formbook | 7451a072b5a69adc90d6153c699a926336d27a28b0ef8502d0eae3f790ebe942

Analysis

max time kernel
147s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
08-10-2024 14:01

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General

Target

z95ordemdecomprapdfx4672xx.exe
Size

636KB
MD5

b587df73763a3dc59d02459e1cb9d05a
SHA1

a63350f47a41d5e3bfc84c6fcf0e27acd66e65f7
SHA256

7451a072b5a69adc90d6153c699a926336d27a28b0ef8502d0eae3f790ebe942
SHA512

d31515bb2081efd520a5d61985a1c2b15d8a5605ce91aa59397a87698f586f36c6e281a759d4cf1314f945ca851de30204eb1f3a7ded3213e172105866c4e037
SSDEEP

12288:inCmMaPflgJcpY7Y0In+VUON7R04/LLVf/UJO1bIGMmyVwxAYSmE:63fPp+Y00+3y4vVH8OFzyV4AwE

Score

10^/10

formbook gy15 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

gy15

Decoy

hairsdeals.today

acob-saaad.buzz

9955.club

gild6222.vip

nline-shopping-56055.bond

lmadulles.top

utemodels.info

ighdd4675.online

nqqkk146.xyz

avasales.online

ortas-de-madeira.today

haad.xyz

races-dental-splints-15439.bond

hilohcreekpemf.online

rrivalgetaways.info

orktoday-2507-02-sap.click

eceriyayinlari.xyz

lsurfer.click

aston-saaae.buzz

etrot.pro

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/2692-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2692-23-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1264-27-0x0000000000090000-0x00000000000BF000-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
2952	powershell.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 2360 set thread context of 2692	2360	z95ordemdecomprapdfx4672xx.exe	34
PID 2692 set thread context of 1192	2692	RegSvcs.exe	21
PID 2692 set thread context of 1192	2692	RegSvcs.exe	21
PID 1264 set thread context of 1192	1264	rundll32.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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	z95ordemdecomprapdfx4672xx.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
2564	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2360	z95ordemdecomprapdfx4672xx.exe
2360	z95ordemdecomprapdfx4672xx.exe
2692	RegSvcs.exe
2692	RegSvcs.exe
2952	powershell.exe
2692	RegSvcs.exe
1264	rundll32.exe
1264	rundll32.exe
1264	rundll32.exe
1264	rundll32.exe
1264	rundll32.exe
1264	rundll32.exe
1264	rundll32.exe
1264	rundll32.exe
1264	rundll32.exe
1264	rundll32.exe
1264	rundll32.exe
1264	rundll32.exe
1264	rundll32.exe
1264	rundll32.exe
1264	rundll32.exe
1264	rundll32.exe
1264	rundll32.exe
1264	rundll32.exe
1264	rundll32.exe
1264	rundll32.exe
1264	rundll32.exe
1264	rundll32.exe
1264	rundll32.exe
1264	rundll32.exe
1264	rundll32.exe

Suspicious behavior: MapViewOfSection 6 IoCs

pid	Process
2692	RegSvcs.exe
2692	RegSvcs.exe
2692	RegSvcs.exe
2692	RegSvcs.exe
1264	rundll32.exe
1264	rundll32.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2360	z95ordemdecomprapdfx4672xx.exe
Token: SeDebugPrivilege	2692	RegSvcs.exe
Token: SeDebugPrivilege	2952	powershell.exe
Token: SeDebugPrivilege	1264	rundll32.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2952	2360	z95ordemdecomprapdfx4672xx.exe	30
PID 2360 wrote to memory of 2952	2360	z95ordemdecomprapdfx4672xx.exe	30
PID 2360 wrote to memory of 2952	2360	z95ordemdecomprapdfx4672xx.exe	30
PID 2360 wrote to memory of 2952	2360	z95ordemdecomprapdfx4672xx.exe	30
PID 2360 wrote to memory of 2564	2360	z95ordemdecomprapdfx4672xx.exe	32
PID 2360 wrote to memory of 2564	2360	z95ordemdecomprapdfx4672xx.exe	32
PID 2360 wrote to memory of 2564	2360	z95ordemdecomprapdfx4672xx.exe	32
PID 2360 wrote to memory of 2564	2360	z95ordemdecomprapdfx4672xx.exe	32
PID 2360 wrote to memory of 2692	2360	z95ordemdecomprapdfx4672xx.exe	34
PID 2360 wrote to memory of 2692	2360	z95ordemdecomprapdfx4672xx.exe	34
PID 2360 wrote to memory of 2692	2360	z95ordemdecomprapdfx4672xx.exe	34
PID 2360 wrote to memory of 2692	2360	z95ordemdecomprapdfx4672xx.exe	34
PID 2360 wrote to memory of 2692	2360	z95ordemdecomprapdfx4672xx.exe	34
PID 2360 wrote to memory of 2692	2360	z95ordemdecomprapdfx4672xx.exe	34
PID 2360 wrote to memory of 2692	2360	z95ordemdecomprapdfx4672xx.exe	34
PID 2360 wrote to memory of 2692	2360	z95ordemdecomprapdfx4672xx.exe	34
PID 2360 wrote to memory of 2692	2360	z95ordemdecomprapdfx4672xx.exe	34
PID 2360 wrote to memory of 2692	2360	z95ordemdecomprapdfx4672xx.exe	34
PID 2692 wrote to memory of 1264	2692	RegSvcs.exe	35
PID 2692 wrote to memory of 1264	2692	RegSvcs.exe	35
PID 2692 wrote to memory of 1264	2692	RegSvcs.exe	35
PID 2692 wrote to memory of 1264	2692	RegSvcs.exe	35
PID 2692 wrote to memory of 1264	2692	RegSvcs.exe	35
PID 2692 wrote to memory of 1264	2692	RegSvcs.exe	35
PID 2692 wrote to memory of 1264	2692	RegSvcs.exe	35
PID 1264 wrote to memory of 2388	1264	rundll32.exe	36
PID 1264 wrote to memory of 2388	1264	rundll32.exe	36
PID 1264 wrote to memory of 2388	1264	rundll32.exe	36
PID 1264 wrote to memory of 2388	1264	rundll32.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\z95ordemdecomprapdfx4672xx.exe
  "C:\Users\Admin\AppData\Local\Temp\z95ordemdecomprapdfx4672xx.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2360
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rgIbfd.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2952
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rgIbfd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp39A6.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2564
- - 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:2692
  - - C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\SysWOW64\rundll32.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:1264
    - - 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:2388

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\tmp39A6.tmp

Filesize
1KB

MD5
cf97a0c18d4ba524542772b5c4e03f5e

SHA1
ebf48c7cda4a824d12b811bf00edc7252c88d1ed

SHA256
3a34710d3a6ccaf37825e447fc7db700111897dafcc2fe5a012d7797a25aa788

SHA512
c7ddfc587d903354497365384b490c83c6033dfd16d539af3378c479e12c6d947a032f6ba6b51f5dac6197e492ae9aaf7bd9d6398198a4897b58dd289eee0e50

Download Submit
memory/1192-28-0x0000000004C40000-0x0000000004D0E000-memory.dmp

Filesize
824KB

Download
memory/1192-22-0x0000000000010000-0x0000000000020000-memory.dmp

Filesize
64KB

Download
memory/1264-27-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/1264-26-0x0000000000C80000-0x0000000000C8E000-memory.dmp

Filesize
56KB

Download
memory/1264-24-0x0000000000C80000-0x0000000000C8E000-memory.dmp

Filesize
56KB

Download
memory/2360-21-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/2360-6-0x0000000005170000-0x00000000051E6000-memory.dmp

Filesize
472KB

Download
memory/2360-0-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/2360-5-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/2360-4-0x000000007454E000-0x000000007454F000-memory.dmp

Filesize
4KB

Download
memory/2360-3-0x00000000004F0000-0x0000000000508000-memory.dmp

Filesize
96KB

Download
memory/2360-2-0x0000000074540000-0x0000000074C2E000-memory.dmp

Filesize
6.9MB

Download
memory/2360-1-0x0000000000F00000-0x0000000000FA6000-memory.dmp

Filesize
664KB

Download
memory/2692-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2692-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2692-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2692-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2692-23-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download