formbook | 218aebb6a74aebc7633d14855dff3fb6e0dee2e5f36916e6bdc432373ff87b53

Analysis

max time kernel
300s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-09-2024 17:57

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General

Target

nmGdVmAxebb5aEP.exe
Size

729KB
MD5

8f2603c9822b7e98f2544b83f7ad6b55
SHA1

48f8dde1f2db0d50abcbbf0fe461791a51068ad5
SHA256

64a9613231cf8cca0624c38a480986b8ee7726390aeb3c662698fd9e156315ef
SHA512

0719d967f49bb27d11821662b2b78c39919929ea4a08aded80b2dd979ca74705e00b7f8c8444ccbf5fef56d413bb1253c61556bd7173cea18795078b10e394a9
SSDEEP

12288:QeiOX6A1n0YcGAOb6CMwlBvN2v9C++3YRxJ/GpBg2S:QeiJGnHAOb6CbZh3WxJ/

Score

10^/10

formbook sx01 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

sx01

Decoy

r-salessolutions.xyz

jdh1.info

olar-panel-jobs-93084.bond

aebrasil.shop

oshua-xaaaa.buzz

xzkm.shop

nitedviplumbing.net

nnevateknoloji.xyz

rg-a.biz

indow-replacement-34091.bond

uyersagent3percent.net

ostbag.net

ibosolv.net

ahve.today

ophotshotjobs.today

emoreez.art

ift-chairs-94905.bond

okerdom-e.best

stagr.fun

irtyf-ingrancher.info

Signatures

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

Formbook payload 4 IoCs

rat

resource	yara_rule
behavioral1/memory/2608-13-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2608-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2608-21-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1708-23-0x0000000000080000-0x00000000000AF000-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

pid	Process
2880	powershell.exe

Deletes itself 1 IoCs

pid	Process
2472	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2724 set thread context of 2608	2724	nmGdVmAxebb5aEP.exe	32
PID 2608 set thread context of 1228	2608	nmGdVmAxebb5aEP.exe	21
PID 2608 set thread context of 1228	2608	nmGdVmAxebb5aEP.exe	21
PID 1708 set thread context of 1228	1708	ipconfig.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 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	nmGdVmAxebb5aEP.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
1708	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 59 IoCs

pid	Process
2608	nmGdVmAxebb5aEP.exe
2608	nmGdVmAxebb5aEP.exe
2880	powershell.exe
2608	nmGdVmAxebb5aEP.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe
1708	ipconfig.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2608	nmGdVmAxebb5aEP.exe
2608	nmGdVmAxebb5aEP.exe
2608	nmGdVmAxebb5aEP.exe
2608	nmGdVmAxebb5aEP.exe
1708	ipconfig.exe
1708	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2608	nmGdVmAxebb5aEP.exe
Token: SeDebugPrivilege	2880	powershell.exe
Token: SeDebugPrivilege	1708	ipconfig.exe
Token: SeShutdownPrivilege	1228	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2724 wrote to memory of 2880	2724	nmGdVmAxebb5aEP.exe	30
PID 2724 wrote to memory of 2880	2724	nmGdVmAxebb5aEP.exe	30
PID 2724 wrote to memory of 2880	2724	nmGdVmAxebb5aEP.exe	30
PID 2724 wrote to memory of 2880	2724	nmGdVmAxebb5aEP.exe	30
PID 2724 wrote to memory of 2608	2724	nmGdVmAxebb5aEP.exe	32
PID 2724 wrote to memory of 2608	2724	nmGdVmAxebb5aEP.exe	32
PID 2724 wrote to memory of 2608	2724	nmGdVmAxebb5aEP.exe	32
PID 2724 wrote to memory of 2608	2724	nmGdVmAxebb5aEP.exe	32
PID 2724 wrote to memory of 2608	2724	nmGdVmAxebb5aEP.exe	32
PID 2724 wrote to memory of 2608	2724	nmGdVmAxebb5aEP.exe	32
PID 2724 wrote to memory of 2608	2724	nmGdVmAxebb5aEP.exe	32
PID 1228 wrote to memory of 1708	1228	Explorer.EXE	33
PID 1228 wrote to memory of 1708	1228	Explorer.EXE	33
PID 1228 wrote to memory of 1708	1228	Explorer.EXE	33
PID 1228 wrote to memory of 1708	1228	Explorer.EXE	33
PID 1708 wrote to memory of 2472	1708	ipconfig.exe	34
PID 1708 wrote to memory of 2472	1708	ipconfig.exe	34
PID 1708 wrote to memory of 2472	1708	ipconfig.exe	34
PID 1708 wrote to memory of 2472	1708	ipconfig.exe	34

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1228
- C:\Users\Admin\AppData\Local\Temp\nmGdVmAxebb5aEP.exe
  "C:\Users\Admin\AppData\Local\Temp\nmGdVmAxebb5aEP.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2724
- - 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\nmGdVmAxebb5aEP.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2880
- - C:\Users\Admin\AppData\Local\Temp\nmGdVmAxebb5aEP.exe
    "C:\Users\Admin\AppData\Local\Temp\nmGdVmAxebb5aEP.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2608
- C:\Windows\SysWOW64\ipconfig.exe
  "C:\Windows\SysWOW64\ipconfig.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Gathers network information
  - 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\nmGdVmAxebb5aEP.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    PID:2472

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

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

memory/1228-20-0x0000000006A00000-0x0000000006AC6000-memory.dmp

Filesize
792KB

Download
memory/1708-23-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/1708-22-0x0000000000B40000-0x0000000000B4A000-memory.dmp

Filesize
40KB

Download
memory/2608-17-0x0000000000850000-0x0000000000B53000-memory.dmp

Filesize
3.0MB

Download
memory/2608-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2608-21-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2608-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2608-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2608-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2608-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2724-4-0x000000007481E000-0x000000007481F000-memory.dmp

Filesize
4KB

Download
memory/2724-14-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2724-0-0x000000007481E000-0x000000007481F000-memory.dmp

Filesize
4KB

Download
memory/2724-6-0x0000000005250000-0x00000000052C6000-memory.dmp

Filesize
472KB

Download
memory/2724-3-0x0000000000AA0000-0x0000000000AB0000-memory.dmp

Filesize
64KB

Download
memory/2724-5-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2724-2-0x0000000074810000-0x0000000074EFE000-memory.dmp

Filesize
6.9MB

Download
memory/2724-1-0x0000000000E10000-0x0000000000ECC000-memory.dmp

Filesize
752KB

Download