formbook | 1b931e14bdbf51c88c98a13c7f934dd3c9e8e1b8583d8d95129e1a0b3a03eece

General

Target

Adjunto orden de compra.exe
Size

1.1MB
MD5

20f7d95a5ff1ad22ebabc1037556c014
SHA1

25c25c70ba0e88f4952fb739df0e9d48896b71fd
SHA256

1b931e14bdbf51c88c98a13c7f934dd3c9e8e1b8583d8d95129e1a0b3a03eece
SHA512

11f5431d648eccbd3234a4b325a4ce9adea021c28ed144bc1f8e55d47ce99ef9910266b7d6c7cfdb9eb5ede7512e25ae4ee8a09a9ae7b3e653c2c04b205b153f

Score

10^/10

formbook 3nop persistence rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

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 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3456-139-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral2/memory/3836-146-0x0000000000670000-0x000000000069E000-memory.dmp	formbook

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Adjunto orden de compra.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Pbadbrs = "C:\\Users\\Public\\srbdabP.url"	Adjunto orden de compra.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

logagent.exeNETSTAT.EXE

description	pid	process	target process
PID 3456 set thread context of 3024	3456	logagent.exe	Explorer.EXE
PID 3836 set thread context of 3024	3836	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

3836 NETSTAT.EXE

pid	process
3836	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 36 IoCs

Processes:

logagent.exeNETSTAT.EXE

pid	process
3456	logagent.exe
3456	logagent.exe
3456	logagent.exe
3456	logagent.exe
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE
3836	NETSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3024 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

logagent.exeNETSTAT.EXE

pid process

3456 logagent.exe
3456 logagent.exe
3456 logagent.exe
3836 NETSTAT.EXE
3836 NETSTAT.EXE

pid	process
3024	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

logagent.exeNETSTAT.EXEExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	3456	logagent.exe
Token: SeDebugPrivilege	3836	NETSTAT.EXE
Token: SeShutdownPrivilege	3024	Explorer.EXE
Token: SeCreatePagefilePrivilege	3024	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Adjunto orden de compra.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 680 wrote to memory of 3456	680	Adjunto orden de compra.exe	logagent.exe
PID 680 wrote to memory of 3456	680	Adjunto orden de compra.exe	logagent.exe
PID 680 wrote to memory of 3456	680	Adjunto orden de compra.exe	logagent.exe
PID 680 wrote to memory of 3456	680	Adjunto orden de compra.exe	logagent.exe
PID 680 wrote to memory of 3456	680	Adjunto orden de compra.exe	logagent.exe
PID 680 wrote to memory of 3456	680	Adjunto orden de compra.exe	logagent.exe
PID 3024 wrote to memory of 3836	3024	Explorer.EXE	NETSTAT.EXE
PID 3024 wrote to memory of 3836	3024	Explorer.EXE	NETSTAT.EXE
PID 3024 wrote to memory of 3836	3024	Explorer.EXE	NETSTAT.EXE
PID 3836 wrote to memory of 3412	3836	NETSTAT.EXE	cmd.exe
PID 3836 wrote to memory of 3412	3836	NETSTAT.EXE	cmd.exe
PID 3836 wrote to memory of 3412	3836	NETSTAT.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3024

C:\Users\Admin\AppData\Local\Temp\Adjunto orden de compra.exe
"C:\Users\Admin\AppData\Local\Temp\Adjunto orden de compra.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:680

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:3456

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:3836

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\logagent.exe"
3⤵
PID:3412

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/680-134-0x0000000002410000-0x0000000002411000-memory.dmp

Filesize
4KB

Download
memory/680-137-0x0000000003FB6000-0x0000000003FB7000-memory.dmp

Filesize
4KB

Download
memory/3024-149-0x00000000083A0000-0x00000000084DA000-memory.dmp

Filesize
1.2MB

Download
memory/3024-144-0x00000000082C0000-0x000000000839D000-memory.dmp

Filesize
884KB

Download
memory/3456-143-0x0000000002F40000-0x0000000002F54000-memory.dmp

Filesize
80KB

Download
memory/3456-141-0x0000000003070000-0x00000000033BA000-memory.dmp

Filesize
3.3MB

Download
memory/3456-142-0x000000007249E000-0x000000007249F000-memory.dmp

Filesize
4KB

Download
memory/3456-139-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/3456-138-0x0000000000FA0000-0x0000000000FA1000-memory.dmp

Filesize
4KB

Download
memory/3836-145-0x0000000000960000-0x000000000096B000-memory.dmp

Filesize
44KB

Download
memory/3836-146-0x0000000000670000-0x000000000069E000-memory.dmp

Filesize
184KB

Download
memory/3836-147-0x0000000000FB0000-0x00000000012FA000-memory.dmp

Filesize
3.3MB

Download
memory/3836-148-0x0000000000C50000-0x0000000000CE3000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads