formbook | 4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50

General

Target

M12464.exe
Size

743KB
MD5

b3055c75b563421ec8cc8ec1f4ef8390
SHA1

4414bb16c23fd366404549b06f4d167aa1e86109
SHA256

4af0929bd0f58119fc1d0a81205f20e32411d76eedca5bc5a3547cb9707a0f50
SHA512

0343b4e8940f782839e8173152563397a9c8c6c450f372b02e127b37ac8173209e9843c181556865584bb12abc181895efae4e08a2e48bc2d08e80704f77b545
SSDEEP

12288:wnCb+eCSmttm1P+jXIrBz1HwN2MIKLD4eRV8HenDqfHMHTlsp9byUdOUR0:wuC7tR2XHbMR0UVWfMzlspx9dtR0

Score

10^/10

formbook hy29 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hy29

Decoy

obswell.online

etflix.luxury

ulunguwethu.store

ulbcenter.shop

nswering-service-mi-de-tt.click

upport-marketplace84.click

wepxbd163.lat

mplants-doctors.today

aofexf90yj.top

hermodynamic.space

dfg3n489.cyou

off.gay

alkak.cam

ijanarko.net

7tl.site

yaanincma.store

ires-47022.bond

elek4dalt77.xyz

foxsakepeople.online

ndefeatedqs.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
behavioral1/memory/2024-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2024-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1708-25-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

Processes:

powershell.exe

pid	Process
2628	powershell.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid	Process
2552	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

M12464.exeM12464.exeraserver.exe

description	pid	Process	procid_target
PID 2728 set thread context of 2024	2728	M12464.exe	34
PID 2024 set thread context of 1192	2024	M12464.exe	21
PID 2024 set thread context of 1192	2024	M12464.exe	21
PID 1708 set thread context of 1192	1708	raserver.exe	21

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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:

schtasks.exeM12464.exeraserver.execmd.exeM12464.exepowershell.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	M12464.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	raserver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	M12464.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exe

pid	Process
2584	schtasks.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

M12464.exepowershell.exeraserver.exe

pid	Process
2024	M12464.exe
2024	M12464.exe
2628	powershell.exe
2024	M12464.exe
1708	raserver.exe
1708	raserver.exe
1708	raserver.exe
1708	raserver.exe
1708	raserver.exe
1708	raserver.exe
1708	raserver.exe
1708	raserver.exe
1708	raserver.exe
1708	raserver.exe
1708	raserver.exe
1708	raserver.exe
1708	raserver.exe
1708	raserver.exe
1708	raserver.exe
1708	raserver.exe
1708	raserver.exe
1708	raserver.exe
1708	raserver.exe
1708	raserver.exe
1708	raserver.exe
1708	raserver.exe
1708	raserver.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

M12464.exeraserver.exe

pid	Process
2024	M12464.exe
2024	M12464.exe
2024	M12464.exe
2024	M12464.exe
1708	raserver.exe
1708	raserver.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

M12464.exepowershell.exeraserver.exe

description	pid	Process
Token: SeDebugPrivilege	2024	M12464.exe
Token: SeDebugPrivilege	2628	powershell.exe
Token: SeDebugPrivilege	1708	raserver.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

M12464.exeM12464.exeraserver.exe

description	pid	Process	procid_target
PID 2728 wrote to memory of 2628	2728	M12464.exe	30
PID 2728 wrote to memory of 2628	2728	M12464.exe	30
PID 2728 wrote to memory of 2628	2728	M12464.exe	30
PID 2728 wrote to memory of 2628	2728	M12464.exe	30
PID 2728 wrote to memory of 2584	2728	M12464.exe	32
PID 2728 wrote to memory of 2584	2728	M12464.exe	32
PID 2728 wrote to memory of 2584	2728	M12464.exe	32
PID 2728 wrote to memory of 2584	2728	M12464.exe	32
PID 2728 wrote to memory of 2024	2728	M12464.exe	34
PID 2728 wrote to memory of 2024	2728	M12464.exe	34
PID 2728 wrote to memory of 2024	2728	M12464.exe	34
PID 2728 wrote to memory of 2024	2728	M12464.exe	34
PID 2728 wrote to memory of 2024	2728	M12464.exe	34
PID 2728 wrote to memory of 2024	2728	M12464.exe	34
PID 2728 wrote to memory of 2024	2728	M12464.exe	34
PID 2024 wrote to memory of 1708	2024	M12464.exe	36
PID 2024 wrote to memory of 1708	2024	M12464.exe	36
PID 2024 wrote to memory of 1708	2024	M12464.exe	36
PID 2024 wrote to memory of 1708	2024	M12464.exe	36
PID 1708 wrote to memory of 2552	1708	raserver.exe	37
PID 1708 wrote to memory of 2552	1708	raserver.exe	37
PID 1708 wrote to memory of 2552	1708	raserver.exe	37
PID 1708 wrote to memory of 2552	1708	raserver.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\M12464.exe
  "C:\Users\Admin\AppData\Local\Temp\M12464.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2728
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JRDVLXiqHJ.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2628
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JRDVLXiqHJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB432.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2584
- - C:\Users\Admin\AppData\Local\Temp\M12464.exe
    "C:\Users\Admin\AppData\Local\Temp\M12464.exe"
    3⤵
    - 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:2024
  - - C:\Windows\SysWOW64\raserver.exe
      "C:\Windows\SysWOW64\raserver.exe"
      4⤵
      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:1708
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\M12464.exe"
        5⤵
        Deletes itself
        System Location Discovery: System Language Discovery
        
        PID:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB432.tmp

Filesize
1KB

MD5
db5d8e0fce91b187f897fea364288426

SHA1
36fbfec592fca3bc08d0bfb40036ad352b37e215

SHA256
24c7e1771d20103facd5f49e1dca32b09ea955ece80308fd9d4b055415812992

SHA512
6aea6ec06e67d58b0f3ae5558d45119ed412ca884995c5dc30a80feff201925315152236d276e1429a29edc3a538f43cac83a9ef9a2beece6e2b73277240a44b

Download Submit
memory/1192-26-0x00000000072E0000-0x000000000741B000-memory.dmp

Filesize
1.2MB

Download
memory/1192-22-0x0000000003B30000-0x0000000003C30000-memory.dmp

Filesize
1024KB

Download
memory/1708-25-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1708-24-0x0000000000590000-0x00000000005AC000-memory.dmp

Filesize
112KB

Download
memory/2024-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2024-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2024-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2024-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2024-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-4-0x0000000073F4E000-0x0000000073F4F000-memory.dmp

Filesize
4KB

Download
memory/2728-6-0x0000000005DA0000-0x0000000005E18000-memory.dmp

Filesize
480KB

Download
memory/2728-20-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download
memory/2728-5-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download
memory/2728-0-0x0000000073F4E000-0x0000000073F4F000-memory.dmp

Filesize
4KB

Download
memory/2728-3-0x00000000003A0000-0x00000000003BC000-memory.dmp

Filesize
112KB

Download
memory/2728-2-0x0000000073F40000-0x000000007462E000-memory.dmp

Filesize
6.9MB

Download
memory/2728-1-0x0000000000E90000-0x0000000000F50000-memory.dmp

Filesize
768KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads