formbook | b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-11-2024 13:18

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General

Target

b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
Size

588KB
MD5

a4fe63b591ffb3b6b68b616b642fa848
SHA1

dabbb3ea462ff52c9ae286bf787bcc2f28ce8c37
SHA256

b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae
SHA512

51ac0a9f46c474fd1abc29b305d5a29bc3317ff1869d0e1b2089d1cf427afec1e5b648db450b00f073ffb3bd468899f9069f591c9827cf959e2f325647eb8af5
SSDEEP

12288:PL0nsDn5N3MTOO8/oLOkJduN3AMVG7zfSH1UsAYHeW0upodH:PwnIMTOxgakDuN3nVgg1zVo

Score

10^/10

formbook dn13 discovery execution rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dn13

Decoy

5q53s.top

f9813.top

ysticsmoke.net

ignorysingeysquints.cfd

yncsignature.live

svp-their.xyz

outya.xyz

wlkflwef3sf2wf.top

etterjugfetkaril.cfd

p9eh2s99b5.top

400108iqlnnqi219.top

ynsu-condition.xyz

ndividual-bfiaen.xyz

anceibizamagazine.net

itrussips.live

orkcubefood.xyz

lindsandfurnishings.shop

ajwmid.top

pigramescentfeatous.shop

mbvcv56789.click

Signatures

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

Formbook payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3796-25-0x0000000000400000-0x000000000042F000-memory.dmp	formbook

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exe

pid process

1888 powershell.exe
3488 powershell.exe

pid	process
1888	powershell.exe
3488	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

Processes:

b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe

description	pid	process	target process
PID 3592 set thread context of 3796	3592	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe

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 4 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

Processes:

powershell.exepowershell.exeschtasks.exeb9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.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

Processes:

schtasks.exe

pid process

628 schtasks.exe

pid	process
628	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exepowershell.exepowershell.exeb9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe

pid	process
3592	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
3488	powershell.exe
1888	powershell.exe
3592	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
3796	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
3796	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
3488	powershell.exe
1888	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	3592	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
Token: SeDebugPrivilege	3488	powershell.exe
Token: SeDebugPrivilege	1888	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe

description	pid	process	target process
PID 3592 wrote to memory of 3488	3592	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	powershell.exe
PID 3592 wrote to memory of 3488	3592	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	powershell.exe
PID 3592 wrote to memory of 3488	3592	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	powershell.exe
PID 3592 wrote to memory of 1888	3592	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	powershell.exe
PID 3592 wrote to memory of 1888	3592	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	powershell.exe
PID 3592 wrote to memory of 1888	3592	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	powershell.exe
PID 3592 wrote to memory of 628	3592	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	schtasks.exe
PID 3592 wrote to memory of 628	3592	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	schtasks.exe
PID 3592 wrote to memory of 628	3592	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	schtasks.exe
PID 3592 wrote to memory of 3796	3592	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
PID 3592 wrote to memory of 3796	3592	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
PID 3592 wrote to memory of 3796	3592	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
PID 3592 wrote to memory of 3796	3592	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
PID 3592 wrote to memory of 3796	3592	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
PID 3592 wrote to memory of 3796	3592	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe	b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe

C:\Users\Admin\AppData\Local\Temp\b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
"C:\Users\Admin\AppData\Local\Temp\b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3592
- 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\b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3488
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OTdIRHx.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1888
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OTdIRHx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC841.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:628
- C:\Users\Admin\AppData\Local\Temp\b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe
  "C:\Users\Admin\AppData\Local\Temp\b9311758998b5ea517d97a07a4e66a2616ef9395eef50dae210f6246c7fe02ae.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3796

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

Query Registry

T1012

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\__PSScriptPolicyTest_jrut1rfz.q1p.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC841.tmp

Filesize
1KB

MD5
fc1a64621593a86b9fcdb2dd6b358433

SHA1
6bfbe77098b79644f347219147c116af50cea1e8

SHA256
55bf971ac160448ea497c4767afaa6f7c2ea79702791868b7da327db34efddb8

SHA512
01e4d79db00c89ea6a211da30c6d964c8903ac081df5b5162ba7cbc6b52c41e2423a3ee7e68e6223d6181d272c965547974e03316afcbb59d7c54826889c7538

Download Submit
memory/1888-85-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/1888-82-0x0000000007650000-0x0000000007658000-memory.dmp

Filesize
32KB

Download
memory/1888-75-0x0000000007330000-0x000000000734A000-memory.dmp

Filesize
104KB

Download
memory/1888-74-0x0000000007970000-0x0000000007FEA000-memory.dmp

Filesize
6.5MB

Download
memory/1888-72-0x0000000006FE0000-0x0000000006FFE000-memory.dmp

Filesize
120KB

Download
memory/1888-51-0x0000000006F80000-0x0000000006FB2000-memory.dmp

Filesize
200KB

Download
memory/1888-52-0x0000000074D20000-0x0000000074D6C000-memory.dmp

Filesize
304KB

Download
memory/1888-27-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/1888-38-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/1888-20-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/3488-15-0x0000000002C80000-0x0000000002CB6000-memory.dmp

Filesize
216KB

Download
memory/3488-77-0x0000000007B40000-0x0000000007BD6000-memory.dmp

Filesize
600KB

Download
memory/3488-18-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/3488-17-0x00000000057B0000-0x0000000005DD8000-memory.dmp

Filesize
6.2MB

Download
memory/3488-86-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/3488-23-0x0000000005F70000-0x0000000005FD6000-memory.dmp

Filesize
408KB

Download
memory/3488-24-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/3488-22-0x0000000005E50000-0x0000000005EB6000-memory.dmp

Filesize
408KB

Download
memory/3488-21-0x00000000055E0000-0x0000000005602000-memory.dmp

Filesize
136KB

Download
memory/3488-81-0x0000000007C00000-0x0000000007C1A000-memory.dmp

Filesize
104KB

Download
memory/3488-80-0x0000000007B00000-0x0000000007B14000-memory.dmp

Filesize
80KB

Download
memory/3488-79-0x0000000007AF0000-0x0000000007AFE000-memory.dmp

Filesize
56KB

Download
memory/3488-78-0x0000000007AC0000-0x0000000007AD1000-memory.dmp

Filesize
68KB

Download
memory/3488-26-0x0000000005FE0000-0x0000000006334000-memory.dmp

Filesize
3.3MB

Download
memory/3488-16-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/3488-49-0x0000000006580000-0x000000000659E000-memory.dmp

Filesize
120KB

Download
memory/3488-50-0x00000000065B0000-0x00000000065FC000-memory.dmp

Filesize
304KB

Download
memory/3488-53-0x0000000074D20000-0x0000000074D6C000-memory.dmp

Filesize
304KB

Download
memory/3488-76-0x0000000007940000-0x000000000794A000-memory.dmp

Filesize
40KB

Download
memory/3488-73-0x00000000077B0000-0x0000000007853000-memory.dmp

Filesize
652KB

Download
memory/3592-8-0x000000007449E000-0x000000007449F000-memory.dmp

Filesize
4KB

Download
memory/3592-6-0x0000000004C20000-0x0000000004CBC000-memory.dmp

Filesize
624KB

Download
memory/3592-4-0x0000000004A20000-0x0000000004A2A000-memory.dmp

Filesize
40KB

Download
memory/3592-3-0x0000000004980000-0x0000000004A12000-memory.dmp

Filesize
584KB

Download
memory/3592-7-0x0000000004C00000-0x0000000004C12000-memory.dmp

Filesize
72KB

Download
memory/3592-5-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/3592-39-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/3592-9-0x0000000074490000-0x0000000074C40000-memory.dmp

Filesize
7.7MB

Download
memory/3592-10-0x0000000005E80000-0x0000000005EFA000-memory.dmp

Filesize
488KB

Download
memory/3592-2-0x0000000005020000-0x00000000055C4000-memory.dmp

Filesize
5.6MB

Download
memory/3592-0-0x000000007449E000-0x000000007449F000-memory.dmp

Filesize
4KB

Download
memory/3592-1-0x0000000000020000-0x00000000000BA000-memory.dmp

Filesize
616KB

Download
memory/3796-25-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download