formbook | 88795ccbb26f764aa31d3e28c8df85f970334a67bc61b06682745b185900ea75

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-11-2024 05:41

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General

Target

PO.exe
Size

1.3MB
MD5

4642ca8583e94f1d76e01db9f79185db
SHA1

1b2e96a56d4e91d2aebe9468ccc0c1e275d96a3a
SHA256

88795ccbb26f764aa31d3e28c8df85f970334a67bc61b06682745b185900ea75
SHA512

fd8f54f3f1d2667d627c81dcd4380618081fbac7cd3a9c29653cd9a5710f3c7b33de383aed47ca3138beb6090d02f50ed60d24363934f29904700ee8e318f612
SSDEEP

24576:P5EmXFtKaL4/oFe5T9yyXYfP1ijXda5nRbWfcnnAvKyS+SkAtm+:PPVt/LZeJbInQRa5RgYnvySbkA

Score

10^/10

formbook cl21 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cl21

Decoy

0001.shop

earch-parttimejobs.today

are888.top

akanhaunthipped.shop

othing-heyu.xyz

cadvirsor.net

nclanalae.shop

lectric-cars-mexico.today

oxj-question.xyz

ersonalloanoffers.today

ersonalloans-fo54-fo37.click

verybody-ewfx.xyz

ercuremontauban.media

azilimdunyam.net

airs-clinicato.today

wiftsscend.click

ertainly-jbws.xyz

8xeng.app

damekadmitageable.cfd

ollapsedec.shop

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Formbook family
formbook

Formbook payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/916-3-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/916-6-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1144-12-0x0000000000E00000-0x0000000000E2F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

PO.exesvchost.exenetsh.exe

description	pid	Process	procid_target
PID 3888 set thread context of 916	3888	PO.exe	86
PID 916 set thread context of 3548	916	svchost.exe	56
PID 1144 set thread context of 3548	1144	netsh.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

Processes:

PO.exenetsh.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

Processes:

svchost.exenetsh.exe

pid	Process
916	svchost.exe
916	svchost.exe
916	svchost.exe
916	svchost.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe
1144	netsh.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

PO.exesvchost.exenetsh.exe

pid	Process
3888	PO.exe
916	svchost.exe
916	svchost.exe
916	svchost.exe
1144	netsh.exe
1144	netsh.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

svchost.exenetsh.exe

description	pid	Process
Token: SeDebugPrivilege	916	svchost.exe
Token: SeDebugPrivilege	1144	netsh.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

PO.exe

pid	Process
3888	PO.exe
3888	PO.exe

Suspicious use of SendNotifyMessage 2 IoCs

Processes:

PO.exe

pid	Process
3888	PO.exe
3888	PO.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid	Process
3548	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

PO.exeExplorer.EXEnetsh.exe

description	pid	Process	procid_target
PID 3888 wrote to memory of 916	3888	PO.exe	86
PID 3888 wrote to memory of 916	3888	PO.exe	86
PID 3888 wrote to memory of 916	3888	PO.exe	86
PID 3888 wrote to memory of 916	3888	PO.exe	86
PID 3548 wrote to memory of 1144	3548	Explorer.EXE	87
PID 3548 wrote to memory of 1144	3548	Explorer.EXE	87
PID 3548 wrote to memory of 1144	3548	Explorer.EXE	87
PID 1144 wrote to memory of 4852	1144	netsh.exe	91
PID 1144 wrote to memory of 4852	1144	netsh.exe	91
PID 1144 wrote to memory of 4852	1144	netsh.exe	91

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3548
- C:\Users\Admin\AppData\Local\Temp\PO.exe
  "C:\Users\Admin\AppData\Local\Temp\PO.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:3888
- - C:\Windows\SysWOW64\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\PO.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:916
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\SysWOW64\netsh.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:1144
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4852

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/916-7-0x0000000001AA0000-0x0000000001AB4000-memory.dmp

Filesize
80KB

Download
memory/916-3-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/916-4-0x0000000001B00000-0x0000000001E4A000-memory.dmp

Filesize
3.3MB

Download
memory/916-6-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1144-11-0x00000000015E0000-0x00000000015FE000-memory.dmp

Filesize
120KB

Download
memory/1144-9-0x00000000015E0000-0x00000000015FE000-memory.dmp

Filesize
120KB

Download
memory/1144-12-0x0000000000E00000-0x0000000000E2F000-memory.dmp

Filesize
188KB

Download
memory/3548-8-0x00000000026A0000-0x0000000002755000-memory.dmp

Filesize
724KB

Download
memory/3548-13-0x00000000026A0000-0x0000000002755000-memory.dmp

Filesize
724KB

Download
memory/3548-17-0x0000000006E20000-0x0000000006EE9000-memory.dmp

Filesize
804KB

Download
memory/3548-18-0x0000000006E20000-0x0000000006EE9000-memory.dmp

Filesize
804KB

Download
memory/3548-20-0x0000000006E20000-0x0000000006EE9000-memory.dmp

Filesize
804KB

Download
memory/3888-2-0x00000000013E0000-0x00000000017E0000-memory.dmp

Filesize
4.0MB

Download