formbook | 461a2375bc1ab191cca91667ea8aecd498fad2b524bc81ca49eb7d5674063331

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06-08-2024 17:01

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General

Target

MalwareBazaar.exe
Size

1.2MB
MD5

6b4c8e0e5006698940118d954da9ea6b
SHA1

c9c1b519d8c44a25c14f054660a14a8c73f11ee4
SHA256

461a2375bc1ab191cca91667ea8aecd498fad2b524bc81ca49eb7d5674063331
SHA512

7484cc2ea73961b39462c9973ba79f57bf5741405f35b1a31b9a2e238cbb2e4ab082e72a46a70b5f3a5365c40ee95eabddf6c594f5159e41cb970431d6b5546b
SSDEEP

24576:EqDEvCTbMWu7rQYlBQcBiT6rprG8aul4pf4edYK:ETvC/MTQYxsWR7aucTO

Score

10^/10

formbook pt46 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

pt46

Decoy

twinportslocal.com

rovor.store

98169.club

mdywl.com

jrd3s.rest

aston1717.top

floridawoodworkingmachinery.com

17tk555t.com

ankitsho.shop

seclameh.com

realrecordlabel.com

trenchonbirmingham.com

af28.top

rtp1kenzototo.com

theselflovesite.com

promotegetpaid.info

strategiclogisticsagency.com

learneracademy.net

per-watch.com

betbox2341.com

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/1004-12-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1004-15-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4420-21-0x00000000012F0000-0x000000000131F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2920 set thread context of 1004	2920	MalwareBazaar.exe	86
PID 1004 set thread context of 3456	1004	svchost.exe	56
PID 4420 set thread context of 3456	4420	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	MalwareBazaar.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
1004	svchost.exe
1004	svchost.exe
1004	svchost.exe
1004	svchost.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe
4420	explorer.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2920	MalwareBazaar.exe
1004	svchost.exe
1004	svchost.exe
1004	svchost.exe
4420	explorer.exe
4420	explorer.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeDebugPrivilege	1004	svchost.exe
Token: SeDebugPrivilege	4420	explorer.exe
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2920	MalwareBazaar.exe
2920	MalwareBazaar.exe
3456	Explorer.EXE
3456	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2920	MalwareBazaar.exe
2920	MalwareBazaar.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3456	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2920 wrote to memory of 1004	2920	MalwareBazaar.exe	86
PID 2920 wrote to memory of 1004	2920	MalwareBazaar.exe	86
PID 2920 wrote to memory of 1004	2920	MalwareBazaar.exe	86
PID 2920 wrote to memory of 1004	2920	MalwareBazaar.exe	86
PID 3456 wrote to memory of 4420	3456	Explorer.EXE	87
PID 3456 wrote to memory of 4420	3456	Explorer.EXE	87
PID 3456 wrote to memory of 4420	3456	Explorer.EXE	87
PID 4420 wrote to memory of 2636	4420	explorer.exe	88
PID 4420 wrote to memory of 2636	4420	explorer.exe	88
PID 4420 wrote to memory of 2636	4420	explorer.exe	88

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:3456
- C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe
  "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.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:2920
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:1004
- 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:4420
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2636

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/1004-15-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1004-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1004-13-0x0000000001B00000-0x0000000001E4A000-memory.dmp

Filesize
3.3MB

Download
memory/1004-16-0x0000000001E70000-0x0000000001E84000-memory.dmp

Filesize
80KB

Download
memory/2920-11-0x0000000004130000-0x0000000004134000-memory.dmp

Filesize
16KB

Download
memory/3456-23-0x0000000008CB0000-0x0000000008DDD000-memory.dmp

Filesize
1.2MB

Download
memory/3456-17-0x0000000008CB0000-0x0000000008DDD000-memory.dmp

Filesize
1.2MB

Download
memory/3456-26-0x0000000003310000-0x00000000033AA000-memory.dmp

Filesize
616KB

Download
memory/3456-27-0x0000000003310000-0x00000000033AA000-memory.dmp

Filesize
616KB

Download
memory/3456-30-0x0000000003310000-0x00000000033AA000-memory.dmp

Filesize
616KB

Download
memory/4420-18-0x0000000000260000-0x0000000000693000-memory.dmp

Filesize
4.2MB

Download
memory/4420-20-0x0000000000260000-0x0000000000693000-memory.dmp

Filesize
4.2MB

Download
memory/4420-21-0x00000000012F0000-0x000000000131F000-memory.dmp

Filesize
188KB

Download