formbook | eeabc02c0c8b1e32a032f2573a61e8154570f6d9d9485bf40207328bd14447cf

General

Target

eeabc02c0c8b1e32a032f2573a61e8154570f6d9d9485bf40207328bd14447cf.exe
Size

615KB
MD5

a61e0f9405c19b6a69b58b188742a29b
SHA1

7ec8239ac5bc2c81eee837a34c20a0c0d3f80f0d
SHA256

eeabc02c0c8b1e32a032f2573a61e8154570f6d9d9485bf40207328bd14447cf
SHA512

4ffc7639947075def3efee67fd5c4b0b0c7432cd8286a230697140d1707d96a9e6c2de010677720de67b2ea9ac37c8b7972cbe31d462158471475a68daffab06
SSDEEP

12288:3iTkgmb19n6FYnamMF2+jQ8yXUH4RfQcyTH4UkxVLObe49PnWE3XVJaHkkR:STvmb19uYajVQFPyTHbkxV4T14HD

Score

10^/10

formbook m49z discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m49z

Decoy

ormswarm.xyz

awn-care-63587.bond

uymetanail5.online

mergencyloan007.xyz

545.top

eiliao596.pro

ackersandmoverschennai.net

ehdiahmadvandmusicbest.click

tlgxmb2024.cloud

ulfcoastharborhopper.pro

rohns-disease-early-signs.today

oldenhorizonsbgcl.click

weetindulgencepro.xyz

yexoiup.xyz

yself-solar.net

kfirsatimla.online

bropub3.online

ouljourney.online

usvf76f.shop

onnaberich.online

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/2636-14-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2636-20-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2636-22-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1412-24-0x00000000000C0000-0x00000000000EF000-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
2136	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2660 set thread context of 2636	2660	eeabc02c0c8b1e32a032f2573a61e8154570f6d9d9485bf40207328bd14447cf.exe	33
PID 2636 set thread context of 1244	2636	RegSvcs.exe	21
PID 2636 set thread context of 1244	2636	RegSvcs.exe	21
PID 1412 set thread context of 1244	1412	chkdsk.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	eeabc02c0c8b1e32a032f2573a61e8154570f6d9d9485bf40207328bd14447cf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
2636	RegSvcs.exe
2636	RegSvcs.exe
2136	powershell.exe
2636	RegSvcs.exe
1412	chkdsk.exe
1412	chkdsk.exe
1412	chkdsk.exe
1412	chkdsk.exe
1412	chkdsk.exe
1412	chkdsk.exe
1412	chkdsk.exe
1412	chkdsk.exe
1412	chkdsk.exe
1412	chkdsk.exe
1412	chkdsk.exe
1412	chkdsk.exe
1412	chkdsk.exe
1412	chkdsk.exe
1412	chkdsk.exe
1412	chkdsk.exe
1412	chkdsk.exe
1412	chkdsk.exe
1412	chkdsk.exe
1412	chkdsk.exe
1412	chkdsk.exe
1412	chkdsk.exe
1412	chkdsk.exe
1412	chkdsk.exe
1412	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2636	RegSvcs.exe
2636	RegSvcs.exe
2636	RegSvcs.exe
2636	RegSvcs.exe
1412	chkdsk.exe
1412	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2636	RegSvcs.exe
Token: SeDebugPrivilege	2136	powershell.exe
Token: SeDebugPrivilege	1412	chkdsk.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 2136	2660	eeabc02c0c8b1e32a032f2573a61e8154570f6d9d9485bf40207328bd14447cf.exe	31
PID 2660 wrote to memory of 2136	2660	eeabc02c0c8b1e32a032f2573a61e8154570f6d9d9485bf40207328bd14447cf.exe	31
PID 2660 wrote to memory of 2136	2660	eeabc02c0c8b1e32a032f2573a61e8154570f6d9d9485bf40207328bd14447cf.exe	31
PID 2660 wrote to memory of 2136	2660	eeabc02c0c8b1e32a032f2573a61e8154570f6d9d9485bf40207328bd14447cf.exe	31
PID 2660 wrote to memory of 2636	2660	eeabc02c0c8b1e32a032f2573a61e8154570f6d9d9485bf40207328bd14447cf.exe	33
PID 2660 wrote to memory of 2636	2660	eeabc02c0c8b1e32a032f2573a61e8154570f6d9d9485bf40207328bd14447cf.exe	33
PID 2660 wrote to memory of 2636	2660	eeabc02c0c8b1e32a032f2573a61e8154570f6d9d9485bf40207328bd14447cf.exe	33
PID 2660 wrote to memory of 2636	2660	eeabc02c0c8b1e32a032f2573a61e8154570f6d9d9485bf40207328bd14447cf.exe	33
PID 2660 wrote to memory of 2636	2660	eeabc02c0c8b1e32a032f2573a61e8154570f6d9d9485bf40207328bd14447cf.exe	33
PID 2660 wrote to memory of 2636	2660	eeabc02c0c8b1e32a032f2573a61e8154570f6d9d9485bf40207328bd14447cf.exe	33
PID 2660 wrote to memory of 2636	2660	eeabc02c0c8b1e32a032f2573a61e8154570f6d9d9485bf40207328bd14447cf.exe	33
PID 2660 wrote to memory of 2636	2660	eeabc02c0c8b1e32a032f2573a61e8154570f6d9d9485bf40207328bd14447cf.exe	33
PID 2660 wrote to memory of 2636	2660	eeabc02c0c8b1e32a032f2573a61e8154570f6d9d9485bf40207328bd14447cf.exe	33
PID 2660 wrote to memory of 2636	2660	eeabc02c0c8b1e32a032f2573a61e8154570f6d9d9485bf40207328bd14447cf.exe	33
PID 2636 wrote to memory of 1412	2636	RegSvcs.exe	34
PID 2636 wrote to memory of 1412	2636	RegSvcs.exe	34
PID 2636 wrote to memory of 1412	2636	RegSvcs.exe	34
PID 2636 wrote to memory of 1412	2636	RegSvcs.exe	34
PID 1412 wrote to memory of 2264	1412	chkdsk.exe	35
PID 1412 wrote to memory of 2264	1412	chkdsk.exe	35
PID 1412 wrote to memory of 2264	1412	chkdsk.exe	35
PID 1412 wrote to memory of 2264	1412	chkdsk.exe	35

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1244
- C:\Users\Admin\AppData\Local\Temp\eeabc02c0c8b1e32a032f2573a61e8154570f6d9d9485bf40207328bd14447cf.exe
  "C:\Users\Admin\AppData\Local\Temp\eeabc02c0c8b1e32a032f2573a61e8154570f6d9d9485bf40207328bd14447cf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2660
- - 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\eeabc02c0c8b1e32a032f2573a61e8154570f6d9d9485bf40207328bd14447cf.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2136
- - 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
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2636
  - - C:\Windows\SysWOW64\chkdsk.exe
      "C:\Windows\SysWOW64\chkdsk.exe"
      4⤵
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Enumerates system info in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1412
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2264

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

Query Registry

1

T1012

System Information Discovery

2

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/1244-21-0x0000000005480000-0x0000000005532000-memory.dmp

Filesize
712KB

Download
memory/1244-25-0x0000000006940000-0x0000000006A4C000-memory.dmp

Filesize
1.0MB

Download
memory/1412-24-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/1412-23-0x0000000000D60000-0x0000000000D67000-memory.dmp

Filesize
28KB

Download
memory/2636-10-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2636-20-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2636-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2636-16-0x0000000000B60000-0x0000000000E63000-memory.dmp

Filesize
3.0MB

Download
memory/2636-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2636-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2636-8-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2660-15-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2660-0-0x00000000745CE000-0x00000000745CF000-memory.dmp

Filesize
4KB

Download
memory/2660-7-0x0000000005200000-0x0000000005276000-memory.dmp

Filesize
472KB

Download
memory/2660-5-0x00000000745CE000-0x00000000745CF000-memory.dmp

Filesize
4KB

Download
memory/2660-4-0x00000000009E0000-0x00000000009F8000-memory.dmp

Filesize
96KB

Download
memory/2660-6-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2660-3-0x0000000004F60000-0x0000000004FFA000-memory.dmp

Filesize
616KB

Download
memory/2660-2-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2660-1-0x0000000000A20000-0x0000000000ABC000-memory.dmp

Filesize
624KB

Download

Analysis

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