formbook | 2a2187ae775f286c2400957b71aac1c550779fc6652a710d126546d4d4879f0f

General

Target

Document RFQ#8086A_461A_0000086_300_3550_2021.exe
Size

510KB
MD5

a445dd187c6dc7254da6d2f0d893f2fb
SHA1

c0548d4ed4a9c2b68fbcf592e9a892fa587d5b0e
SHA256

2a2187ae775f286c2400957b71aac1c550779fc6652a710d126546d4d4879f0f
SHA512

ec8fb387474fe1a737ea46d67e5b2e363ecb6c35634e1af63e465fb487c8ae2b7684d128d8ea982d6234110dee83a4601b6fba64f05765a41927f580520c527e

Score

10^/10

formbook g8ni rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

g8ni

C2

http://www.er5544.com/g8ni/

Decoy

nickmowat.com

garethjame.biz

colibrilift.com

vulnerabilitylabs.one

neuro-ai-web-ru.website

16mcnaestreetmooneeponds.com

bestofstmaarten.net

meditelier.com

ragnarduke.com

escueladecampo.com

vongtayvn.com

inmemoriamaan.com

yourpeoplemanager.com

r6-gytr.com

agreeablebeauty.com

snpconfirms.com

tribalurq.quest

purafuse.com

cisco-training-course.com

wery.top

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/1676-61-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1676-62-0x000000000041F0C0-mapping.dmp	formbook
behavioral1/memory/1488-70-0x0000000000070000-0x000000000009F000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1320 cmd.exe

pid	process
1320	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Document RFQ#8086A_461A_0000086_300_3550_2021.exeDocument RFQ#8086A_461A_0000086_300_3550_2021.execscript.exe

description	pid	process	target process
PID 1064 set thread context of 1676	1064	Document RFQ#8086A_461A_0000086_300_3550_2021.exe	Document RFQ#8086A_461A_0000086_300_3550_2021.exe
PID 1676 set thread context of 1420	1676	Document RFQ#8086A_461A_0000086_300_3550_2021.exe	Explorer.EXE
PID 1488 set thread context of 1420	1488	cscript.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

608 schtasks.exe

pid	process
608	schtasks.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

Document RFQ#8086A_461A_0000086_300_3550_2021.exeDocument RFQ#8086A_461A_0000086_300_3550_2021.execscript.exe

pid	process
1064	Document RFQ#8086A_461A_0000086_300_3550_2021.exe
1064	Document RFQ#8086A_461A_0000086_300_3550_2021.exe
1064	Document RFQ#8086A_461A_0000086_300_3550_2021.exe
1064	Document RFQ#8086A_461A_0000086_300_3550_2021.exe
1064	Document RFQ#8086A_461A_0000086_300_3550_2021.exe
1064	Document RFQ#8086A_461A_0000086_300_3550_2021.exe
1676	Document RFQ#8086A_461A_0000086_300_3550_2021.exe
1676	Document RFQ#8086A_461A_0000086_300_3550_2021.exe
1488	cscript.exe
1488	cscript.exe
1488	cscript.exe
1488	cscript.exe
1488	cscript.exe
1488	cscript.exe
1488	cscript.exe
1488	cscript.exe
1488	cscript.exe
1488	cscript.exe
1488	cscript.exe
1488	cscript.exe
1488	cscript.exe
1488	cscript.exe
1488	cscript.exe
1488	cscript.exe
1488	cscript.exe
1488	cscript.exe
1488	cscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Document RFQ#8086A_461A_0000086_300_3550_2021.execscript.exe

pid	process
1676	Document RFQ#8086A_461A_0000086_300_3550_2021.exe
1676	Document RFQ#8086A_461A_0000086_300_3550_2021.exe
1676	Document RFQ#8086A_461A_0000086_300_3550_2021.exe
1488	cscript.exe
1488	cscript.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Document RFQ#8086A_461A_0000086_300_3550_2021.exeDocument RFQ#8086A_461A_0000086_300_3550_2021.execscript.exe

description	pid	process
Token: SeDebugPrivilege	1064	Document RFQ#8086A_461A_0000086_300_3550_2021.exe
Token: SeDebugPrivilege	1676	Document RFQ#8086A_461A_0000086_300_3550_2021.exe
Token: SeDebugPrivilege	1488	cscript.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1420 Explorer.EXE
1420 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1420 Explorer.EXE
1420 Explorer.EXE

pid	process
1420	Explorer.EXE
1420	Explorer.EXE

pid	process
1420	Explorer.EXE
1420	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

Document RFQ#8086A_461A_0000086_300_3550_2021.exeExplorer.EXEcscript.exe

description	pid	process	target process
PID 1064 wrote to memory of 608	1064	Document RFQ#8086A_461A_0000086_300_3550_2021.exe	schtasks.exe
PID 1064 wrote to memory of 608	1064	Document RFQ#8086A_461A_0000086_300_3550_2021.exe	schtasks.exe
PID 1064 wrote to memory of 608	1064	Document RFQ#8086A_461A_0000086_300_3550_2021.exe	schtasks.exe
PID 1064 wrote to memory of 608	1064	Document RFQ#8086A_461A_0000086_300_3550_2021.exe	schtasks.exe
PID 1064 wrote to memory of 1676	1064	Document RFQ#8086A_461A_0000086_300_3550_2021.exe	Document RFQ#8086A_461A_0000086_300_3550_2021.exe
PID 1064 wrote to memory of 1676	1064	Document RFQ#8086A_461A_0000086_300_3550_2021.exe	Document RFQ#8086A_461A_0000086_300_3550_2021.exe
PID 1064 wrote to memory of 1676	1064	Document RFQ#8086A_461A_0000086_300_3550_2021.exe	Document RFQ#8086A_461A_0000086_300_3550_2021.exe
PID 1064 wrote to memory of 1676	1064	Document RFQ#8086A_461A_0000086_300_3550_2021.exe	Document RFQ#8086A_461A_0000086_300_3550_2021.exe
PID 1064 wrote to memory of 1676	1064	Document RFQ#8086A_461A_0000086_300_3550_2021.exe	Document RFQ#8086A_461A_0000086_300_3550_2021.exe
PID 1064 wrote to memory of 1676	1064	Document RFQ#8086A_461A_0000086_300_3550_2021.exe	Document RFQ#8086A_461A_0000086_300_3550_2021.exe
PID 1064 wrote to memory of 1676	1064	Document RFQ#8086A_461A_0000086_300_3550_2021.exe	Document RFQ#8086A_461A_0000086_300_3550_2021.exe
PID 1420 wrote to memory of 1488	1420	Explorer.EXE	cscript.exe
PID 1420 wrote to memory of 1488	1420	Explorer.EXE	cscript.exe
PID 1420 wrote to memory of 1488	1420	Explorer.EXE	cscript.exe
PID 1420 wrote to memory of 1488	1420	Explorer.EXE	cscript.exe
PID 1488 wrote to memory of 1320	1488	cscript.exe	cmd.exe
PID 1488 wrote to memory of 1320	1488	cscript.exe	cmd.exe
PID 1488 wrote to memory of 1320	1488	cscript.exe	cmd.exe
PID 1488 wrote to memory of 1320	1488	cscript.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:1420

C:\Users\Admin\AppData\Local\Temp\Document RFQ#8086A_461A_0000086_300_3550_2021.exe
"C:\Users\Admin\AppData\Local\Temp\Document RFQ#8086A_461A_0000086_300_3550_2021.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1064

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BLhDhkGdnNl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFB30.tmp"
3⤵
- Creates scheduled task(s)
PID:608

C:\Users\Admin\AppData\Local\Temp\Document RFQ#8086A_461A_0000086_300_3550_2021.exe
"C:\Users\Admin\AppData\Local\Temp\Document RFQ#8086A_461A_0000086_300_3550_2021.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1676

C:\Windows\SysWOW64\cscript.exe
"C:\Windows\SysWOW64\cscript.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\Document RFQ#8086A_461A_0000086_300_3550_2021.exe"
3⤵
- Deletes itself
PID:1320

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

memory/608-58-0x0000000000000000-mapping.dmp

Download
memory/1064-55-0x00000000072C0000-0x00000000072C1000-memory.dmp

Filesize
4KB

Download
memory/1064-56-0x00000000004F0000-0x00000000004F8000-memory.dmp

Filesize
32KB

Download
memory/1064-57-0x00000000048E0000-0x0000000004930000-memory.dmp

Filesize
320KB

Download
memory/1064-53-0x00000000012E0000-0x00000000012E1000-memory.dmp

Filesize
4KB

Download
memory/1320-68-0x0000000000000000-mapping.dmp

Download
memory/1420-66-0x0000000006790000-0x00000000068A2000-memory.dmp

Filesize
1.1MB

Download
memory/1420-73-0x0000000007030000-0x000000000715F000-memory.dmp

Filesize
1.2MB

Download
memory/1488-67-0x0000000000000000-mapping.dmp

Download
memory/1488-69-0x00000000002A0000-0x00000000002C2000-memory.dmp

Filesize
136KB

Download
memory/1488-70-0x0000000000070000-0x000000000009F000-memory.dmp

Filesize
188KB

Download
memory/1488-71-0x0000000002200000-0x0000000002503000-memory.dmp

Filesize
3.0MB

Download
memory/1488-72-0x00000000005B0000-0x0000000000643000-memory.dmp

Filesize
588KB

Download
memory/1676-64-0x00000000008F0000-0x0000000000BF3000-memory.dmp

Filesize
3.0MB

Download
memory/1676-65-0x0000000000140000-0x0000000000154000-memory.dmp

Filesize
80KB

Download
memory/1676-62-0x000000000041F0C0-mapping.dmp

Download
memory/1676-61-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1676-60-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1676-59-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads