formbook | f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90

Analysis

max time kernel
148s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-11-2024 11:53

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General

Target

f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe
Size

1.0MB
MD5

46ae894f5929d9d18df1c3ba2f4e4d60
SHA1

c92fdc315100ac1c25e44fd289cbc8cbf7f13b7e
SHA256

f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90
SHA512

2689afe052aa3bdda590ef01eda54d085ab43b22103ec22d52bad5ef1e976de2a6f2b72866671b07788113708fb6bd1381d411e6f69f93638deb02939813a02e
SSDEEP

12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QL08d4CPCXdT5Jtu3NkUicH2WzsagLzg:ffmMv6Ckr7Mny5QLDCjqJZGvzDEVhXQG

Score

10^/10

formbook ms84 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ms84

Decoy

ecurity-ukgaxq.xyz

45ee.top

risiddivinayaka.net

tizip-skill.xyz

ostcanadantet.top

764.xyz

oco188rtp.xyz

lobalacessory.shop

qcq-serve.xyz

dameth.top

arge-eycert.xyz

yzwj-she.xyz

bgfrp-plant.xyz

emesiartwork.net

rcw-hotel.xyz

loor-dfqzpi.xyz

vidence-zvkkln.xyz

oisthuchoyarura.shop

959108ttltxfm842.top

apzcc-both.xyz

Signatures

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

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4932-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4932-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4932-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/760-17-0x0000000000D40000-0x0000000000D6F000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

Processes:

f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exesvchost.exenetsh.exe

description	pid	Process	procid_target
PID 2980 set thread context of 4932	2980	f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe	86
PID 4932 set thread context of 3460	4932	svchost.exe	55
PID 4932 set thread context of 3460	4932	svchost.exe	55
PID 760 set thread context of 3460	760	netsh.exe	55

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 3 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

Processes:

f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exenetsh.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 1 IoCs

Processes:

Explorer.EXE

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 60 IoCs

Processes:

svchost.exenetsh.exe

pid	Process
4932	svchost.exe
4932	svchost.exe
4932	svchost.exe
4932	svchost.exe
4932	svchost.exe
4932	svchost.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe
760	netsh.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exesvchost.exenetsh.exe

pid	Process
2980	f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe
4932	svchost.exe
4932	svchost.exe
4932	svchost.exe
4932	svchost.exe
760	netsh.exe
760	netsh.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

Processes:

svchost.exeExplorer.EXEnetsh.exe

description	pid	Process
Token: SeDebugPrivilege	4932	svchost.exe
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE
Token: SeDebugPrivilege	760	netsh.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exeExplorer.EXE

pid	Process
2980	f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe
2980	f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe
3460	Explorer.EXE
3460	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe

pid	Process
2980	f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe
2980	f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid	Process
3460	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exeExplorer.EXEnetsh.exe

description	pid	Process	procid_target
PID 2980 wrote to memory of 4932	2980	f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe	86
PID 2980 wrote to memory of 4932	2980	f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe	86
PID 2980 wrote to memory of 4932	2980	f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe	86
PID 2980 wrote to memory of 4932	2980	f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe	86
PID 3460 wrote to memory of 760	3460	Explorer.EXE	96
PID 3460 wrote to memory of 760	3460	Explorer.EXE	96
PID 3460 wrote to memory of 760	3460	Explorer.EXE	96
PID 760 wrote to memory of 1944	760	netsh.exe	101
PID 760 wrote to memory of 1944	760	netsh.exe	101
PID 760 wrote to memory of 1944	760	netsh.exe	101

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3460
- C:\Users\Admin\AppData\Local\Temp\f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe
  "C:\Users\Admin\AppData\Local\Temp\f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:2980
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\f9bd31fde76a7b9c44aadcd95e2f7e43061f65c17dec934a3a578331c4c8dc90.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4932
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\SysWOW64\netsh.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:760
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

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Downloads

memory/760-16-0x0000000000CE0000-0x0000000000CFE000-memory.dmp

Filesize
120KB

Download
memory/760-17-0x0000000000D40000-0x0000000000D6F000-memory.dmp

Filesize
188KB

Download
memory/760-14-0x0000000000CE0000-0x0000000000CFE000-memory.dmp

Filesize
120KB

Download
memory/2980-2-0x0000000004090000-0x0000000004290000-memory.dmp

Filesize
2.0MB

Download
memory/3460-24-0x0000000008890000-0x0000000008936000-memory.dmp

Filesize
664KB

Download
memory/3460-22-0x0000000008890000-0x0000000008936000-memory.dmp

Filesize
664KB

Download
memory/3460-21-0x0000000008890000-0x0000000008936000-memory.dmp

Filesize
664KB

Download
memory/3460-8-0x00000000081C0000-0x00000000082F7000-memory.dmp

Filesize
1.2MB

Download
memory/3460-12-0x000000000A080000-0x000000000A1AD000-memory.dmp

Filesize
1.2MB

Download
memory/3460-18-0x000000000A080000-0x000000000A1AD000-memory.dmp

Filesize
1.2MB

Download
memory/3460-13-0x00000000081C0000-0x00000000082F7000-memory.dmp

Filesize
1.2MB

Download
memory/4932-7-0x0000000001B00000-0x0000000001B15000-memory.dmp

Filesize
84KB

Download
memory/4932-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4932-11-0x0000000003450000-0x0000000003465000-memory.dmp

Filesize
84KB

Download
memory/4932-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4932-4-0x0000000001600000-0x000000000194A000-memory.dmp

Filesize
3.3MB

Download
memory/4932-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download