formbook | 1477618f7a47c1e6cef99ff4626f541de642a01ec9219290d3a92546abc21c9e

Analysis

max time kernel
146s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-11-2024 02:09

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General

Target

1477618f7a47c1e6cef99ff4626f541de642a01ec9219290d3a92546abc21c9e.exe
Size

1.0MB
MD5

a03815195e40a8caf9e0da80eccb9240
SHA1

f770dbb9f49ad2f03955a2c5a8c70373652d2ba9
SHA256

1477618f7a47c1e6cef99ff4626f541de642a01ec9219290d3a92546abc21c9e
SHA512

d62156ed630fee3830832151f42adc6f9ae9fbc48497cf3a54a70759121a583168bf60db85ae50d3964183a72eacd1eea4c187b82c2ba2a67cee675332fa997f
SSDEEP

24576:fAHnh+eWsN3skA4RV1Hom2KXMmHaCH6m3kVjM4615:Ch+ZkldoPK8YaC53kZY

Score

10^/10

formbook ma28 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ma28

Decoy

orth.monster

5970.pizza

oinayangi.net

usiness-funding-48965.bond

uttere.buzz

raumainformed.xyz

amewith.today

hetangosalon.net

irewoodprice168.shop

commerce-96305.bond

3107.loan

uohan.tech

agakaw.website

fricaduka.store

ecga.info

arehouse-inventory-27582.bond

itchen-design-87997.bond

eishahousesteaksushi.shop

liopew.xyz

4769.pizza

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

Processes:

resource	yara_rule
behavioral2/memory/2124-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2124-9-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4704-15-0x0000000000600000-0x000000000062F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

1477618f7a47c1e6cef99ff4626f541de642a01ec9219290d3a92546abc21c9e.exesvchost.exeraserver.exe

description	pid	Process	procid_target
PID 3628 set thread context of 2124	3628	1477618f7a47c1e6cef99ff4626f541de642a01ec9219290d3a92546abc21c9e.exe	82
PID 2124 set thread context of 3444	2124	svchost.exe	56
PID 4704 set thread context of 3444	4704	raserver.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

Processes:

1477618f7a47c1e6cef99ff4626f541de642a01ec9219290d3a92546abc21c9e.exeraserver.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1477618f7a47c1e6cef99ff4626f541de642a01ec9219290d3a92546abc21c9e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	raserver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

svchost.exeraserver.exe

pid	Process
2124	svchost.exe
2124	svchost.exe
2124	svchost.exe
2124	svchost.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe
4704	raserver.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

1477618f7a47c1e6cef99ff4626f541de642a01ec9219290d3a92546abc21c9e.exesvchost.exeraserver.exe

pid	Process
3628	1477618f7a47c1e6cef99ff4626f541de642a01ec9219290d3a92546abc21c9e.exe
2124	svchost.exe
2124	svchost.exe
2124	svchost.exe
4704	raserver.exe
4704	raserver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

svchost.exeraserver.exe

description	pid	Process
Token: SeDebugPrivilege	2124	svchost.exe
Token: SeDebugPrivilege	4704	raserver.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

1477618f7a47c1e6cef99ff4626f541de642a01ec9219290d3a92546abc21c9e.exe

pid	Process
3628	1477618f7a47c1e6cef99ff4626f541de642a01ec9219290d3a92546abc21c9e.exe
3628	1477618f7a47c1e6cef99ff4626f541de642a01ec9219290d3a92546abc21c9e.exe

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

1477618f7a47c1e6cef99ff4626f541de642a01ec9219290d3a92546abc21c9e.exe

pid	Process
3628	1477618f7a47c1e6cef99ff4626f541de642a01ec9219290d3a92546abc21c9e.exe
3628	1477618f7a47c1e6cef99ff4626f541de642a01ec9219290d3a92546abc21c9e.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

1477618f7a47c1e6cef99ff4626f541de642a01ec9219290d3a92546abc21c9e.exeExplorer.EXEraserver.exe

description	pid	Process	procid_target
PID 3628 wrote to memory of 2124	3628	1477618f7a47c1e6cef99ff4626f541de642a01ec9219290d3a92546abc21c9e.exe	82
PID 3628 wrote to memory of 2124	3628	1477618f7a47c1e6cef99ff4626f541de642a01ec9219290d3a92546abc21c9e.exe	82
PID 3628 wrote to memory of 2124	3628	1477618f7a47c1e6cef99ff4626f541de642a01ec9219290d3a92546abc21c9e.exe	82
PID 3628 wrote to memory of 2124	3628	1477618f7a47c1e6cef99ff4626f541de642a01ec9219290d3a92546abc21c9e.exe	82
PID 3444 wrote to memory of 4704	3444	Explorer.EXE	83
PID 3444 wrote to memory of 4704	3444	Explorer.EXE	83
PID 3444 wrote to memory of 4704	3444	Explorer.EXE	83
PID 4704 wrote to memory of 2984	4704	raserver.exe	86
PID 4704 wrote to memory of 2984	4704	raserver.exe	86
PID 4704 wrote to memory of 2984	4704	raserver.exe	86

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3444
- C:\Users\Admin\AppData\Local\Temp\1477618f7a47c1e6cef99ff4626f541de642a01ec9219290d3a92546abc21c9e.exe
  "C:\Users\Admin\AppData\Local\Temp\1477618f7a47c1e6cef99ff4626f541de642a01ec9219290d3a92546abc21c9e.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:3628
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\1477618f7a47c1e6cef99ff4626f541de642a01ec9219290d3a92546abc21c9e.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2124
- C:\Windows\SysWOW64\raserver.exe
  "C:\Windows\SysWOW64\raserver.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:4704
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2984

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/2124-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2124-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2124-7-0x0000000001600000-0x000000000194A000-memory.dmp

Filesize
3.3MB

Download
memory/2124-10-0x0000000001380000-0x0000000001394000-memory.dmp

Filesize
80KB

Download
memory/3444-16-0x00000000032D0000-0x0000000003390000-memory.dmp

Filesize
768KB

Download
memory/3444-11-0x00000000032D0000-0x0000000003390000-memory.dmp

Filesize
768KB

Download
memory/3444-20-0x0000000008780000-0x000000000883C000-memory.dmp

Filesize
752KB

Download
memory/3444-21-0x0000000008780000-0x000000000883C000-memory.dmp

Filesize
752KB

Download
memory/3444-23-0x0000000008780000-0x000000000883C000-memory.dmp

Filesize
752KB

Download
memory/3628-5-0x0000000002520000-0x0000000002524000-memory.dmp

Filesize
16KB

Download
memory/4704-12-0x0000000000BD0000-0x0000000000BEF000-memory.dmp

Filesize
124KB

Download
memory/4704-14-0x0000000000BD0000-0x0000000000BEF000-memory.dmp

Filesize
124KB

Download
memory/4704-15-0x0000000000600000-0x000000000062F000-memory.dmp

Filesize
188KB

Download