formbook | 8bc32885f532e286073afa7781733d97338f3bab7b22f55680b38fe1926d103b

General

Target

Orden de compra.exe
Size

810KB
MD5

b93a2f5eb85ed74a4a3483fe63f2efe2
SHA1

12317fddd8b32f7cc235a5d63578a7d4d98d1131
SHA256

8bc32885f532e286073afa7781733d97338f3bab7b22f55680b38fe1926d103b
SHA512

deab2026dd2ca94a7a26996f434e9e936b7678f1d5ae32a9afa604634ac88686ca066f5735aa7aff3b6b6fdbf5c3484a8b66fd3879b5f52d4cf5e83a312265cc

Score

10^/10

formbook 3nop rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

3nop

C2

http://www.jakesplacebarbers.com/3nop/

Decoy

videohm.com

panache-rose.com

alnooncars-kw.com

trueblue2u.com

brussels-cafe.com

ip2c.net

influenzerr.com

rbcoq.com

zzful.com

drainthe.com

sumaholesson.com

cursosaprovados.com

genotecinc.com

dbrulhart.com

theapiarystudios.com

kensyu-kan.com

dkku88.com

tikhyper.com

aztecnort.com

homebrim.com

Signatures

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

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1368-63-0x0000000000000000-mapping.dmp	formbook
behavioral1/memory/1368-65-0x0000000010410000-0x000000001043E000-memory.dmp	formbook
behavioral1/memory/1224-72-0x0000000000080000-0x00000000000AE000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

Processes:

secinit.exechkdsk.exe

description	pid	process	target process
PID 1368 set thread context of 1212	1368	secinit.exe	Explorer.EXE
PID 1224 set thread context of 1212	1224	chkdsk.exe	Explorer.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

secinit.exechkdsk.exe

pid	process
1368	secinit.exe
1368	secinit.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1212 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

secinit.exechkdsk.exe

pid process

1368 secinit.exe
1368 secinit.exe
1368 secinit.exe
1224 chkdsk.exe
1224 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

secinit.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 1368 secinit.exe
Token: SeDebugPrivilege 1224 chkdsk.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1212 Explorer.EXE
1212 Explorer.EXE
1212 Explorer.EXE
1212 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1212 Explorer.EXE
1212 Explorer.EXE
1212 Explorer.EXE
1212 Explorer.EXE

pid	process
1212	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1368	secinit.exe
Token: SeDebugPrivilege	1224	chkdsk.exe

pid	process
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE

pid	process
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Orden de compra.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1100 wrote to memory of 1368	1100	Orden de compra.exe	secinit.exe
PID 1100 wrote to memory of 1368	1100	Orden de compra.exe	secinit.exe
PID 1100 wrote to memory of 1368	1100	Orden de compra.exe	secinit.exe
PID 1100 wrote to memory of 1368	1100	Orden de compra.exe	secinit.exe
PID 1100 wrote to memory of 1368	1100	Orden de compra.exe	secinit.exe
PID 1100 wrote to memory of 1368	1100	Orden de compra.exe	secinit.exe
PID 1100 wrote to memory of 1368	1100	Orden de compra.exe	secinit.exe
PID 1212 wrote to memory of 1224	1212	Explorer.EXE	chkdsk.exe
PID 1212 wrote to memory of 1224	1212	Explorer.EXE	chkdsk.exe
PID 1212 wrote to memory of 1224	1212	Explorer.EXE	chkdsk.exe
PID 1212 wrote to memory of 1224	1212	Explorer.EXE	chkdsk.exe
PID 1224 wrote to memory of 664	1224	chkdsk.exe	cmd.exe
PID 1224 wrote to memory of 664	1224	chkdsk.exe	cmd.exe
PID 1224 wrote to memory of 664	1224	chkdsk.exe	cmd.exe
PID 1224 wrote to memory of 664	1224	chkdsk.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:1212

C:\Users\Admin\AppData\Local\Temp\Orden de compra.exe
"C:\Users\Admin\AppData\Local\Temp\Orden de compra.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1100

C:\Windows\SysWOW64\secinit.exe
secinit.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1368

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1224

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\secinit.exe"
3⤵
PID:664

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/664-70-0x0000000000000000-mapping.dmp

Download
memory/1100-62-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1100-60-0x0000000075AF1000-0x0000000075AF3000-memory.dmp

Filesize
8KB

Download
memory/1212-75-0x0000000007000000-0x0000000007184000-memory.dmp

Filesize
1.5MB

Download
memory/1212-68-0x0000000006BC0000-0x0000000006D52000-memory.dmp

Filesize
1.6MB

Download
memory/1224-71-0x0000000000710000-0x0000000000717000-memory.dmp

Filesize
28KB

Download
memory/1224-74-0x0000000001DC0000-0x0000000001E53000-memory.dmp

Filesize
588KB

Download
memory/1224-73-0x0000000001F80000-0x0000000002283000-memory.dmp

Filesize
3.0MB

Download
memory/1224-72-0x0000000000080000-0x00000000000AE000-memory.dmp

Filesize
184KB

Download
memory/1224-69-0x0000000000000000-mapping.dmp

Download
memory/1368-64-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/1368-67-0x0000000000220000-0x0000000000234000-memory.dmp

Filesize
80KB

Download
memory/1368-66-0x0000000001EF0000-0x00000000021F3000-memory.dmp

Filesize
3.0MB

Download
memory/1368-65-0x0000000010410000-0x000000001043E000-memory.dmp

Filesize
184KB

Download
memory/1368-63-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads