formbook | dd82f88cdd4a62e9e9b5a081cbd3f98b542614ee6b0e33c2385817af92c704a1

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16/01/2025, 03:36

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General

Target

dd82f88cdd4a62e9e9b5a081cbd3f98b542614ee6b0e33c2385817af92c704a1.exe
Size

1.4MB
MD5

289754998d1520e2bec7190452c464ac
SHA1

a25755aa21ff2512d7f0b19af804c7ca81729767
SHA256

dd82f88cdd4a62e9e9b5a081cbd3f98b542614ee6b0e33c2385817af92c704a1
SHA512

03e640719eee50a99cdcfce411c940339d5f0142beb4eba5d081a9ac493059fc44be9971f1e78750584cff478941f04c6ea3d61468f8dd903a6636324353ab08
SSDEEP

24576:3qDEvCTbMWu7rQYlBQcBiT6rprG8a1pSsnwcKYQkZrUEI5DafK:3TvC/MTQYxsWR7a1Isn+k6EI

Score

10^/10

formbook bs84 discovery rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bs84

Decoy

ehuatang.quest

mart-healthcare.solutions

arehouse-inventory-59593.bond

rumpjokes.net

oonlightshadow.store

odernoob.website

sdmedia.net

0k21l6z.xyz

kwovenart.shop

chvb.bid

06ks28.buzz

grexvc.online

unnycdn02.shop

ettingitgonejunk.net

lubmango.store

ustjump.xyz

ofiveuss.store

aahasti-inter5.rest

etclcg.business

ai365.xyz

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

resource	yara_rule
behavioral2/memory/412-12-0x0000000000480000-0x00000000004AF000-memory.dmp	formbook
behavioral2/memory/412-16-0x0000000000480000-0x00000000004AF000-memory.dmp	formbook
behavioral2/memory/4944-22-0x0000000000F00000-0x0000000000F2F000-memory.dmp	formbook

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\overrough.vbs	overrough.exe

Executes dropped EXE 1 IoCs

pid	Process
1480	overrough.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x000d000000023a73-5.dat	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1480 set thread context of 412	1480	overrough.exe	85
PID 412 set thread context of 3444	412	svchost.exe	56
PID 4944 set thread context of 3444	4944	cmd.exe	56

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4100	1480	WerFault.exe	84

System Location Discovery: System Language Discovery 1 TTPs 4 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dd82f88cdd4a62e9e9b5a081cbd3f98b542614ee6b0e33c2385817af92c704a1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	overrough.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
412	svchost.exe
412	svchost.exe
412	svchost.exe
412	svchost.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe
4944	cmd.exe

Suspicious behavior: MapViewOfSection 7 IoCs

pid	Process
1480	overrough.exe
1480	overrough.exe
412	svchost.exe
412	svchost.exe
412	svchost.exe
4944	cmd.exe
4944	cmd.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	412	svchost.exe
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE
Token: SeDebugPrivilege	4944	cmd.exe

Suspicious use of FindShellTrayWindow 6 IoCs

pid	Process
1828	dd82f88cdd4a62e9e9b5a081cbd3f98b542614ee6b0e33c2385817af92c704a1.exe
1828	dd82f88cdd4a62e9e9b5a081cbd3f98b542614ee6b0e33c2385817af92c704a1.exe
1480	overrough.exe
1480	overrough.exe
3444	Explorer.EXE
3444	Explorer.EXE

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1828	dd82f88cdd4a62e9e9b5a081cbd3f98b542614ee6b0e33c2385817af92c704a1.exe
1828	dd82f88cdd4a62e9e9b5a081cbd3f98b542614ee6b0e33c2385817af92c704a1.exe
1480	overrough.exe
1480	overrough.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1828 wrote to memory of 1480	1828	dd82f88cdd4a62e9e9b5a081cbd3f98b542614ee6b0e33c2385817af92c704a1.exe	84
PID 1828 wrote to memory of 1480	1828	dd82f88cdd4a62e9e9b5a081cbd3f98b542614ee6b0e33c2385817af92c704a1.exe	84
PID 1828 wrote to memory of 1480	1828	dd82f88cdd4a62e9e9b5a081cbd3f98b542614ee6b0e33c2385817af92c704a1.exe	84
PID 1480 wrote to memory of 412	1480	overrough.exe	85
PID 1480 wrote to memory of 412	1480	overrough.exe	85
PID 1480 wrote to memory of 412	1480	overrough.exe	85
PID 1480 wrote to memory of 412	1480	overrough.exe	85
PID 3444 wrote to memory of 4944	3444	Explorer.EXE	88
PID 3444 wrote to memory of 4944	3444	Explorer.EXE	88
PID 3444 wrote to memory of 4944	3444	Explorer.EXE	88
PID 4944 wrote to memory of 3672	4944	cmd.exe	90
PID 4944 wrote to memory of 3672	4944	cmd.exe	90
PID 4944 wrote to memory of 3672	4944	cmd.exe	90

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3444
- C:\Users\Admin\AppData\Local\Temp\dd82f88cdd4a62e9e9b5a081cbd3f98b542614ee6b0e33c2385817af92c704a1.exe
  "C:\Users\Admin\AppData\Local\Temp\dd82f88cdd4a62e9e9b5a081cbd3f98b542614ee6b0e33c2385817af92c704a1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:1828
- - C:\Users\Admin\AppData\Local\antholite\overrough.exe
    "C:\Users\Admin\AppData\Local\Temp\dd82f88cdd4a62e9e9b5a081cbd3f98b542614ee6b0e33c2385817af92c704a1.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - 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:1480
  - - C:\Windows\SysWOW64\svchost.exe
      "C:\Users\Admin\AppData\Local\Temp\dd82f88cdd4a62e9e9b5a081cbd3f98b542614ee6b0e33c2385817af92c704a1.exe"
      4⤵
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      PID:412
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1480 -s 708
      4⤵
      Program crash
      PID:4100
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.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:4944
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\SysWOW64\svchost.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1480 -ip 1480
1⤵
PID:864

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

C:\Users\Admin\AppData\Local\antholite\overrough.exe

Filesize
1.4MB

MD5
289754998d1520e2bec7190452c464ac

SHA1
a25755aa21ff2512d7f0b19af804c7ca81729767

SHA256
dd82f88cdd4a62e9e9b5a081cbd3f98b542614ee6b0e33c2385817af92c704a1

SHA512
03e640719eee50a99cdcfce411c940339d5f0142beb4eba5d081a9ac493059fc44be9971f1e78750584cff478941f04c6ea3d61468f8dd903a6636324353ab08

Download Submit
memory/412-16-0x0000000000480000-0x00000000004AF000-memory.dmp

Filesize
188KB

Download
memory/412-12-0x0000000000480000-0x00000000004AF000-memory.dmp

Filesize
188KB

Download
memory/412-15-0x0000000001000000-0x000000000134A000-memory.dmp

Filesize
3.3MB

Download
memory/412-17-0x00000000007C0000-0x00000000007D4000-memory.dmp

Filesize
80KB

Download
memory/1480-10-0x0000000001710000-0x0000000001B10000-memory.dmp

Filesize
4.0MB

Download
memory/1828-2-0x00000000014B0000-0x00000000018B0000-memory.dmp

Filesize
4.0MB

Download
memory/3444-18-0x0000000008BB0000-0x0000000008D28000-memory.dmp

Filesize
1.5MB

Download
memory/3444-26-0x0000000008700000-0x00000000087D4000-memory.dmp

Filesize
848KB

Download
memory/3444-27-0x0000000008700000-0x00000000087D4000-memory.dmp

Filesize
848KB

Download
memory/3444-29-0x0000000008700000-0x00000000087D4000-memory.dmp

Filesize
848KB

Download
memory/4944-19-0x0000000000780000-0x00000000007DA000-memory.dmp

Filesize
360KB

Download
memory/4944-21-0x0000000000780000-0x00000000007DA000-memory.dmp

Filesize
360KB

Download
memory/4944-22-0x0000000000F00000-0x0000000000F2F000-memory.dmp

Filesize
188KB

Download