formbook | 359ecb05de93b2ccc31cc15d249ef69a564d2f2e63d925126a6d784ef224766b

General

Target

preuve de paiement.exe
Size

253KB
MD5

97d698a2454cb6675dad12033500c17f
SHA1

5b3e3f25bf30fb6a34143455623e270438ac48c2
SHA256

359ecb05de93b2ccc31cc15d249ef69a564d2f2e63d925126a6d784ef224766b
SHA512

48bb9fc9d8620127cf89e95b0c6787d3e48acb9cdbbe9e766c4dbc4c340ce9e05e8f2b17a8e43eabc492363e8a097607c92110e12da74f8ae2df0d0819bd7b1c

Score

10^/10

formbook dn7r rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dn7r

C2

http://www.yourherogarden.net/dn7r/

Decoy

eventphotographerdfw.com

thehalalcoinstaking.com

philipfaziofineart.com

intercoh.com

gaiaseyephotography.com

chatbotforrealestate.com

lovelancemg.com

marlieskasberger.com

elcongoenespanol.info

lepirecredit.com

distribution-concept.com

e99game.com

exit11festival.com

twodollartoothbrushclub.com

cocktailsandlawn.com

performimprove.network

24horas-telefono-11840.com

cosmossify.com

kellenleote.com

perovskite.energy

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/2000-62-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/2000-63-0x000000000041F200-mapping.dmp	formbook
behavioral1/memory/2000-68-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/1460-75-0x00000000000E0000-0x000000000010F000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

560 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

preuve de paiement.exe

pid process

1612 preuve de paiement.exe

pid	process
560	cmd.exe

pid	process
1612	preuve de paiement.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

preuve de paiement.exepreuve de paiement.exemstsc.exe

description	pid	process	target process
PID 1612 set thread context of 2000	1612	preuve de paiement.exe	preuve de paiement.exe
PID 2000 set thread context of 1252	2000	preuve de paiement.exe	Explorer.EXE
PID 2000 set thread context of 1252	2000	preuve de paiement.exe	Explorer.EXE
PID 1460 set thread context of 1252	1460	mstsc.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

Suspicious behavior: EnumeratesProcesses 29 IoCs

Processes:

preuve de paiement.exemstsc.exe

pid	process
2000	preuve de paiement.exe
2000	preuve de paiement.exe
2000	preuve de paiement.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe
1460	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1252 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

preuve de paiement.exemstsc.exe

pid process

2000 preuve de paiement.exe
2000 preuve de paiement.exe
2000 preuve de paiement.exe
2000 preuve de paiement.exe
1460 mstsc.exe
1460 mstsc.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

preuve de paiement.exemstsc.exe

description pid process

Token: SeDebugPrivilege 2000 preuve de paiement.exe
Token: SeDebugPrivilege 1460 mstsc.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1252 Explorer.EXE
1252 Explorer.EXE
1252 Explorer.EXE
1252 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1252 Explorer.EXE
1252 Explorer.EXE
1252 Explorer.EXE
1252 Explorer.EXE

pid	process
1252	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2000	preuve de paiement.exe
Token: SeDebugPrivilege	1460	mstsc.exe

pid	process
1252	Explorer.EXE
1252	Explorer.EXE
1252	Explorer.EXE
1252	Explorer.EXE

pid	process
1252	Explorer.EXE
1252	Explorer.EXE
1252	Explorer.EXE
1252	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

preuve de paiement.exepreuve de paiement.exemstsc.exe

description	pid	process	target process
PID 1612 wrote to memory of 2000	1612	preuve de paiement.exe	preuve de paiement.exe
PID 1612 wrote to memory of 2000	1612	preuve de paiement.exe	preuve de paiement.exe
PID 1612 wrote to memory of 2000	1612	preuve de paiement.exe	preuve de paiement.exe
PID 1612 wrote to memory of 2000	1612	preuve de paiement.exe	preuve de paiement.exe
PID 1612 wrote to memory of 2000	1612	preuve de paiement.exe	preuve de paiement.exe
PID 1612 wrote to memory of 2000	1612	preuve de paiement.exe	preuve de paiement.exe
PID 1612 wrote to memory of 2000	1612	preuve de paiement.exe	preuve de paiement.exe
PID 2000 wrote to memory of 1460	2000	preuve de paiement.exe	mstsc.exe
PID 2000 wrote to memory of 1460	2000	preuve de paiement.exe	mstsc.exe
PID 2000 wrote to memory of 1460	2000	preuve de paiement.exe	mstsc.exe
PID 2000 wrote to memory of 1460	2000	preuve de paiement.exe	mstsc.exe
PID 1460 wrote to memory of 560	1460	mstsc.exe	cmd.exe
PID 1460 wrote to memory of 560	1460	mstsc.exe	cmd.exe
PID 1460 wrote to memory of 560	1460	mstsc.exe	cmd.exe
PID 1460 wrote to memory of 560	1460	mstsc.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1252

C:\Users\Admin\AppData\Local\Temp\preuve de paiement.exe
"C:\Users\Admin\AppData\Local\Temp\preuve de paiement.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1612

C:\Users\Admin\AppData\Local\Temp\preuve de paiement.exe
"C:\Users\Admin\AppData\Local\Temp\preuve de paiement.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2000

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1460

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\preuve de paiement.exe"
5⤵
- Deletes itself
PID:560

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsdFA38.tmp\offyp.dll
MD5
367abec7270d4919121d630ad1e9359a

SHA1
f9508697941b1619541babd95744abeb1b0ce6f5

SHA256
8154494ad395ee4638b8990a47a3d163452514f6b45ee71919445ba1cff60099

SHA512
9fa6db19991df3bac0d97176f1cf14db0ed67c3b1d2276ebecaf7f7dab2c1cfe2e9db5820fd708a61312b57d4727805c7481b030e94837d6a9e9365d4a1f0638

Download Submit
memory/560-73-0x0000000000000000-mapping.dmp

Download
memory/1252-78-0x0000000007350000-0x0000000007499000-memory.dmp

Filesize
1.3MB

Download
memory/1252-67-0x0000000004A40000-0x0000000004B1E000-memory.dmp

Filesize
888KB

Download
memory/1252-70-0x0000000007210000-0x000000000734F000-memory.dmp

Filesize
1.2MB

Download
memory/1460-77-0x0000000001F60000-0x0000000001FF4000-memory.dmp

Filesize
592KB

Download
memory/1460-76-0x00000000020F0000-0x00000000023F3000-memory.dmp

Filesize
3.0MB

Download
memory/1460-75-0x00000000000E0000-0x000000000010F000-memory.dmp

Filesize
188KB

Download
memory/1460-74-0x00000000008C0000-0x00000000009C4000-memory.dmp

Filesize
1.0MB

Download
memory/1460-71-0x0000000000000000-mapping.dmp

Download
memory/1612-60-0x0000000075C71000-0x0000000075C73000-memory.dmp

Filesize
8KB

Download
memory/2000-66-0x00000000002D0000-0x00000000002E5000-memory.dmp

Filesize
84KB

Download
memory/2000-69-0x0000000000320000-0x0000000000335000-memory.dmp

Filesize
84KB

Download
memory/2000-68-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2000-65-0x0000000000850000-0x0000000000B53000-memory.dmp

Filesize
3.0MB

Download
memory/2000-63-0x000000000041F200-mapping.dmp

Download
memory/2000-62-0x0000000000400000-0x000000000042F000-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