formbook | 6d76e5df40e22d995260686fc0a37eb0520eac5988fa45945c45d7d727ffdb1a

General

Target

triage_dropped_file.exe
Size

514KB
MD5

d1eee2a323fecd8a01d5f6adf16a4649
SHA1

7a2e157e233c35cee54427e9b85cc4548b1b956a
SHA256

6d76e5df40e22d995260686fc0a37eb0520eac5988fa45945c45d7d727ffdb1a
SHA512

e4d8463aedfeaa62ea03499fb63c36ea20009f91b5a47d096a65e85eb10d430b03f8c8384bc0cc18a16133d8294fc66aff7fa6fbc870c43ff312f1299f235934

Score

10^/10

formbook m8g0 rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m8g0

C2

http://www.corbvalperu.com/m8g0/

Decoy

exclusivecan.com

junzhesuji.com

acces-credit-mutuel.com

iknitvintage.com

solonmodelun.com

debekia.com

peanutskitchen.com

kamanantzin.com

personalmodeststyle.com

qo49.com

googman.site

maisonshahnaz.com

annaalexandrovich.com

californiacashcars.com

ncafashionboutique.com

nsu0.com

cloudfirstlender.com

allforchildren.net

vn80000.com

restroon.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/756-124-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/756-125-0x000000000041EB70-mapping.dmp	formbook
behavioral2/memory/3796-131-0x0000000002C00000-0x0000000002C2E000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

triage_dropped_file.exetriage_dropped_file.execontrol.exe

description	pid	process	target process
PID 992 set thread context of 756	992	triage_dropped_file.exe	triage_dropped_file.exe
PID 756 set thread context of 3020	756	triage_dropped_file.exe	Explorer.EXE
PID 3796 set thread context of 3020	3796	control.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 44 IoCs

Processes:

triage_dropped_file.exetriage_dropped_file.execontrol.exe

pid	process
992	triage_dropped_file.exe
992	triage_dropped_file.exe
756	triage_dropped_file.exe
756	triage_dropped_file.exe
756	triage_dropped_file.exe
756	triage_dropped_file.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe
3796	control.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3020 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

triage_dropped_file.execontrol.exe

pid process

756 triage_dropped_file.exe
756 triage_dropped_file.exe
756 triage_dropped_file.exe
3796 control.exe
3796 control.exe

pid	process
3020	Explorer.EXE

pid	process
756	triage_dropped_file.exe
756	triage_dropped_file.exe
756	triage_dropped_file.exe
3796	control.exe
3796	control.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

triage_dropped_file.exetriage_dropped_file.execontrol.exe

description	pid	process
Token: SeDebugPrivilege	992	triage_dropped_file.exe
Token: SeDebugPrivilege	756	triage_dropped_file.exe
Token: SeDebugPrivilege	3796	control.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

3020 Explorer.EXE

pid	process
3020	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

triage_dropped_file.exeExplorer.EXEcontrol.exe

description	pid	process	target process
PID 992 wrote to memory of 800	992	triage_dropped_file.exe	triage_dropped_file.exe
PID 992 wrote to memory of 800	992	triage_dropped_file.exe	triage_dropped_file.exe
PID 992 wrote to memory of 800	992	triage_dropped_file.exe	triage_dropped_file.exe
PID 992 wrote to memory of 756	992	triage_dropped_file.exe	triage_dropped_file.exe
PID 992 wrote to memory of 756	992	triage_dropped_file.exe	triage_dropped_file.exe
PID 992 wrote to memory of 756	992	triage_dropped_file.exe	triage_dropped_file.exe
PID 992 wrote to memory of 756	992	triage_dropped_file.exe	triage_dropped_file.exe
PID 992 wrote to memory of 756	992	triage_dropped_file.exe	triage_dropped_file.exe
PID 992 wrote to memory of 756	992	triage_dropped_file.exe	triage_dropped_file.exe
PID 3020 wrote to memory of 3796	3020	Explorer.EXE	control.exe
PID 3020 wrote to memory of 3796	3020	Explorer.EXE	control.exe
PID 3020 wrote to memory of 3796	3020	Explorer.EXE	control.exe
PID 3796 wrote to memory of 508	3796	control.exe	cmd.exe
PID 3796 wrote to memory of 508	3796	control.exe	cmd.exe
PID 3796 wrote to memory of 508	3796	control.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3020

C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe
"C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:992

C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe
"C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"
3⤵
PID:800

C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe
"C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:756

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:2100

C:\Windows\SysWOW64\control.exe
"C:\Windows\SysWOW64\control.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3796

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\triage_dropped_file.exe"
3⤵
PID:508

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/508-133-0x0000000000000000-mapping.dmp

Download
memory/756-124-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/756-127-0x0000000001200000-0x0000000001214000-memory.dmp

Filesize
80KB

Download
memory/756-126-0x00000000016D0000-0x00000000019F0000-memory.dmp

Filesize
3.1MB

Download
memory/756-125-0x000000000041EB70-mapping.dmp

Download
memory/992-120-0x0000000007EC0000-0x0000000007EC1000-memory.dmp

Filesize
4KB

Download
memory/992-117-0x00000000049F0000-0x00000000049F1000-memory.dmp

Filesize
4KB

Download
memory/992-122-0x00000000064C0000-0x0000000006525000-memory.dmp

Filesize
404KB

Download
memory/992-123-0x0000000006670000-0x000000000669F000-memory.dmp

Filesize
188KB

Download
memory/992-114-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/992-119-0x0000000004950000-0x0000000004951000-memory.dmp

Filesize
4KB

Download
memory/992-118-0x0000000004950000-0x0000000004E4E000-memory.dmp

Filesize
5.0MB

Download
memory/992-121-0x0000000004CC0000-0x0000000004CC7000-memory.dmp

Filesize
28KB

Download
memory/992-116-0x0000000004E50000-0x0000000004E51000-memory.dmp

Filesize
4KB

Download
memory/3020-128-0x0000000003090000-0x000000000314E000-memory.dmp

Filesize
760KB

Download
memory/3020-135-0x0000000004E70000-0x0000000004F1F000-memory.dmp

Filesize
700KB

Download
memory/3796-129-0x0000000000000000-mapping.dmp

Download
memory/3796-131-0x0000000002C00000-0x0000000002C2E000-memory.dmp

Filesize
184KB

Download
memory/3796-130-0x0000000000170000-0x0000000000190000-memory.dmp

Filesize
128KB

Download
memory/3796-132-0x0000000004470000-0x0000000004790000-memory.dmp

Filesize
3.1MB

Download
memory/3796-134-0x00000000041D0000-0x0000000004263000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads