formbook | 3ecf3d1df831abf769bbb4121101d9c2ed9c736dd19f8c8f2ce361443b018a96

General

Target

Copia de confirmacion de pago.exe
Size

583KB
MD5

c4cfb1228513722c5dc0948cd11d333d
SHA1

31768c5e304967bb5c49b77a6c1f1b73456dea55
SHA256

3ecf3d1df831abf769bbb4121101d9c2ed9c736dd19f8c8f2ce361443b018a96
SHA512

feb31277468c802a233df357e118a4b965fb746d1cc1348b5bbcf8bc27ee9e900b17069de880de05afae9abed1493aac22468fa1c4364111dce877078c99ee72

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/340-68-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/340-69-0x000000000041ED20-mapping.dmp	formbook
behavioral1/memory/1488-76-0x0000000000070000-0x000000000009E000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

772 cmd.exe

pid	process
772	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Copia de confirmacion de pago.exeCopia de confirmacion de pago.exewscript.exe

description	pid	process	target process
PID 1920 set thread context of 340	1920	Copia de confirmacion de pago.exe	Copia de confirmacion de pago.exe
PID 340 set thread context of 1288	340	Copia de confirmacion de pago.exe	Explorer.EXE
PID 1488 set thread context of 1288	1488	wscript.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1164 schtasks.exe

pid	process
1164	schtasks.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

Copia de confirmacion de pago.exeCopia de confirmacion de pago.exewscript.exe

pid	process
1920	Copia de confirmacion de pago.exe
340	Copia de confirmacion de pago.exe
340	Copia de confirmacion de pago.exe
1488	wscript.exe
1488	wscript.exe
1488	wscript.exe
1488	wscript.exe
1488	wscript.exe
1488	wscript.exe
1488	wscript.exe
1488	wscript.exe
1488	wscript.exe
1488	wscript.exe
1488	wscript.exe
1488	wscript.exe
1488	wscript.exe
1488	wscript.exe
1488	wscript.exe
1488	wscript.exe
1488	wscript.exe
1488	wscript.exe
1488	wscript.exe
1488	wscript.exe
1488	wscript.exe
1488	wscript.exe
1488	wscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Copia de confirmacion de pago.exewscript.exe

pid process

340 Copia de confirmacion de pago.exe
340 Copia de confirmacion de pago.exe
340 Copia de confirmacion de pago.exe
1488 wscript.exe
1488 wscript.exe

pid	process
340	Copia de confirmacion de pago.exe
340	Copia de confirmacion de pago.exe
340	Copia de confirmacion de pago.exe
1488	wscript.exe
1488	wscript.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Copia de confirmacion de pago.exeCopia de confirmacion de pago.exewscript.exe

description	pid	process
Token: SeDebugPrivilege	1920	Copia de confirmacion de pago.exe
Token: SeDebugPrivilege	340	Copia de confirmacion de pago.exe
Token: SeDebugPrivilege	1488	wscript.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1288 Explorer.EXE
1288 Explorer.EXE
1288 Explorer.EXE
1288 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1288 Explorer.EXE
1288 Explorer.EXE
1288 Explorer.EXE
1288 Explorer.EXE

pid	process
1288	Explorer.EXE
1288	Explorer.EXE
1288	Explorer.EXE
1288	Explorer.EXE

pid	process
1288	Explorer.EXE
1288	Explorer.EXE
1288	Explorer.EXE
1288	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

Copia de confirmacion de pago.exeExplorer.EXEwscript.exe

description	pid	process	target process
PID 1920 wrote to memory of 1164	1920	Copia de confirmacion de pago.exe	schtasks.exe
PID 1920 wrote to memory of 1164	1920	Copia de confirmacion de pago.exe	schtasks.exe
PID 1920 wrote to memory of 1164	1920	Copia de confirmacion de pago.exe	schtasks.exe
PID 1920 wrote to memory of 1164	1920	Copia de confirmacion de pago.exe	schtasks.exe
PID 1920 wrote to memory of 340	1920	Copia de confirmacion de pago.exe	Copia de confirmacion de pago.exe
PID 1920 wrote to memory of 340	1920	Copia de confirmacion de pago.exe	Copia de confirmacion de pago.exe
PID 1920 wrote to memory of 340	1920	Copia de confirmacion de pago.exe	Copia de confirmacion de pago.exe
PID 1920 wrote to memory of 340	1920	Copia de confirmacion de pago.exe	Copia de confirmacion de pago.exe
PID 1920 wrote to memory of 340	1920	Copia de confirmacion de pago.exe	Copia de confirmacion de pago.exe
PID 1920 wrote to memory of 340	1920	Copia de confirmacion de pago.exe	Copia de confirmacion de pago.exe
PID 1920 wrote to memory of 340	1920	Copia de confirmacion de pago.exe	Copia de confirmacion de pago.exe
PID 1288 wrote to memory of 1488	1288	Explorer.EXE	wscript.exe
PID 1288 wrote to memory of 1488	1288	Explorer.EXE	wscript.exe
PID 1288 wrote to memory of 1488	1288	Explorer.EXE	wscript.exe
PID 1288 wrote to memory of 1488	1288	Explorer.EXE	wscript.exe
PID 1488 wrote to memory of 772	1488	wscript.exe	cmd.exe
PID 1488 wrote to memory of 772	1488	wscript.exe	cmd.exe
PID 1488 wrote to memory of 772	1488	wscript.exe	cmd.exe
PID 1488 wrote to memory of 772	1488	wscript.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1288

C:\Users\Admin\AppData\Local\Temp\Copia de confirmacion de pago.exe
"C:\Users\Admin\AppData\Local\Temp\Copia de confirmacion de pago.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1920

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VgFijNkQWVHhf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3708.tmp"
3⤵
- Creates scheduled task(s)
PID:1164

C:\Users\Admin\AppData\Local\Temp\Copia de confirmacion de pago.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:340

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1488

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Copia de confirmacion de pago.exe"
3⤵
- Deletes itself
PID:772

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp3708.tmp
MD5
304cb1de1e7f31c8068e252f299e301d

SHA1
d104cf470c13cb6d2d72ece5fcdaed7db8828d34

SHA256
b33eff9cc89c555f5d5450fd509e890b3b0ac8df88c8d4706e4434d544671389

SHA512
d4feffd047db3c0010ae1d61067132fa0768fc073933d2e36eaf4ab9d18bfb01a19c21c1b4d561d2a9a3b6624addcd14d30923168c0feda0b14d866e98937f32

Download Submit
memory/340-70-0x0000000000870000-0x0000000000B73000-memory.dmp

Filesize
3.0MB

Download
memory/340-71-0x0000000000300000-0x0000000000314000-memory.dmp

Filesize
80KB

Download
memory/340-68-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/340-69-0x000000000041ED20-mapping.dmp

Download
memory/772-74-0x0000000000000000-mapping.dmp

Download
memory/1164-66-0x0000000000000000-mapping.dmp

Download
memory/1288-79-0x0000000004A20000-0x0000000004B2B000-memory.dmp

Filesize
1.0MB

Download
memory/1288-72-0x0000000006A20000-0x0000000006B89000-memory.dmp

Filesize
1.4MB

Download
memory/1488-73-0x0000000000000000-mapping.dmp

Download
memory/1488-75-0x00000000008B0000-0x00000000008D6000-memory.dmp

Filesize
152KB

Download
memory/1488-76-0x0000000000070000-0x000000000009E000-memory.dmp

Filesize
184KB

Download
memory/1488-77-0x0000000002190000-0x0000000002493000-memory.dmp

Filesize
3.0MB

Download
memory/1488-78-0x0000000000800000-0x0000000000893000-memory.dmp

Filesize
588KB

Download
memory/1920-65-0x0000000004410000-0x0000000004454000-memory.dmp

Filesize
272KB

Download
memory/1920-64-0x00000000008E0000-0x0000000000977000-memory.dmp

Filesize
604KB

Download
memory/1920-60-0x0000000000D90000-0x0000000000D91000-memory.dmp

Filesize
4KB

Download
memory/1920-63-0x0000000000240000-0x000000000024E000-memory.dmp

Filesize
56KB

Download
memory/1920-62-0x00000000042C0000-0x00000000042C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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