formbook | 6dfa80efaa115613c488b77eb4c28f7ebb4bf93c6f1c52d4485e4407cbac726a

Analysis

max time kernel
598s
max time network
598s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2025 11:04

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

BHYZIOPNB.exe
Size

855KB
MD5

1995c1e359856aaf53620ccff5d910ee
SHA1

e0250072098be31deee9729f5d1da5d9815f1d88
SHA256

09e1019a2424f76e3511d2224eb8e09a80b0400d571e0d0393d0cf33df603a9c
SHA512

8a5bb5afb3a98ddb839d8616465d2c16e38c7e108c0e12e00835716c177215511cb0339825a223e37046dd51a8540b4c74ce0012de745a12fa15b55f9eb58d61
SSDEEP

12288:6jjm/7QG8h3WX9GPlqmTG/HVuYSk2/YEZA3zzu0YzYzLJqTX:Ek7QTmYy/EYSZRZADz7pA

Score

10^/10

formbook pgnt discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Campaign

pgnt

Decoy

0WG18LbM4lR9iqMRa4nlBzTb

jcfGYzPgZTqFZVO9FV2yIw==

laIfrdSC8/4CNg==

Q73ilev5GIWuOrAAFV2yIw==

Q2u/pMw7pv4sPA==

TbqvIUHwlQscPo0HFV2yIw==

8PNWfGPyE8n0IQ==

WtgROxXzvY2L

PryaRBNjm4eP

Y9Hdi06Cry1um9Sj68YAu1o=

3Gulyp7CMQtR78jvLkk=

JJ3GasTVTCRQT6Tfz6S6GlI=

RnS42bhb9tI0R6UpD6wOxriNxw==

he1mi2sOGfzTRGHnuA==

eaYjCtjxVjdU5XLRtBMBLKk9quA=

k9rTeEqYzzw8WaTfz6S6GlI=

5luVQwe2vJWKEAiMdF4=

MGW14L9OVk5Y5TaR6w/DqdhYxXVY

mAsYz6k6sQkDC0/DoHj9t1RPWLSgFQ==

y5klhuMbE8n0IQ==

Signatures

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

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1332 set thread context of 4536	1332	BHYZIOPNB.exe	83
PID 4536 set thread context of 3448	4536	Regsvcs.exe	56
PID 4536 set thread context of 3448	4536	Regsvcs.exe	56
PID 2340 set thread context of 3448	2340	NETSTAT.EXE	56

System Location Discovery: System Language Discovery 1 TTPs 1 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	NETSTAT.EXE

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2340	NETSTAT.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4536	Regsvcs.exe
4536	Regsvcs.exe
4536	Regsvcs.exe
4536	Regsvcs.exe
4536	Regsvcs.exe
4536	Regsvcs.exe
4536	Regsvcs.exe
4536	Regsvcs.exe
4536	Regsvcs.exe
4536	Regsvcs.exe
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3448	Explorer.EXE

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
4536	Regsvcs.exe
4536	Regsvcs.exe
4536	Regsvcs.exe
4536	Regsvcs.exe
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE
2340	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 20 IoCs

description	pid	Process
Token: SeDebugPrivilege	4536	Regsvcs.exe
Token: SeDebugPrivilege	2340	NETSTAT.EXE
Token: SeShutdownPrivilege	3448	Explorer.EXE
Token: SeCreatePagefilePrivilege	3448	Explorer.EXE
Token: SeShutdownPrivilege	3448	Explorer.EXE
Token: SeCreatePagefilePrivilege	3448	Explorer.EXE
Token: SeShutdownPrivilege	3448	Explorer.EXE
Token: SeCreatePagefilePrivilege	3448	Explorer.EXE
Token: SeShutdownPrivilege	3448	Explorer.EXE
Token: SeCreatePagefilePrivilege	3448	Explorer.EXE
Token: SeShutdownPrivilege	3448	Explorer.EXE
Token: SeCreatePagefilePrivilege	3448	Explorer.EXE
Token: SeShutdownPrivilege	3448	Explorer.EXE
Token: SeCreatePagefilePrivilege	3448	Explorer.EXE
Token: SeShutdownPrivilege	3448	Explorer.EXE
Token: SeCreatePagefilePrivilege	3448	Explorer.EXE
Token: SeShutdownPrivilege	3448	Explorer.EXE
Token: SeCreatePagefilePrivilege	3448	Explorer.EXE
Token: SeShutdownPrivilege	3448	Explorer.EXE
Token: SeCreatePagefilePrivilege	3448	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1332 wrote to memory of 4536	1332	BHYZIOPNB.exe	83
PID 1332 wrote to memory of 4536	1332	BHYZIOPNB.exe	83
PID 1332 wrote to memory of 4536	1332	BHYZIOPNB.exe	83
PID 1332 wrote to memory of 4536	1332	BHYZIOPNB.exe	83
PID 1332 wrote to memory of 4536	1332	BHYZIOPNB.exe	83
PID 1332 wrote to memory of 4536	1332	BHYZIOPNB.exe	83
PID 3448 wrote to memory of 2340	3448	Explorer.EXE	92
PID 3448 wrote to memory of 2340	3448	Explorer.EXE	92
PID 3448 wrote to memory of 2340	3448	Explorer.EXE	92
PID 2340 wrote to memory of 4088	2340	NETSTAT.EXE	97
PID 2340 wrote to memory of 4088	2340	NETSTAT.EXE	97
PID 2340 wrote to memory of 4088	2340	NETSTAT.EXE	97

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3448
- C:\Users\Admin\AppData\Local\Temp\BHYZIOPNB.exe
  "C:\Users\Admin\AppData\Local\Temp\BHYZIOPNB.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1332
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regsvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regsvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4536
- C:\Windows\SysWOW64\NETSTAT.EXE
  "C:\Windows\SysWOW64\NETSTAT.EXE"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2340
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:4088

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1332-13-0x00007FFA395E0000-0x00007FFA3A0A1000-memory.dmp

Filesize
10.8MB

Download
memory/1332-2-0x0000022B28F20000-0x0000022B28F2A000-memory.dmp

Filesize
40KB

Download
memory/1332-0-0x00007FFA395E3000-0x00007FFA395E5000-memory.dmp

Filesize
8KB

Download
memory/1332-6-0x00007FFA395E0000-0x00007FFA3A0A1000-memory.dmp

Filesize
10.8MB

Download
memory/1332-1-0x0000022B28A90000-0x0000022B28B6C000-memory.dmp

Filesize
880KB

Download
memory/2340-19-0x0000000000C50000-0x0000000000C5B000-memory.dmp

Filesize
44KB

Download
memory/2340-18-0x0000000000C50000-0x0000000000C5B000-memory.dmp

Filesize
44KB

Download
memory/2340-20-0x0000000000CE0000-0x0000000000D0D000-memory.dmp

Filesize
180KB

Download
memory/3448-17-0x0000000008B50000-0x0000000008CC6000-memory.dmp

Filesize
1.5MB

Download
memory/3448-12-0x00000000034A0000-0x00000000035CC000-memory.dmp

Filesize
1.2MB

Download
memory/3448-22-0x0000000009080000-0x00000000091D6000-memory.dmp

Filesize
1.3MB

Download
memory/3448-21-0x0000000008B50000-0x0000000008CC6000-memory.dmp

Filesize
1.5MB

Download
memory/3448-24-0x0000000009080000-0x00000000091D6000-memory.dmp

Filesize
1.3MB

Download
memory/3448-25-0x0000000009080000-0x00000000091D6000-memory.dmp

Filesize
1.3MB

Download
memory/4536-8-0x0000000000EE0000-0x000000000122A000-memory.dmp

Filesize
3.3MB

Download
memory/4536-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4536-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4536-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4536-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4536-11-0x00000000005F0000-0x0000000000600000-memory.dmp

Filesize
64KB

Download
memory/4536-16-0x0000000000EB0000-0x0000000000EC0000-memory.dmp

Filesize
64KB

Download