSyhat4UXm

Score

10^/10

formbook cu29 discovery execution 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 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2756-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2768-24-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2692	powershell.exe

Deletes itself 1 IoCs

pid	Process
2608	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2536 set thread context of 2756	2536	Payment Advice Note from 01.10.2024.exe	34
PID 2756 set thread context of 1196	2756	Payment Advice Note from 01.10.2024.exe	21
PID 2768 set thread context of 1196	2768	cmmon32.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	Payment Advice Note from 01.10.2024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmmon32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2788	schtasks.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2756	Payment Advice Note from 01.10.2024.exe
2756	Payment Advice Note from 01.10.2024.exe
2692	powershell.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe
2768	cmmon32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2756	Payment Advice Note from 01.10.2024.exe
2756	Payment Advice Note from 01.10.2024.exe
2756	Payment Advice Note from 01.10.2024.exe
2768	cmmon32.exe
2768	cmmon32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2756	Payment Advice Note from 01.10.2024.exe
Token: SeDebugPrivilege	2692	powershell.exe
Token: SeDebugPrivilege	2768	cmmon32.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2692	2536	Payment Advice Note from 01.10.2024.exe	30
PID 2536 wrote to memory of 2692	2536	Payment Advice Note from 01.10.2024.exe	30
PID 2536 wrote to memory of 2692	2536	Payment Advice Note from 01.10.2024.exe	30
PID 2536 wrote to memory of 2692	2536	Payment Advice Note from 01.10.2024.exe	30
PID 2536 wrote to memory of 2788	2536	Payment Advice Note from 01.10.2024.exe	32
PID 2536 wrote to memory of 2788	2536	Payment Advice Note from 01.10.2024.exe	32
PID 2536 wrote to memory of 2788	2536	Payment Advice Note from 01.10.2024.exe	32
PID 2536 wrote to memory of 2788	2536	Payment Advice Note from 01.10.2024.exe	32
PID 2536 wrote to memory of 2756	2536	Payment Advice Note from 01.10.2024.exe	34
PID 2536 wrote to memory of 2756	2536	Payment Advice Note from 01.10.2024.exe	34
PID 2536 wrote to memory of 2756	2536	Payment Advice Note from 01.10.2024.exe	34
PID 2536 wrote to memory of 2756	2536	Payment Advice Note from 01.10.2024.exe	34
PID 2536 wrote to memory of 2756	2536	Payment Advice Note from 01.10.2024.exe	34
PID 2536 wrote to memory of 2756	2536	Payment Advice Note from 01.10.2024.exe	34
PID 2536 wrote to memory of 2756	2536	Payment Advice Note from 01.10.2024.exe	34
PID 1196 wrote to memory of 2768	1196	Explorer.EXE	35
PID 1196 wrote to memory of 2768	1196	Explorer.EXE	35
PID 1196 wrote to memory of 2768	1196	Explorer.EXE	35
PID 1196 wrote to memory of 2768	1196	Explorer.EXE	35
PID 2768 wrote to memory of 2608	2768	cmmon32.exe	37
PID 2768 wrote to memory of 2608	2768	cmmon32.exe	37
PID 2768 wrote to memory of 2608	2768	cmmon32.exe	37
PID 2768 wrote to memory of 2608	2768	cmmon32.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Users\Admin\AppData\Local\Temp\Payment Advice Note from 01.10.2024.exe
  "C:\Users\Admin\AppData\Local\Temp\Payment Advice Note from 01.10.2024.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2536
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CXVSFLX.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2692
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CXVSFLX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC81F.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2788
- - C:\Users\Admin\AppData\Local\Temp\Payment Advice Note from 01.10.2024.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Advice Note from 01.10.2024.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2756
- 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:2768
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Payment Advice Note from 01.10.2024.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2608

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC81F.tmp

Filesize
1KB

MD5
e752b6ddd855700e1d48836d7649cce3

SHA1
76381e1f1ca16d5c2bfae2dbeb663233f830a430

SHA256
d7a86365f96d0493054dff17612b1d43b189ef7e9fbf3cd55e1c0b1db5da1caa

SHA512
3a90f9f3ffb1691853f226956c4ded9adbd333c3dccca82e36306dda24c0f89ee621ec3c94db075d8c56885ef8d56ceb824230f56c5a253d863562e68209ee50

Download Submit
memory/1196-22-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/2536-18-0x00000000747D0000-0x0000000074EBE000-memory.dmp

Filesize
6.9MB

Download
memory/2536-1-0x0000000000DB0000-0x0000000000E5E000-memory.dmp

Filesize
696KB

Download
memory/2536-2-0x00000000747D0000-0x0000000074EBE000-memory.dmp

Filesize
6.9MB

Download
memory/2536-3-0x0000000000930000-0x000000000094A000-memory.dmp

Filesize
104KB

Download
memory/2536-4-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/2536-5-0x00000000747D0000-0x0000000074EBE000-memory.dmp

Filesize
6.9MB

Download
memory/2536-6-0x0000000004E10000-0x0000000004E86000-memory.dmp

Filesize
472KB

Download
memory/2536-0-0x00000000747DE000-0x00000000747DF000-memory.dmp

Filesize
4KB

Download
memory/2756-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2756-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2756-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2756-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2768-23-0x00000000002C0000-0x00000000002CD000-memory.dmp

Filesize
52KB

Download
memory/2768-24-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads