formbook | ba13df26cb62acc861953da6844d332dd79a6778fbd2c4a6e5bb3d83bcb30d78

General

Target

Confirmacion del pedido.exe
Size

991KB
MD5

0e9502be7eceefc502cdf2c78ee19b13
SHA1

ad1936812db52a98c6bd0ae76000b3a0019554db
SHA256

ba13df26cb62acc861953da6844d332dd79a6778fbd2c4a6e5bb3d83bcb30d78
SHA512

e6bba42904e7f80dc3a145079aa156c5387734ceb0c6142874a0e08299c0da3a2d3ff72dac8a82e9338cd23ebf2bb65a5b45827c41f674982d14a76f00b5d15f

Score

10^/10

formbook bc3s persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

bc3s

C2

http://www.topei-products.com/bc3s/

Decoy

anna-ng.com

mariangelamata.com

szqnbl.com

nesherguitars.com

mysekrit.com

againbeautyviensui.xyz

appf.life

bilalsolution.com

technoratii.com

11restoran.com

birthingly.com

crystalcarrillo.com

cohenasset.info

bunchofdesign.com

highstreetmag.com

talentkerning.com

outdoor-glassesadvice.com

aliceeety.com

habbuhot.info

pao91.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
behavioral1/memory/864-66-0x0000000000000000-mapping.dmp	formbook
behavioral1/memory/864-69-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral1/memory/1004-76-0x0000000000080000-0x00000000000AE000-memory.dmp	formbook

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Confirmacion del pedido.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\Nzvamcw = "C:\\Users\\Public\\Libraries\\wcmavzN.url"	Confirmacion del pedido.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

logagent.exewininit.exe

description	pid	process	target process
PID 864 set thread context of 1208	864	logagent.exe	Explorer.EXE
PID 1004 set thread context of 1208	1004	wininit.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

logagent.exewininit.exe

pid	process
864	logagent.exe
864	logagent.exe
1004	wininit.exe
1004	wininit.exe
1004	wininit.exe
1004	wininit.exe
1004	wininit.exe
1004	wininit.exe
1004	wininit.exe
1004	wininit.exe
1004	wininit.exe
1004	wininit.exe
1004	wininit.exe
1004	wininit.exe
1004	wininit.exe
1004	wininit.exe
1004	wininit.exe
1004	wininit.exe
1004	wininit.exe
1004	wininit.exe
1004	wininit.exe
1004	wininit.exe
1004	wininit.exe
1004	wininit.exe
1004	wininit.exe
1004	wininit.exe
1004	wininit.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

logagent.exewininit.exe

pid process

864 logagent.exe
864 logagent.exe
864 logagent.exe
1004 wininit.exe
1004 wininit.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

logagent.exewininit.exe

description pid process

Token: SeDebugPrivilege 864 logagent.exe
Token: SeDebugPrivilege 1004 wininit.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE
Suspicious use of SendNotifyMessage 5 IoCs

Processes:

Explorer.EXE

pid process

1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE
1208 Explorer.EXE

pid	process
1208	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	864	logagent.exe
Token: SeDebugPrivilege	1004	wininit.exe

pid	process
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE

pid	process
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Confirmacion del pedido.exeExplorer.EXEwininit.exe

description	pid	process	target process
PID 1936 wrote to memory of 864	1936	Confirmacion del pedido.exe	logagent.exe
PID 1936 wrote to memory of 864	1936	Confirmacion del pedido.exe	logagent.exe
PID 1936 wrote to memory of 864	1936	Confirmacion del pedido.exe	logagent.exe
PID 1936 wrote to memory of 864	1936	Confirmacion del pedido.exe	logagent.exe
PID 1936 wrote to memory of 864	1936	Confirmacion del pedido.exe	logagent.exe
PID 1936 wrote to memory of 864	1936	Confirmacion del pedido.exe	logagent.exe
PID 1936 wrote to memory of 864	1936	Confirmacion del pedido.exe	logagent.exe
PID 1208 wrote to memory of 1004	1208	Explorer.EXE	wininit.exe
PID 1208 wrote to memory of 1004	1208	Explorer.EXE	wininit.exe
PID 1208 wrote to memory of 1004	1208	Explorer.EXE	wininit.exe
PID 1208 wrote to memory of 1004	1208	Explorer.EXE	wininit.exe
PID 1004 wrote to memory of 1300	1004	wininit.exe	cmd.exe
PID 1004 wrote to memory of 1300	1004	wininit.exe	cmd.exe
PID 1004 wrote to memory of 1300	1004	wininit.exe	cmd.exe
PID 1004 wrote to memory of 1300	1004	wininit.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1208

C:\Users\Admin\AppData\Local\Temp\Confirmacion del pedido.exe
"C:\Users\Admin\AppData\Local\Temp\Confirmacion del pedido.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1936

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:864

C:\Windows\SysWOW64\wininit.exe
"C:\Windows\SysWOW64\wininit.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1004

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\logagent.exe"
3⤵
PID:1300

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

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Downloads

memory/864-70-0x0000000001F10000-0x0000000002213000-memory.dmp

Filesize
3.0MB

Download
memory/864-68-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/864-71-0x0000000000320000-0x0000000000334000-memory.dmp

Filesize
80KB

Download
memory/864-63-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/864-64-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/864-66-0x0000000000000000-mapping.dmp

Download
memory/864-69-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/1004-75-0x00000000006F0000-0x000000000070A000-memory.dmp

Filesize
104KB

Download
memory/1004-73-0x0000000000000000-mapping.dmp

Download
memory/1004-76-0x0000000000080000-0x00000000000AE000-memory.dmp

Filesize
184KB

Download
memory/1004-77-0x0000000002100000-0x0000000002403000-memory.dmp

Filesize
3.0MB

Download
memory/1004-78-0x00000000005F0000-0x0000000000683000-memory.dmp

Filesize
588KB

Download
memory/1208-79-0x0000000007340000-0x0000000007481000-memory.dmp

Filesize
1.3MB

Download
memory/1208-72-0x0000000006C20000-0x0000000006D48000-memory.dmp

Filesize
1.2MB

Download
memory/1300-74-0x0000000000000000-mapping.dmp

Download
memory/1936-62-0x00000000003A1000-0x00000000003B5000-memory.dmp

Filesize
80KB

Download
memory/1936-1-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1936-0-0x0000000076641000-0x0000000076643000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads