formbook | 01bf1f9b30a16239bbdb5bed0b2dddf2a8ab3a383b575b547ff16973b3c30fd8

General

Target

Pedido de Cotação - RFQ 31072024_Lista comercial.exe
Size

615KB
MD5

1cc3edbb74f2ee6d727579c246057f95
SHA1

2e7ee47afb0752c640b598f5bb7efada674af88d
SHA256

3e9f3a83f830c41cfec094e86c31a8c79c032814a4f029eba014cf90b7db75ab
SHA512

4fd715f9487daba8cfe32f4463cc675cf681a1377a2c1d097d74aa8bf63c54cd8f510761b4d49d6259ae315ab66670684b216d4d6217cd0a4cd5925cf3123de4
SSDEEP

12288:NeFFFFFFFF6VxOpnAArP4R1PiXQF7wxqMrI3NL/P9IqeiT/ihYWZRvYZo+5oK:NeFFFFFFFF6VwaArwRA+wgMr6lP93eiF

Score

10^/10

formbook sy52 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

sy52

Decoy

wxxj.asia

emu-oil.online

theprogressiontalks.com

saigonvape.com

cb257.pro

inucana.com

xn--pdr89n.vip

vtc.bzh

connexionsink.com

mastersofthevibes.com

mallsetuae.shop

bellaandbling.com

wagi88.one

273618.bid

japanvietnam-mall.com

lkd1t.rest

oflgjgiq.xyz

calliblography.com

idz8u.vip

marrybears.com

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2664-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2664-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2664-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2584-25-0x0000000000090000-0x00000000000BF000-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
2752	powershell.exe

Deletes itself 1 IoCs

pid	Process
2008	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2852 set thread context of 2664	2852	Pedido de Cotação - RFQ 31072024_Lista comercial.exe	32
PID 2664 set thread context of 1200	2664	Pedido de Cotação - RFQ 31072024_Lista comercial.exe	21
PID 2664 set thread context of 1200	2664	Pedido de Cotação - RFQ 31072024_Lista comercial.exe	21
PID 2584 set thread context of 1200	2584	cmstp.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 4 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Pedido de Cotação - RFQ 31072024_Lista comercial.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2852	Pedido de Cotação - RFQ 31072024_Lista comercial.exe
2852	Pedido de Cotação - RFQ 31072024_Lista comercial.exe
2664	Pedido de Cotação - RFQ 31072024_Lista comercial.exe
2664	Pedido de Cotação - RFQ 31072024_Lista comercial.exe
2752	powershell.exe
2664	Pedido de Cotação - RFQ 31072024_Lista comercial.exe
2584	cmstp.exe
2584	cmstp.exe
2584	cmstp.exe
2584	cmstp.exe
2584	cmstp.exe
2584	cmstp.exe
2584	cmstp.exe
2584	cmstp.exe
2584	cmstp.exe
2584	cmstp.exe
2584	cmstp.exe
2584	cmstp.exe
2584	cmstp.exe
2584	cmstp.exe
2584	cmstp.exe
2584	cmstp.exe
2584	cmstp.exe
2584	cmstp.exe
2584	cmstp.exe
2584	cmstp.exe
2584	cmstp.exe
2584	cmstp.exe
2584	cmstp.exe
2584	cmstp.exe
2584	cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2664	Pedido de Cotação - RFQ 31072024_Lista comercial.exe
2664	Pedido de Cotação - RFQ 31072024_Lista comercial.exe
2664	Pedido de Cotação - RFQ 31072024_Lista comercial.exe
2664	Pedido de Cotação - RFQ 31072024_Lista comercial.exe
2584	cmstp.exe
2584	cmstp.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2852	Pedido de Cotação - RFQ 31072024_Lista comercial.exe
Token: SeDebugPrivilege	2664	Pedido de Cotação - RFQ 31072024_Lista comercial.exe
Token: SeDebugPrivilege	2752	powershell.exe
Token: SeDebugPrivilege	2584	cmstp.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 2752	2852	Pedido de Cotação - RFQ 31072024_Lista comercial.exe	30
PID 2852 wrote to memory of 2752	2852	Pedido de Cotação - RFQ 31072024_Lista comercial.exe	30
PID 2852 wrote to memory of 2752	2852	Pedido de Cotação - RFQ 31072024_Lista comercial.exe	30
PID 2852 wrote to memory of 2752	2852	Pedido de Cotação - RFQ 31072024_Lista comercial.exe	30
PID 2852 wrote to memory of 2664	2852	Pedido de Cotação - RFQ 31072024_Lista comercial.exe	32
PID 2852 wrote to memory of 2664	2852	Pedido de Cotação - RFQ 31072024_Lista comercial.exe	32
PID 2852 wrote to memory of 2664	2852	Pedido de Cotação - RFQ 31072024_Lista comercial.exe	32
PID 2852 wrote to memory of 2664	2852	Pedido de Cotação - RFQ 31072024_Lista comercial.exe	32
PID 2852 wrote to memory of 2664	2852	Pedido de Cotação - RFQ 31072024_Lista comercial.exe	32
PID 2852 wrote to memory of 2664	2852	Pedido de Cotação - RFQ 31072024_Lista comercial.exe	32
PID 2852 wrote to memory of 2664	2852	Pedido de Cotação - RFQ 31072024_Lista comercial.exe	32
PID 1200 wrote to memory of 2584	1200	Explorer.EXE	33
PID 1200 wrote to memory of 2584	1200	Explorer.EXE	33
PID 1200 wrote to memory of 2584	1200	Explorer.EXE	33
PID 1200 wrote to memory of 2584	1200	Explorer.EXE	33
PID 1200 wrote to memory of 2584	1200	Explorer.EXE	33
PID 1200 wrote to memory of 2584	1200	Explorer.EXE	33
PID 1200 wrote to memory of 2584	1200	Explorer.EXE	33
PID 2584 wrote to memory of 2008	2584	cmstp.exe	34
PID 2584 wrote to memory of 2008	2584	cmstp.exe	34
PID 2584 wrote to memory of 2008	2584	cmstp.exe	34
PID 2584 wrote to memory of 2008	2584	cmstp.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Local\Temp\Pedido de Cotação - RFQ 31072024_Lista comercial.exe
  "C:\Users\Admin\AppData\Local\Temp\Pedido de Cotação - RFQ 31072024_Lista comercial.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2852
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Pedido de Cotação - RFQ 31072024_Lista comercial.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2752
- - C:\Users\Admin\AppData\Local\Temp\Pedido de Cotação - RFQ 31072024_Lista comercial.exe
    "C:\Users\Admin\AppData\Local\Temp\Pedido de Cotação - RFQ 31072024_Lista comercial.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2664
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:2584
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\Pedido de Cotação - RFQ 31072024_Lista comercial.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

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

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Downloads

memory/1200-17-0x0000000004FA0000-0x0000000005055000-memory.dmp

Filesize
724KB

Download
memory/1200-28-0x0000000004FA0000-0x0000000005055000-memory.dmp

Filesize
724KB

Download
memory/2584-25-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/2584-24-0x0000000000990000-0x00000000009A8000-memory.dmp

Filesize
96KB

Download
memory/2664-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2664-16-0x0000000000180000-0x0000000000195000-memory.dmp

Filesize
84KB

Download
memory/2664-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2664-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2664-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2664-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2664-13-0x0000000000AC0000-0x0000000000DC3000-memory.dmp

Filesize
3.0MB

Download
memory/2664-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2852-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

Filesize
4KB

Download
memory/2852-4-0x00000000004E0000-0x00000000004EE000-memory.dmp

Filesize
56KB

Download
memory/2852-18-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2852-5-0x0000000000C60000-0x0000000000CD6000-memory.dmp

Filesize
472KB

Download
memory/2852-3-0x0000000000490000-0x00000000004A6000-memory.dmp

Filesize
88KB

Download
memory/2852-2-0x0000000074AC0000-0x00000000751AE000-memory.dmp

Filesize
6.9MB

Download
memory/2852-1-0x0000000001330000-0x00000000013D0000-memory.dmp

Filesize
640KB

Download

Analysis

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