formbook | 23408914cf7f51e436cbfe769a1481dd9f5ed2b6a9ee555439e8d7a75c9a1668

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-08-2024 13:23

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General

Target

Updated SOA.exe
Size

1.1MB
MD5

606756c712cb86af9ce0ec454fe92c99
SHA1

7d5000c5d2a1b5b88039994db9dfa17941170c0c
SHA256

594d99b2f426271d893550e00f7931e2b25ec0179e0e52887a77e3ade825b730
SHA512

58354f340dc460275137fb25fd175e4cd52a4dcb40f750007a5ba5c68b13a2f5083a372210f5cfb80cd91c8700f425f7bdb37eecdc626b5feb829ecd43151ba3
SSDEEP

24576:utb20pkaCqT5TBWgNQ7aK3ngGxIKLgh06A:bVg5tQ7ainPxIK35

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/1304-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1304-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/5016-20-0x0000000001200000-0x000000000122F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1828 set thread context of 1304	1828	Updated SOA.exe	89
PID 1304 set thread context of 3548	1304	svchost.exe	56
PID 5016 set thread context of 3548	5016	cmstp.exe	56

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2420	1828	WerFault.exe	83

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	Updated SOA.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
1304	svchost.exe
1304	svchost.exe
1304	svchost.exe
1304	svchost.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe
5016	cmstp.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1828	Updated SOA.exe
1304	svchost.exe
1304	svchost.exe
1304	svchost.exe
5016	cmstp.exe
5016	cmstp.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1304	svchost.exe
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeDebugPrivilege	5016	cmstp.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1828	Updated SOA.exe
1828	Updated SOA.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1828	Updated SOA.exe
1828	Updated SOA.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3548	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1828 wrote to memory of 1304	1828	Updated SOA.exe	89
PID 1828 wrote to memory of 1304	1828	Updated SOA.exe	89
PID 1828 wrote to memory of 1304	1828	Updated SOA.exe	89
PID 1828 wrote to memory of 1304	1828	Updated SOA.exe	89
PID 3548 wrote to memory of 5016	3548	Explorer.EXE	93
PID 3548 wrote to memory of 5016	3548	Explorer.EXE	93
PID 3548 wrote to memory of 5016	3548	Explorer.EXE	93
PID 5016 wrote to memory of 1512	5016	cmstp.exe	99
PID 5016 wrote to memory of 1512	5016	cmstp.exe	99
PID 5016 wrote to memory of 1512	5016	cmstp.exe	99

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3548
- C:\Users\Admin\AppData\Local\Temp\Updated SOA.exe
  "C:\Users\Admin\AppData\Local\Temp\Updated 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:1828
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\Updated SOA.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1304
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1828 -s 724
    3⤵
    - Program crash
    PID:2420
- 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:5016
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1828 -ip 1828
1⤵
PID:4828

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/1304-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1304-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1304-13-0x0000000001C00000-0x0000000001F4A000-memory.dmp

Filesize
3.3MB

Download
memory/1304-16-0x0000000002140000-0x0000000002154000-memory.dmp

Filesize
80KB

Download
memory/1828-11-0x0000000003740000-0x0000000003744000-memory.dmp

Filesize
16KB

Download
memory/3548-21-0x0000000008990000-0x0000000008B06000-memory.dmp

Filesize
1.5MB

Download
memory/3548-17-0x0000000008990000-0x0000000008B06000-memory.dmp

Filesize
1.5MB

Download
memory/3548-25-0x0000000008F00000-0x0000000009087000-memory.dmp

Filesize
1.5MB

Download
memory/3548-26-0x0000000008F00000-0x0000000009087000-memory.dmp

Filesize
1.5MB

Download
memory/3548-28-0x0000000008F00000-0x0000000009087000-memory.dmp

Filesize
1.5MB

Download
memory/5016-18-0x0000000000250000-0x0000000000266000-memory.dmp

Filesize
88KB

Download
memory/5016-19-0x0000000000250000-0x0000000000266000-memory.dmp

Filesize
88KB

Download
memory/5016-20-0x0000000001200000-0x000000000122F000-memory.dmp

Filesize
188KB

Download