formbook | f60f8e29acfcc87577de704d3fd0405f91244f6aedec9fdb7be785c7b5d29751

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03/01/2025, 07:53

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General

Target

F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe
Size

1.1MB
MD5

c9cece47f081ecb047ea64aea3b3c5c5
SHA1

03406e0d1340cd41734b20b158a9feac7dd14848
SHA256

f60f8e29acfcc87577de704d3fd0405f91244f6aedec9fdb7be785c7b5d29751
SHA512

e7a9deadcd2437285c51c791eabf2d2d683470acfa50d167c12306486b2a997e99d718bf39c2163c983256e2874030fe83afae48c284e9c7891c7861d0375630
SSDEEP

24576:8AHnh+eWsN3skA4RV1Hom2KXMmHafFxZyvgVaL5:bh+ZkldoPK8YafF7yD

Score

10^/10

formbook nu28 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

nu28

Decoy

papage.com

dohezar.com

fegongroupserver.site

cloudhare.biz

rlxiom.xyz

emmaandrobertswedding.com

fengchenfangfu.com

jimsbestk.com

5004926.com

87558qq.ren

verify-coinbase-wallet.com

mambaka.com

foxyfinds4u.com

wearepawparents.com

pocho.shop

yoursgxmarketing.com

copywritemoney.com

armortechconsulting.com

irnt0ken-al.com

umyowallstreet.site

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/840-11-0x0000000000480000-0x00000000004AF000-memory.dmp	formbook
behavioral2/memory/840-15-0x0000000000480000-0x00000000004AF000-memory.dmp	formbook
behavioral2/memory/4700-20-0x0000000000D90000-0x0000000000DBF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1680 set thread context of 840	1680	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe	83
PID 840 set thread context of 3516	840	svchost.exe	56
PID 4700 set thread context of 3516	4700	cscript.exe	56

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
840	svchost.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe
4700	cscript.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1680	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe
1680	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe
840	svchost.exe
840	svchost.exe
840	svchost.exe
4700	cscript.exe
4700	cscript.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	840	svchost.exe
Token: SeDebugPrivilege	4700	cscript.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1680	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe
1680	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1680	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe
1680	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 840	1680	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe	83
PID 1680 wrote to memory of 840	1680	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe	83
PID 1680 wrote to memory of 840	1680	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe	83
PID 1680 wrote to memory of 840	1680	F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe	83
PID 3516 wrote to memory of 4700	3516	Explorer.EXE	84
PID 3516 wrote to memory of 4700	3516	Explorer.EXE	84
PID 3516 wrote to memory of 4700	3516	Explorer.EXE	84
PID 4700 wrote to memory of 3448	4700	cscript.exe	86
PID 4700 wrote to memory of 3448	4700	cscript.exe	86
PID 4700 wrote to memory of 3448	4700	cscript.exe	86

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3516
- C:\Users\Admin\AppData\Local\Temp\F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe
  "C:\Users\Admin\AppData\Local\Temp\F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.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:1680
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\F60F8E29ACFCC87577DE704D3FD0405F91244F6AEDEC9FDB7BE785C7B5D29751.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:840
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.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:4700
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.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/840-15-0x0000000000480000-0x00000000004AF000-memory.dmp

Filesize
188KB

Download
memory/840-11-0x0000000000480000-0x00000000004AF000-memory.dmp

Filesize
188KB

Download
memory/840-14-0x0000000000E00000-0x000000000114A000-memory.dmp

Filesize
3.3MB

Download
memory/840-16-0x0000000000BB0000-0x0000000000BC4000-memory.dmp

Filesize
80KB

Download
memory/1680-10-0x00000000027E0000-0x00000000027E4000-memory.dmp

Filesize
16KB

Download
memory/3516-21-0x0000000002630000-0x00000000026E5000-memory.dmp

Filesize
724KB

Download
memory/3516-17-0x0000000002630000-0x00000000026E5000-memory.dmp

Filesize
724KB

Download
memory/3516-25-0x0000000006D80000-0x0000000006E68000-memory.dmp

Filesize
928KB

Download
memory/3516-26-0x0000000006D80000-0x0000000006E68000-memory.dmp

Filesize
928KB

Download
memory/3516-28-0x0000000006D80000-0x0000000006E68000-memory.dmp

Filesize
928KB

Download
memory/4700-18-0x0000000000540000-0x0000000000567000-memory.dmp

Filesize
156KB

Download
memory/4700-19-0x0000000000540000-0x0000000000567000-memory.dmp

Filesize
156KB

Download
memory/4700-20-0x0000000000D90000-0x0000000000DBF000-memory.dmp

Filesize
188KB

Download