formbook | e801fc69d4d730346c6ec81d9c9ab0bfc8471a345faf8cce76737115dccd87dc

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/08/2024, 13:26

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General

Target

RevisedOverdueSOA_pdf.exe
Size

1.1MB
MD5

58a4eba0023aa5ea228cdd97cf332804
SHA1

73122ca5be7fb9e0cec9e3e9b6e867d0ee6d9eb6
SHA256

e801fc69d4d730346c6ec81d9c9ab0bfc8471a345faf8cce76737115dccd87dc
SHA512

c2c611857e31cc45d91241187ad03b4489d161bfe1f728b9ff03edd912622e173d5d2a8238bd9135eede999a43d5e298698b3115277cf30f9e40ffd5a9ed7c5e
SSDEEP

24576:WAHnh+eWsN3skA4RV1Hom2KXMmHaxW3hZznYIlWEqmm5:xh+ZkldoPK8YaxkZLYIvqH

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 3 IoCs

rat

resource	yara_rule
behavioral2/memory/1292-12-0x0000000000380000-0x00000000003AF000-memory.dmp	formbook
behavioral2/memory/1292-16-0x0000000000380000-0x00000000003AF000-memory.dmp	formbook
behavioral2/memory/2360-21-0x0000000000ED0000-0x0000000000EFF000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3332 set thread context of 1292	3332	RevisedOverdueSOA_pdf.exe	87
PID 1292 set thread context of 3600	1292	svchost.exe	56
PID 2360 set thread context of 3600	2360	msdt.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	msdt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RevisedOverdueSOA_pdf.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
1292	svchost.exe
1292	svchost.exe
1292	svchost.exe
1292	svchost.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe
2360	msdt.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
3332	RevisedOverdueSOA_pdf.exe
3332	RevisedOverdueSOA_pdf.exe
1292	svchost.exe
1292	svchost.exe
1292	svchost.exe
2360	msdt.exe
2360	msdt.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1292	svchost.exe
Token: SeDebugPrivilege	2360	msdt.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3332	RevisedOverdueSOA_pdf.exe
3332	RevisedOverdueSOA_pdf.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
3332	RevisedOverdueSOA_pdf.exe
3332	RevisedOverdueSOA_pdf.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3600	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3332 wrote to memory of 1292	3332	RevisedOverdueSOA_pdf.exe	87
PID 3332 wrote to memory of 1292	3332	RevisedOverdueSOA_pdf.exe	87
PID 3332 wrote to memory of 1292	3332	RevisedOverdueSOA_pdf.exe	87
PID 3332 wrote to memory of 1292	3332	RevisedOverdueSOA_pdf.exe	87
PID 3600 wrote to memory of 2360	3600	Explorer.EXE	88
PID 3600 wrote to memory of 2360	3600	Explorer.EXE	88
PID 3600 wrote to memory of 2360	3600	Explorer.EXE	88
PID 2360 wrote to memory of 2848	2360	msdt.exe	92
PID 2360 wrote to memory of 2848	2360	msdt.exe	92
PID 2360 wrote to memory of 2848	2360	msdt.exe	92

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3600
- C:\Users\Admin\AppData\Local\Temp\RevisedOverdueSOA_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\RevisedOverdueSOA_pdf.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:3332
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\RevisedOverdueSOA_pdf.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1292
- C:\Windows\SysWOW64\msdt.exe
  "C:\Windows\SysWOW64\msdt.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:2360
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2848

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/1292-16-0x0000000000380000-0x00000000003AF000-memory.dmp

Filesize
188KB

Download
memory/1292-12-0x0000000000380000-0x00000000003AF000-memory.dmp

Filesize
188KB

Download
memory/1292-15-0x0000000000AD0000-0x0000000000E1A000-memory.dmp

Filesize
3.3MB

Download
memory/1292-17-0x0000000001420000-0x0000000001434000-memory.dmp

Filesize
80KB

Download
memory/2360-19-0x0000000000040000-0x0000000000097000-memory.dmp

Filesize
348KB

Download
memory/2360-20-0x0000000000040000-0x0000000000097000-memory.dmp

Filesize
348KB

Download
memory/2360-21-0x0000000000ED0000-0x0000000000EFF000-memory.dmp

Filesize
188KB

Download
memory/3332-11-0x0000000001740000-0x0000000001744000-memory.dmp

Filesize
16KB

Download
memory/3600-18-0x0000000003340000-0x0000000003438000-memory.dmp

Filesize
992KB

Download
memory/3600-23-0x00000000031B0000-0x0000000003265000-memory.dmp

Filesize
724KB

Download
memory/3600-24-0x00000000031B0000-0x0000000003265000-memory.dmp

Filesize
724KB

Download
memory/3600-25-0x0000000003340000-0x0000000003438000-memory.dmp

Filesize
992KB

Download
memory/3600-28-0x00000000031B0000-0x0000000003265000-memory.dmp

Filesize
724KB

Download