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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2000-64-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/2000-65-0x000000000041ED10-mapping.dmp	formbook
behavioral1/memory/2000-67-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1196-73-0x00000000000D0000-0x00000000000FE000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exeRegSvcs.exewuapp.exe

description	pid	process	target process
PID 1416 set thread context of 2000	1416	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	RegSvcs.exe
PID 2000 set thread context of 1260	2000	RegSvcs.exe	Explorer.EXE
PID 1196 set thread context of 1260	1196	wuapp.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

1252 schtasks.exe

pid	process
1252	schtasks.exe

Suspicious behavior: EnumeratesProcesses 17 IoCs

Processes:

5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exeRegSvcs.exewuapp.exe

pid	process
1416	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe
2000	RegSvcs.exe
2000	RegSvcs.exe
1196	wuapp.exe
1196	wuapp.exe
1196	wuapp.exe
1196	wuapp.exe
1196	wuapp.exe
1196	wuapp.exe
1196	wuapp.exe
1196	wuapp.exe
1196	wuapp.exe
1196	wuapp.exe
1196	wuapp.exe
1196	wuapp.exe
1196	wuapp.exe
1196	wuapp.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.exewuapp.exe

pid process

2000 RegSvcs.exe
2000 RegSvcs.exe
2000 RegSvcs.exe
1196 wuapp.exe
1196 wuapp.exe

pid	process
2000	RegSvcs.exe
2000	RegSvcs.exe
2000	RegSvcs.exe
1196	wuapp.exe
1196	wuapp.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exeRegSvcs.exewuapp.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1416	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe
Token: SeDebugPrivilege	2000	RegSvcs.exe
Token: SeDebugPrivilege	1196	wuapp.exe
Token: SeShutdownPrivilege	1260	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE
1260 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1260 Explorer.EXE
1260 Explorer.EXE

pid	process
1260	Explorer.EXE
1260	Explorer.EXE

pid	process
1260	Explorer.EXE
1260	Explorer.EXE

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exeExplorer.EXEwuapp.exe

description	pid	process	target process
PID 1416 wrote to memory of 1252	1416	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	schtasks.exe
PID 1416 wrote to memory of 1252	1416	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	schtasks.exe
PID 1416 wrote to memory of 1252	1416	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	schtasks.exe
PID 1416 wrote to memory of 1252	1416	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	schtasks.exe
PID 1416 wrote to memory of 2000	1416	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	RegSvcs.exe
PID 1416 wrote to memory of 2000	1416	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	RegSvcs.exe
PID 1416 wrote to memory of 2000	1416	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	RegSvcs.exe
PID 1416 wrote to memory of 2000	1416	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	RegSvcs.exe
PID 1416 wrote to memory of 2000	1416	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	RegSvcs.exe
PID 1416 wrote to memory of 2000	1416	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	RegSvcs.exe
PID 1416 wrote to memory of 2000	1416	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	RegSvcs.exe
PID 1416 wrote to memory of 2000	1416	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	RegSvcs.exe
PID 1416 wrote to memory of 2000	1416	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	RegSvcs.exe
PID 1416 wrote to memory of 2000	1416	5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe	RegSvcs.exe
PID 1260 wrote to memory of 1196	1260	Explorer.EXE	wuapp.exe
PID 1260 wrote to memory of 1196	1260	Explorer.EXE	wuapp.exe
PID 1260 wrote to memory of 1196	1260	Explorer.EXE	wuapp.exe
PID 1260 wrote to memory of 1196	1260	Explorer.EXE	wuapp.exe
PID 1260 wrote to memory of 1196	1260	Explorer.EXE	wuapp.exe
PID 1260 wrote to memory of 1196	1260	Explorer.EXE	wuapp.exe
PID 1260 wrote to memory of 1196	1260	Explorer.EXE	wuapp.exe
PID 1196 wrote to memory of 1056	1196	wuapp.exe	cmd.exe
PID 1196 wrote to memory of 1056	1196	wuapp.exe	cmd.exe
PID 1196 wrote to memory of 1056	1196	wuapp.exe	cmd.exe
PID 1196 wrote to memory of 1056	1196	wuapp.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe
"C:\Users\Admin\AppData\Local\Temp\5084c2d455003df830c907939adc50ef250e7ccde99041e3f671202d1ec53c28.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1416

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HVCbSjcGXVy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp87E6.tmp"
2⤵
- Creates scheduled task(s)
PID:1252

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:2000

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1260

C:\Windows\SysWOW64\wuapp.exe
"C:\Windows\SysWOW64\wuapp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1196

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:1056

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp87E6.tmp
Filesize
1KB

MD5
331804837ffdce7b9226b955b1252776

SHA1
b56df39e2d4ddb4792a0e180ebe64140f32c69ea

SHA256
88f7983f6939f0a4b815d29cf2978086d14d287f643b6f97f75326bad45ab962

SHA512
e7356c131fa8ff1819d3f6bf211580403f69d2be1f1d667d91774d9e6196732807f9490d516d04b0f75922f3862eee0984248b09dc649ff849651b8d17bb6f08

Download Submit
memory/1056-75-0x0000000000000000-mapping.dmp

Download
memory/1196-71-0x0000000000000000-mapping.dmp

Download
memory/1196-76-0x0000000000830000-0x00000000008C3000-memory.dmp

Filesize
588KB

Download
memory/1196-74-0x00000000009B0000-0x0000000000CB3000-memory.dmp

Filesize
3.0MB

Download
memory/1196-72-0x0000000000FE0000-0x0000000000FEB000-memory.dmp

Filesize
44KB

Download
memory/1196-73-0x00000000000D0000-0x00000000000FE000-memory.dmp

Filesize
184KB

Download
memory/1252-59-0x0000000000000000-mapping.dmp

Download
memory/1260-70-0x00000000064A0000-0x00000000065A6000-memory.dmp

Filesize
1.0MB

Download
memory/1260-77-0x0000000006AE0000-0x0000000006C53000-memory.dmp

Filesize
1.4MB

Download
memory/1416-58-0x0000000000B50000-0x0000000000B86000-memory.dmp

Filesize
216KB

Download
memory/1416-54-0x0000000001130000-0x00000000011A4000-memory.dmp

Filesize
464KB

Download
memory/1416-57-0x0000000000E60000-0x0000000000EB6000-memory.dmp

Filesize
344KB

Download
memory/1416-56-0x0000000000470000-0x0000000000478000-memory.dmp

Filesize
32KB

Download
memory/1416-55-0x0000000075BF1000-0x0000000075BF3000-memory.dmp

Filesize
8KB

Download
memory/2000-67-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2000-68-0x0000000000800000-0x0000000000B03000-memory.dmp

Filesize
3.0MB

Download
memory/2000-69-0x0000000000310000-0x0000000000324000-memory.dmp

Filesize
80KB

Download
memory/2000-65-0x000000000041ED10-mapping.dmp

Download
memory/2000-61-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2000-62-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2000-64-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads