formbook | 5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28

General

Target

5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe
Size

438KB
MD5

7431c0da6bae8041862806106270065d
SHA1

ae8611a9ec419855134f5c98999c64552029bfef
SHA256

5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28
SHA512

6838862dd49fcd22eb86e1475af170c94e2eea42dc3498c0e884132add9a835406729f1a678d33178a37a8b818d21e00a1cd5a1b4fe87df9e6eb2ca3273d3271

Score

10^/10

formbook kvsz rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kvsz

Decoy

hdlivesonlinetv24.com

illaheehillsseniorliving.com

wihong.com

christopher-cost.com

huayvipee.com

csdroped.xyz

relationsvivantes.com

xmcombohome.com

qingc2.com

sunsetcinemamusic.com

anotherheadache.com

connectlcv.com

unitermi.com

cugetarileunuisarman.com

agakegois.com

burnercouture.com

ambassador-holidays.com

schnarr-design.com

2013lang.com

httattoos.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
behavioral2/memory/5072-139-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/5072-141-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral2/memory/4972-147-0x00000000009D0000-0x00000000009FE000-memory.dmp	formbook

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exeRegSvcs.exeexplorer.exe

description	pid	process	target process
PID 3280 set thread context of 5072	3280	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	RegSvcs.exe
PID 5072 set thread context of 3148	5072	RegSvcs.exe	Explorer.EXE
PID 4972 set thread context of 3148	4972	explorer.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

2016 schtasks.exe

pid	process
2016	schtasks.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exeRegSvcs.exeexplorer.exe

pid	process
3280	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe
5072	RegSvcs.exe
5072	RegSvcs.exe
5072	RegSvcs.exe
5072	RegSvcs.exe
3280	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe
4972	explorer.exe
4972	explorer.exe
4972	explorer.exe
4972	explorer.exe
4972	explorer.exe
4972	explorer.exe
4972	explorer.exe
4972	explorer.exe
4972	explorer.exe
4972	explorer.exe
4972	explorer.exe
4972	explorer.exe
4972	explorer.exe
4972	explorer.exe
4972	explorer.exe
4972	explorer.exe
4972	explorer.exe
4972	explorer.exe
4972	explorer.exe
4972	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3148 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.exeexplorer.exe

pid process

5072 RegSvcs.exe
5072 RegSvcs.exe
5072 RegSvcs.exe
4972 explorer.exe
4972 explorer.exe

pid	process
3148	Explorer.EXE

pid	process
5072	RegSvcs.exe
5072	RegSvcs.exe
5072	RegSvcs.exe
4972	explorer.exe
4972	explorer.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exeRegSvcs.exeExplorer.EXEexplorer.exe

description	pid	process
Token: SeDebugPrivilege	3280	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe
Token: SeDebugPrivilege	5072	RegSvcs.exe
Token: SeShutdownPrivilege	3148	Explorer.EXE
Token: SeCreatePagefilePrivilege	3148	Explorer.EXE
Token: SeDebugPrivilege	4972	explorer.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exeExplorer.EXEexplorer.exe

description	pid	process	target process
PID 3280 wrote to memory of 2016	3280	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	schtasks.exe
PID 3280 wrote to memory of 2016	3280	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	schtasks.exe
PID 3280 wrote to memory of 2016	3280	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	schtasks.exe
PID 3280 wrote to memory of 5072	3280	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	RegSvcs.exe
PID 3280 wrote to memory of 5072	3280	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	RegSvcs.exe
PID 3280 wrote to memory of 5072	3280	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	RegSvcs.exe
PID 3280 wrote to memory of 5072	3280	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	RegSvcs.exe
PID 3280 wrote to memory of 5072	3280	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	RegSvcs.exe
PID 3280 wrote to memory of 5072	3280	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	RegSvcs.exe
PID 3148 wrote to memory of 4972	3148	Explorer.EXE	explorer.exe
PID 3148 wrote to memory of 4972	3148	Explorer.EXE	explorer.exe
PID 3148 wrote to memory of 4972	3148	Explorer.EXE	explorer.exe
PID 4972 wrote to memory of 2124	4972	explorer.exe	cmd.exe
PID 4972 wrote to memory of 2124	4972	explorer.exe	cmd.exe
PID 4972 wrote to memory of 2124	4972	explorer.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe
"C:\Users\Admin\AppData\Local\Temp\5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3280

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HVCbSjcGXVy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp134.tmp"
2⤵
- Creates scheduled task(s)
PID:2016

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:5072

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3148

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4972

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:2124

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp134.tmp
Filesize
1KB

MD5
160154cd5e9f4ffd256004384dceb273

SHA1
b0a1170317b5f6528b73ad8b7d3fa3028a444125

SHA256
b3349efcfc69303ae05234ae7104e72bfc41ed7480321141d19ebfdfa26a5648

SHA512
255c4f5237bd5d16b7a2ed4116c3053463c4d22b5b8a7de54c0ed78ed7e30bae5d7992a42b0a4973206b466c4c796a269cfcb2c76a4927461fc86ff0258a4e3c

Download Submit
memory/2016-136-0x0000000000000000-mapping.dmp

Download
memory/2124-148-0x0000000000000000-mapping.dmp

Download
memory/3148-142-0x0000000002F80000-0x000000000304A000-memory.dmp

Filesize
808KB

Download
memory/3148-151-0x00000000032C0000-0x000000000336F000-memory.dmp

Filesize
700KB

Download
memory/3280-131-0x0000000005230000-0x00000000052CC000-memory.dmp

Filesize
624KB

Download
memory/3280-132-0x00000000058B0000-0x0000000005E54000-memory.dmp

Filesize
5.6MB

Download
memory/3280-133-0x00000000053A0000-0x0000000005432000-memory.dmp

Filesize
584KB

Download
memory/3280-134-0x0000000005330000-0x000000000533A000-memory.dmp

Filesize
40KB

Download
memory/3280-135-0x0000000005590000-0x00000000055E6000-memory.dmp

Filesize
344KB

Download
memory/3280-130-0x0000000000860000-0x00000000008D4000-memory.dmp

Filesize
464KB

Download
memory/4972-146-0x0000000000490000-0x00000000008C3000-memory.dmp

Filesize
4.2MB

Download
memory/4972-145-0x0000000000000000-mapping.dmp

Download
memory/4972-147-0x00000000009D0000-0x00000000009FE000-memory.dmp

Filesize
184KB

Download
memory/4972-149-0x0000000002BA0000-0x0000000002EEA000-memory.dmp

Filesize
3.3MB

Download
memory/4972-150-0x00000000029D0000-0x0000000002A63000-memory.dmp

Filesize
588KB

Download
memory/5072-144-0x0000000001210000-0x0000000001224000-memory.dmp

Filesize
80KB

Download
memory/5072-143-0x0000000001820000-0x0000000001B6A000-memory.dmp

Filesize
3.3MB

Download
memory/5072-141-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5072-139-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/5072-138-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads