formbook | b7c048465cfc09a8649043c0571a84d1edff4a8509e80dc55470fbbc83f0c618

Analysis

max time kernel
146s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-12-2024 02:21

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General

Target

b7c048465cfc09a8649043c0571a84d1edff4a8509e80dc55470fbbc83f0c618.exe
Size

550KB
MD5

304ae39e62244a946e1cef21393fe3b7
SHA1

6157b6191e3df5d1a01776cadd0e3988e7597bc8
SHA256

b7c048465cfc09a8649043c0571a84d1edff4a8509e80dc55470fbbc83f0c618
SHA512

8d765cc52575334ecf36256eb8ce0c6a2061b43b0d959888542111859b864cbe4227fdbb567a5db881fc97b1e19999e0c57b3b4cd875eea9264ea4715a2234ed
SSDEEP

12288:5MUgm/3dE/fGiCNGiTVTsdrE0V92fO/lk9onzNXxn2ive:5M2//iCRSdrZV92f79onzNXEive

Score

10^/10

formbook giok discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

giok

Decoy

royaltysplit.xyz

home-remodeling-32327.bond

ocosoap.download

mx51pbk5z3.top

sapidermen154.buzz

always23082025.info

jencodiahcp.net

psychologist-therapy-13104.bond

okigoods.online

posedon.online

ryclegalpartners.info

seek-zapatosenlinea-cl.info

xataa.info

vitalityyvault.online

hallice732.xyz

snspleak.info

ilbrentdigitalx.info

breast-implants-17988.bond

subedisaurav.site

instamoney.website

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
behavioral2/memory/768-4-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/768-7-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4284-14-0x0000000000120000-0x000000000014F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3676 set thread context of 768	3676	b7c048465cfc09a8649043c0571a84d1edff4a8509e80dc55470fbbc83f0c618.exe	84
PID 768 set thread context of 3436	768	aspnet_wp.exe	56
PID 4284 set thread context of 3436	4284	svchost.exe	56

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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
768	aspnet_wp.exe
768	aspnet_wp.exe
768	aspnet_wp.exe
768	aspnet_wp.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe
4284	svchost.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
768	aspnet_wp.exe
768	aspnet_wp.exe
768	aspnet_wp.exe
4284	svchost.exe
4284	svchost.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	3676	b7c048465cfc09a8649043c0571a84d1edff4a8509e80dc55470fbbc83f0c618.exe
Token: SeDebugPrivilege	768	aspnet_wp.exe
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeDebugPrivilege	4284	svchost.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3676 wrote to memory of 768	3676	b7c048465cfc09a8649043c0571a84d1edff4a8509e80dc55470fbbc83f0c618.exe	84
PID 3676 wrote to memory of 768	3676	b7c048465cfc09a8649043c0571a84d1edff4a8509e80dc55470fbbc83f0c618.exe	84
PID 3676 wrote to memory of 768	3676	b7c048465cfc09a8649043c0571a84d1edff4a8509e80dc55470fbbc83f0c618.exe	84
PID 3676 wrote to memory of 768	3676	b7c048465cfc09a8649043c0571a84d1edff4a8509e80dc55470fbbc83f0c618.exe	84
PID 3676 wrote to memory of 768	3676	b7c048465cfc09a8649043c0571a84d1edff4a8509e80dc55470fbbc83f0c618.exe	84
PID 3676 wrote to memory of 768	3676	b7c048465cfc09a8649043c0571a84d1edff4a8509e80dc55470fbbc83f0c618.exe	84
PID 3676 wrote to memory of 3760	3676	b7c048465cfc09a8649043c0571a84d1edff4a8509e80dc55470fbbc83f0c618.exe	85
PID 3676 wrote to memory of 3760	3676	b7c048465cfc09a8649043c0571a84d1edff4a8509e80dc55470fbbc83f0c618.exe	85
PID 3676 wrote to memory of 3760	3676	b7c048465cfc09a8649043c0571a84d1edff4a8509e80dc55470fbbc83f0c618.exe	85
PID 3436 wrote to memory of 4284	3436	Explorer.EXE	89
PID 3436 wrote to memory of 4284	3436	Explorer.EXE	89
PID 3436 wrote to memory of 4284	3436	Explorer.EXE	89
PID 4284 wrote to memory of 3448	4284	svchost.exe	91
PID 4284 wrote to memory of 3448	4284	svchost.exe	91
PID 4284 wrote to memory of 3448	4284	svchost.exe	91

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3436
- C:\Users\Admin\AppData\Local\Temp\b7c048465cfc09a8649043c0571a84d1edff4a8509e80dc55470fbbc83f0c618.exe
  "C:\Users\Admin\AppData\Local\Temp\b7c048465cfc09a8649043c0571a84d1edff4a8509e80dc55470fbbc83f0c618.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3676
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:768
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
    3⤵
    PID:3760
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\SysWOW64\svchost.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4284
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_wp.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3448

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

Replay Monitor

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Downloads

memory/768-4-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/768-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/768-8-0x00000000009E0000-0x00000000009F5000-memory.dmp

Filesize
84KB

Download
memory/768-5-0x0000000001140000-0x000000000148A000-memory.dmp

Filesize
3.3MB

Download
memory/3436-9-0x0000000007F80000-0x0000000008098000-memory.dmp

Filesize
1.1MB

Download
memory/3436-15-0x0000000007F80000-0x0000000008098000-memory.dmp

Filesize
1.1MB

Download
memory/3436-18-0x0000000008180000-0x0000000008278000-memory.dmp

Filesize
992KB

Download
memory/3436-20-0x0000000008180000-0x0000000008278000-memory.dmp

Filesize
992KB

Download
memory/3436-21-0x0000000008180000-0x0000000008278000-memory.dmp

Filesize
992KB

Download
memory/3676-3-0x00007FFC7FDF0000-0x00007FFC808B1000-memory.dmp

Filesize
10.8MB

Download
memory/3676-2-0x000001B9D2AC0000-0x000001B9D2B48000-memory.dmp

Filesize
544KB

Download
memory/3676-1-0x000001B9B8590000-0x000001B9B861C000-memory.dmp

Filesize
560KB

Download
memory/3676-0-0x00007FFC7FDF3000-0x00007FFC7FDF5000-memory.dmp

Filesize
8KB

Download
memory/3676-10-0x00007FFC7FDF0000-0x00007FFC808B1000-memory.dmp

Filesize
10.8MB

Download
memory/4284-13-0x0000000000370000-0x000000000037E000-memory.dmp

Filesize
56KB

Download
memory/4284-11-0x0000000000370000-0x000000000037E000-memory.dmp

Filesize
56KB

Download
memory/4284-14-0x0000000000120000-0x000000000014F000-memory.dmp

Filesize
188KB

Download