formbook | cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033

Analysis

max time kernel
148s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-10-2024 10:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe
Size

789KB
MD5

878c699efc0860285d3ea8edb0aed7cc
SHA1

6aa036104ad5163851dcb3da1e8aaad3ca188a05
SHA256

cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033
SHA512

98da4c98cd890def9d125bf916feac7871d183ea0abf8e22a56703eb356b470135c4458074c0c13cce72d60d043bddd4e373d51e8e067bb43f7d69b2c37cbb08
SSDEEP

24576:BQ7fRrVbCx3YNuvthOyMqiXKY+MZVwbuEZ5:QRlCyu1hn6Xv+MZE

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/2588-17-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1020-25-0x00000000000D0000-0x00000000000FF000-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
2764	powershell.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2212 set thread context of 2588	2212	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	34
PID 2588 set thread context of 1244	2588	RegSvcs.exe	21
PID 1020 set thread context of 1244	1020	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 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	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.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
2836	schtasks.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2212	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe
2212	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe
2588	RegSvcs.exe
2588	RegSvcs.exe
2764	powershell.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe
1020	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
2588	RegSvcs.exe
2588	RegSvcs.exe
2588	RegSvcs.exe
1020	rundll32.exe
1020	rundll32.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2212	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe
Token: SeDebugPrivilege	2588	RegSvcs.exe
Token: SeDebugPrivilege	2764	powershell.exe
Token: SeDebugPrivilege	1020	rundll32.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2212 wrote to memory of 2764	2212	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	30
PID 2212 wrote to memory of 2764	2212	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	30
PID 2212 wrote to memory of 2764	2212	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	30
PID 2212 wrote to memory of 2764	2212	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	30
PID 2212 wrote to memory of 2836	2212	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	31
PID 2212 wrote to memory of 2836	2212	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	31
PID 2212 wrote to memory of 2836	2212	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	31
PID 2212 wrote to memory of 2836	2212	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	31
PID 2212 wrote to memory of 2588	2212	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	34
PID 2212 wrote to memory of 2588	2212	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	34
PID 2212 wrote to memory of 2588	2212	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	34
PID 2212 wrote to memory of 2588	2212	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	34
PID 2212 wrote to memory of 2588	2212	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	34
PID 2212 wrote to memory of 2588	2212	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	34
PID 2212 wrote to memory of 2588	2212	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	34
PID 2212 wrote to memory of 2588	2212	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	34
PID 2212 wrote to memory of 2588	2212	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	34
PID 2212 wrote to memory of 2588	2212	cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe	34
PID 1244 wrote to memory of 1020	1244	Explorer.EXE	35
PID 1244 wrote to memory of 1020	1244	Explorer.EXE	35
PID 1244 wrote to memory of 1020	1244	Explorer.EXE	35
PID 1244 wrote to memory of 1020	1244	Explorer.EXE	35
PID 1244 wrote to memory of 1020	1244	Explorer.EXE	35
PID 1244 wrote to memory of 1020	1244	Explorer.EXE	35
PID 1244 wrote to memory of 1020	1244	Explorer.EXE	35
PID 1020 wrote to memory of 876	1020	rundll32.exe	36
PID 1020 wrote to memory of 876	1020	rundll32.exe	36
PID 1020 wrote to memory of 876	1020	rundll32.exe	36
PID 1020 wrote to memory of 876	1020	rundll32.exe	36

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Users\Admin\AppData\Local\Temp\cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe
  "C:\Users\Admin\AppData\Local\Temp\cef7d88f9ddb7a30478aa00624340d206b0d84553d8ee969178d8ed59cea3033.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2212
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IFuZEjl.exe"
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2764
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IFuZEjl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5D5C.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2836
- - 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:2588
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\SysWOW64\rundll32.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:1020
- - 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:876

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5D5C.tmp

Filesize
1KB

MD5
7606d60b650900b0eb9d790d537b769d

SHA1
45b06d732d37450d90afbb672f0753802d972997

SHA256
9ef6b72a2c87126f462e77ae63ef26fca2418132ffb3f94e82fe88f2ceb15be7

SHA512
e4c5289f45cb43952370cc46dc07fa9ef61493e3bf09612928a60f771d0e310031b812dd747ed604ac5328ae060c7125b460b9691b89b00ccb9047dd28e35139

Download Submit
memory/1020-25-0x00000000000D0000-0x00000000000FF000-memory.dmp

Filesize
188KB

Download
memory/1020-24-0x0000000000320000-0x000000000032E000-memory.dmp

Filesize
56KB

Download
memory/1020-22-0x0000000000320000-0x000000000032E000-memory.dmp

Filesize
56KB

Download
memory/2212-20-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2212-5-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2212-6-0x0000000004970000-0x00000000049FC000-memory.dmp

Filesize
560KB

Download
memory/2212-4-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/2212-0-0x0000000074C5E000-0x0000000074C5F000-memory.dmp

Filesize
4KB

Download
memory/2212-3-0x0000000000290000-0x00000000002A2000-memory.dmp

Filesize
72KB

Download
memory/2212-2-0x0000000074C50000-0x000000007533E000-memory.dmp

Filesize
6.9MB

Download
memory/2212-1-0x0000000000E80000-0x0000000000F4C000-memory.dmp

Filesize
816KB

Download
memory/2588-17-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2588-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2588-14-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2588-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download