formbook | 8f515e0d3392a63a17de79305c5126f3cde691ebb5cffc97c611cc11b1f3ba7e

General

Target

Factura de proforma pdf.exe
Size

1017KB
MD5

d5916f06d0a76a83e7c2c821d8c24f33
SHA1

90aa11268187928fe78454be1f63de41e6da3a90
SHA256

edcb4f8ebec3c0a7aa59ee179a97468c2fe8ef6ed05e9fcc402f34eb817eb4df
SHA512

12a97d48169f87fe7d6f27d6f620092178c4271fa6d049eb92e7166a6a302fec481629d88cf5dad0b970c0808edb1613b9e2581188c8d66ba864d3258ddec2a0

Score

10^/10

formbook n7ak persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

C2

http://www.kmresults.com/n7ak/

Decoy

modischoolcbse.com

theneverwinter.com

rszkjx-vps-hosting.website

fnihil.com

1pbet.com

nnowzscorrez.com

uaotgvjl.icu

starmapsqatar.com

ekisilani.com

extradeepsheets.com

jam-nins.com

buranly.com

orixentertainment.com

rawtech.energy

myol.guru

utex.club

jiapie.com

wowig.store

wweidlyyl.com

systaskautomation.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
behavioral1/memory/1144-60-0x0000000000000000-mapping.dmp	formbook
behavioral1/memory/1144-62-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral1/memory/1144-67-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral1/memory/1784-73-0x00000000000D0000-0x00000000000FE000-memory.dmp	formbook

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Factura de proforma pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\Jwcsvi = "C:\\Users\\Public\\Libraries\\\\ivscwJ.url"	Factura de proforma pdf.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

logagent.exerundll32.exe

description	pid	process	target process
PID 1144 set thread context of 1204	1144	logagent.exe	Explorer.EXE
PID 1144 set thread context of 1204	1144	logagent.exe	Explorer.EXE
PID 1784 set thread context of 1204	1784	rundll32.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

logagent.exerundll32.exe

pid	process
1144	logagent.exe
1144	logagent.exe
1144	logagent.exe
1784	rundll32.exe
1784	rundll32.exe
1784	rundll32.exe
1784	rundll32.exe
1784	rundll32.exe
1784	rundll32.exe
1784	rundll32.exe
1784	rundll32.exe
1784	rundll32.exe
1784	rundll32.exe
1784	rundll32.exe
1784	rundll32.exe
1784	rundll32.exe
1784	rundll32.exe
1784	rundll32.exe
1784	rundll32.exe
1784	rundll32.exe
1784	rundll32.exe
1784	rundll32.exe
1784	rundll32.exe
1784	rundll32.exe
1784	rundll32.exe
1784	rundll32.exe
1784	rundll32.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

logagent.exerundll32.exe

pid process

1144 logagent.exe
1144 logagent.exe
1144 logagent.exe
1144 logagent.exe
1784 rundll32.exe
1784 rundll32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

logagent.exerundll32.exe

description pid process

Token: SeDebugPrivilege 1144 logagent.exe
Token: SeDebugPrivilege 1784 rundll32.exe

description	pid	process
Token: SeDebugPrivilege	1144	logagent.exe
Token: SeDebugPrivilege	1784	rundll32.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

Factura de proforma pdf.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 1776 wrote to memory of 1144	1776	Factura de proforma pdf.exe	logagent.exe
PID 1776 wrote to memory of 1144	1776	Factura de proforma pdf.exe	logagent.exe
PID 1776 wrote to memory of 1144	1776	Factura de proforma pdf.exe	logagent.exe
PID 1776 wrote to memory of 1144	1776	Factura de proforma pdf.exe	logagent.exe
PID 1776 wrote to memory of 1144	1776	Factura de proforma pdf.exe	logagent.exe
PID 1776 wrote to memory of 1144	1776	Factura de proforma pdf.exe	logagent.exe
PID 1776 wrote to memory of 1144	1776	Factura de proforma pdf.exe	logagent.exe
PID 1204 wrote to memory of 1784	1204	Explorer.EXE	rundll32.exe
PID 1204 wrote to memory of 1784	1204	Explorer.EXE	rundll32.exe
PID 1204 wrote to memory of 1784	1204	Explorer.EXE	rundll32.exe
PID 1204 wrote to memory of 1784	1204	Explorer.EXE	rundll32.exe
PID 1204 wrote to memory of 1784	1204	Explorer.EXE	rundll32.exe
PID 1204 wrote to memory of 1784	1204	Explorer.EXE	rundll32.exe
PID 1204 wrote to memory of 1784	1204	Explorer.EXE	rundll32.exe
PID 1784 wrote to memory of 984	1784	rundll32.exe	cmd.exe
PID 1784 wrote to memory of 984	1784	rundll32.exe	cmd.exe
PID 1784 wrote to memory of 984	1784	rundll32.exe	cmd.exe
PID 1784 wrote to memory of 984	1784	rundll32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1204

C:\Users\Admin\AppData\Local\Temp\Factura de proforma pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Factura de proforma pdf.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1776

C:\Windows\SysWOW64\logagent.exe
C:\Windows\System32\logagent.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1144

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1784

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\logagent.exe"
3⤵
PID:984

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/984-74-0x0000000000000000-mapping.dmp

Download
memory/1144-67-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/1144-68-0x0000000000480000-0x0000000000494000-memory.dmp

Filesize
80KB

Download
memory/1144-57-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/1144-58-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/1144-60-0x0000000000000000-mapping.dmp

Download
memory/1144-61-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/1144-62-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/1144-65-0x0000000000440000-0x0000000000454000-memory.dmp

Filesize
80KB

Download
memory/1144-64-0x0000000002190000-0x0000000002493000-memory.dmp

Filesize
3.0MB

Download
memory/1204-66-0x0000000004290000-0x0000000004356000-memory.dmp

Filesize
792KB

Download
memory/1204-69-0x0000000006180000-0x00000000062E1000-memory.dmp

Filesize
1.4MB

Download
memory/1204-77-0x00000000074E0000-0x000000000765E000-memory.dmp

Filesize
1.5MB

Download
memory/1776-54-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/1776-56-0x0000000076961000-0x0000000076963000-memory.dmp

Filesize
8KB

Download
memory/1776-55-0x00000000001D1000-0x00000000001E5000-memory.dmp

Filesize
80KB

Download
memory/1784-70-0x0000000000000000-mapping.dmp

Download
memory/1784-72-0x00000000004B0000-0x00000000004BE000-memory.dmp

Filesize
56KB

Download
memory/1784-73-0x00000000000D0000-0x00000000000FE000-memory.dmp

Filesize
184KB

Download
memory/1784-75-0x0000000002230000-0x0000000002533000-memory.dmp

Filesize
3.0MB

Download
memory/1784-76-0x00000000004C0000-0x0000000000553000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads