formbook | 218aebb6a74aebc7633d14855dff3fb6e0dee2e5f36916e6bdc432373ff87b53

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 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2720-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2720-22-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2564-23-0x00000000000C0000-0x00000000000EF000-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
2912	powershell.exe

Deletes itself 1 IoCs

pid	Process
2016	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2776 set thread context of 2720	2776	nmGdVmAxebb5aEP.exe	33
PID 2720 set thread context of 1260	2720	nmGdVmAxebb5aEP.exe	21
PID 2564 set thread context of 1260	2564	colorcpl.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	colorcpl.exe
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

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2776	nmGdVmAxebb5aEP.exe
2776	nmGdVmAxebb5aEP.exe
2720	nmGdVmAxebb5aEP.exe
2720	nmGdVmAxebb5aEP.exe
2912	powershell.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe
2564	colorcpl.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2720	nmGdVmAxebb5aEP.exe
2720	nmGdVmAxebb5aEP.exe
2720	nmGdVmAxebb5aEP.exe
2564	colorcpl.exe
2564	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2776	nmGdVmAxebb5aEP.exe
Token: SeDebugPrivilege	2720	nmGdVmAxebb5aEP.exe
Token: SeDebugPrivilege	2912	powershell.exe
Token: SeDebugPrivilege	2564	colorcpl.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2912	2776	nmGdVmAxebb5aEP.exe	30
PID 2776 wrote to memory of 2912	2776	nmGdVmAxebb5aEP.exe	30
PID 2776 wrote to memory of 2912	2776	nmGdVmAxebb5aEP.exe	30
PID 2776 wrote to memory of 2912	2776	nmGdVmAxebb5aEP.exe	30
PID 2776 wrote to memory of 2604	2776	nmGdVmAxebb5aEP.exe	32
PID 2776 wrote to memory of 2604	2776	nmGdVmAxebb5aEP.exe	32
PID 2776 wrote to memory of 2604	2776	nmGdVmAxebb5aEP.exe	32
PID 2776 wrote to memory of 2604	2776	nmGdVmAxebb5aEP.exe	32
PID 2776 wrote to memory of 2720	2776	nmGdVmAxebb5aEP.exe	33
PID 2776 wrote to memory of 2720	2776	nmGdVmAxebb5aEP.exe	33
PID 2776 wrote to memory of 2720	2776	nmGdVmAxebb5aEP.exe	33
PID 2776 wrote to memory of 2720	2776	nmGdVmAxebb5aEP.exe	33
PID 2776 wrote to memory of 2720	2776	nmGdVmAxebb5aEP.exe	33
PID 2776 wrote to memory of 2720	2776	nmGdVmAxebb5aEP.exe	33
PID 2776 wrote to memory of 2720	2776	nmGdVmAxebb5aEP.exe	33
PID 1260 wrote to memory of 2564	1260	Explorer.EXE	35
PID 1260 wrote to memory of 2564	1260	Explorer.EXE	35
PID 1260 wrote to memory of 2564	1260	Explorer.EXE	35
PID 1260 wrote to memory of 2564	1260	Explorer.EXE	35
PID 2564 wrote to memory of 2016	2564	colorcpl.exe	36
PID 2564 wrote to memory of 2016	2564	colorcpl.exe	36
PID 2564 wrote to memory of 2016	2564	colorcpl.exe	36
PID 2564 wrote to memory of 2016	2564	colorcpl.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1260
- 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 behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2776
- - 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:2912
- - C:\Users\Admin\AppData\Local\Temp\nmGdVmAxebb5aEP.exe
    "C:\Users\Admin\AppData\Local\Temp\nmGdVmAxebb5aEP.exe"
    3⤵
    PID:2604
- - 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:2720
- C:\Windows\SysWOW64\autoconv.exe
  "C:\Windows\SysWOW64\autoconv.exe"
  2⤵
  PID:308
- C:\Windows\SysWOW64\colorcpl.exe
  "C:\Windows\SysWOW64\colorcpl.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:2564
- - 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:2016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

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

Replay Monitor

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Downloads

memory/1260-20-0x0000000003EF0000-0x00000000040F0000-memory.dmp

Filesize
2.0MB

Download
memory/1260-24-0x0000000003810000-0x0000000003910000-memory.dmp

Filesize
1024KB

Download
memory/2564-23-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/2564-21-0x0000000000780000-0x0000000000798000-memory.dmp

Filesize
96KB

Download
memory/2720-18-0x0000000000B50000-0x0000000000E53000-memory.dmp

Filesize
3.0MB

Download
memory/2720-9-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2720-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2720-7-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2720-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2720-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2776-17-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/2776-5-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/2776-0-0x000000007441E000-0x000000007441F000-memory.dmp

Filesize
4KB

Download
memory/2776-4-0x000000007441E000-0x000000007441F000-memory.dmp

Filesize
4KB

Download
memory/2776-3-0x0000000000470000-0x0000000000480000-memory.dmp

Filesize
64KB

Download
memory/2776-6-0x0000000004D10000-0x0000000004D86000-memory.dmp

Filesize
472KB

Download
memory/2776-2-0x0000000074410000-0x0000000074AFE000-memory.dmp

Filesize
6.9MB

Download
memory/2776-1-0x0000000000260000-0x000000000031C000-memory.dmp

Filesize
752KB

Download

Analysis

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