formbook | 7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6

General

Target

7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe
Size

837KB
MD5

db6dfd16b1ac39947a9063aa6326bf43
SHA1

e03b5175355d7c413111e23b7fdaa5c84d563ec1
SHA256

7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6
SHA512

3a21778799366577d05001f1936087a6de552844c9c0ceb43bf2f5b12d0d476299606d1718e08e91a620fcd4598fc65c2ef080b8bad567ba540e19171da876ff
SSDEEP

24576:A86weWVAgchq2p7PH9Kb61xFYJH63h/eZ:ABwnAxh7pxm616U9e

Score

10^/10

formbook k15k discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

k15k

Decoy

herise.charity

esign-creafactory.store

ldjo.info

9603.pizza

nmap.biz

agnacavalcante.shop

iversidepumpmfg.shop

bcpoz.xyz

lange.store

nfovps.net

ihlj.info

uxury29.net

mergence.fun

oftware-download-49753.bond

amblingsystems.info

tpkoinhoki88.xyz

adecepuffbar.net

emorymakers.travel

azurite.icu

nstantquote.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/2664-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2664-22-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2548-25-0x0000000000080000-0x00000000000AF000-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
2240	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2616 set thread context of 2664	2616	7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe	35
PID 2664 set thread context of 1220	2664	RegSvcs.exe	21
PID 2664 set thread context of 1220	2664	RegSvcs.exe	21
PID 2548 set thread context of 1220	2548	control.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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	control.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.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
2672	schtasks.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

pid	Process
2616	7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe
2616	7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe
2664	RegSvcs.exe
2664	RegSvcs.exe
2240	powershell.exe
2664	RegSvcs.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe
2548	control.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2664	RegSvcs.exe
2664	RegSvcs.exe
2664	RegSvcs.exe
2664	RegSvcs.exe
2548	control.exe
2548	control.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2616	7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe
Token: SeDebugPrivilege	2664	RegSvcs.exe
Token: SeDebugPrivilege	2240	powershell.exe
Token: SeDebugPrivilege	2548	control.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 2240	2616	7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe	31
PID 2616 wrote to memory of 2240	2616	7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe	31
PID 2616 wrote to memory of 2240	2616	7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe	31
PID 2616 wrote to memory of 2240	2616	7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe	31
PID 2616 wrote to memory of 2672	2616	7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe	32
PID 2616 wrote to memory of 2672	2616	7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe	32
PID 2616 wrote to memory of 2672	2616	7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe	32
PID 2616 wrote to memory of 2672	2616	7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe	32
PID 2616 wrote to memory of 2664	2616	7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe	35
PID 2616 wrote to memory of 2664	2616	7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe	35
PID 2616 wrote to memory of 2664	2616	7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe	35
PID 2616 wrote to memory of 2664	2616	7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe	35
PID 2616 wrote to memory of 2664	2616	7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe	35
PID 2616 wrote to memory of 2664	2616	7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe	35
PID 2616 wrote to memory of 2664	2616	7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe	35
PID 2616 wrote to memory of 2664	2616	7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe	35
PID 2616 wrote to memory of 2664	2616	7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe	35
PID 2616 wrote to memory of 2664	2616	7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe	35
PID 2664 wrote to memory of 2548	2664	RegSvcs.exe	36
PID 2664 wrote to memory of 2548	2664	RegSvcs.exe	36
PID 2664 wrote to memory of 2548	2664	RegSvcs.exe	36
PID 2664 wrote to memory of 2548	2664	RegSvcs.exe	36
PID 2548 wrote to memory of 2604	2548	control.exe	37
PID 2548 wrote to memory of 2604	2548	control.exe	37
PID 2548 wrote to memory of 2604	2548	control.exe	37
PID 2548 wrote to memory of 2604	2548	control.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1220
- C:\Users\Admin\AppData\Local\Temp\7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe
  "C:\Users\Admin\AppData\Local\Temp\7157f19969ea92bb660c62b91144ca8be1d6f1631252c7d1f7125fd957a1cde6.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2616
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IzffNhTB.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2240
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IzffNhTB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1F15.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2672
- - 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:2664
  - - C:\Windows\SysWOW64\control.exe
      "C:\Windows\SysWOW64\control.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:2548
    - - 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:2604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1F15.tmp

Filesize
1KB

MD5
f615f87147501f8d5320a7b0b27f7604

SHA1
309dd1bd86fb8003ee30cee2472cdbf41174915d

SHA256
fc5ca929f4a7a716c056f9127fcf3d906e76b2c2553dcf263688c59f9d7fa4d1

SHA512
31bfd70d3b1eb99f9691ced36c8f26c5acceaf94def25e146ffca4282d2152862aa6dfecafd166ac9f7d466fc8221d1f47a6837ba55f9bb029f4c52015ef67a3

Download Submit
memory/1220-23-0x0000000005220000-0x000000000539E000-memory.dmp

Filesize
1.5MB

Download
memory/2548-25-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/2548-24-0x0000000000E50000-0x0000000000E6F000-memory.dmp

Filesize
124KB

Download
memory/2616-20-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/2616-5-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/2616-6-0x00000000008A0000-0x000000000091A000-memory.dmp

Filesize
488KB

Download
memory/2616-4-0x00000000745AE000-0x00000000745AF000-memory.dmp

Filesize
4KB

Download
memory/2616-0-0x00000000745AE000-0x00000000745AF000-memory.dmp

Filesize
4KB

Download
memory/2616-3-0x00000000009B0000-0x00000000009CE000-memory.dmp

Filesize
120KB

Download
memory/2616-2-0x00000000745A0000-0x0000000074C8E000-memory.dmp

Filesize
6.9MB

Download
memory/2616-1-0x00000000009D0000-0x0000000000AA8000-memory.dmp

Filesize
864KB

Download
memory/2664-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2664-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2664-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2664-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2664-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads