formbook | 346e804f385a59deed6eeefac709ffd18468bbefd31a62b3adad7232ba5e6245

Analysis

max time kernel
148s
max time network
149s
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 07:51

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General

Target

346E804F385A59DEED6EEEFAC709FFD18468BBEFD31A62B3ADAD7232BA5E6245.exe
Size

1.0MB
MD5

d21e850ec672153fc40406d9307be42b
SHA1

fd56cf57e537b7e24c416bb60cb278320c42a57a
SHA256

346e804f385a59deed6eeefac709ffd18468bbefd31a62b3adad7232ba5e6245
SHA512

614d3280893562c9dde062ccd453d3c2306ec7b9538ce06f8d6eb54285c3987385ac1fd4d039c234ca29b6a08fac9d6bde4e15be200e156f754ab8b388dafdf9
SSDEEP

24576:Q4lavt0LkLL9IMixoEgeaHdf91hplyQxbKq9MmCS:Hkwkn9IMHeaHdlnyQxOaPCS

Score

10^/10

formbook kr28 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kr28

Decoy

8pehzswy1.com

charliebluewellness.net

telehealthtravel.com

d6ir07.vip

consciouscapital.observer

and-good.world

metapod.fm

ereccprime.us

nihb.tokyo

tsbot.us

lkbc.store

lev-casino-qjm.buzz

freshfit.co.za

novinlopik.store

surrealfurrealart.com

endless-garage.com

newlaunchinthane.co.in

diamondtalesstore.com

yooyarkyoodai.com

hippomarketplace.shop

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/2352-11-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2352-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/5112-19-0x00000000001A0000-0x00000000001CF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4896 set thread context of 2352	4896	346E804F385A59DEED6EEEFAC709FFD18468BBEFD31A62B3ADAD7232BA5E6245.exe	82
PID 2352 set thread context of 3408	2352	svchost.exe	55
PID 5112 set thread context of 3408	5112	cmstp.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	346E804F385A59DEED6EEEFAC709FFD18468BBEFD31A62B3ADAD7232BA5E6245.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
2352	svchost.exe
2352	svchost.exe
2352	svchost.exe
2352	svchost.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe
5112	cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
4896	346E804F385A59DEED6EEEFAC709FFD18468BBEFD31A62B3ADAD7232BA5E6245.exe
2352	svchost.exe
2352	svchost.exe
2352	svchost.exe
5112	cmstp.exe
5112	cmstp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2352	svchost.exe
Token: SeDebugPrivilege	5112	cmstp.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4896	346E804F385A59DEED6EEEFAC709FFD18468BBEFD31A62B3ADAD7232BA5E6245.exe
4896	346E804F385A59DEED6EEEFAC709FFD18468BBEFD31A62B3ADAD7232BA5E6245.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4896	346E804F385A59DEED6EEEFAC709FFD18468BBEFD31A62B3ADAD7232BA5E6245.exe
4896	346E804F385A59DEED6EEEFAC709FFD18468BBEFD31A62B3ADAD7232BA5E6245.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4896 wrote to memory of 2352	4896	346E804F385A59DEED6EEEFAC709FFD18468BBEFD31A62B3ADAD7232BA5E6245.exe	82
PID 4896 wrote to memory of 2352	4896	346E804F385A59DEED6EEEFAC709FFD18468BBEFD31A62B3ADAD7232BA5E6245.exe	82
PID 4896 wrote to memory of 2352	4896	346E804F385A59DEED6EEEFAC709FFD18468BBEFD31A62B3ADAD7232BA5E6245.exe	82
PID 4896 wrote to memory of 2352	4896	346E804F385A59DEED6EEEFAC709FFD18468BBEFD31A62B3ADAD7232BA5E6245.exe	82
PID 3408 wrote to memory of 5112	3408	Explorer.EXE	83
PID 3408 wrote to memory of 5112	3408	Explorer.EXE	83
PID 3408 wrote to memory of 5112	3408	Explorer.EXE	83
PID 5112 wrote to memory of 1408	5112	cmstp.exe	84
PID 5112 wrote to memory of 1408	5112	cmstp.exe	84
PID 5112 wrote to memory of 1408	5112	cmstp.exe	84

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3408
- C:\Users\Admin\AppData\Local\Temp\346E804F385A59DEED6EEEFAC709FFD18468BBEFD31A62B3ADAD7232BA5E6245.exe
  "C:\Users\Admin\AppData\Local\Temp\346E804F385A59DEED6EEEFAC709FFD18468BBEFD31A62B3ADAD7232BA5E6245.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:4896
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\346E804F385A59DEED6EEEFAC709FFD18468BBEFD31A62B3ADAD7232BA5E6245.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2352
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.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:5112
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1408

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

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Downloads

memory/2352-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2352-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2352-12-0x0000000001600000-0x000000000194A000-memory.dmp

Filesize
3.3MB

Download
memory/2352-15-0x0000000001500000-0x0000000001514000-memory.dmp

Filesize
80KB

Download
memory/3408-20-0x0000000008340000-0x00000000084C5000-memory.dmp

Filesize
1.5MB

Download
memory/3408-16-0x0000000008340000-0x00000000084C5000-memory.dmp

Filesize
1.5MB

Download
memory/3408-24-0x0000000002620000-0x0000000002728000-memory.dmp

Filesize
1.0MB

Download
memory/3408-25-0x0000000002620000-0x0000000002728000-memory.dmp

Filesize
1.0MB

Download
memory/3408-27-0x0000000002620000-0x0000000002728000-memory.dmp

Filesize
1.0MB

Download
memory/4896-10-0x0000000002A30000-0x0000000002A34000-memory.dmp

Filesize
16KB

Download
memory/5112-17-0x0000000000FE0000-0x0000000000FF6000-memory.dmp

Filesize
88KB

Download
memory/5112-18-0x0000000000FE0000-0x0000000000FF6000-memory.dmp

Filesize
88KB

Download
memory/5112-19-0x00000000001A0000-0x00000000001CF000-memory.dmp

Filesize
188KB

Download