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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3604-117-0x0000000000000000-mapping.dmp	formbook
behavioral2/memory/3604-119-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral2/memory/3604-124-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral2/memory/2852-129-0x0000000000C00000-0x0000000000C2E000-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-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\Nzvamcw = "C:\\Users\\Public\\Libraries\\wcmavzN.url"	Confirmacion del pedido.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

secinit.exesvchost.exe

description	pid	process	target process
PID 3604 set thread context of 3028	3604	secinit.exe	Explorer.EXE
PID 3604 set thread context of 3028	3604	secinit.exe	Explorer.EXE
PID 2852 set thread context of 3028	2852	svchost.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 54 IoCs

Processes:

secinit.exesvchost.exe

pid	process
3604	secinit.exe
3604	secinit.exe
3604	secinit.exe
3604	secinit.exe
3604	secinit.exe
3604	secinit.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe
2852	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3028 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

secinit.exesvchost.exe

pid process

3604 secinit.exe
3604 secinit.exe
3604 secinit.exe
3604 secinit.exe
2852 svchost.exe
2852 svchost.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

secinit.exesvchost.exe

description pid process

Token: SeDebugPrivilege 3604 secinit.exe
Token: SeDebugPrivilege 2852 svchost.exe

pid	process
3028	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	3604	secinit.exe
Token: SeDebugPrivilege	2852	svchost.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Confirmacion del pedido.exesecinit.exesvchost.exe

description	pid	process	target process
PID 1684 wrote to memory of 3604	1684	Confirmacion del pedido.exe	secinit.exe
PID 1684 wrote to memory of 3604	1684	Confirmacion del pedido.exe	secinit.exe
PID 1684 wrote to memory of 3604	1684	Confirmacion del pedido.exe	secinit.exe
PID 1684 wrote to memory of 3604	1684	Confirmacion del pedido.exe	secinit.exe
PID 1684 wrote to memory of 3604	1684	Confirmacion del pedido.exe	secinit.exe
PID 1684 wrote to memory of 3604	1684	Confirmacion del pedido.exe	secinit.exe
PID 3604 wrote to memory of 2852	3604	secinit.exe	svchost.exe
PID 3604 wrote to memory of 2852	3604	secinit.exe	svchost.exe
PID 3604 wrote to memory of 2852	3604	secinit.exe	svchost.exe
PID 2852 wrote to memory of 984	2852	svchost.exe	cmd.exe
PID 2852 wrote to memory of 984	2852	svchost.exe	cmd.exe
PID 2852 wrote to memory of 984	2852	svchost.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
PID:3028

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:1684

C:\Windows\SysWOW64\secinit.exe
C:\Windows\System32\secinit.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3604

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2852

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\secinit.exe"
5⤵
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/984-130-0x0000000000000000-mapping.dmp

Download
memory/1684-116-0x0000000002381000-0x0000000002395000-memory.dmp

Filesize
80KB

Download
memory/1684-115-0x0000000000500000-0x00000000005AE000-memory.dmp

Filesize
696KB

Download
memory/2852-127-0x0000000000000000-mapping.dmp

Download
memory/2852-132-0x00000000031C0000-0x0000000003253000-memory.dmp

Filesize
588KB

Download
memory/2852-131-0x0000000003690000-0x00000000039B0000-memory.dmp

Filesize
3.1MB

Download
memory/2852-129-0x0000000000C00000-0x0000000000C2E000-memory.dmp

Filesize
184KB

Download
memory/2852-128-0x00000000011B0000-0x00000000011BC000-memory.dmp

Filesize
48KB

Download
memory/3028-133-0x00000000065D0000-0x000000000666D000-memory.dmp

Filesize
628KB

Download
memory/3028-123-0x0000000001060000-0x000000000116A000-memory.dmp

Filesize
1.0MB

Download
memory/3028-126-0x0000000002F70000-0x0000000003068000-memory.dmp

Filesize
992KB

Download
memory/3604-119-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/3604-125-0x00000000008A0000-0x00000000008B4000-memory.dmp

Filesize
80KB

Download
memory/3604-124-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/3604-121-0x0000000004430000-0x0000000004750000-memory.dmp

Filesize
3.1MB

Download
memory/3604-122-0x0000000000860000-0x0000000000874000-memory.dmp

Filesize
80KB

Download
memory/3604-118-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/3604-117-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads