formbook | d90b2ee420fc51d84a0c3c3fe2ae4e13b6313cd030be264440538a396dfe7956

General

Target

pedido urgente pdf.exe
Size

973KB
MD5

42c8d23c057b69d3059dfd7bb4af736e
SHA1

a5f7fe4e31d69c1e452f513ba79b57ef57079b23
SHA256

d90b2ee420fc51d84a0c3c3fe2ae4e13b6313cd030be264440538a396dfe7956
SHA512

b524f68ed82306acbc3422f6475071bb05e3c9e72510a70784e08f9b2561b962beba6847e4679bd24247c7899e84b7799b2f1171decab195a456e181725f3ad6

Score

10^/10

formbook n7ak persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

C2

http://www.kmresults.com/n7ak/

Decoy

modischoolcbse.com

theneverwinter.com

rszkjx-vps-hosting.website

fnihil.com

1pbet.com

nnowzscorrez.com

uaotgvjl.icu

starmapsqatar.com

ekisilani.com

extradeepsheets.com

jam-nins.com

buranly.com

orixentertainment.com

rawtech.energy

myol.guru

utex.club

jiapie.com

wowig.store

wweidlyyl.com

systaskautomation.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/1936-60-0x0000000000000000-mapping.dmp	formbook
behavioral1/memory/1936-63-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral1/memory/1908-70-0x0000000000110000-0x000000000013E000-memory.dmp	formbook

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

pedido urgente pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\Gsdjit = "C:\\Users\\Public\\tijdsG.url"	pedido urgente pdf.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

logagent.exemsdt.exe

description	pid	process	target process
PID 1936 set thread context of 1376	1936	logagent.exe	Explorer.EXE
PID 1908 set thread context of 1376	1908	msdt.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

logagent.exemsdt.exe

pid	process
1936	logagent.exe
1936	logagent.exe
1908	msdt.exe
1908	msdt.exe
1908	msdt.exe
1908	msdt.exe
1908	msdt.exe
1908	msdt.exe
1908	msdt.exe
1908	msdt.exe
1908	msdt.exe
1908	msdt.exe
1908	msdt.exe
1908	msdt.exe
1908	msdt.exe
1908	msdt.exe
1908	msdt.exe
1908	msdt.exe
1908	msdt.exe
1908	msdt.exe
1908	msdt.exe
1908	msdt.exe
1908	msdt.exe
1908	msdt.exe
1908	msdt.exe
1908	msdt.exe
1908	msdt.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

logagent.exemsdt.exe

pid process

1936 logagent.exe
1936 logagent.exe
1936 logagent.exe
1908 msdt.exe
1908 msdt.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

logagent.exemsdt.exe

description pid process

Token: SeDebugPrivilege 1936 logagent.exe
Token: SeDebugPrivilege 1908 msdt.exe

description	pid	process
Token: SeDebugPrivilege	1936	logagent.exe
Token: SeDebugPrivilege	1908	msdt.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

pedido urgente pdf.exeExplorer.EXEmsdt.exe

description	pid	process	target process
PID 1624 wrote to memory of 1936	1624	pedido urgente pdf.exe	logagent.exe
PID 1624 wrote to memory of 1936	1624	pedido urgente pdf.exe	logagent.exe
PID 1624 wrote to memory of 1936	1624	pedido urgente pdf.exe	logagent.exe
PID 1624 wrote to memory of 1936	1624	pedido urgente pdf.exe	logagent.exe
PID 1624 wrote to memory of 1936	1624	pedido urgente pdf.exe	logagent.exe
PID 1624 wrote to memory of 1936	1624	pedido urgente pdf.exe	logagent.exe
PID 1624 wrote to memory of 1936	1624	pedido urgente pdf.exe	logagent.exe
PID 1376 wrote to memory of 1908	1376	Explorer.EXE	msdt.exe
PID 1376 wrote to memory of 1908	1376	Explorer.EXE	msdt.exe
PID 1376 wrote to memory of 1908	1376	Explorer.EXE	msdt.exe
PID 1376 wrote to memory of 1908	1376	Explorer.EXE	msdt.exe
PID 1908 wrote to memory of 1580	1908	msdt.exe	cmd.exe
PID 1908 wrote to memory of 1580	1908	msdt.exe	cmd.exe
PID 1908 wrote to memory of 1580	1908	msdt.exe	cmd.exe
PID 1908 wrote to memory of 1580	1908	msdt.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1376

C:\Users\Admin\AppData\Local\Temp\pedido urgente pdf.exe
"C:\Users\Admin\AppData\Local\Temp\pedido urgente pdf.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1624

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:1936

C:\Windows\SysWOW64\msdt.exe
"C:\Windows\SysWOW64\msdt.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1908

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\logagent.exe"
3⤵
PID:1580

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1376-74-0x0000000007C20000-0x0000000007D70000-memory.dmp

Filesize
1.3MB

Download
memory/1376-66-0x0000000007000000-0x0000000007165000-memory.dmp

Filesize
1.4MB

Download
memory/1580-71-0x0000000000000000-mapping.dmp

Download
memory/1624-55-0x00000000002E1000-0x00000000002F5000-memory.dmp

Filesize
80KB

Download
memory/1624-56-0x0000000074B91000-0x0000000074B93000-memory.dmp

Filesize
8KB

Download
memory/1624-54-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1908-67-0x0000000000000000-mapping.dmp

Download
memory/1908-73-0x0000000000A30000-0x0000000000AC3000-memory.dmp

Filesize
588KB

Download
memory/1908-72-0x00000000021C0000-0x00000000024C3000-memory.dmp

Filesize
3.0MB

Download
memory/1908-69-0x0000000000B30000-0x0000000000C24000-memory.dmp

Filesize
976KB

Download
memory/1908-70-0x0000000000110000-0x000000000013E000-memory.dmp

Filesize
184KB

Download
memory/1936-57-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/1936-62-0x0000000000090000-0x0000000000091000-memory.dmp

Filesize
4KB

Download
memory/1936-63-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/1936-64-0x0000000002140000-0x0000000002443000-memory.dmp

Filesize
3.0MB

Download
memory/1936-65-0x0000000000190000-0x00000000001A4000-memory.dmp

Filesize
80KB

Download
memory/1936-60-0x0000000000000000-mapping.dmp

Download
memory/1936-58-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads