formbook | 0aff2c6f129379862afc597336ecd2cb7e735d7163e7ed75098750e5679ad758

Analysis

max time kernel
149s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-10-2024 13:00

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General

Target

z19novaordemdecomprapdf.exe
Size

580KB
MD5

90a694e0439016ad06acf7f18fd459dc
SHA1

3e32249a1109d2ed4dbb18fcf07c89f1f48b136b
SHA256

0aff2c6f129379862afc597336ecd2cb7e735d7163e7ed75098750e5679ad758
SHA512

c3cb4d506550ff3b24580c59e3d0a2c8d61b09aee72b04a41a926fc1dac7ee95d2647ff3d9552debdf590f655afade38b685ddbf6d52f2ae83030c313fef042d
SSDEEP

12288:Rkf0j2LkrPMx6TSEr4DONu9t+5zStgeXw6RubjMCO1wC:Rkl2q6TJ4DnuzSaTbjMCm

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 2 IoCs

rat

resource	yara_rule
behavioral1/memory/2616-19-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2168-23-0x0000000000090000-0x00000000000BF000-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
3004	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2248 set thread context of 2616	2248	z19novaordemdecomprapdf.exe	34
PID 2616 set thread context of 1252	2616	RegSvcs.exe	21
PID 2168 set thread context of 1252	2168	cmstp.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	cmstp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	z19novaordemdecomprapdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
2528	schtasks.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2248	z19novaordemdecomprapdf.exe
2248	z19novaordemdecomprapdf.exe
2616	RegSvcs.exe
2616	RegSvcs.exe
3004	powershell.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe
2168	cmstp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2616	RegSvcs.exe
2616	RegSvcs.exe
2616	RegSvcs.exe
2168	cmstp.exe
2168	cmstp.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2248	z19novaordemdecomprapdf.exe
Token: SeDebugPrivilege	2616	RegSvcs.exe
Token: SeDebugPrivilege	3004	powershell.exe
Token: SeDebugPrivilege	2168	cmstp.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 3004	2248	z19novaordemdecomprapdf.exe	30
PID 2248 wrote to memory of 3004	2248	z19novaordemdecomprapdf.exe	30
PID 2248 wrote to memory of 3004	2248	z19novaordemdecomprapdf.exe	30
PID 2248 wrote to memory of 3004	2248	z19novaordemdecomprapdf.exe	30
PID 2248 wrote to memory of 2528	2248	z19novaordemdecomprapdf.exe	32
PID 2248 wrote to memory of 2528	2248	z19novaordemdecomprapdf.exe	32
PID 2248 wrote to memory of 2528	2248	z19novaordemdecomprapdf.exe	32
PID 2248 wrote to memory of 2528	2248	z19novaordemdecomprapdf.exe	32
PID 2248 wrote to memory of 2616	2248	z19novaordemdecomprapdf.exe	34
PID 2248 wrote to memory of 2616	2248	z19novaordemdecomprapdf.exe	34
PID 2248 wrote to memory of 2616	2248	z19novaordemdecomprapdf.exe	34
PID 2248 wrote to memory of 2616	2248	z19novaordemdecomprapdf.exe	34
PID 2248 wrote to memory of 2616	2248	z19novaordemdecomprapdf.exe	34
PID 2248 wrote to memory of 2616	2248	z19novaordemdecomprapdf.exe	34
PID 2248 wrote to memory of 2616	2248	z19novaordemdecomprapdf.exe	34
PID 2248 wrote to memory of 2616	2248	z19novaordemdecomprapdf.exe	34
PID 2248 wrote to memory of 2616	2248	z19novaordemdecomprapdf.exe	34
PID 2248 wrote to memory of 2616	2248	z19novaordemdecomprapdf.exe	34
PID 1252 wrote to memory of 2168	1252	Explorer.EXE	35
PID 1252 wrote to memory of 2168	1252	Explorer.EXE	35
PID 1252 wrote to memory of 2168	1252	Explorer.EXE	35
PID 1252 wrote to memory of 2168	1252	Explorer.EXE	35
PID 1252 wrote to memory of 2168	1252	Explorer.EXE	35
PID 1252 wrote to memory of 2168	1252	Explorer.EXE	35
PID 1252 wrote to memory of 2168	1252	Explorer.EXE	35
PID 2168 wrote to memory of 1232	2168	cmstp.exe	36
PID 2168 wrote to memory of 1232	2168	cmstp.exe	36
PID 2168 wrote to memory of 1232	2168	cmstp.exe	36
PID 2168 wrote to memory of 1232	2168	cmstp.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Users\Admin\AppData\Local\Temp\z19novaordemdecomprapdf.exe
  "C:\Users\Admin\AppData\Local\Temp\z19novaordemdecomprapdf.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2248
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BrQcjBBjY.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3004
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BrQcjBBjY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp817F.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2528
- - 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
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2616
- C:\Windows\SysWOW64\cmstp.exe
  "C:\Windows\SysWOW64\cmstp.exe"
  2⤵
  - 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:2168
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1232

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\tmp817F.tmp

Filesize
1KB

MD5
519030739db8f5545be20618e0eb9787

SHA1
c78393f578d3a4f128ae991bb39f11d13447ee68

SHA256
995cf010cd85aff9acb5946503088e00f970db0136f3161a28f1fe01afad4465

SHA512
8dc9a95321fe3f366aa926619899100434c75b236d821870d893796b4567ad925d7ccc084f76f48b3b21152d8d11764b18b0cb7a529eefe41fa6cbdafeda78e6

Download Submit
memory/2168-23-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/2168-22-0x0000000000110000-0x0000000000128000-memory.dmp

Filesize
96KB

Download
memory/2248-6-0x0000000004A10000-0x0000000004A86000-memory.dmp

Filesize
472KB

Download
memory/2248-4-0x000000007496E000-0x000000007496F000-memory.dmp

Filesize
4KB

Download
memory/2248-5-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/2248-0-0x000000007496E000-0x000000007496F000-memory.dmp

Filesize
4KB

Download
memory/2248-3-0x0000000000940000-0x0000000000958000-memory.dmp

Filesize
96KB

Download
memory/2248-20-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/2248-2-0x0000000074960000-0x000000007504E000-memory.dmp

Filesize
6.9MB

Download
memory/2248-1-0x0000000001290000-0x0000000001328000-memory.dmp

Filesize
608KB

Download
memory/2616-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2616-19-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2616-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2616-16-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download