formbook | e8cf00569afc2505968b3661a49320bc7c8e2cb4338719b66aae88fc7429927e

Analysis

max time kernel
146s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
31/01/2025, 04:36

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General

Target

MtpEVOhIlX08ZbN.exe
Size

835KB
MD5

ff5640b9478170f504c7a344f2cfd2f0
SHA1

3ada7fc9fd12140209115cda646b3ecb1a8c8ec4
SHA256

10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20
SHA512

db9e03be02bb52112cef4622bfe2d134b87f9e66227501d50326138aab17fcaf7aef91950e4131b3fdaa7d1b960fafc5284a181ef53351ae7d377502ffc7f6b8
SSDEEP

12288:fEUM8HCoR6k/LbPWJxKXuNMe7IiSR61+7iRTKJq5:MUMRCNLbOSX67IiU61+7In

Score

10^/10

formbook b02a discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

b02a

Decoy

nnovate.host

yrvo.shop

obify.party

55665.one

vlisazouasiul.store

arjohbs.shop

mjsccc5716.shop

nfluencer-marketing-86606.bond

atellite-internet-74549.bond

arehouse-inventory-82506.bond

kanzaturf.net

airbypatrickmcguire.net

90880a15.buzz

ancake888.info

hopcroma.store

usinessloanscanada524285.icu

mdjr.world

9kct.xyz

ombrd.finance

luratu.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
behavioral1/memory/2764-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2764-28-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/836-31-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
948	powershell.exe
2856	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2340 set thread context of 2764	2340	MtpEVOhIlX08ZbN.exe	37
PID 2764 set thread context of 1260	2764	RegSvcs.exe	21
PID 2764 set thread context of 1260	2764	RegSvcs.exe	21
PID 836 set thread context of 1260	836	help.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MtpEVOhIlX08ZbN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	help.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

pid	Process
2184	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2340	MtpEVOhIlX08ZbN.exe
2856	powershell.exe
948	powershell.exe
2340	MtpEVOhIlX08ZbN.exe
2764	RegSvcs.exe
2764	RegSvcs.exe
2764	RegSvcs.exe
836	help.exe
836	help.exe
836	help.exe
836	help.exe
836	help.exe
836	help.exe
836	help.exe
836	help.exe
836	help.exe
836	help.exe
836	help.exe
836	help.exe
836	help.exe
836	help.exe
836	help.exe
836	help.exe
836	help.exe
836	help.exe
836	help.exe
836	help.exe
836	help.exe
836	help.exe
836	help.exe
836	help.exe
836	help.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2764	RegSvcs.exe
2764	RegSvcs.exe
2764	RegSvcs.exe
2764	RegSvcs.exe
836	help.exe
836	help.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2340	MtpEVOhIlX08ZbN.exe
Token: SeDebugPrivilege	2856	powershell.exe
Token: SeDebugPrivilege	948	powershell.exe
Token: SeDebugPrivilege	2764	RegSvcs.exe
Token: SeDebugPrivilege	836	help.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 948	2340	MtpEVOhIlX08ZbN.exe	31
PID 2340 wrote to memory of 948	2340	MtpEVOhIlX08ZbN.exe	31
PID 2340 wrote to memory of 948	2340	MtpEVOhIlX08ZbN.exe	31
PID 2340 wrote to memory of 948	2340	MtpEVOhIlX08ZbN.exe	31
PID 2340 wrote to memory of 2856	2340	MtpEVOhIlX08ZbN.exe	33
PID 2340 wrote to memory of 2856	2340	MtpEVOhIlX08ZbN.exe	33
PID 2340 wrote to memory of 2856	2340	MtpEVOhIlX08ZbN.exe	33
PID 2340 wrote to memory of 2856	2340	MtpEVOhIlX08ZbN.exe	33
PID 2340 wrote to memory of 2184	2340	MtpEVOhIlX08ZbN.exe	34
PID 2340 wrote to memory of 2184	2340	MtpEVOhIlX08ZbN.exe	34
PID 2340 wrote to memory of 2184	2340	MtpEVOhIlX08ZbN.exe	34
PID 2340 wrote to memory of 2184	2340	MtpEVOhIlX08ZbN.exe	34
PID 2340 wrote to memory of 2764	2340	MtpEVOhIlX08ZbN.exe	37
PID 2340 wrote to memory of 2764	2340	MtpEVOhIlX08ZbN.exe	37
PID 2340 wrote to memory of 2764	2340	MtpEVOhIlX08ZbN.exe	37
PID 2340 wrote to memory of 2764	2340	MtpEVOhIlX08ZbN.exe	37
PID 2340 wrote to memory of 2764	2340	MtpEVOhIlX08ZbN.exe	37
PID 2340 wrote to memory of 2764	2340	MtpEVOhIlX08ZbN.exe	37
PID 2340 wrote to memory of 2764	2340	MtpEVOhIlX08ZbN.exe	37
PID 2340 wrote to memory of 2764	2340	MtpEVOhIlX08ZbN.exe	37
PID 2340 wrote to memory of 2764	2340	MtpEVOhIlX08ZbN.exe	37
PID 2340 wrote to memory of 2764	2340	MtpEVOhIlX08ZbN.exe	37
PID 1260 wrote to memory of 836	1260	Explorer.EXE	38
PID 1260 wrote to memory of 836	1260	Explorer.EXE	38
PID 1260 wrote to memory of 836	1260	Explorer.EXE	38
PID 1260 wrote to memory of 836	1260	Explorer.EXE	38
PID 836 wrote to memory of 1688	836	help.exe	39
PID 836 wrote to memory of 1688	836	help.exe	39
PID 836 wrote to memory of 1688	836	help.exe	39
PID 836 wrote to memory of 1688	836	help.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Users\Admin\AppData\Local\Temp\MtpEVOhIlX08ZbN.exe
  "C:\Users\Admin\AppData\Local\Temp\MtpEVOhIlX08ZbN.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2340
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\MtpEVOhIlX08ZbN.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:948
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sHjGErDAO.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2856
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sHjGErDAO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCFC.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2184
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2764
- C:\Windows\SysWOW64\help.exe
  "C:\Windows\SysWOW64\help.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:836
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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\Temp\tmpCFC.tmp

Filesize
1KB

MD5
8a4ef341c6fc44691cd47596190fe388

SHA1
04648d0daac9f69c5aa0fe085a1de357012cfc6f

SHA256
445204f74ca962d32846096c2c662b04a94629e6849a25eea54b9dcc347d87df

SHA512
6b4cd297a42c878f7b86b4a42aedae1cf9d614d16c691de34946cf10372fce3e2bb509005c30de90ba102db141f86233fb4ab8d9c3b58c74764ac418f3b62973

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
34138cb6718dbd80fa3eb0ab25d3433a

SHA1
6588131edd53c5fa3059ccdb7bed3ea520ffbf57

SHA256
003efcb84ade18687c24eb61c4ae760d55d8b4f788d2ba53a68f6e8f9ee237c5

SHA512
202ae01a70efd48fff37f04b6de58b7d998b4952133aee3daa9e9af6885e419b1deb5343db128f7280d1786fb5c98b377be93f2db7fb222e3c274efd48694e27

Download Submit
memory/836-31-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/836-30-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/1260-29-0x00000000072D0000-0x000000000740B000-memory.dmp

Filesize
1.2MB

Download
memory/1260-26-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/2340-4-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/2340-6-0x0000000000970000-0x00000000009EA000-memory.dmp

Filesize
488KB

Download
memory/2340-5-0x0000000074680000-0x0000000074D6E000-memory.dmp

Filesize
6.9MB

Download
memory/2340-0-0x000000007468E000-0x000000007468F000-memory.dmp

Filesize
4KB

Download
memory/2340-27-0x0000000074680000-0x0000000074D6E000-memory.dmp

Filesize
6.9MB

Download
memory/2340-3-0x0000000000690000-0x00000000006AE000-memory.dmp

Filesize
120KB

Download
memory/2340-2-0x0000000074680000-0x0000000074D6E000-memory.dmp

Filesize
6.9MB

Download
memory/2340-1-0x0000000000BC0000-0x0000000000C98000-memory.dmp

Filesize
864KB

Download
memory/2764-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2764-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2764-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2764-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2764-28-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download