formbook | 40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-08-2024 01:29

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe
Size

755KB
MD5

a1a321f41094dc2e821ae3fd23c123f4
SHA1

272f153247ce26851f3300be06bcf4fa2b8e6553
SHA256

40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6
SHA512

4292318a9a85a2b9aa677eda93444b7c7819d8725f36459cf554c78b9f08e17cdebc4c4face3020bb2271273019fd3335be35d8fc7c9aecf82002cbac4accf57
SSDEEP

12288:DYAMd6OdKEari+auFvnnrcMXsnx2NVDN2P4Ypq1a3P14aePmcDomo:DM6h1OCrKx2fSbq1a3PKjbDom

Score

10^/10

formbook pz12 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

pz12

Decoy

paucanyes.com

autonwheels.com

cowboysandcaviarbar.com

fitnessengineeredworkouts.com

nuevobajonfavorito.com

dflx8.com

rothability.com

sxybet88.com

onesource.live

brenjitu1904.com

airdrop-zero1labs.com

guangdongqiangzhetc.com

apartments-for-rent-72254.bond

ombak99.lol

qqfoodsolutions.com

kyyzz.com

thepicklematch.com

ainth.com

missorris.com

gabbygomez.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/1212-12-0x0000000000400000-0x000000000042F000-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
3780	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4872 set thread context of 1212	4872	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	96

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 2 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	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1212	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe
1212	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe
3780	powershell.exe
3780	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3780	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4872 wrote to memory of 3780	4872	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	94
PID 4872 wrote to memory of 3780	4872	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	94
PID 4872 wrote to memory of 3780	4872	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	94
PID 4872 wrote to memory of 1212	4872	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	96
PID 4872 wrote to memory of 1212	4872	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	96
PID 4872 wrote to memory of 1212	4872	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	96
PID 4872 wrote to memory of 1212	4872	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	96
PID 4872 wrote to memory of 1212	4872	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	96
PID 4872 wrote to memory of 1212	4872	40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe	96

C:\Users\Admin\AppData\Local\Temp\40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe
"C:\Users\Admin\AppData\Local\Temp\40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4872
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3780
- C:\Users\Admin\AppData\Local\Temp\40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe
  "C:\Users\Admin\AppData\Local\Temp\40cebb630f935210e93b1e5569a1181a0c19cee3c4c129550dece7add29f27b6.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1212

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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\__PSScriptPolicyTest_kstelyp1.2e0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1212-12-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1212-15-0x0000000001620000-0x000000000196A000-memory.dmp

Filesize
3.3MB

Download
memory/3780-48-0x0000000006590000-0x00000000065AE000-memory.dmp

Filesize
120KB

Download
memory/3780-49-0x00000000071B0000-0x0000000007253000-memory.dmp

Filesize
652KB

Download
memory/3780-62-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3780-59-0x0000000007630000-0x0000000007638000-memory.dmp

Filesize
32KB

Download
memory/3780-58-0x0000000007650000-0x000000000766A000-memory.dmp

Filesize
104KB

Download
memory/3780-57-0x0000000007550000-0x0000000007564000-memory.dmp

Filesize
80KB

Download
memory/3780-22-0x00000000050C0000-0x0000000005126000-memory.dmp

Filesize
408KB

Download
memory/3780-56-0x0000000007540000-0x000000000754E000-memory.dmp

Filesize
56KB

Download
memory/3780-23-0x0000000005130000-0x0000000005196000-memory.dmp

Filesize
408KB

Download
memory/3780-54-0x0000000007590000-0x0000000007626000-memory.dmp

Filesize
600KB

Download
memory/3780-53-0x0000000007380000-0x000000000738A000-memory.dmp

Filesize
40KB

Download
memory/3780-52-0x0000000007310000-0x000000000732A000-memory.dmp

Filesize
104KB

Download
memory/3780-16-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/3780-18-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3780-17-0x00000000026C0000-0x00000000026F6000-memory.dmp

Filesize
216KB

Download
memory/3780-19-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3780-20-0x0000000005360000-0x0000000005988000-memory.dmp

Filesize
6.2MB

Download
memory/3780-24-0x0000000005990000-0x0000000005CE4000-memory.dmp

Filesize
3.3MB

Download
memory/3780-51-0x0000000007950000-0x0000000007FCA000-memory.dmp

Filesize
6.5MB

Download
memory/3780-55-0x0000000007510000-0x0000000007521000-memory.dmp

Filesize
68KB

Download
memory/3780-21-0x0000000005020000-0x0000000005042000-memory.dmp

Filesize
136KB

Download
memory/3780-50-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/3780-34-0x0000000005FE0000-0x0000000005FFE000-memory.dmp

Filesize
120KB

Download
memory/3780-35-0x0000000006020000-0x000000000606C000-memory.dmp

Filesize
304KB

Download
memory/3780-36-0x00000000065B0000-0x00000000065E2000-memory.dmp

Filesize
200KB

Download
memory/3780-37-0x0000000070500000-0x000000007054C000-memory.dmp

Filesize
304KB

Download
memory/3780-47-0x0000000074660000-0x0000000074E10000-memory.dmp

Filesize
7.7MB

Download
memory/4872-14-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4872-4-0x0000000004C40000-0x0000000004C4A000-memory.dmp

Filesize
40KB

Download
memory/4872-1-0x0000000000190000-0x0000000000252000-memory.dmp

Filesize
776KB

Download
memory/4872-9-0x0000000005E10000-0x0000000005E20000-memory.dmp

Filesize
64KB

Download
memory/4872-2-0x0000000005260000-0x0000000005804000-memory.dmp

Filesize
5.6MB

Download
memory/4872-0-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/4872-3-0x0000000004CB0000-0x0000000004D42000-memory.dmp

Filesize
584KB

Download
memory/4872-8-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4872-10-0x0000000005E30000-0x0000000005EA6000-memory.dmp

Filesize
472KB

Download
memory/4872-11-0x0000000006100000-0x000000000619C000-memory.dmp

Filesize
624KB

Download
memory/4872-7-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/4872-6-0x0000000007910000-0x0000000007922000-memory.dmp

Filesize
72KB

Download
memory/4872-5-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download