formbook | 13daa4e080cdda1d0506ad74da6ac34e295684cfe7643a34b91264a1fe70646a

General

Target

Orden de Compra Urgente.exe
Size

757KB
MD5

96d65af8738de30dfa2283585f11e1e1
SHA1

fce536c32341baad02ba836a06688ab9f60193b9
SHA256

a69ee77f4eb102a3528594435748d3a1e2925022a6d986eac8d32feb068c1f36
SHA512

99364f2a86bb7a10e57642ad176195df04a746cb2e25d3b2562228f61192634ccec3668b008b141a3fb6864fb6f6608dff3721e96613eb31aaf65e5cb5b204ca

Score

10^/10

formbook de08 rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

de08

Decoy

retirecloudyyard.com

fabiyan.xyz

chrisarlyde.com

selapex.com

vivalosgales.com

specialty-medicine.com

contasesolucoes.com

satunusanews.net

allyibc.com

alameda1876.com

artofdala.com

yukoidusp.xyz

steeldrumbandnearme.com

stonewedgetechnology.com

kentonai.com

macquarie-private.com

ddgwy.com

megagreenhousekits.com

descomplicaomarketing.com

inclusiverealtor.com

Signatures

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

Formbook payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4536-142-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4536-156-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1608-162-0x0000000000D80000-0x0000000000DAF000-memory.dmp	formbook
behavioral2/memory/1608-168-0x0000000000D80000-0x0000000000DAF000-memory.dmp	formbook

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:

Orden de Compra Urgente.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation	Orden de Compra Urgente.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Orden de Compra Urgente.exeRegSvcs.exeraserver.exe

description	pid	process	target process
PID 4548 set thread context of 4536	4548	Orden de Compra Urgente.exe	RegSvcs.exe
PID 4536 set thread context of 2688	4536	RegSvcs.exe	Explorer.EXE
PID 1608 set thread context of 2688	1608	raserver.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

376 schtasks.exe

pid	process
376	schtasks.exe

Suspicious behavior: EnumeratesProcesses 42 IoCs

Processes:

powershell.exeRegSvcs.exeraserver.exe

pid	process
2016	powershell.exe
4536	RegSvcs.exe
4536	RegSvcs.exe
4536	RegSvcs.exe
4536	RegSvcs.exe
2016	powershell.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe
1608	raserver.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2688 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.exeraserver.exe

pid process

4536 RegSvcs.exe
4536 RegSvcs.exe
4536 RegSvcs.exe
1608 raserver.exe
1608 raserver.exe

pid	process
2688	Explorer.EXE

pid	process
4536	RegSvcs.exe
4536	RegSvcs.exe
4536	RegSvcs.exe
1608	raserver.exe
1608	raserver.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

powershell.exeRegSvcs.exeraserver.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2016	powershell.exe
Token: SeDebugPrivilege	4536	RegSvcs.exe
Token: SeDebugPrivilege	1608	raserver.exe
Token: SeShutdownPrivilege	2688	Explorer.EXE
Token: SeCreatePagefilePrivilege	2688	Explorer.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

Orden de Compra Urgente.exe

pid process

4548 Orden de Compra Urgente.exe
4548 Orden de Compra Urgente.exe

pid	process
4548	Orden de Compra Urgente.exe
4548	Orden de Compra Urgente.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

Orden de Compra Urgente.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 4548 wrote to memory of 2016	4548	Orden de Compra Urgente.exe	powershell.exe
PID 4548 wrote to memory of 2016	4548	Orden de Compra Urgente.exe	powershell.exe
PID 4548 wrote to memory of 2016	4548	Orden de Compra Urgente.exe	powershell.exe
PID 4548 wrote to memory of 376	4548	Orden de Compra Urgente.exe	schtasks.exe
PID 4548 wrote to memory of 376	4548	Orden de Compra Urgente.exe	schtasks.exe
PID 4548 wrote to memory of 376	4548	Orden de Compra Urgente.exe	schtasks.exe
PID 4548 wrote to memory of 4536	4548	Orden de Compra Urgente.exe	RegSvcs.exe
PID 4548 wrote to memory of 4536	4548	Orden de Compra Urgente.exe	RegSvcs.exe
PID 4548 wrote to memory of 4536	4548	Orden de Compra Urgente.exe	RegSvcs.exe
PID 4548 wrote to memory of 4536	4548	Orden de Compra Urgente.exe	RegSvcs.exe
PID 4548 wrote to memory of 4536	4548	Orden de Compra Urgente.exe	RegSvcs.exe
PID 4548 wrote to memory of 4536	4548	Orden de Compra Urgente.exe	RegSvcs.exe
PID 2688 wrote to memory of 1608	2688	Explorer.EXE	raserver.exe
PID 2688 wrote to memory of 1608	2688	Explorer.EXE	raserver.exe
PID 2688 wrote to memory of 1608	2688	Explorer.EXE	raserver.exe
PID 1608 wrote to memory of 1364	1608	raserver.exe	cmd.exe
PID 1608 wrote to memory of 1364	1608	raserver.exe	cmd.exe
PID 1608 wrote to memory of 1364	1608	raserver.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2688

C:\Users\Admin\AppData\Local\Temp\Orden de Compra Urgente.exe
"C:\Users\Admin\AppData\Local\Temp\Orden de Compra Urgente.exe"
2⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4548

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qBdLBxat.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2016

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qBdLBxat" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3548.tmp"
3⤵
- Creates scheduled task(s)
PID:376

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:4536

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1608

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:1364

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3548.tmp
Filesize
1KB

MD5
565e7a9d710212970f137c277300647c

SHA1
eebb75b746776f673c22a5ac08436daf1a84ee59

SHA256
8f27231f9f1c38c75de540b35e9d4203fd204235cec5eaecad8f3741b205680b

SHA512
723a0bf2a22e1df53b1441acf307da56350ff5fd5c4619ee74923713c4dc587f4dcbaa8a45e036100f8143ad92ab13dc90a6af7243c3fb4dd639b1569ad6bac3

Download Submit
memory/376-137-0x0000000000000000-mapping.dmp

Download
memory/1364-159-0x0000000000000000-mapping.dmp

Download
memory/1608-168-0x0000000000D80000-0x0000000000DAF000-memory.dmp

Filesize
188KB

Download
memory/1608-166-0x0000000002CA0000-0x0000000002D33000-memory.dmp

Filesize
588KB

Download
memory/1608-162-0x0000000000D80000-0x0000000000DAF000-memory.dmp

Filesize
188KB

Download
memory/1608-161-0x0000000002E00000-0x000000000314A000-memory.dmp

Filesize
3.3MB

Download
memory/1608-160-0x0000000000C60000-0x0000000000C7F000-memory.dmp

Filesize
124KB

Download
memory/1608-155-0x0000000000000000-mapping.dmp

Download
memory/2016-158-0x0000000007C00000-0x0000000007C96000-memory.dmp

Filesize
600KB

Download
memory/2016-153-0x0000000007FC0000-0x000000000863A000-memory.dmp

Filesize
6.5MB

Download
memory/2016-163-0x0000000007BB0000-0x0000000007BBE000-memory.dmp

Filesize
56KB

Download
memory/2016-157-0x00000000079F0000-0x00000000079FA000-memory.dmp

Filesize
40KB

Download
memory/2016-143-0x00000000056B0000-0x00000000056D2000-memory.dmp

Filesize
136KB

Download
memory/2016-144-0x0000000005FB0000-0x0000000006016000-memory.dmp

Filesize
408KB

Download
memory/2016-146-0x0000000006680000-0x000000000669E000-memory.dmp

Filesize
120KB

Download
memory/2016-165-0x0000000007CA0000-0x0000000007CA8000-memory.dmp

Filesize
32KB

Download
memory/2016-140-0x0000000005910000-0x0000000005F38000-memory.dmp

Filesize
6.2MB

Download
memory/2016-164-0x0000000007CC0000-0x0000000007CDA000-memory.dmp

Filesize
104KB

Download
memory/2016-150-0x0000000006C70000-0x0000000006CA2000-memory.dmp

Filesize
200KB

Download
memory/2016-151-0x0000000070B80000-0x0000000070BCC000-memory.dmp

Filesize
304KB

Download
memory/2016-152-0x0000000006C30000-0x0000000006C4E000-memory.dmp

Filesize
120KB

Download
memory/2016-136-0x0000000000000000-mapping.dmp

Download
memory/2016-154-0x0000000007980000-0x000000000799A000-memory.dmp

Filesize
104KB

Download
memory/2016-138-0x0000000002D80000-0x0000000002DB6000-memory.dmp

Filesize
216KB

Download
memory/2688-149-0x0000000008920000-0x0000000008AA9000-memory.dmp

Filesize
1.5MB

Download
memory/2688-167-0x0000000008AB0000-0x0000000008C1D000-memory.dmp

Filesize
1.4MB

Download
memory/2688-169-0x0000000008AB0000-0x0000000008C1D000-memory.dmp

Filesize
1.4MB

Download
memory/4536-148-0x00000000010C0000-0x00000000010D4000-memory.dmp

Filesize
80KB

Download
memory/4536-156-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4536-147-0x0000000001100000-0x000000000144A000-memory.dmp

Filesize
3.3MB

Download
memory/4536-142-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4536-141-0x0000000000000000-mapping.dmp

Download
memory/4548-135-0x000000000B330000-0x000000000B396000-memory.dmp

Filesize
408KB

Download
memory/4548-134-0x0000000008800000-0x000000000889C000-memory.dmp

Filesize
624KB

Download
memory/4548-133-0x0000000004CE0000-0x0000000004CEA000-memory.dmp

Filesize
40KB

Download
memory/4548-130-0x00000000001B0000-0x0000000000272000-memory.dmp

Filesize
776KB

Download
memory/4548-132-0x0000000004C30000-0x0000000004CC2000-memory.dmp

Filesize
584KB

Download
memory/4548-131-0x00000000052F0000-0x0000000005894000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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