formbook | 23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e

General

Target

23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe
Size

726KB
MD5

88153ac6837f5034a7ab44259c90f4dd
SHA1

90085bacffa3b6a75252f9e06af2d7ac54886e75
SHA256

23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e
SHA512

fc5fa3bc1ad16fa3e1e8988253da0479b9235c7d051d82cde50e3da6ca95acff6d20483b4dc52778015f2344cc1edca68e9b184f8f507479b3ada5bf594be8cc
SSDEEP

12288:MOX2iRzjEZ3eBNdQ6LN5LD8MYoSrwb+dpXeboencW3:MOmYzwIBDRjLHY7rhXeDncW3

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

Processes:

resource	yara_rule
behavioral1/memory/2868-14-0x0000000000400000-0x000000000042F000-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

Processes:

powershell.exe

pid	Process
2828	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe

description	pid	Process	procid_target
PID 2244 set thread context of 2868	2244	23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.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

Processes:

23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exepowershell.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exepowershell.exe

pid	Process
2244	23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe
2244	23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe
2868	23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe
2828	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exepowershell.exe

description	pid	Process
Token: SeDebugPrivilege	2244	23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe
Token: SeDebugPrivilege	2828	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe

description	pid	Process	procid_target
PID 2244 wrote to memory of 2828	2244	23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe	30
PID 2244 wrote to memory of 2828	2244	23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe	30
PID 2244 wrote to memory of 2828	2244	23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe	30
PID 2244 wrote to memory of 2828	2244	23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe	30
PID 2244 wrote to memory of 2968	2244	23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe	32
PID 2244 wrote to memory of 2968	2244	23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe	32
PID 2244 wrote to memory of 2968	2244	23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe	32
PID 2244 wrote to memory of 2968	2244	23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe	32
PID 2244 wrote to memory of 2868	2244	23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe	33
PID 2244 wrote to memory of 2868	2244	23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe	33
PID 2244 wrote to memory of 2868	2244	23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe	33
PID 2244 wrote to memory of 2868	2244	23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe	33
PID 2244 wrote to memory of 2868	2244	23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe	33
PID 2244 wrote to memory of 2868	2244	23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe	33
PID 2244 wrote to memory of 2868	2244	23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe	33

C:\Users\Admin\AppData\Local\Temp\23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe
"C:\Users\Admin\AppData\Local\Temp\23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2244
- 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\23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2828
- C:\Users\Admin\AppData\Local\Temp\23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe
  "C:\Users\Admin\AppData\Local\Temp\23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe"
  2⤵
  PID:2968
- C:\Users\Admin\AppData\Local\Temp\23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe
  "C:\Users\Admin\AppData\Local\Temp\23bc8acbb8a1e716512ac2ea9426d3fc46938cccac426f344c0314aafb17769e.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2868

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

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Downloads

memory/2244-6-0x0000000000670000-0x00000000006E6000-memory.dmp

Filesize
472KB

Download
memory/2244-1-0x00000000000C0000-0x000000000017C000-memory.dmp

Filesize
752KB

Download
memory/2244-2-0x0000000073C30000-0x000000007431E000-memory.dmp

Filesize
6.9MB

Download
memory/2244-3-0x0000000000710000-0x000000000072C000-memory.dmp

Filesize
112KB

Download
memory/2244-4-0x0000000073C3E000-0x0000000073C3F000-memory.dmp

Filesize
4KB

Download
memory/2244-5-0x0000000073C30000-0x000000007431E000-memory.dmp

Filesize
6.9MB

Download
memory/2244-0-0x0000000073C3E000-0x0000000073C3F000-memory.dmp

Filesize
4KB

Download
memory/2244-16-0x0000000073C30000-0x000000007431E000-memory.dmp

Filesize
6.9MB

Download
memory/2868-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2868-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2868-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2868-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2868-15-0x00000000008D0000-0x0000000000BD3000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads