formbook | fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 04:40

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General

Target

fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe
Size

831KB
MD5

1389296f0946aea604c44a973f58f8c2
SHA1

9cba48137f602affcb479dad998a47b0ae0ff6b2
SHA256

fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5
SHA512

62e60fd761804bbec0aa8be992b16d8cb1fd052ade0f877cf89f9ea4372f3768742957ab3fc84302a16039708738c4074e2f43972a048ff1d73d15cc33e8019f
SSDEEP

12288:UOUM8HrDxIVbZ1PbgdJZAFsaQAjX0hsdEwkZdxLT+YGxd:bUMme/1kZgtkKEwmdK

Score

10^/10

formbook g10y discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

g10y

Decoy

oofingpro.xyz

sertc.xyz

toaas.xyz

appysnacks.store

julio.tech

nfluencer-marketing-67952.bond

rginine888.store

haampion-slotss.bet

anicajet.xyz

lumber-jobs-91014.bond

eartsandco.store

ctualiza.icu

iso23.vip

udihebohofficial.boats

lackt.xyz

ymonejohnsonart.online

dereji.info

msqdhccc3.shop

auptstadttarif.online

overebyvibes.online

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/2000-19-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2000-23-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2136-27-0x00000000000D0000-0x00000000000FE000-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
2620	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2828 set thread context of 2000	2828	fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe	34
PID 2000 set thread context of 1212	2000	RegSvcs.exe	21
PID 2000 set thread context of 1212	2000	RegSvcs.exe	21
PID 2136 set thread context of 1212	2136	msiexec.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	fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe
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	msiexec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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
2640	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2828	fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe
2828	fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe
2000	RegSvcs.exe
2000	RegSvcs.exe
2620	powershell.exe
2000	RegSvcs.exe
2136	msiexec.exe
2136	msiexec.exe
2136	msiexec.exe
2136	msiexec.exe
2136	msiexec.exe
2136	msiexec.exe
2136	msiexec.exe
2136	msiexec.exe
2136	msiexec.exe
2136	msiexec.exe
2136	msiexec.exe
2136	msiexec.exe
2136	msiexec.exe
2136	msiexec.exe
2136	msiexec.exe
2136	msiexec.exe
2136	msiexec.exe
2136	msiexec.exe
2136	msiexec.exe
2136	msiexec.exe
2136	msiexec.exe
2136	msiexec.exe
2136	msiexec.exe
2136	msiexec.exe
2136	msiexec.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2000	RegSvcs.exe
2000	RegSvcs.exe
2000	RegSvcs.exe
2000	RegSvcs.exe
2136	msiexec.exe
2136	msiexec.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2828	fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe
Token: SeDebugPrivilege	2000	RegSvcs.exe
Token: SeDebugPrivilege	2620	powershell.exe
Token: SeDebugPrivilege	2136	msiexec.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 2620	2828	fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe	30
PID 2828 wrote to memory of 2620	2828	fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe	30
PID 2828 wrote to memory of 2620	2828	fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe	30
PID 2828 wrote to memory of 2620	2828	fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe	30
PID 2828 wrote to memory of 2640	2828	fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe	32
PID 2828 wrote to memory of 2640	2828	fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe	32
PID 2828 wrote to memory of 2640	2828	fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe	32
PID 2828 wrote to memory of 2640	2828	fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe	32
PID 2828 wrote to memory of 2000	2828	fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe	34
PID 2828 wrote to memory of 2000	2828	fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe	34
PID 2828 wrote to memory of 2000	2828	fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe	34
PID 2828 wrote to memory of 2000	2828	fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe	34
PID 2828 wrote to memory of 2000	2828	fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe	34
PID 2828 wrote to memory of 2000	2828	fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe	34
PID 2828 wrote to memory of 2000	2828	fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe	34
PID 2828 wrote to memory of 2000	2828	fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe	34
PID 2828 wrote to memory of 2000	2828	fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe	34
PID 2828 wrote to memory of 2000	2828	fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe	34
PID 2000 wrote to memory of 2136	2000	RegSvcs.exe	36
PID 2000 wrote to memory of 2136	2000	RegSvcs.exe	36
PID 2000 wrote to memory of 2136	2000	RegSvcs.exe	36
PID 2000 wrote to memory of 2136	2000	RegSvcs.exe	36
PID 2000 wrote to memory of 2136	2000	RegSvcs.exe	36
PID 2000 wrote to memory of 2136	2000	RegSvcs.exe	36
PID 2000 wrote to memory of 2136	2000	RegSvcs.exe	36
PID 2136 wrote to memory of 3028	2136	msiexec.exe	37
PID 2136 wrote to memory of 3028	2136	msiexec.exe	37
PID 2136 wrote to memory of 3028	2136	msiexec.exe	37
PID 2136 wrote to memory of 3028	2136	msiexec.exe	37

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe
  "C:\Users\Admin\AppData\Local\Temp\fa3e852fa9dde2dde0c1e2254f81059f8c2f1088596e0fb9aa2e37583c26ead5.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2828
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\PvjpBBSjBpp.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2620
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PvjpBBSjBpp" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9D1A.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2640
- - 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:2000
  - - C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\SysWOW64\msiexec.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:2136
    - - 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:3028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

C:\Users\Admin\AppData\Local\Temp\tmp9D1A.tmp

Filesize
1KB

MD5
1c1a853d0b935bedb5e1813ec4e36fc2

SHA1
114aafdf175f624b7a0413f3fe671f9502929a59

SHA256
e81276c93fdc9e408421fa1bee8fd4e49dfd8ba9569e8e4d3d12768efb092c11

SHA512
87ea889b9eea6cdf37246c7fffbe22daaa1ccf9c6c2b80948de09c31a8ab86b8e6297852fc44d2b3d4db905ec311350dc1aa094fdaa930323ec51b52ebe6467d

Download Submit
memory/1212-28-0x0000000006C70000-0x0000000006D62000-memory.dmp

Filesize
968KB

Download
memory/1212-22-0x0000000003FE0000-0x00000000041E0000-memory.dmp

Filesize
2.0MB

Download
memory/2000-16-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2000-23-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2000-15-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2000-19-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2000-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2136-27-0x00000000000D0000-0x00000000000FE000-memory.dmp

Filesize
184KB

Download
memory/2136-26-0x0000000000700000-0x0000000000714000-memory.dmp

Filesize
80KB

Download
memory/2136-24-0x0000000000700000-0x0000000000714000-memory.dmp

Filesize
80KB

Download
memory/2828-4-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

Filesize
4KB

Download
memory/2828-20-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2828-6-0x00000000003C0000-0x0000000000438000-memory.dmp

Filesize
480KB

Download
memory/2828-5-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2828-0-0x0000000073FFE000-0x0000000073FFF000-memory.dmp

Filesize
4KB

Download
memory/2828-3-0x00000000004B0000-0x00000000004CE000-memory.dmp

Filesize
120KB

Download
memory/2828-2-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2828-1-0x00000000012E0000-0x00000000013B6000-memory.dmp

Filesize
856KB

Download