formbook | b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5

General

Target

DUEINVOICES.bat.exe
Size

580KB
MD5

b6ace82ca0cb9b68828eb46e51739e90
SHA1

31021eee20bc7be003b29968cdfde3b2a2aec56c
SHA256

b90d30fabfd911bdf2b7d785dee57ffd346019b889601d1411df2872d7d020d5
SHA512

291ae5b8506282245b0a38976b33d080b692ee26fe3b093cc8903667e9b3a26de6032191c689585f6bf22f7856f45cd061a09877597569cec7d0a720e50cc9f7
SSDEEP

12288:Co9QlwdedsgcQukU7VzTBlUh96ny0UNxYyhzvvkxr/UgVJVicty+Vo3X:ComaTgvukU7hdZkbphzXkxDt/VicU+

Score

10^/10

formbook cu29 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

cu29

Decoy

qidr.shop

usinessaviationconsulting.net

68716329.xyz

nd-los.net

ealthironcladguarantee.shop

oftware-download-69354.bond

48372305.top

omeownershub.top

mall-chilli.top

ajakgoid.online

ire-changer-53482.bond

rugsrx.shop

oyang123.info

azino-forum-pro.online

817715.rest

layman.vip

eb777.club

ovatonica.net

urgaslotvip.website

inn-paaaa.buzz

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/2036-10-0x0000000004EF0000-0x0000000004F1F000-memory.dmp	formbook
behavioral1/memory/1268-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2700-23-0x0000000000080000-0x00000000000AF000-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
2824	powershell.exe

Deletes itself 1 IoCs

pid	Process
2752	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2036 set thread context of 1268	2036	DUEINVOICES.bat.exe	33
PID 1268 set thread context of 1200	1268	DUEINVOICES.bat.exe	21
PID 1268 set thread context of 1200	1268	DUEINVOICES.bat.exe	21
PID 2700 set thread context of 1200	2700	wlanext.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 5 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	DUEINVOICES.bat.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DUEINVOICES.bat.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlanext.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
2036	DUEINVOICES.bat.exe
2824	powershell.exe
2036	DUEINVOICES.bat.exe
2036	DUEINVOICES.bat.exe
1268	DUEINVOICES.bat.exe
1268	DUEINVOICES.bat.exe
1268	DUEINVOICES.bat.exe
2700	wlanext.exe
2700	wlanext.exe
2700	wlanext.exe
2700	wlanext.exe
2700	wlanext.exe
2700	wlanext.exe
2700	wlanext.exe
2700	wlanext.exe
2700	wlanext.exe
2700	wlanext.exe
2700	wlanext.exe
2700	wlanext.exe
2700	wlanext.exe
2700	wlanext.exe
2700	wlanext.exe
2700	wlanext.exe
2700	wlanext.exe
2700	wlanext.exe
2700	wlanext.exe
2700	wlanext.exe
2700	wlanext.exe
2700	wlanext.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
1268	DUEINVOICES.bat.exe
1268	DUEINVOICES.bat.exe
1268	DUEINVOICES.bat.exe
1268	DUEINVOICES.bat.exe
2700	wlanext.exe
2700	wlanext.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2036	DUEINVOICES.bat.exe
Token: SeDebugPrivilege	2824	powershell.exe
Token: SeDebugPrivilege	1268	DUEINVOICES.bat.exe
Token: SeDebugPrivilege	2700	wlanext.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 2824	2036	DUEINVOICES.bat.exe	31
PID 2036 wrote to memory of 2824	2036	DUEINVOICES.bat.exe	31
PID 2036 wrote to memory of 2824	2036	DUEINVOICES.bat.exe	31
PID 2036 wrote to memory of 2824	2036	DUEINVOICES.bat.exe	31
PID 2036 wrote to memory of 1268	2036	DUEINVOICES.bat.exe	33
PID 2036 wrote to memory of 1268	2036	DUEINVOICES.bat.exe	33
PID 2036 wrote to memory of 1268	2036	DUEINVOICES.bat.exe	33
PID 2036 wrote to memory of 1268	2036	DUEINVOICES.bat.exe	33
PID 2036 wrote to memory of 1268	2036	DUEINVOICES.bat.exe	33
PID 2036 wrote to memory of 1268	2036	DUEINVOICES.bat.exe	33
PID 2036 wrote to memory of 1268	2036	DUEINVOICES.bat.exe	33
PID 1268 wrote to memory of 2700	1268	DUEINVOICES.bat.exe	34
PID 1268 wrote to memory of 2700	1268	DUEINVOICES.bat.exe	34
PID 1268 wrote to memory of 2700	1268	DUEINVOICES.bat.exe	34
PID 1268 wrote to memory of 2700	1268	DUEINVOICES.bat.exe	34
PID 2700 wrote to memory of 2752	2700	wlanext.exe	35
PID 2700 wrote to memory of 2752	2700	wlanext.exe	35
PID 2700 wrote to memory of 2752	2700	wlanext.exe	35
PID 2700 wrote to memory of 2752	2700	wlanext.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\DUEINVOICES.bat.exe
  "C:\Users\Admin\AppData\Local\Temp\DUEINVOICES.bat.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2036
- - 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\DUEINVOICES.bat.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2824
- - C:\Users\Admin\AppData\Local\Temp\DUEINVOICES.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\DUEINVOICES.bat.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:1268
  - - C:\Windows\SysWOW64\wlanext.exe
      "C:\Windows\SysWOW64\wlanext.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:2700
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Users\Admin\AppData\Local\Temp\DUEINVOICES.bat.exe"
        5⤵
        Deletes itself
        System Location Discovery: System Language Discovery
        
        PID:2752

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/1200-26-0x0000000006BB0000-0x0000000006CCF000-memory.dmp

Filesize
1.1MB

Download
memory/1200-21-0x0000000005090000-0x00000000051E5000-memory.dmp

Filesize
1.3MB

Download
memory/1200-19-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1268-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1268-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1268-11-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1268-13-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2036-10-0x0000000004EF0000-0x0000000004F1F000-memory.dmp

Filesize
188KB

Download
memory/2036-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

Filesize
4KB

Download
memory/2036-7-0x0000000074C40000-0x000000007532E000-memory.dmp

Filesize
6.9MB

Download
memory/2036-6-0x0000000074C40000-0x000000007532E000-memory.dmp

Filesize
6.9MB

Download
memory/2036-5-0x0000000004CE0000-0x0000000004D56000-memory.dmp

Filesize
472KB

Download
memory/2036-17-0x0000000074C40000-0x000000007532E000-memory.dmp

Filesize
6.9MB

Download
memory/2036-4-0x0000000000440000-0x0000000000452000-memory.dmp

Filesize
72KB

Download
memory/2036-3-0x0000000074C40000-0x000000007532E000-memory.dmp

Filesize
6.9MB

Download
memory/2036-2-0x0000000074C40000-0x000000007532E000-memory.dmp

Filesize
6.9MB

Download
memory/2036-1-0x00000000009F0000-0x0000000000A88000-memory.dmp

Filesize
608KB

Download
memory/2700-22-0x0000000000C50000-0x0000000000C66000-memory.dmp

Filesize
88KB

Download
memory/2700-23-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download

Analysis

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