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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3864-115-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/3864-116-0x000000000041F200-mapping.dmp	formbook
behavioral2/memory/2952-123-0x0000000000420000-0x000000000044F000-memory.dmp	formbook

Loads dropped DLL 1 IoCs

Processes:

preuve de paiement.exe

pid process

740 preuve de paiement.exe

pid	process
740	preuve de paiement.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

preuve de paiement.exepreuve de paiement.exesystray.exe

description	pid	process	target process
PID 740 set thread context of 3864	740	preuve de paiement.exe	preuve de paiement.exe
PID 3864 set thread context of 2536	3864	preuve de paiement.exe	Explorer.EXE
PID 2952 set thread context of 2536	2952	systray.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 60 IoCs

Processes:

preuve de paiement.exesystray.exe

pid	process
3864	preuve de paiement.exe
3864	preuve de paiement.exe
3864	preuve de paiement.exe
3864	preuve de paiement.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe
2952	systray.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2536 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

preuve de paiement.exesystray.exe

pid process

3864 preuve de paiement.exe
3864 preuve de paiement.exe
3864 preuve de paiement.exe
2952 systray.exe
2952 systray.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

preuve de paiement.exesystray.exe

description pid process

Token: SeDebugPrivilege 3864 preuve de paiement.exe
Token: SeDebugPrivilege 2952 systray.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

Explorer.EXE

pid process

2536 Explorer.EXE

pid	process
2536	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	3864	preuve de paiement.exe
Token: SeDebugPrivilege	2952	systray.exe

pid	process
2536	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

preuve de paiement.exeExplorer.EXEsystray.exe

description	pid	process	target process
PID 740 wrote to memory of 3864	740	preuve de paiement.exe	preuve de paiement.exe
PID 740 wrote to memory of 3864	740	preuve de paiement.exe	preuve de paiement.exe
PID 740 wrote to memory of 3864	740	preuve de paiement.exe	preuve de paiement.exe
PID 740 wrote to memory of 3864	740	preuve de paiement.exe	preuve de paiement.exe
PID 740 wrote to memory of 3864	740	preuve de paiement.exe	preuve de paiement.exe
PID 740 wrote to memory of 3864	740	preuve de paiement.exe	preuve de paiement.exe
PID 2536 wrote to memory of 2952	2536	Explorer.EXE	systray.exe
PID 2536 wrote to memory of 2952	2536	Explorer.EXE	systray.exe
PID 2536 wrote to memory of 2952	2536	Explorer.EXE	systray.exe
PID 2952 wrote to memory of 3856	2952	systray.exe	cmd.exe
PID 2952 wrote to memory of 3856	2952	systray.exe	cmd.exe
PID 2952 wrote to memory of 3856	2952	systray.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2536

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:740

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
PID:3864

C:\Windows\SysWOW64\systray.exe
"C:\Windows\SysWOW64\systray.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2952

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\preuve de paiement.exe"
3⤵
PID:3856

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\nsf9438.tmp\offyp.dll
MD5
367abec7270d4919121d630ad1e9359a

SHA1
f9508697941b1619541babd95744abeb1b0ce6f5

SHA256
8154494ad395ee4638b8990a47a3d163452514f6b45ee71919445ba1cff60099

SHA512
9fa6db19991df3bac0d97176f1cf14db0ed67c3b1d2276ebecaf7f7dab2c1cfe2e9db5820fd708a61312b57d4727805c7481b030e94837d6a9e9365d4a1f0638

Download Submit
memory/2536-127-0x0000000002720000-0x00000000027B9000-memory.dmp

Filesize
612KB

Download
memory/2536-120-0x0000000005570000-0x0000000005704000-memory.dmp

Filesize
1.6MB

Download
memory/2952-123-0x0000000000420000-0x000000000044F000-memory.dmp

Filesize
188KB

Download
memory/2952-126-0x00000000041B0000-0x0000000004244000-memory.dmp

Filesize
592KB

Download
memory/2952-125-0x00000000043E0000-0x0000000004700000-memory.dmp

Filesize
3.1MB

Download
memory/2952-121-0x0000000000000000-mapping.dmp

Download
memory/2952-122-0x0000000000A40000-0x0000000000A46000-memory.dmp

Filesize
24KB

Download
memory/3856-124-0x0000000000000000-mapping.dmp

Download
memory/3864-118-0x0000000000A80000-0x0000000000DA0000-memory.dmp

Filesize
3.1MB

Download
memory/3864-119-0x00000000004E0000-0x000000000062A000-memory.dmp

Filesize
1.3MB

Download
memory/3864-116-0x000000000041F200-mapping.dmp

Download
memory/3864-115-0x0000000000400000-0x000000000042F000-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