formbook | ba968a850538ae0b7ea0a740f46df914f6662454d48b083cad0dd50f309f33c1

Analysis

max time kernel
147s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13-08-2024 07:13

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General

Target

Purchase Order.exe
Size

1.1MB
MD5

4d27d86542900b4beaaf54881a524abc
SHA1

1e8873e999ec6868b12e05e06f1d44919e5a5227
SHA256

ba968a850538ae0b7ea0a740f46df914f6662454d48b083cad0dd50f309f33c1
SHA512

856790ef67a49f807b84ba666a55669fae5386b1c12e0033b10f3867bae019e35f9185c8a288b04034ad8c2d8a9adda74e73eed99aa7f155d761377aea73d1fe
SSDEEP

24576:GAHnh+eWsN3skA4RV1Hom2KXMmHaw8iDzQDb5:hh+ZkldoPK8Yaw5Dm

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/3180-12-0x0000000000510000-0x000000000053F000-memory.dmp	formbook
behavioral2/memory/3180-16-0x0000000000510000-0x000000000053F000-memory.dmp	formbook
behavioral2/memory/1136-22-0x0000000001200000-0x000000000122F000-memory.dmp	formbook

Blocklisted process makes network request 1 IoCs

flow	pid	Process
72	1136	cscript.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4040 set thread context of 3180	4040	Purchase Order.exe	89
PID 3180 set thread context of 3432	3180	svchost.exe	56
PID 1136 set thread context of 3432	1136	cscript.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	Purchase Order.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cscript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000_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
3180	svchost.exe
3180	svchost.exe
3180	svchost.exe
3180	svchost.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe
1136	cscript.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
4040	Purchase Order.exe
4040	Purchase Order.exe
3180	svchost.exe
3180	svchost.exe
3180	svchost.exe
1136	cscript.exe
1136	cscript.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3180	svchost.exe
Token: SeDebugPrivilege	1136	cscript.exe
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4040	Purchase Order.exe
4040	Purchase Order.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4040	Purchase Order.exe
4040	Purchase Order.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3432	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4040 wrote to memory of 3180	4040	Purchase Order.exe	89
PID 4040 wrote to memory of 3180	4040	Purchase Order.exe	89
PID 4040 wrote to memory of 3180	4040	Purchase Order.exe	89
PID 4040 wrote to memory of 3180	4040	Purchase Order.exe	89
PID 3432 wrote to memory of 1136	3432	Explorer.EXE	90
PID 3432 wrote to memory of 1136	3432	Explorer.EXE	90
PID 3432 wrote to memory of 1136	3432	Explorer.EXE	90
PID 1136 wrote to memory of 3328	1136	cscript.exe	91
PID 1136 wrote to memory of 3328	1136	cscript.exe	91
PID 1136 wrote to memory of 3328	1136	cscript.exe	91

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3432
- C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe
  "C:\Users\Admin\AppData\Local\Temp\Purchase Order.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:4040
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3180
- C:\Windows\SysWOW64\cscript.exe
  "C:\Windows\SysWOW64\cscript.exe"
  2⤵
  - Blocklisted process makes network request
  - 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:1136
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3328

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

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Downloads

memory/1136-19-0x0000000000DF0000-0x0000000000E17000-memory.dmp

Filesize
156KB

Download
memory/1136-22-0x0000000001200000-0x000000000122F000-memory.dmp

Filesize
188KB

Download
memory/1136-21-0x0000000000DF0000-0x0000000000E17000-memory.dmp

Filesize
156KB

Download
memory/3180-17-0x0000000000B60000-0x0000000000B74000-memory.dmp

Filesize
80KB

Download
memory/3180-16-0x0000000000510000-0x000000000053F000-memory.dmp

Filesize
188KB

Download
memory/3180-15-0x0000000001200000-0x000000000154A000-memory.dmp

Filesize
3.3MB

Download
memory/3180-12-0x0000000000510000-0x000000000053F000-memory.dmp

Filesize
188KB

Download
memory/3432-18-0x00000000088E0000-0x0000000008A0F000-memory.dmp

Filesize
1.2MB

Download
memory/3432-24-0x00000000088E0000-0x0000000008A0F000-memory.dmp

Filesize
1.2MB

Download
memory/3432-27-0x0000000008A10000-0x0000000008B27000-memory.dmp

Filesize
1.1MB

Download
memory/3432-28-0x0000000008A10000-0x0000000008B27000-memory.dmp

Filesize
1.1MB

Download
memory/3432-31-0x0000000008A10000-0x0000000008B27000-memory.dmp

Filesize
1.1MB

Download
memory/4040-11-0x0000000003B40000-0x0000000003B44000-memory.dmp

Filesize
16KB

Download