formbook | d6254ba7494dc16f4b33c879f44fda381215ce53c01319e45f97a2b661e11cc2

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-10-2024 02:51

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General

Target

d6254ba7494dc16f4b33c879f44fda381215ce53c01319e45f97a2b661e11cc2.exe
Size

1.1MB
MD5

4683e61354548cd31101748ba961519f
SHA1

cdbaf6f43df1dfdc3a01e22e3b23637a52489be4
SHA256

d6254ba7494dc16f4b33c879f44fda381215ce53c01319e45f97a2b661e11cc2
SHA512

056de8a362a1450b8053ad7af3b59572ef4b527b60485e50b37826a5712d17f80b5ab8c93c4eb0af9bd34bc6d8302367380098e96611107f93ba0729bde96f78
SSDEEP

12288:rLkcoxg7v3qnC11ErwIhh0F4qwUgUny5QLoRrvtAqY5APCxb5wvixoE5t+Krayye:ffmMv6Ckr7Mny5QLoxIWPQ5V2WtJnZJ

Score

10^/10

formbook f29s discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

f29s

Decoy

rostnixon.net

exxxwordz.xyz

ndradesanches.shop

eneral-vceef.xyz

isanbowl.top

aresrasherregard.cfd

dzas-yeah.xyz

0083.miami

hongziyin01.top

jdhfmq.live

alembottling.net

vtyo-phone.xyz

kaqb-decade.xyz

odel-lsmfz.xyz

aradise.tech

uan123-rtp43.xyz

pusptracking.xyz

uqhi42.xyz

mihy-professor.xyz

mnz-your.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

resource	yara_rule
behavioral2/memory/444-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/444-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/444-10-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4700-17-0x0000000000B90000-0x0000000000BBF000-memory.dmp	formbook

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 4848 set thread context of 444	4848	d6254ba7494dc16f4b33c879f44fda381215ce53c01319e45f97a2b661e11cc2.exe	87
PID 444 set thread context of 3360	444	svchost.exe	55
PID 444 set thread context of 3360	444	svchost.exe	55
PID 4700 set thread context of 3360	4700	svchost.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d6254ba7494dc16f4b33c879f44fda381215ce53c01319e45f97a2b661e11cc2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 1 IoCs

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

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
444	svchost.exe
444	svchost.exe
444	svchost.exe
444	svchost.exe
444	svchost.exe
444	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe
4700	svchost.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
4848	d6254ba7494dc16f4b33c879f44fda381215ce53c01319e45f97a2b661e11cc2.exe
444	svchost.exe
444	svchost.exe
444	svchost.exe
444	svchost.exe
4700	svchost.exe
4700	svchost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	444	svchost.exe
Token: SeDebugPrivilege	4700	svchost.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
4848	d6254ba7494dc16f4b33c879f44fda381215ce53c01319e45f97a2b661e11cc2.exe
4848	d6254ba7494dc16f4b33c879f44fda381215ce53c01319e45f97a2b661e11cc2.exe
3360	Explorer.EXE
3360	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4848	d6254ba7494dc16f4b33c879f44fda381215ce53c01319e45f97a2b661e11cc2.exe
4848	d6254ba7494dc16f4b33c879f44fda381215ce53c01319e45f97a2b661e11cc2.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3360	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4848 wrote to memory of 444	4848	d6254ba7494dc16f4b33c879f44fda381215ce53c01319e45f97a2b661e11cc2.exe	87
PID 4848 wrote to memory of 444	4848	d6254ba7494dc16f4b33c879f44fda381215ce53c01319e45f97a2b661e11cc2.exe	87
PID 4848 wrote to memory of 444	4848	d6254ba7494dc16f4b33c879f44fda381215ce53c01319e45f97a2b661e11cc2.exe	87
PID 4848 wrote to memory of 444	4848	d6254ba7494dc16f4b33c879f44fda381215ce53c01319e45f97a2b661e11cc2.exe	87
PID 3360 wrote to memory of 4700	3360	Explorer.EXE	95
PID 3360 wrote to memory of 4700	3360	Explorer.EXE	95
PID 3360 wrote to memory of 4700	3360	Explorer.EXE	95
PID 4700 wrote to memory of 3800	4700	svchost.exe	100
PID 4700 wrote to memory of 3800	4700	svchost.exe	100
PID 4700 wrote to memory of 3800	4700	svchost.exe	100

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3360
- C:\Users\Admin\AppData\Local\Temp\d6254ba7494dc16f4b33c879f44fda381215ce53c01319e45f97a2b661e11cc2.exe
  "C:\Users\Admin\AppData\Local\Temp\d6254ba7494dc16f4b33c879f44fda381215ce53c01319e45f97a2b661e11cc2.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:4848
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\d6254ba7494dc16f4b33c879f44fda381215ce53c01319e45f97a2b661e11cc2.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:444
- 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:4700
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3800

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/444-11-0x00000000018D0000-0x00000000018E4000-memory.dmp

Filesize
80KB

Download
memory/444-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/444-4-0x0000000001900000-0x0000000001C4A000-memory.dmp

Filesize
3.3MB

Download
memory/444-7-0x0000000001860000-0x0000000001874000-memory.dmp

Filesize
80KB

Download
memory/444-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/444-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3360-12-0x0000000009620000-0x00000000096D7000-memory.dmp

Filesize
732KB

Download
memory/3360-8-0x0000000008D00000-0x0000000008E48000-memory.dmp

Filesize
1.3MB

Download
memory/3360-13-0x0000000008D00000-0x0000000008E48000-memory.dmp

Filesize
1.3MB

Download
memory/3360-20-0x0000000009820000-0x000000000995F000-memory.dmp

Filesize
1.2MB

Download
memory/3360-21-0x0000000009820000-0x000000000995F000-memory.dmp

Filesize
1.2MB

Download
memory/3360-23-0x0000000009820000-0x000000000995F000-memory.dmp

Filesize
1.2MB

Download
memory/4700-16-0x0000000000430000-0x000000000043E000-memory.dmp

Filesize
56KB

Download
memory/4700-14-0x0000000000430000-0x000000000043E000-memory.dmp

Filesize
56KB

Download
memory/4700-17-0x0000000000B90000-0x0000000000BBF000-memory.dmp

Filesize
188KB

Download
memory/4848-2-0x0000000004000000-0x0000000004200000-memory.dmp

Filesize
2.0MB

Download