formbook | 6b63d12cd8c631508f940d4be057480a74b5361c2cf0d82e501df1ca1b0e13a6

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
04-09-2024 02:45

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General

Target

SOA.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 3 IoCs

rat

resource	yara_rule
behavioral2/memory/2788-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2788-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2292-21-0x0000000000B50000-0x0000000000B7F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1860 set thread context of 2788	1860	SOA.exe	85
PID 2788 set thread context of 3416	2788	svchost.exe	56
PID 2292 set thread context of 3416	2292	explorer.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	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SOA.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
2788	svchost.exe
2788	svchost.exe
2788	svchost.exe
2788	svchost.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe
2292	explorer.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1860	SOA.exe
2788	svchost.exe
2788	svchost.exe
2788	svchost.exe
2292	explorer.exe
2292	explorer.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	2788	svchost.exe
Token: SeShutdownPrivilege	3416	Explorer.EXE
Token: SeCreatePagefilePrivilege	3416	Explorer.EXE
Token: SeShutdownPrivilege	3416	Explorer.EXE
Token: SeCreatePagefilePrivilege	3416	Explorer.EXE
Token: SeShutdownPrivilege	3416	Explorer.EXE
Token: SeCreatePagefilePrivilege	3416	Explorer.EXE
Token: SeShutdownPrivilege	3416	Explorer.EXE
Token: SeCreatePagefilePrivilege	3416	Explorer.EXE
Token: SeDebugPrivilege	2292	explorer.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1860	SOA.exe
1860	SOA.exe
3416	Explorer.EXE
3416	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1860	SOA.exe
1860	SOA.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3416	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 2788	1860	SOA.exe	85
PID 1860 wrote to memory of 2788	1860	SOA.exe	85
PID 1860 wrote to memory of 2788	1860	SOA.exe	85
PID 1860 wrote to memory of 2788	1860	SOA.exe	85
PID 3416 wrote to memory of 2292	3416	Explorer.EXE	91
PID 3416 wrote to memory of 2292	3416	Explorer.EXE	91
PID 3416 wrote to memory of 2292	3416	Explorer.EXE	91
PID 2292 wrote to memory of 3196	2292	explorer.exe	97
PID 2292 wrote to memory of 3196	2292	explorer.exe	97
PID 2292 wrote to memory of 3196	2292	explorer.exe	97

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3416
- C:\Users\Admin\AppData\Local\Temp\SOA.exe
  "C:\Users\Admin\AppData\Local\Temp\SOA.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:1860
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2788
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3076
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3284
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3104
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:3124
- C:\Windows\SysWOW64\autofmt.exe
  "C:\Windows\SysWOW64\autofmt.exe"
  2⤵
  PID:1512
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.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:2292
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3196

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/1860-11-0x0000000003700000-0x0000000003704000-memory.dmp

Filesize
16KB

Download
memory/2292-19-0x0000000000410000-0x0000000000843000-memory.dmp

Filesize
4.2MB

Download
memory/2292-21-0x0000000000B50000-0x0000000000B7F000-memory.dmp

Filesize
188KB

Download
memory/2292-20-0x0000000000410000-0x0000000000843000-memory.dmp

Filesize
4.2MB

Download
memory/2788-16-0x0000000002050000-0x0000000002064000-memory.dmp

Filesize
80KB

Download
memory/2788-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2788-13-0x0000000001C00000-0x0000000001F4A000-memory.dmp

Filesize
3.3MB

Download
memory/2788-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3416-17-0x0000000002E20000-0x0000000002F1E000-memory.dmp

Filesize
1016KB

Download
memory/3416-22-0x0000000002E20000-0x0000000002F1E000-memory.dmp

Filesize
1016KB

Download
memory/3416-25-0x00000000089A0000-0x0000000008A3B000-memory.dmp

Filesize
620KB

Download
memory/3416-27-0x00000000089A0000-0x0000000008A3B000-memory.dmp

Filesize
620KB

Download
memory/3416-29-0x00000000089A0000-0x0000000008A3B000-memory.dmp

Filesize
620KB

Download