formbook | f628fba1c3baac9d0485cf036248f3918a5c1f1741d18fb5c13f077f70e1ee11

Analysis

max time kernel
17s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 17:46

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General

Target

hmyvjhoqve.exe
Size

6KB
MD5

6b668312b1fc254abf6998f94b7698ad
SHA1

f6f70ca64564c0460bfd433c61d567e2188259fa
SHA256

12a5d66b2147569c4bb95fc174dd277b1e9ae75dbc3934075f22bace2246fe06
SHA512

4f637f37aa50f2f715a48650e1dfe22dbc36bcee71ac6abd6a3d84a349d6c0bdda591daceab8d981c91a25d1286f0e3d890496ac5243d3424b01bdf12d05a3ee
SSDEEP

96:3Igh8GC7hbTAW4IdpYEW+4oyn0Tv9u5bnx:4JGCr4IdpYF+4oyn04

Score

10^/10

formbook oi57 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

oi57

Decoy

brave-offers.com

holodeath.com

wangzhanlishi.com

themeparkoutfitters.com

7letterspro.com

n8u9hm.xyz

invoicemojo.com

quwokau.art

propertycaretaunton.co.uk

waterpurificationguys.com

iracingf3setups.com

socialbutterflyllc.com

bankid.site

alexscraftsmandesign.com

diamondshop.info

cybersamurai42.com

isippets.com

louareafantasy.com

thebookdealer.co.uk

les-celestines.com

Signatures

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

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral3/memory/1824-1-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral3/memory/1824-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral3/memory/1824-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2348 set thread context of 1824	2348	hmyvjhoqve.exe	30
PID 1824 set thread context of 1264	1824	hmyvjhoqve.exe	20
PID 1824 set thread context of 1264	1824	hmyvjhoqve.exe	20

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	hmyvjhoqve.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1824	hmyvjhoqve.exe
1824	hmyvjhoqve.exe
1824	hmyvjhoqve.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
2348	hmyvjhoqve.exe
1824	hmyvjhoqve.exe
1824	hmyvjhoqve.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1824	hmyvjhoqve.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 1824	2348	hmyvjhoqve.exe	30
PID 2348 wrote to memory of 1824	2348	hmyvjhoqve.exe	30
PID 2348 wrote to memory of 1824	2348	hmyvjhoqve.exe	30
PID 2348 wrote to memory of 1824	2348	hmyvjhoqve.exe	30
PID 2348 wrote to memory of 1824	2348	hmyvjhoqve.exe	30

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1264
- C:\Users\Admin\AppData\Local\Temp\hmyvjhoqve.exe
  "C:\Users\Admin\AppData\Local\Temp\hmyvjhoqve.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2348
- - C:\Users\Admin\AppData\Local\Temp\hmyvjhoqve.exe
    "C:\Users\Admin\AppData\Local\Temp\hmyvjhoqve.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1264-4-0x0000000006CC0000-0x0000000006E26000-memory.dmp

Filesize
1.4MB

Download
memory/1264-7-0x0000000006CC0000-0x0000000006E26000-memory.dmp

Filesize
1.4MB

Download
memory/1264-8-0x0000000005E50000-0x0000000005F1A000-memory.dmp

Filesize
808KB

Download
memory/1264-12-0x0000000005E50000-0x0000000005F1A000-memory.dmp

Filesize
808KB

Download
memory/1824-1-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1824-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1824-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2348-0-0x00000000002D0000-0x00000000002D2000-memory.dmp

Filesize
8KB

Download