formbook | 8b51e1c66c394812028ceeb8dba3c4d9ea76474ec55829de318353b0818e71e6

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 20:26

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General

Target

697864448562120dd68a9b3a4c36f294292626999e3c80d3217206544e3f91b1.exe
Size

304KB
MD5

60d9730a7f59ab1fd59f0714ef881b06
SHA1

ca8d63135460836a001a38b50c28eae975a2a36c
SHA256

697864448562120dd68a9b3a4c36f294292626999e3c80d3217206544e3f91b1
SHA512

ef6c2bb3fcb705da66416bee8191c9ec7f8992aef9bc5bc108742f15cfc132d2887062e3a85977b0ae005ea8796fb3670517da834534107454957209a851bac4
SSDEEP

6144:U5SuupRIxrjvwT97hu1nbuTnFlzFeVuQqJa64BUR3XR0Ah0eZXBp6bS0fhr8w:UghhwbuTFlzF0uQqCidR0AJrcS0fhr8w

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 4916 set thread context of 4748	4916	697864448562120dd68a9b3a4c36f294292626999e3c80d3217206544e3f91b1.exe	82
PID 4748 set thread context of 3452	4748	regsvcs.exe	54
PID 4748 set thread context of 3452	4748	regsvcs.exe	54
PID 1500 set thread context of 3452	1500	mstsc.exe	54

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	697864448562120dd68a9b3a4c36f294292626999e3c80d3217206544e3f91b1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstsc.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\Registry\User\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	mstsc.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4748	regsvcs.exe
4748	regsvcs.exe
4748	regsvcs.exe
4748	regsvcs.exe
4748	regsvcs.exe
4748	regsvcs.exe
4748	regsvcs.exe
4748	regsvcs.exe
4748	regsvcs.exe
4748	regsvcs.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe

Suspicious behavior: MapViewOfSection 8 IoCs

pid	Process
4748	regsvcs.exe
4748	regsvcs.exe
4748	regsvcs.exe
4748	regsvcs.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe
1500	mstsc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4748	regsvcs.exe
Token: SeDebugPrivilege	1500	mstsc.exe
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4916 wrote to memory of 4748	4916	697864448562120dd68a9b3a4c36f294292626999e3c80d3217206544e3f91b1.exe	82
PID 4916 wrote to memory of 4748	4916	697864448562120dd68a9b3a4c36f294292626999e3c80d3217206544e3f91b1.exe	82
PID 4916 wrote to memory of 4748	4916	697864448562120dd68a9b3a4c36f294292626999e3c80d3217206544e3f91b1.exe	82
PID 4916 wrote to memory of 4748	4916	697864448562120dd68a9b3a4c36f294292626999e3c80d3217206544e3f91b1.exe	82
PID 4916 wrote to memory of 4748	4916	697864448562120dd68a9b3a4c36f294292626999e3c80d3217206544e3f91b1.exe	82
PID 4916 wrote to memory of 4748	4916	697864448562120dd68a9b3a4c36f294292626999e3c80d3217206544e3f91b1.exe	82
PID 3452 wrote to memory of 1500	3452	Explorer.EXE	89
PID 3452 wrote to memory of 1500	3452	Explorer.EXE	89
PID 3452 wrote to memory of 1500	3452	Explorer.EXE	89
PID 1500 wrote to memory of 1312	1500	mstsc.exe	95
PID 1500 wrote to memory of 1312	1500	mstsc.exe	95
PID 1500 wrote to memory of 1312	1500	mstsc.exe	95

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3452
- C:\Users\Admin\AppData\Local\Temp\697864448562120dd68a9b3a4c36f294292626999e3c80d3217206544e3f91b1.exe
  "C:\Users\Admin\AppData\Local\Temp\697864448562120dd68a9b3a4c36f294292626999e3c80d3217206544e3f91b1.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4916
- - 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:4748
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:1644
- C:\Windows\SysWOW64\autochk.exe
  "C:\Windows\SysWOW64\autochk.exe"
  2⤵
  PID:2008
- C:\Windows\SysWOW64\mstsc.exe
  "C:\Windows\SysWOW64\mstsc.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1500
- - C:\Program Files\Mozilla Firefox\Firefox.exe
    "C:\Program Files\Mozilla Firefox\Firefox.exe"
    3⤵
    PID:1312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1500-19-0x0000000000EF0000-0x000000000102A000-memory.dmp

Filesize
1.2MB

Download
memory/1500-22-0x0000000000E00000-0x0000000000E2D000-memory.dmp

Filesize
180KB

Download
memory/1500-21-0x0000000000EF0000-0x000000000102A000-memory.dmp

Filesize
1.2MB

Download
memory/3452-13-0x0000000003370000-0x0000000003451000-memory.dmp

Filesize
900KB

Download
memory/3452-17-0x0000000008BE0000-0x0000000008C9A000-memory.dmp

Filesize
744KB

Download
memory/3452-29-0x0000000008CA0000-0x0000000008DDF000-memory.dmp

Filesize
1.2MB

Download
memory/3452-27-0x0000000008CA0000-0x0000000008DDF000-memory.dmp

Filesize
1.2MB

Download
memory/3452-26-0x0000000008CA0000-0x0000000008DDF000-memory.dmp

Filesize
1.2MB

Download
memory/3452-23-0x0000000008BE0000-0x0000000008C9A000-memory.dmp

Filesize
744KB

Download
memory/3452-18-0x0000000003370000-0x0000000003451000-memory.dmp

Filesize
900KB

Download
memory/4748-16-0x0000000002E90000-0x0000000002EA0000-memory.dmp

Filesize
64KB

Download
memory/4748-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4748-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4748-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4748-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4748-12-0x0000000001130000-0x0000000001140000-memory.dmp

Filesize
64KB

Download
memory/4748-9-0x0000000001170000-0x00000000014BA000-memory.dmp

Filesize
3.3MB

Download
memory/4916-0-0x00000000749CE000-0x00000000749CF000-memory.dmp

Filesize
4KB

Download
memory/4916-2-0x0000000002EA0000-0x0000000002EAA000-memory.dmp

Filesize
40KB

Download
memory/4916-1-0x0000000000B60000-0x0000000000BB2000-memory.dmp

Filesize
328KB

Download
memory/4916-8-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download
memory/4916-6-0x00000000749C0000-0x0000000075170000-memory.dmp

Filesize
7.7MB

Download