formbook | 676e4dc7f22754ad4bc78e4eff5e6df0a66461e5e6c76fd35b1cd50f099f2aff

General

Target

676e4dc7f22754ad4bc78e4eff5e6df0a66461e5e6c76fd35b1cd50f099f2aff.exe
Size

597KB
MD5

393af8f9bd1d87aeba174a372501226d
SHA1

bcabfbb12455a619b9e9432bfbeaa8b21a54d2bb
SHA256

676e4dc7f22754ad4bc78e4eff5e6df0a66461e5e6c76fd35b1cd50f099f2aff
SHA512

b24f18a75e9be49940005f453ec043f27624387a2d151269b5edec598ca9ac886b30381d200173251020bd2451b4f99cb62187889f723421d73e828d1b13f793
SSDEEP

12288:kdjpM7DmTGmyn7Ox9CnrOX7jqil2N8JL168bQbW:Ap4Df7OSrOLj6kPI

Score

10^/10

formbook btrd discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

btrd

Decoy

everslane.com

prairieviewelectric.online

dszvhgd.com

papamuch.com

8129k.vip

jeffreestar.gold

bestguestrentals.com

nvzhuang1.net

anangtoto.com

yxfgor.top

practicalpoppers.com

thebestanglephotography.online

koormm.top

criika.net

audioflow.online

380747.net

jiuguanwang.net

bloxequities.com

v321c.com

sugar.monster

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/2432-12-0x0000000000400000-0x000000000042F000-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
2676	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2372 set thread context of 2432	2372	676e4dc7f22754ad4bc78e4eff5e6df0a66461e5e6c76fd35b1cd50f099f2aff.exe	33

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 2 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	676e4dc7f22754ad4bc78e4eff5e6df0a66461e5e6c76fd35b1cd50f099f2aff.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2432	676e4dc7f22754ad4bc78e4eff5e6df0a66461e5e6c76fd35b1cd50f099f2aff.exe
2676	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2676	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2676	2372	676e4dc7f22754ad4bc78e4eff5e6df0a66461e5e6c76fd35b1cd50f099f2aff.exe	31
PID 2372 wrote to memory of 2676	2372	676e4dc7f22754ad4bc78e4eff5e6df0a66461e5e6c76fd35b1cd50f099f2aff.exe	31
PID 2372 wrote to memory of 2676	2372	676e4dc7f22754ad4bc78e4eff5e6df0a66461e5e6c76fd35b1cd50f099f2aff.exe	31
PID 2372 wrote to memory of 2676	2372	676e4dc7f22754ad4bc78e4eff5e6df0a66461e5e6c76fd35b1cd50f099f2aff.exe	31
PID 2372 wrote to memory of 2432	2372	676e4dc7f22754ad4bc78e4eff5e6df0a66461e5e6c76fd35b1cd50f099f2aff.exe	33
PID 2372 wrote to memory of 2432	2372	676e4dc7f22754ad4bc78e4eff5e6df0a66461e5e6c76fd35b1cd50f099f2aff.exe	33
PID 2372 wrote to memory of 2432	2372	676e4dc7f22754ad4bc78e4eff5e6df0a66461e5e6c76fd35b1cd50f099f2aff.exe	33
PID 2372 wrote to memory of 2432	2372	676e4dc7f22754ad4bc78e4eff5e6df0a66461e5e6c76fd35b1cd50f099f2aff.exe	33
PID 2372 wrote to memory of 2432	2372	676e4dc7f22754ad4bc78e4eff5e6df0a66461e5e6c76fd35b1cd50f099f2aff.exe	33
PID 2372 wrote to memory of 2432	2372	676e4dc7f22754ad4bc78e4eff5e6df0a66461e5e6c76fd35b1cd50f099f2aff.exe	33
PID 2372 wrote to memory of 2432	2372	676e4dc7f22754ad4bc78e4eff5e6df0a66461e5e6c76fd35b1cd50f099f2aff.exe	33

C:\Users\Admin\AppData\Local\Temp\676e4dc7f22754ad4bc78e4eff5e6df0a66461e5e6c76fd35b1cd50f099f2aff.exe
"C:\Users\Admin\AppData\Local\Temp\676e4dc7f22754ad4bc78e4eff5e6df0a66461e5e6c76fd35b1cd50f099f2aff.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- 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\676e4dc7f22754ad4bc78e4eff5e6df0a66461e5e6c76fd35b1cd50f099f2aff.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2676
- C:\Users\Admin\AppData\Local\Temp\676e4dc7f22754ad4bc78e4eff5e6df0a66461e5e6c76fd35b1cd50f099f2aff.exe
  "C:\Users\Admin\AppData\Local\Temp\676e4dc7f22754ad4bc78e4eff5e6df0a66461e5e6c76fd35b1cd50f099f2aff.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2432

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/2372-0-0x000000007480E000-0x000000007480F000-memory.dmp

Filesize
4KB

Download
memory/2372-1-0x0000000000180000-0x000000000021C000-memory.dmp

Filesize
624KB

Download
memory/2372-2-0x0000000074800000-0x0000000074EEE000-memory.dmp

Filesize
6.9MB

Download
memory/2372-3-0x0000000000330000-0x0000000000342000-memory.dmp

Filesize
72KB

Download
memory/2372-4-0x000000007480E000-0x000000007480F000-memory.dmp

Filesize
4KB

Download
memory/2372-5-0x0000000074800000-0x0000000074EEE000-memory.dmp

Filesize
6.9MB

Download
memory/2372-6-0x00000000054A0000-0x0000000005516000-memory.dmp

Filesize
472KB

Download
memory/2372-13-0x0000000074800000-0x0000000074EEE000-memory.dmp

Filesize
6.9MB

Download
memory/2432-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2432-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2432-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2432-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2432-14-0x00000000009E0000-0x0000000000CE3000-memory.dmp

Filesize
3.0MB

Download

Analysis

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