formbook | 10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20

Analysis

max time kernel
146s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 03:32

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General

Target

10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.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/1180-24-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1180-27-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2908-30-0x00000000000D0000-0x00000000000FF000-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
2208	powershell.exe
2848	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1704 set thread context of 1180	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	37
PID 1180 set thread context of 1204	1180	RegSvcs.exe	21
PID 1180 set thread context of 1204	1180	RegSvcs.exe	21
PID 2908 set thread context of 1204	2908	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	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2744	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe
1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe
2848	powershell.exe
1180	RegSvcs.exe
2208	powershell.exe
1180	RegSvcs.exe
1180	RegSvcs.exe
2908	help.exe
2908	help.exe
2908	help.exe
2908	help.exe
2908	help.exe
2908	help.exe
2908	help.exe
2908	help.exe
2908	help.exe
2908	help.exe
2908	help.exe
2908	help.exe
2908	help.exe
2908	help.exe
2908	help.exe
2908	help.exe
2908	help.exe
2908	help.exe
2908	help.exe
2908	help.exe
2908	help.exe
2908	help.exe
2908	help.exe
2908	help.exe
2908	help.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1180	RegSvcs.exe
1180	RegSvcs.exe
1180	RegSvcs.exe
1180	RegSvcs.exe
2908	help.exe
2908	help.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe
Token: SeDebugPrivilege	2848	powershell.exe
Token: SeDebugPrivilege	2208	powershell.exe
Token: SeDebugPrivilege	1180	RegSvcs.exe
Token: SeDebugPrivilege	2908	help.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 2208	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	31
PID 1704 wrote to memory of 2208	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	31
PID 1704 wrote to memory of 2208	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	31
PID 1704 wrote to memory of 2208	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	31
PID 1704 wrote to memory of 2848	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	33
PID 1704 wrote to memory of 2848	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	33
PID 1704 wrote to memory of 2848	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	33
PID 1704 wrote to memory of 2848	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	33
PID 1704 wrote to memory of 2744	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	35
PID 1704 wrote to memory of 2744	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	35
PID 1704 wrote to memory of 2744	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	35
PID 1704 wrote to memory of 2744	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	35
PID 1704 wrote to memory of 1180	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	37
PID 1704 wrote to memory of 1180	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	37
PID 1704 wrote to memory of 1180	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	37
PID 1704 wrote to memory of 1180	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	37
PID 1704 wrote to memory of 1180	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	37
PID 1704 wrote to memory of 1180	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	37
PID 1704 wrote to memory of 1180	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	37
PID 1704 wrote to memory of 1180	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	37
PID 1704 wrote to memory of 1180	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	37
PID 1704 wrote to memory of 1180	1704	10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe	37
PID 1204 wrote to memory of 2908	1204	Explorer.EXE	38
PID 1204 wrote to memory of 2908	1204	Explorer.EXE	38
PID 1204 wrote to memory of 2908	1204	Explorer.EXE	38
PID 1204 wrote to memory of 2908	1204	Explorer.EXE	38
PID 2908 wrote to memory of 2128	2908	help.exe	39
PID 2908 wrote to memory of 2128	2908	help.exe	39
PID 2908 wrote to memory of 2128	2908	help.exe	39
PID 2908 wrote to memory of 2128	2908	help.exe	39

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1204
- C:\Users\Admin\AppData\Local\Temp\10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe
  "C:\Users\Admin\AppData\Local\Temp\10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1704
- - 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\10b78bea9f7acc71be5868fb39e4941c06ec08c4b0ea25b0957ec6b63fe37e20.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2208
- - 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:2848
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sHjGErDAO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD7C9.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2744
- - 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:1180
- 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:2908
- - 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:2128

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\tmpD7C9.tmp

Filesize
1KB

MD5
eaab689410ada6bec3c30d2175ae1bea

SHA1
0658724cc5c566758c2e386e968828379252423b

SHA256
0934af5e3be20e775c4f57bb81165a007106a1fa4398e2da43484c093e64ebd1

SHA512
a2b47c88fb4e5682728db76ae456604e4db6624422bf94fa9ebdfde9ec34bd35144f42f441eddad303283a37d5fdc2a60e185659c96099d6076015e11b888c18

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\D3PF5DH9OIAWG0GJZ52C.temp

Filesize
7KB

MD5
6799cbd9da81723e75a4833269e06f18

SHA1
65bcc2a5877ab4c8b1d15dffe188967a483587ac

SHA256
4ec82a4bc29f8b5edc9c341f532fd56c6a9a8861f33660ad37088fdb1977980d

SHA512
ca57c671a308463d730884339dd11f3b10ef397d4cad052356efcd7e82fdca16bf00bcfe26a8a1fb0c57fadb46d43e8ce7450985632f1887fb3bf852084694db

Download Submit
memory/1180-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1180-24-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1180-27-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1180-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1180-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1204-28-0x00000000050D0000-0x0000000005207000-memory.dmp

Filesize
1.2MB

Download
memory/1704-25-0x0000000074270000-0x000000007495E000-memory.dmp

Filesize
6.9MB

Download
memory/1704-3-0x0000000000320000-0x000000000033E000-memory.dmp

Filesize
120KB

Download
memory/1704-1-0x00000000011A0000-0x0000000001278000-memory.dmp

Filesize
864KB

Download
memory/1704-2-0x0000000074270000-0x000000007495E000-memory.dmp

Filesize
6.9MB

Download
memory/1704-0-0x000000007427E000-0x000000007427F000-memory.dmp

Filesize
4KB

Download
memory/1704-6-0x0000000000440000-0x00000000004BA000-memory.dmp

Filesize
488KB

Download
memory/1704-5-0x0000000074270000-0x000000007495E000-memory.dmp

Filesize
6.9MB

Download
memory/1704-4-0x000000007427E000-0x000000007427F000-memory.dmp

Filesize
4KB

Download
memory/2908-29-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2908-30-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download