formbook | ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7

General

Target

ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7.exe
Size

722KB
MD5

07055b5c25983542e28e73e03e4e9e59
SHA1

ada64e9c68e8d508fefb1ccb57273b28aa23814b
SHA256

ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7
SHA512

6ce52ac945cea8e396e30838b77a06c20fb6b739dd4bafd9dd8f88ad37dee52f54035d5088f67be71eea46adda2a3c5e92929392f2ff93fb0bbe202f1105e06d
SSDEEP

12288:045J6WhRSUunBIag+tpYXfkv7I3OqJ+lAaHp1MnEHqpSb/gH+pt5oxWv:d6NnBo+vYvk7qJ5BEKsDo+Zoxm

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 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2772-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2772-16-0x0000000000980000-0x0000000000C83000-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
2732	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1872 set thread context of 2772	1872	ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7.exe	32

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	ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2772	ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7.exe
2732	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2732	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1872 wrote to memory of 2732	1872	ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7.exe	31
PID 1872 wrote to memory of 2732	1872	ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7.exe	31
PID 1872 wrote to memory of 2732	1872	ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7.exe	31
PID 1872 wrote to memory of 2732	1872	ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7.exe	31
PID 1872 wrote to memory of 2772	1872	ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7.exe	32
PID 1872 wrote to memory of 2772	1872	ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7.exe	32
PID 1872 wrote to memory of 2772	1872	ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7.exe	32
PID 1872 wrote to memory of 2772	1872	ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7.exe	32
PID 1872 wrote to memory of 2772	1872	ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7.exe	32
PID 1872 wrote to memory of 2772	1872	ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7.exe	32
PID 1872 wrote to memory of 2772	1872	ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7.exe	32

C:\Users\Admin\AppData\Local\Temp\ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7.exe
"C:\Users\Admin\AppData\Local\Temp\ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1872
- 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\ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2732
- C:\Users\Admin\AppData\Local\Temp\ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7.exe
  "C:\Users\Admin\AppData\Local\Temp\ece49e828c96a3cbc96535f04ef66109c997cb13a87850c4b66b3de0fd2818f7.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2772

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/1872-6-0x0000000000460000-0x00000000004D8000-memory.dmp

Filesize
480KB

Download
memory/1872-0-0x000000007423E000-0x000000007423F000-memory.dmp

Filesize
4KB

Download
memory/1872-2-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/1872-3-0x0000000000700000-0x0000000000726000-memory.dmp

Filesize
152KB

Download
memory/1872-4-0x000000007423E000-0x000000007423F000-memory.dmp

Filesize
4KB

Download
memory/1872-5-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/1872-1-0x0000000000140000-0x00000000001FA000-memory.dmp

Filesize
744KB

Download
memory/1872-12-0x0000000074230000-0x000000007491E000-memory.dmp

Filesize
6.9MB

Download
memory/2772-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2772-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2772-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2772-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2772-13-0x0000000000980000-0x0000000000C83000-memory.dmp

Filesize
3.0MB

Download
memory/2772-16-0x0000000000980000-0x0000000000C83000-memory.dmp

Filesize
3.0MB

Download

Analysis

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