formbook | 9d0af0271ef3f2698da92ee8a20043baecf90bf71d790fd29840d127a78a91fc

Analysis

max time kernel
148s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11/09/2024, 02:01

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General

Target

EDG950202407.exe
Size

1.1MB
MD5

997638b13b3e24a155d45cb73bee1624
SHA1

9e97cfec83e40a8f847c953aff08309c06cccf6a
SHA256

4fe0627df409d563c49daaace6f559559c940ccf1d19e73dc3480a33f86ed9a3
SHA512

11c37787e1c340d0674103b9b8c3e64b9a324a14f1f20cf045e03c766f9220065b81cf99793ab45c0a40c7fea019f0e57263fc70160fb3291d5544db03c54970
SSDEEP

24576:7AHnh+eWsN3skA4RV1Hom2KXMmHaisMQtytsGy5:Wh+ZkldoPK8YaisMQt9H

Score

10^/10

formbook bi05 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bi05

Decoy

ollow-the-bit.online

aopho.autos

14ra567dp.autos

48651301.top

ussian-dating-54714.bond

sychology-degree-80838.bond

lytracker.xyz

strology-forest.sbs

swjbcl3.top

ridgenexttechnologies.partners

lroy.sbs

kyscreen.vip

anhit.live

uckyheart.xyz

orddserials.online

hetune.shop

nherited-traits-ant.bond

stanaslot-1.xyz

sychologist-therapy-36914.bond

iandramonami.net

Signatures

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

Formbook payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/5436-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3964-18-0x0000000000FD0000-0x0000000000FFF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1056 set thread context of 5436	1056	EDG950202407.exe	87
PID 5436 set thread context of 3568	5436	svchost.exe	56
PID 3964 set thread context of 3568	3964	chkdsk.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	EDG950202407.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
5436	svchost.exe
5436	svchost.exe
5436	svchost.exe
5436	svchost.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe
3964	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1056	EDG950202407.exe
5436	svchost.exe
5436	svchost.exe
5436	svchost.exe
3964	chkdsk.exe
3964	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	5436	svchost.exe
Token: SeDebugPrivilege	3964	chkdsk.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1056	EDG950202407.exe
1056	EDG950202407.exe
1056	EDG950202407.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1056	EDG950202407.exe
1056	EDG950202407.exe
1056	EDG950202407.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3568	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1056 wrote to memory of 5436	1056	EDG950202407.exe	87
PID 1056 wrote to memory of 5436	1056	EDG950202407.exe	87
PID 1056 wrote to memory of 5436	1056	EDG950202407.exe	87
PID 1056 wrote to memory of 5436	1056	EDG950202407.exe	87
PID 3568 wrote to memory of 3964	3568	Explorer.EXE	88
PID 3568 wrote to memory of 3964	3568	Explorer.EXE	88
PID 3568 wrote to memory of 3964	3568	Explorer.EXE	88
PID 3964 wrote to memory of 5772	3964	chkdsk.exe	89
PID 3964 wrote to memory of 5772	3964	chkdsk.exe	89
PID 3964 wrote to memory of 5772	3964	chkdsk.exe	89

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3568
- C:\Users\Admin\AppData\Local\Temp\EDG950202407.exe
  "C:\Users\Admin\AppData\Local\Temp\EDG950202407.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:1056
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\EDG950202407.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:5436
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3964
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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/1056-11-0x00007FFAAFF90000-0x00007FFAB0185000-memory.dmp

Filesize
2.0MB

Download
memory/3568-15-0x000000000B000000-0x000000000B148000-memory.dmp

Filesize
1.3MB

Download
memory/3568-19-0x000000000B000000-0x000000000B148000-memory.dmp

Filesize
1.3MB

Download
memory/3568-22-0x000000000B150000-0x000000000B272000-memory.dmp

Filesize
1.1MB

Download
memory/3568-24-0x000000000B150000-0x000000000B272000-memory.dmp

Filesize
1.1MB

Download
memory/3568-25-0x000000000B150000-0x000000000B272000-memory.dmp

Filesize
1.1MB

Download
memory/3964-16-0x00000000009B0000-0x00000000009BA000-memory.dmp

Filesize
40KB

Download
memory/3964-17-0x00000000009B0000-0x00000000009BA000-memory.dmp

Filesize
40KB

Download
memory/3964-18-0x0000000000FD0000-0x0000000000FFF000-memory.dmp

Filesize
188KB

Download
memory/5436-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5436-13-0x00007FFAAFF90000-0x00007FFAB0185000-memory.dmp

Filesize
2.0MB

Download