formbook | 6c8d3eeb828fd2d8331723f094d63cd8dde38b527e85093c7ec174a155737e5b

General

Target

DB0MQH2W1 PDF.exe
Size

710KB
MD5

c9de4efbd45443689be964efe4c3efeb
SHA1

29685a41001337c41765813fec0f08051869a9f3
SHA256

c48fc76802291b6dfc8a465f7f164bf9a96c547442159b47e1f3bbca43e38902
SHA512

d13ae5fc2f8d5fb6f48185cf3164ea38ffff3c22652069befdaef7693ed8249b1e1e0a093286a47aa05d59131e557ed95bd5b25e4fd2c3bf4e9ad1e101a6a85a
SSDEEP

12288:yTFYJW0QysGxLuyNJwFyf5LzSpTC471YYig6qIT3sKwQ4svzfy6ExoPkMG2AK:eYJW0QyhwMKTCaSoIT37wQpvz1yocMf

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 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2712-11-0x0000000000400000-0x000000000042F000-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
2064	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2072 set thread context of 2712	2072	DB0MQH2W1 PDF.exe	34

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2476	2712	WerFault.exe	34

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DB0MQH2W1 PDF.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2072	DB0MQH2W1 PDF.exe
2072	DB0MQH2W1 PDF.exe
2064	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2072	DB0MQH2W1 PDF.exe
Token: SeDebugPrivilege	2064	powershell.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 2064	2072	DB0MQH2W1 PDF.exe	31
PID 2072 wrote to memory of 2064	2072	DB0MQH2W1 PDF.exe	31
PID 2072 wrote to memory of 2064	2072	DB0MQH2W1 PDF.exe	31
PID 2072 wrote to memory of 2064	2072	DB0MQH2W1 PDF.exe	31
PID 2072 wrote to memory of 2112	2072	DB0MQH2W1 PDF.exe	32
PID 2072 wrote to memory of 2112	2072	DB0MQH2W1 PDF.exe	32
PID 2072 wrote to memory of 2112	2072	DB0MQH2W1 PDF.exe	32
PID 2072 wrote to memory of 2112	2072	DB0MQH2W1 PDF.exe	32
PID 2072 wrote to memory of 2712	2072	DB0MQH2W1 PDF.exe	34
PID 2072 wrote to memory of 2712	2072	DB0MQH2W1 PDF.exe	34
PID 2072 wrote to memory of 2712	2072	DB0MQH2W1 PDF.exe	34
PID 2072 wrote to memory of 2712	2072	DB0MQH2W1 PDF.exe	34
PID 2072 wrote to memory of 2712	2072	DB0MQH2W1 PDF.exe	34
PID 2072 wrote to memory of 2712	2072	DB0MQH2W1 PDF.exe	34
PID 2072 wrote to memory of 2712	2072	DB0MQH2W1 PDF.exe	34
PID 2712 wrote to memory of 2476	2712	MSBuild.exe	35
PID 2712 wrote to memory of 2476	2712	MSBuild.exe	35
PID 2712 wrote to memory of 2476	2712	MSBuild.exe	35
PID 2712 wrote to memory of 2476	2712	MSBuild.exe	35

C:\Users\Admin\AppData\Local\Temp\DB0MQH2W1 PDF.exe
"C:\Users\Admin\AppData\Local\Temp\DB0MQH2W1 PDF.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2072
- 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\DB0MQH2W1 PDF.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2064
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2112
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2712
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 36
    3⤵
    - Program crash
    PID:2476

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/2072-0-0x000000007412E000-0x000000007412F000-memory.dmp

Filesize
4KB

Download
memory/2072-1-0x0000000000020000-0x00000000000D6000-memory.dmp

Filesize
728KB

Download
memory/2072-2-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/2072-3-0x0000000000850000-0x000000000086C000-memory.dmp

Filesize
112KB

Download
memory/2072-4-0x000000007412E000-0x000000007412F000-memory.dmp

Filesize
4KB

Download
memory/2072-5-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/2072-6-0x0000000005370000-0x00000000053E6000-memory.dmp

Filesize
472KB

Download
memory/2072-12-0x0000000074120000-0x000000007480E000-memory.dmp

Filesize
6.9MB

Download
memory/2712-10-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2712-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2712-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2712-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

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