formbook | 7ad52e6203a53f00cd4fe729c698a8c4fb5aa3641b762217e0e32448e81ea563

General

Target

Bank Slip.exe
Size

687KB
MD5

70b451bd89a63b00a420d5104fe67853
SHA1

dc119895d29fd939c45ca5f839c4f94ee81df84d
SHA256

9611957db07f36a13d7e43f5c32c08c0e3c44c689e7d88c832490e3d259cfb48
SHA512

db248cf9b258a34dbf449ecce4b1e473adaff398bf0955cc4b700ca3aa881ad148d90a02a70958ba01087b04cfda9625a92cbaded8afe7000709b2ecf5a5d5e2

Score

10^/10

formbook r4gk rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

r4gk

C2

http://www.aprilsaak.quest/r4gk/

Decoy

quantalix.com

animalblog-eggs.com

039skz.xyz

guttas.net

lasantadayparty.com

protegerfinanceservices.com

vixtest.xyz

digitaleconomy.global

0xpax.xyz

mobilehome1688.com

themotionpartners.com

valueney.com

hattuafhv.quest

js0061gj.net

360metaverse.biz

seculardata.com

346727688.xyz

smartmapom.com

moksel.com

exoduswatchco.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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2016-64-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2016-65-0x000000000041F110-mapping.dmp	formbook
behavioral1/memory/2016-70-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1472-77-0x0000000000090000-0x00000000000BF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1524 cmd.exe

pid	process
1524	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

Bank Slip.exeBank Slip.exerundll32.exe

description	pid	process	target process
PID 1668 set thread context of 2016	1668	Bank Slip.exe	Bank Slip.exe
PID 2016 set thread context of 1272	2016	Bank Slip.exe	Explorer.EXE
PID 2016 set thread context of 1272	2016	Bank Slip.exe	Explorer.EXE
PID 1472 set thread context of 1272	1472	rundll32.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

1056 schtasks.exe

pid	process
1056	schtasks.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

Bank Slip.exeBank Slip.exerundll32.exe

pid	process
1668	Bank Slip.exe
1668	Bank Slip.exe
1668	Bank Slip.exe
1668	Bank Slip.exe
1668	Bank Slip.exe
1668	Bank Slip.exe
1668	Bank Slip.exe
2016	Bank Slip.exe
2016	Bank Slip.exe
2016	Bank Slip.exe
1472	rundll32.exe
1472	rundll32.exe
1472	rundll32.exe
1472	rundll32.exe
1472	rundll32.exe
1472	rundll32.exe
1472	rundll32.exe
1472	rundll32.exe
1472	rundll32.exe
1472	rundll32.exe
1472	rundll32.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

Bank Slip.exerundll32.exe

pid process

2016 Bank Slip.exe
2016 Bank Slip.exe
2016 Bank Slip.exe
2016 Bank Slip.exe
1472 rundll32.exe
1472 rundll32.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Bank Slip.exeBank Slip.exerundll32.exe

description pid process

Token: SeDebugPrivilege 1668 Bank Slip.exe
Token: SeDebugPrivilege 2016 Bank Slip.exe
Token: SeDebugPrivilege 1472 rundll32.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1272 Explorer.EXE
1272 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1272 Explorer.EXE
1272 Explorer.EXE

pid	process
2016	Bank Slip.exe
2016	Bank Slip.exe
2016	Bank Slip.exe
2016	Bank Slip.exe
1472	rundll32.exe
1472	rundll32.exe

description	pid	process
Token: SeDebugPrivilege	1668	Bank Slip.exe
Token: SeDebugPrivilege	2016	Bank Slip.exe
Token: SeDebugPrivilege	1472	rundll32.exe

pid	process
1272	Explorer.EXE
1272	Explorer.EXE

pid	process
1272	Explorer.EXE
1272	Explorer.EXE

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

Bank Slip.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 1668 wrote to memory of 1056	1668	Bank Slip.exe	schtasks.exe
PID 1668 wrote to memory of 1056	1668	Bank Slip.exe	schtasks.exe
PID 1668 wrote to memory of 1056	1668	Bank Slip.exe	schtasks.exe
PID 1668 wrote to memory of 1056	1668	Bank Slip.exe	schtasks.exe
PID 1668 wrote to memory of 2016	1668	Bank Slip.exe	Bank Slip.exe
PID 1668 wrote to memory of 2016	1668	Bank Slip.exe	Bank Slip.exe
PID 1668 wrote to memory of 2016	1668	Bank Slip.exe	Bank Slip.exe
PID 1668 wrote to memory of 2016	1668	Bank Slip.exe	Bank Slip.exe
PID 1668 wrote to memory of 2016	1668	Bank Slip.exe	Bank Slip.exe
PID 1668 wrote to memory of 2016	1668	Bank Slip.exe	Bank Slip.exe
PID 1668 wrote to memory of 2016	1668	Bank Slip.exe	Bank Slip.exe
PID 1272 wrote to memory of 1472	1272	Explorer.EXE	rundll32.exe
PID 1272 wrote to memory of 1472	1272	Explorer.EXE	rundll32.exe
PID 1272 wrote to memory of 1472	1272	Explorer.EXE	rundll32.exe
PID 1272 wrote to memory of 1472	1272	Explorer.EXE	rundll32.exe
PID 1272 wrote to memory of 1472	1272	Explorer.EXE	rundll32.exe
PID 1272 wrote to memory of 1472	1272	Explorer.EXE	rundll32.exe
PID 1272 wrote to memory of 1472	1272	Explorer.EXE	rundll32.exe
PID 1472 wrote to memory of 1524	1472	rundll32.exe	cmd.exe
PID 1472 wrote to memory of 1524	1472	rundll32.exe	cmd.exe
PID 1472 wrote to memory of 1524	1472	rundll32.exe	cmd.exe
PID 1472 wrote to memory of 1524	1472	rundll32.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:1272

C:\Users\Admin\AppData\Local\Temp\Bank Slip.exe
"C:\Users\Admin\AppData\Local\Temp\Bank Slip.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JtkCutZjRQvsVL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp45D6.tmp"
3⤵
- Creates scheduled task(s)
PID:1056

C:\Users\Admin\AppData\Local\Temp\Bank Slip.exe
"C:\Users\Admin\AppData\Local\Temp\Bank Slip.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2016

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1784

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1472

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Bank Slip.exe"
3⤵
- Deletes itself
PID:1524

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/1056-61-0x0000000000000000-mapping.dmp

Download
memory/1272-72-0x0000000006650000-0x000000000673E000-memory.dmp

Filesize
952KB

Download
memory/1272-80-0x0000000007C60000-0x0000000007DC1000-memory.dmp

Filesize
1.4MB

Download
memory/1272-69-0x0000000006350000-0x000000000641D000-memory.dmp

Filesize
820KB

Download
memory/1472-79-0x0000000001ED0000-0x0000000001F63000-memory.dmp

Filesize
588KB

Download
memory/1472-76-0x00000000008A0000-0x00000000008AE000-memory.dmp

Filesize
56KB

Download
memory/1472-78-0x0000000002170000-0x0000000002473000-memory.dmp

Filesize
3.0MB

Download
memory/1472-77-0x0000000000090000-0x00000000000BF000-memory.dmp

Filesize
188KB

Download
memory/1472-73-0x0000000000000000-mapping.dmp

Download
memory/1524-75-0x0000000000000000-mapping.dmp

Download
memory/1668-59-0x0000000000410000-0x0000000000417000-memory.dmp

Filesize
28KB

Download
memory/1668-58-0x0000000005190000-0x0000000005191000-memory.dmp

Filesize
4KB

Download
memory/1668-55-0x0000000000A10000-0x0000000000A11000-memory.dmp

Filesize
4KB

Download
memory/1668-57-0x0000000075C21000-0x0000000075C23000-memory.dmp

Filesize
8KB

Download
memory/1668-60-0x00000000044D0000-0x0000000004522000-memory.dmp

Filesize
328KB

Download
memory/2016-67-0x0000000000AD0000-0x0000000000DD3000-memory.dmp

Filesize
3.0MB

Download
memory/2016-65-0x000000000041F110-mapping.dmp

Download
memory/2016-71-0x0000000000520000-0x0000000000534000-memory.dmp

Filesize
80KB

Download
memory/2016-70-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2016-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2016-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2016-62-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2016-68-0x00000000003B0000-0x00000000003C4000-memory.dmp

Filesize
80KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads