formbook | 0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891

Analysis

max time kernel
147s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-10-2024 02:01

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General

Target

0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe
Size

686KB
MD5

d034873f3ca1528cd660316e6bbe8c14
SHA1

bfd745b38033a3e3ee21be7876d053ea20cc46ef
SHA256

0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891
SHA512

dfe8c17ee1846f7f469bb51acc42695734e2eea555d1fba81bc44a9686c4d9bb1d6f424ea156d2e15e4d8c002a4405f53719481ae875aa36fa9ad04adf436b65
SSDEEP

12288:DjakOtXy9wBynnEBkRbsrli5VzgnaIwvBPmBaKcWDtQwBPaNi9a:Dj34Lo4kRbs5i3zgnVomBSwqCCi9

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 family
formbook

Formbook payload 3 IoCs

rat

resource	yara_rule
behavioral1/memory/2708-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2708-22-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2612-24-0x00000000000C0000-0x00000000000EF000-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
2144	powershell.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 1628 set thread context of 2708	1628	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe	36
PID 2708 set thread context of 1152	2708	vbc.exe	20
PID 2708 set thread context of 1152	2708	vbc.exe	20
PID 2612 set thread context of 1152	2612	colorcpl.exe	20

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	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	colorcpl.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
1900	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1628	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe
1628	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe
2708	vbc.exe
2144	powershell.exe
2708	vbc.exe
2708	vbc.exe
2612	colorcpl.exe
2612	colorcpl.exe
2612	colorcpl.exe
2612	colorcpl.exe
2612	colorcpl.exe
2612	colorcpl.exe
2612	colorcpl.exe
2612	colorcpl.exe
2612	colorcpl.exe
2612	colorcpl.exe
2612	colorcpl.exe
2612	colorcpl.exe
2612	colorcpl.exe
2612	colorcpl.exe
2612	colorcpl.exe
2612	colorcpl.exe
2612	colorcpl.exe
2612	colorcpl.exe
2612	colorcpl.exe
2612	colorcpl.exe
2612	colorcpl.exe
2612	colorcpl.exe
2612	colorcpl.exe
2612	colorcpl.exe
2612	colorcpl.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2708	vbc.exe
2708	vbc.exe
2708	vbc.exe
2708	vbc.exe
2612	colorcpl.exe
2612	colorcpl.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1628	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe
Token: SeDebugPrivilege	2708	vbc.exe
Token: SeDebugPrivilege	2144	powershell.exe
Token: SeDebugPrivilege	2612	colorcpl.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 2144	1628	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe	31
PID 1628 wrote to memory of 2144	1628	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe	31
PID 1628 wrote to memory of 2144	1628	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe	31
PID 1628 wrote to memory of 2144	1628	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe	31
PID 1628 wrote to memory of 1900	1628	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe	33
PID 1628 wrote to memory of 1900	1628	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe	33
PID 1628 wrote to memory of 1900	1628	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe	33
PID 1628 wrote to memory of 1900	1628	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe	33
PID 1628 wrote to memory of 2812	1628	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe	35
PID 1628 wrote to memory of 2812	1628	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe	35
PID 1628 wrote to memory of 2812	1628	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe	35
PID 1628 wrote to memory of 2812	1628	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe	35
PID 1628 wrote to memory of 2708	1628	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe	36
PID 1628 wrote to memory of 2708	1628	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe	36
PID 1628 wrote to memory of 2708	1628	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe	36
PID 1628 wrote to memory of 2708	1628	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe	36
PID 1628 wrote to memory of 2708	1628	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe	36
PID 1628 wrote to memory of 2708	1628	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe	36
PID 1628 wrote to memory of 2708	1628	0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe	36
PID 2708 wrote to memory of 2612	2708	vbc.exe	37
PID 2708 wrote to memory of 2612	2708	vbc.exe	37
PID 2708 wrote to memory of 2612	2708	vbc.exe	37
PID 2708 wrote to memory of 2612	2708	vbc.exe	37
PID 2612 wrote to memory of 2680	2612	colorcpl.exe	38
PID 2612 wrote to memory of 2680	2612	colorcpl.exe	38
PID 2612 wrote to memory of 2680	2612	colorcpl.exe	38
PID 2612 wrote to memory of 2680	2612	colorcpl.exe	38

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1152
- C:\Users\Admin\AppData\Local\Temp\0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe
  "C:\Users\Admin\AppData\Local\Temp\0248b7bdbf6c49ffceddae89725a94da2c3076ebbf6253fafd2c817b57dc5891.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1628
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SIZfuXT.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2144
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SIZfuXT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp13DE.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1900
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:2812
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.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:2708
  - - C:\Windows\SysWOW64\colorcpl.exe
      "C:\Windows\SysWOW64\colorcpl.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:2612
    - - C:\Windows\SysWOW64\cmd.exe
        
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2680

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\tmp13DE.tmp

Filesize
1KB

MD5
e9985082dc487969f7a6c01b0d24a79f

SHA1
d6e9a3939afed57adf8baf6c8cb412a22ea3b5f6

SHA256
44f32ab7ccdd00abb97b8defe7a4021d290561a385b9a8cfe6dbb60b6bda5ff6

SHA512
4a0d878327066d9d52d69fb7f5eef8d0ba9e51541dfe2fe63454e22ac647669a51180c8195fdbf1fbe5250b0afb60553ddea0967b2cdb56178fa5986aab6b54e

Download Submit
memory/1152-25-0x00000000065E0000-0x0000000006724000-memory.dmp

Filesize
1.3MB

Download
memory/1628-20-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/1628-0-0x000000007424E000-0x000000007424F000-memory.dmp

Filesize
4KB

Download
memory/1628-4-0x000000007424E000-0x000000007424F000-memory.dmp

Filesize
4KB

Download
memory/1628-5-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/1628-6-0x0000000005060000-0x00000000050D6000-memory.dmp

Filesize
472KB

Download
memory/1628-2-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/1628-1-0x0000000000C60000-0x0000000000D12000-memory.dmp

Filesize
712KB

Download
memory/1628-3-0x00000000008A0000-0x00000000008B8000-memory.dmp

Filesize
96KB

Download
memory/2612-23-0x0000000000480000-0x0000000000498000-memory.dmp

Filesize
96KB

Download
memory/2612-24-0x00000000000C0000-0x00000000000EF000-memory.dmp

Filesize
188KB

Download
memory/2708-18-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2708-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2708-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2708-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2708-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download