formbook | 9a0390e1d442f3b0c0d3de9552b5a902f0ed5ab4b346d2cb130d182b82d2cd71

General

Target

Orden de compra.exe
Size

702KB
MD5

ecd71709287a9ff558013bee1575c5bc
SHA1

e81ef75586e2b391ade4cbb62d60aa50cf00c964
SHA256

b6788527f99a436b0e8925eb14c8800ced61fd406edd4182aa00072b3f74f39e
SHA512

3dfddac63d09b61c702d4d7ee615f85a49683b1610eac36625419116381d68f899d652dea942f2d362aae621d9705ec4557827903d0d6d398a056b3754c7019c

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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1760-63-0x0000000000000000-mapping.dmp	formbook
behavioral1/memory/1760-66-0x0000000010410000-0x000000001043E000-memory.dmp	formbook
behavioral1/memory/1660-74-0x0000000000080000-0x00000000000AE000-memory.dmp	formbook

Suspicious use of SetThreadContext 2 IoCs

Processes:

DpiScaling.exeNETSTAT.EXE

description	pid	process	target process
PID 1760 set thread context of 1212	1760	DpiScaling.exe	Explorer.EXE
PID 1660 set thread context of 1212	1660	NETSTAT.EXE	Explorer.EXE

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

NETSTAT.EXE

pid process

1660 NETSTAT.EXE

pid	process
1660	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

DpiScaling.exeNETSTAT.EXE

pid	process
1760	DpiScaling.exe
1760	DpiScaling.exe
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE
1660	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1212 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

DpiScaling.exeNETSTAT.EXE

pid process

1760 DpiScaling.exe
1760 DpiScaling.exe
1760 DpiScaling.exe
1660 NETSTAT.EXE
1660 NETSTAT.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DpiScaling.exeNETSTAT.EXE

description pid process

Token: SeDebugPrivilege 1760 DpiScaling.exe
Token: SeDebugPrivilege 1660 NETSTAT.EXE
Suspicious use of FindShellTrayWindow 5 IoCs

Processes:

Explorer.EXE

pid process

1212 Explorer.EXE
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	1760	DpiScaling.exe
Token: SeDebugPrivilege	1660	NETSTAT.EXE

pid	process
1212	Explorer.EXE
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.EXENETSTAT.EXE

description	pid	process	target process
PID 1052 wrote to memory of 1760	1052	Orden de compra.exe	DpiScaling.exe
PID 1052 wrote to memory of 1760	1052	Orden de compra.exe	DpiScaling.exe
PID 1052 wrote to memory of 1760	1052	Orden de compra.exe	DpiScaling.exe
PID 1052 wrote to memory of 1760	1052	Orden de compra.exe	DpiScaling.exe
PID 1052 wrote to memory of 1760	1052	Orden de compra.exe	DpiScaling.exe
PID 1052 wrote to memory of 1760	1052	Orden de compra.exe	DpiScaling.exe
PID 1052 wrote to memory of 1760	1052	Orden de compra.exe	DpiScaling.exe
PID 1212 wrote to memory of 1660	1212	Explorer.EXE	NETSTAT.EXE
PID 1212 wrote to memory of 1660	1212	Explorer.EXE	NETSTAT.EXE
PID 1212 wrote to memory of 1660	1212	Explorer.EXE	NETSTAT.EXE
PID 1212 wrote to memory of 1660	1212	Explorer.EXE	NETSTAT.EXE
PID 1660 wrote to memory of 1584	1660	NETSTAT.EXE	cmd.exe
PID 1660 wrote to memory of 1584	1660	NETSTAT.EXE	cmd.exe
PID 1660 wrote to memory of 1584	1660	NETSTAT.EXE	cmd.exe
PID 1660 wrote to memory of 1584	1660	NETSTAT.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:1052

C:\Windows\SysWOW64\DpiScaling.exe
DpiScaling.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1760

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1660

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\DpiScaling.exe"
3⤵
PID:1584

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1052-62-0x00000000003B0000-0x00000000003B1000-memory.dmp

Filesize
4KB

Download
memory/1052-60-0x0000000074D91000-0x0000000074D93000-memory.dmp

Filesize
8KB

Download
memory/1212-69-0x0000000004F40000-0x0000000005040000-memory.dmp

Filesize
1024KB

Download
memory/1212-77-0x0000000005040000-0x0000000005111000-memory.dmp

Filesize
836KB

Download
memory/1212-70-0x0000000003B60000-0x0000000003B70000-memory.dmp

Filesize
64KB

Download
memory/1584-72-0x0000000000000000-mapping.dmp

Download
memory/1660-74-0x0000000000080000-0x00000000000AE000-memory.dmp

Filesize
184KB

Download
memory/1660-71-0x0000000000000000-mapping.dmp

Download
memory/1660-73-0x0000000000CB0000-0x0000000000CB9000-memory.dmp

Filesize
36KB

Download
memory/1660-75-0x00000000020C0000-0x00000000023C3000-memory.dmp

Filesize
3.0MB

Download
memory/1660-76-0x0000000000A70000-0x0000000000B03000-memory.dmp

Filesize
588KB

Download
memory/1760-68-0x0000000000260000-0x0000000000274000-memory.dmp

Filesize
80KB

Download
memory/1760-67-0x0000000002280000-0x0000000002583000-memory.dmp

Filesize
3.0MB

Download
memory/1760-65-0x00000000000D0000-0x00000000000D1000-memory.dmp

Filesize
4KB

Download
memory/1760-66-0x0000000010410000-0x000000001043E000-memory.dmp

Filesize
184KB

Download
memory/1760-63-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads