formbook | 7ba579db4b2485e75dbeff653199f592e4067706225975038ad011b73562c3fb

General

Target

Payment TT S lip no 8393.exe
Size

495KB
MD5

209022637f55d36fa877e8c4931d2f03
SHA1

b77ae6847ac5c4ca53af477f321183c36675543c
SHA256

7ba579db4b2485e75dbeff653199f592e4067706225975038ad011b73562c3fb
SHA512

19788a7bd0083429492025739b4b087a1afb058ca1331f4ce0be2029120b709c50acd85d6da3d2909407c2e785b3e726a139c465e2bda422894e6da71be2b003

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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1476-64-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1476-65-0x000000000041F110-mapping.dmp	formbook
behavioral1/memory/1644-73-0x0000000000070000-0x000000000009F000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1236 cmd.exe

pid	process
1236	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Payment TT S lip no 8393.exePayment TT S lip no 8393.execscript.exe

description	pid	process	target process
PID 1584 set thread context of 1476	1584	Payment TT S lip no 8393.exe	Payment TT S lip no 8393.exe
PID 1476 set thread context of 1200	1476	Payment TT S lip no 8393.exe	Explorer.EXE
PID 1644 set thread context of 1200	1644	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

1040 schtasks.exe

pid	process
1040	schtasks.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

Processes:

Payment TT S lip no 8393.exePayment TT S lip no 8393.execscript.exe

pid	process
1584	Payment TT S lip no 8393.exe
1584	Payment TT S lip no 8393.exe
1584	Payment TT S lip no 8393.exe
1584	Payment TT S lip no 8393.exe
1476	Payment TT S lip no 8393.exe
1476	Payment TT S lip no 8393.exe
1644	cscript.exe
1644	cscript.exe
1644	cscript.exe
1644	cscript.exe
1644	cscript.exe
1644	cscript.exe
1644	cscript.exe
1644	cscript.exe
1644	cscript.exe
1644	cscript.exe
1644	cscript.exe
1644	cscript.exe
1644	cscript.exe
1644	cscript.exe
1644	cscript.exe
1644	cscript.exe
1644	cscript.exe
1644	cscript.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Payment TT S lip no 8393.execscript.exe

pid process

1476 Payment TT S lip no 8393.exe
1476 Payment TT S lip no 8393.exe
1476 Payment TT S lip no 8393.exe
1644 cscript.exe
1644 cscript.exe

pid	process
1476	Payment TT S lip no 8393.exe
1476	Payment TT S lip no 8393.exe
1476	Payment TT S lip no 8393.exe
1644	cscript.exe
1644	cscript.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Payment TT S lip no 8393.exePayment TT S lip no 8393.execscript.exe

description	pid	process
Token: SeDebugPrivilege	1584	Payment TT S lip no 8393.exe
Token: SeDebugPrivilege	1476	Payment TT S lip no 8393.exe
Token: SeDebugPrivilege	1644	cscript.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
1200 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
1200 Explorer.EXE

pid	process
1200	Explorer.EXE
1200	Explorer.EXE

pid	process
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

Payment TT S lip no 8393.exeExplorer.EXEcscript.exe

description	pid	process	target process
PID 1584 wrote to memory of 1040	1584	Payment TT S lip no 8393.exe	schtasks.exe
PID 1584 wrote to memory of 1040	1584	Payment TT S lip no 8393.exe	schtasks.exe
PID 1584 wrote to memory of 1040	1584	Payment TT S lip no 8393.exe	schtasks.exe
PID 1584 wrote to memory of 1040	1584	Payment TT S lip no 8393.exe	schtasks.exe
PID 1584 wrote to memory of 1476	1584	Payment TT S lip no 8393.exe	Payment TT S lip no 8393.exe
PID 1584 wrote to memory of 1476	1584	Payment TT S lip no 8393.exe	Payment TT S lip no 8393.exe
PID 1584 wrote to memory of 1476	1584	Payment TT S lip no 8393.exe	Payment TT S lip no 8393.exe
PID 1584 wrote to memory of 1476	1584	Payment TT S lip no 8393.exe	Payment TT S lip no 8393.exe
PID 1584 wrote to memory of 1476	1584	Payment TT S lip no 8393.exe	Payment TT S lip no 8393.exe
PID 1584 wrote to memory of 1476	1584	Payment TT S lip no 8393.exe	Payment TT S lip no 8393.exe
PID 1584 wrote to memory of 1476	1584	Payment TT S lip no 8393.exe	Payment TT S lip no 8393.exe
PID 1200 wrote to memory of 1644	1200	Explorer.EXE	cscript.exe
PID 1200 wrote to memory of 1644	1200	Explorer.EXE	cscript.exe
PID 1200 wrote to memory of 1644	1200	Explorer.EXE	cscript.exe
PID 1200 wrote to memory of 1644	1200	Explorer.EXE	cscript.exe
PID 1644 wrote to memory of 1236	1644	cscript.exe	cmd.exe
PID 1644 wrote to memory of 1236	1644	cscript.exe	cmd.exe
PID 1644 wrote to memory of 1236	1644	cscript.exe	cmd.exe
PID 1644 wrote to memory of 1236	1644	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:1200

C:\Users\Admin\AppData\Local\Temp\Payment TT S lip no 8393.exe
"C:\Users\Admin\AppData\Local\Temp\Payment TT S lip no 8393.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1584

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aVFNduvXLREF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBAC7.tmp"
3⤵
- Creates scheduled task(s)
PID:1040

C:\Users\Admin\AppData\Local\Temp\Payment TT S lip no 8393.exe
"C:\Users\Admin\AppData\Local\Temp\Payment TT S lip no 8393.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1476

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:1644

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Payment TT S lip no 8393.exe"
3⤵
- Deletes itself
PID:1236

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1040-61-0x0000000000000000-mapping.dmp

Download
memory/1200-76-0x0000000007570000-0x0000000007702000-memory.dmp

Filesize
1.6MB

Download
memory/1200-69-0x0000000006400000-0x00000000064E5000-memory.dmp

Filesize
916KB

Download
memory/1236-71-0x0000000000000000-mapping.dmp

Download
memory/1476-68-0x0000000000180000-0x0000000000194000-memory.dmp

Filesize
80KB

Download
memory/1476-67-0x00000000009B0000-0x0000000000CB3000-memory.dmp

Filesize
3.0MB

Download
memory/1476-62-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1476-63-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1476-64-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1476-65-0x000000000041F110-mapping.dmp

Download
memory/1584-55-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1584-60-0x0000000004260000-0x00000000042B0000-memory.dmp

Filesize
320KB

Download
memory/1584-59-0x0000000000620000-0x0000000000626000-memory.dmp

Filesize
24KB

Download
memory/1584-58-0x0000000004D00000-0x0000000004D01000-memory.dmp

Filesize
4KB

Download
memory/1584-57-0x0000000074F21000-0x0000000074F23000-memory.dmp

Filesize
8KB

Download
memory/1644-70-0x0000000000000000-mapping.dmp

Download
memory/1644-72-0x0000000000C60000-0x0000000000C82000-memory.dmp

Filesize
136KB

Download
memory/1644-73-0x0000000000070000-0x000000000009F000-memory.dmp

Filesize
188KB

Download
memory/1644-74-0x0000000002090000-0x0000000002393000-memory.dmp

Filesize
3.0MB

Download
memory/1644-75-0x0000000000980000-0x0000000000A13000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads