formbook | 02b4d21a4dcfe793027cc1be224d94f5334fff82ac52248a3e44aba68666978d

General

Target

new.exe
Size

268KB
MD5

a88e4bd1e3507132fcdd28f38a6751f7
SHA1

26e3eed8ee5b0e18cc401ed88b73b287c8ad8de7
SHA256

7527530d28c88ea0850926a24ba050a4a77983fb8271309c749ba43e7b10c695
SHA512

657b6c77d0d72945293978df4dc4bae3fb722978be866ddfe0ceb3fa6c604ed9c27ef516a77f159cc98dd577fb4a042fcf8c9406912f7985a8d5e8b3587682ae

Score

10^/10

formbook uw7 rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

uw7

Decoy

casa-miquela.com

phongcach8.com

tvdefrance.net

vipeorfresh.com

litsp.net

9dj2-ycg.biz

3157allen.com

newidea.site

merchandiserod.com

blueictbd.com

151manbetx.com

roehallwedding.com

huaruiju.com

sparkjoywithshannon.com

massif.biz

ochrebridge.com

r6t9.com

fuuvomoogmusic.net

perfectpawsdoggyboutique.com

nst-nri.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/1056-56-0x0000000000590000-0x00000000005BA000-memory.dmp	formbook
behavioral1/memory/1056-57-0x0000000000590000-0x00000000005BA000-memory.dmp	formbook
behavioral1/memory/1236-66-0x0000000000070000-0x000000000009A000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2040 cmd.exe

pid	process
2040	cmd.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

new.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	new.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	new.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

new.exewscript.exe

description	pid	process	target process
PID 1056 set thread context of 1220	1056	new.exe	Explorer.EXE
PID 1056 set thread context of 1220	1056	new.exe	Explorer.EXE
PID 1236 set thread context of 1220	1236	wscript.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

new.exewscript.exe

pid	process
1056	new.exe
1056	new.exe
1056	new.exe
1236	wscript.exe
1236	wscript.exe
1236	wscript.exe
1236	wscript.exe
1236	wscript.exe
1236	wscript.exe
1236	wscript.exe
1236	wscript.exe
1236	wscript.exe
1236	wscript.exe
1236	wscript.exe
1236	wscript.exe
1236	wscript.exe
1236	wscript.exe
1236	wscript.exe
1236	wscript.exe
1236	wscript.exe
1236	wscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

new.exewscript.exe

pid process

1056 new.exe
1056 new.exe
1056 new.exe
1056 new.exe
1236 wscript.exe
1236 wscript.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

new.exewscript.exe

description pid process

Token: SeDebugPrivilege 1056 new.exe
Token: SeDebugPrivilege 1236 wscript.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1056	new.exe
Token: SeDebugPrivilege	1236	wscript.exe

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

new.exewscript.exe

description	pid	process	target process
PID 1056 wrote to memory of 1236	1056	new.exe	wscript.exe
PID 1056 wrote to memory of 1236	1056	new.exe	wscript.exe
PID 1056 wrote to memory of 1236	1056	new.exe	wscript.exe
PID 1056 wrote to memory of 1236	1056	new.exe	wscript.exe
PID 1236 wrote to memory of 2040	1236	wscript.exe	cmd.exe
PID 1236 wrote to memory of 2040	1236	wscript.exe	cmd.exe
PID 1236 wrote to memory of 2040	1236	wscript.exe	cmd.exe
PID 1236 wrote to memory of 2040	1236	wscript.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1220

C:\Users\Admin\AppData\Local\Temp\new.exe
"C:\Users\Admin\AppData\Local\Temp\new.exe"
2⤵
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1056

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1236

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\new.exe"
4⤵
- Deletes itself
PID:2040

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1056-62-0x0000000000BB0000-0x0000000000BC4000-memory.dmp

Filesize
80KB

Download
memory/1056-55-0x00000000003B0000-0x00000000003E4000-memory.dmp

Filesize
208KB

Download
memory/1056-56-0x0000000000590000-0x00000000005BA000-memory.dmp

Filesize
168KB

Download
memory/1056-57-0x0000000000590000-0x00000000005BA000-memory.dmp

Filesize
168KB

Download
memory/1056-58-0x00000000054B0000-0x00000000057B3000-memory.dmp

Filesize
3.0MB

Download
memory/1056-59-0x0000000000AC0000-0x0000000000AD4000-memory.dmp

Filesize
80KB

Download
memory/1056-54-0x0000000000CD0000-0x0000000000D18000-memory.dmp

Filesize
288KB

Download
memory/1220-63-0x0000000004B20000-0x0000000004C5A000-memory.dmp

Filesize
1.2MB

Download
memory/1220-60-0x00000000040A0000-0x0000000004156000-memory.dmp

Filesize
728KB

Download
memory/1220-70-0x0000000004C60000-0x0000000004D47000-memory.dmp

Filesize
924KB

Download
memory/1236-64-0x0000000000000000-mapping.dmp

Download
memory/1236-65-0x0000000000430000-0x0000000000456000-memory.dmp

Filesize
152KB

Download
memory/1236-66-0x0000000000070000-0x000000000009A000-memory.dmp

Filesize
168KB

Download
memory/1236-68-0x0000000002070000-0x0000000002373000-memory.dmp

Filesize
3.0MB

Download
memory/1236-69-0x0000000001E20000-0x0000000001EB3000-memory.dmp

Filesize
588KB

Download
memory/2040-67-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads