formbook | 8b0f72a57e3a2e8c3963fc835d894dab5b0b732176933fa2b96d1e07d42cc4f6

General

Target

Listar pedido nuevo.exe
Size

699KB
MD5

f28bb3711be3e8a5281d28fc795ec5b0
SHA1

85981c13f7d39dac047c8046be3241bddaeabe17
SHA256

ab529f4c00e85413f18a544ab0bf9d8a4f5803d8ac497c0a9ccbcf38d17662fa
SHA512

ad1c8eaf2dc779c1b6518f31053f5e0cf8cb8d2572f66a065191fd91312025094f64b29e0b671b238c113eadbc75e69230f7b9eaf631629e21e21d046e6ed0a3

Score

10^/10

formbook 3nop rat spyware stealer suricata 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
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Formbook Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/520-66-0x0000000010410000-0x000000001043E000-memory.dmp	formbook
behavioral1/memory/1324-75-0x00000000000E0000-0x000000000010E000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

logagent.exechkdsk.exe

description	pid	process	target process
PID 520 set thread context of 1244	520	logagent.exe	Explorer.EXE
PID 520 set thread context of 1244	520	logagent.exe	Explorer.EXE
PID 1324 set thread context of 1244	1324	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 27 IoCs

Processes:

logagent.exechkdsk.exe

pid	process
520	logagent.exe
520	logagent.exe
520	logagent.exe
1324	chkdsk.exe
1324	chkdsk.exe
1324	chkdsk.exe
1324	chkdsk.exe
1324	chkdsk.exe
1324	chkdsk.exe
1324	chkdsk.exe
1324	chkdsk.exe
1324	chkdsk.exe
1324	chkdsk.exe
1324	chkdsk.exe
1324	chkdsk.exe
1324	chkdsk.exe
1324	chkdsk.exe
1324	chkdsk.exe
1324	chkdsk.exe
1324	chkdsk.exe
1324	chkdsk.exe
1324	chkdsk.exe
1324	chkdsk.exe
1324	chkdsk.exe
1324	chkdsk.exe
1324	chkdsk.exe
1324	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1244 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

logagent.exechkdsk.exe

pid process

520 logagent.exe
520 logagent.exe
520 logagent.exe
520 logagent.exe
1324 chkdsk.exe
1324 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

logagent.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 520 logagent.exe
Token: SeDebugPrivilege 1324 chkdsk.exe
Suspicious use of FindShellTrayWindow 5 IoCs

Processes:

Explorer.EXE

pid process

1244 Explorer.EXE
1244 Explorer.EXE
1244 Explorer.EXE
1244 Explorer.EXE
1244 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1244 Explorer.EXE
1244 Explorer.EXE
1244 Explorer.EXE
1244 Explorer.EXE

pid	process
1244	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	520	logagent.exe
Token: SeDebugPrivilege	1324	chkdsk.exe

pid	process
1244	Explorer.EXE
1244	Explorer.EXE
1244	Explorer.EXE
1244	Explorer.EXE
1244	Explorer.EXE

pid	process
1244	Explorer.EXE
1244	Explorer.EXE
1244	Explorer.EXE
1244	Explorer.EXE

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Listar pedido nuevo.exelogagent.exechkdsk.exe

description	pid	process	target process
PID 280 wrote to memory of 520	280	Listar pedido nuevo.exe	logagent.exe
PID 280 wrote to memory of 520	280	Listar pedido nuevo.exe	logagent.exe
PID 280 wrote to memory of 520	280	Listar pedido nuevo.exe	logagent.exe
PID 280 wrote to memory of 520	280	Listar pedido nuevo.exe	logagent.exe
PID 280 wrote to memory of 520	280	Listar pedido nuevo.exe	logagent.exe
PID 280 wrote to memory of 520	280	Listar pedido nuevo.exe	logagent.exe
PID 280 wrote to memory of 520	280	Listar pedido nuevo.exe	logagent.exe
PID 280 wrote to memory of 520	280	Listar pedido nuevo.exe	logagent.exe
PID 280 wrote to memory of 520	280	Listar pedido nuevo.exe	logagent.exe
PID 520 wrote to memory of 1324	520	logagent.exe	chkdsk.exe
PID 520 wrote to memory of 1324	520	logagent.exe	chkdsk.exe
PID 520 wrote to memory of 1324	520	logagent.exe	chkdsk.exe
PID 520 wrote to memory of 1324	520	logagent.exe	chkdsk.exe
PID 1324 wrote to memory of 1408	1324	chkdsk.exe	cmd.exe
PID 1324 wrote to memory of 1408	1324	chkdsk.exe	cmd.exe
PID 1324 wrote to memory of 1408	1324	chkdsk.exe	cmd.exe
PID 1324 wrote to memory of 1408	1324	chkdsk.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1244

C:\Users\Admin\AppData\Local\Temp\Listar pedido nuevo.exe
"C:\Users\Admin\AppData\Local\Temp\Listar pedido nuevo.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:280

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
- Suspicious use of WriteProcessMemory
PID:520

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
4⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1324

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\logagent.exe"
5⤵
PID:1408

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

Replay Monitor

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Downloads

memory/280-62-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/280-60-0x0000000075041000-0x0000000075043000-memory.dmp

Filesize
8KB

Download
memory/520-70-0x00000000002C0000-0x00000000002D4000-memory.dmp

Filesize
80KB

Download
memory/520-63-0x0000000000000000-mapping.dmp

Download
memory/520-64-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/520-66-0x0000000010410000-0x000000001043E000-memory.dmp

Filesize
184KB

Download
memory/520-65-0x00000000000F0000-0x00000000000F1000-memory.dmp

Filesize
4KB

Download
memory/520-67-0x0000000002870000-0x0000000002B73000-memory.dmp

Filesize
3.0MB

Download
memory/520-68-0x0000000000240000-0x0000000000254000-memory.dmp

Filesize
80KB

Download
memory/1244-69-0x0000000007500000-0x0000000007643000-memory.dmp

Filesize
1.3MB

Download
memory/1244-71-0x00000000076E0000-0x000000000780D000-memory.dmp

Filesize
1.2MB

Download
memory/1244-77-0x00000000026F0000-0x0000000002700000-memory.dmp

Filesize
64KB

Download
memory/1244-79-0x0000000004220000-0x00000000042F6000-memory.dmp

Filesize
856KB

Download
memory/1324-72-0x0000000000000000-mapping.dmp

Download
memory/1324-74-0x00000000000D0000-0x00000000000D7000-memory.dmp

Filesize
28KB

Download
memory/1324-75-0x00000000000E0000-0x000000000010E000-memory.dmp

Filesize
184KB

Download
memory/1324-76-0x0000000001FA0000-0x00000000022A3000-memory.dmp

Filesize
3.0MB

Download
memory/1324-78-0x0000000001EB0000-0x0000000001F43000-memory.dmp

Filesize
588KB

Download
memory/1408-73-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads