formbook | 6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73

General

Target

6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73.exe
Size

694KB
MD5

f3d56b554859a4a95b7a40e4852ad1c7
SHA1

a1bfad4910a4fcee43773bf8f6c82609ca1ed8e4
SHA256

6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73
SHA512

4fada994bacac73bed6cf94dd0b6f9f6aebe2104068cc5bc7d4649045c16feb74e4f594c3c4515c210b5be29bc6fafd6c5f589e86a86765c3cc67521da921e3d
SSDEEP

12288:V0FtqfszbWLfl/TDraQ6arq2eaTmmS7f5oiMawxmexfF8PeobmoJ+:VYUsvWVTDraiTi5zvwxrT8Peobmc+

Score

10^/10

formbook bc01 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bc01

Decoy

epatitis-treatment-26155.bond

52cy67sk.bond

nline-degree-6987776.world

ingxingdiandeng-2033.top

mberbreeze.cyou

48xc300mw.autos

obs-for-seniors-39582.bond

tpetersburg-3-tonn.online

egafon-parser.online

172jh.shop

ltraman.pro

bqfhnys.shop

ntercash24-cad.homes

uhtwister.cloud

alk-in-tubs-27353.bond

ucas-saaad.buzz

oko.events

8080713.xyz

refabricated-homes-74404.bond

inaa.boo

Signatures

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

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/2820-11-0x0000000000400000-0x000000000042F000-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
2932	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 572 set thread context of 2820	572	6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73.exe	31

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	6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2820	6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73.exe
2932	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2932	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 572 wrote to memory of 2932	572	6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73.exe	29
PID 572 wrote to memory of 2932	572	6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73.exe	29
PID 572 wrote to memory of 2932	572	6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73.exe	29
PID 572 wrote to memory of 2932	572	6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73.exe	29
PID 572 wrote to memory of 2820	572	6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73.exe	31
PID 572 wrote to memory of 2820	572	6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73.exe	31
PID 572 wrote to memory of 2820	572	6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73.exe	31
PID 572 wrote to memory of 2820	572	6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73.exe	31
PID 572 wrote to memory of 2820	572	6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73.exe	31
PID 572 wrote to memory of 2820	572	6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73.exe	31
PID 572 wrote to memory of 2820	572	6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73.exe	31

C:\Users\Admin\AppData\Local\Temp\6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73.exe
"C:\Users\Admin\AppData\Local\Temp\6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:572
- 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\6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2932
- C:\Users\Admin\AppData\Local\Temp\6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73.exe
  "C:\Users\Admin\AppData\Local\Temp\6c2cf6bf017b8e9c8731b0b0bc1ddfd20c14e381d5282832d5646ac29158cf73.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2820

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

Loading Replay Monitor...

Downloads

memory/572-6-0x0000000005EC0000-0x0000000005F3A000-memory.dmp

Filesize
488KB

Download
memory/572-1-0x0000000000960000-0x0000000000A14000-memory.dmp

Filesize
720KB

Download
memory/572-2-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/572-3-0x00000000005B0000-0x00000000005CE000-memory.dmp

Filesize
120KB

Download
memory/572-4-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/572-5-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/572-0-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/572-12-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2820-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2820-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2820-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2820-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2820-15-0x0000000000BB0000-0x0000000000EB3000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing