formbook | 97c8b86636fb4b9c0c95d9c445d89cb712e2776b3e514295a72d11601450709a

General

Target

SOA 22072020.exe
Size

371KB
MD5

8f0593680392f53ee586bb66c2885d8f
SHA1

320d855a8797fbd3bbd9871c9ac747c9fba1c73d
SHA256

c53c864741e005d5b04ca3349e81597e61b8ee3ecd7a03cddd2d15d955cbb04a
SHA512

cf5ba58c64c9c25263bfb18528358659e08384fddf41ff7619308abf4962860a281a2ef91ca4321c0da5ae7af4764c6e9f3e5ba3991fbc5c5293a32df744e535

Score

10^/10

formbook hnh evasion rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hnh

Decoy

stackingplans.info

landscapingcanberra.com

apxlegal.com

gzajs.com

senladvocaten.com

stephanieabella.com

indivmgtsvc.com

wildlife-botanicals.com

fingrfull.com

ustar-electric.com

timesharebefree.com

safefirstresponder.com

giliticketoperator.com

silverstarscents.com

4752condordrive.info

joomak.net

new-auto-news.com

ottodesign.store

kxg01.com

chrisoncreation.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/4108-136-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral2/memory/4108-138-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral2/memory/4416-147-0x0000000000340000-0x000000000036D000-memory.dmp	formbook

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

SOA 22072020.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	SOA 22072020.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	SOA 22072020.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:

SOA 22072020.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	SOA 22072020.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	SOA 22072020.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

SOA 22072020.exeSOA 22072020.exeipconfig.exe

description	pid	process	target process
PID 2980 set thread context of 4108	2980	SOA 22072020.exe	SOA 22072020.exe
PID 4108 set thread context of 3144	4108	SOA 22072020.exe	Explorer.EXE
PID 4108 set thread context of 3144	4108	SOA 22072020.exe	Explorer.EXE
PID 4416 set thread context of 3144	4416	ipconfig.exe	Explorer.EXE

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exe

pid process

4416 ipconfig.exe

pid	process
4416	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 43 IoCs

Processes:

SOA 22072020.exeSOA 22072020.exeipconfig.exe

pid	process
2980	SOA 22072020.exe
4108	SOA 22072020.exe
4108	SOA 22072020.exe
4108	SOA 22072020.exe
4108	SOA 22072020.exe
4108	SOA 22072020.exe
4108	SOA 22072020.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe
4416	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3144 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

SOA 22072020.exeipconfig.exe

pid process

4108 SOA 22072020.exe
4108 SOA 22072020.exe
4108 SOA 22072020.exe
4108 SOA 22072020.exe
4416 ipconfig.exe
4416 ipconfig.exe

pid	process
3144	Explorer.EXE

pid	process
4108	SOA 22072020.exe
4108	SOA 22072020.exe
4108	SOA 22072020.exe
4108	SOA 22072020.exe
4416	ipconfig.exe
4416	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

SOA 22072020.exeSOA 22072020.exeExplorer.EXEipconfig.exe

description	pid	process
Token: SeDebugPrivilege	2980	SOA 22072020.exe
Token: SeDebugPrivilege	4108	SOA 22072020.exe
Token: SeShutdownPrivilege	3144	Explorer.EXE
Token: SeCreatePagefilePrivilege	3144	Explorer.EXE
Token: SeDebugPrivilege	4416	ipconfig.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

SOA 22072020.exeExplorer.EXEipconfig.exe

description	pid	process	target process
PID 2980 wrote to memory of 4108	2980	SOA 22072020.exe	SOA 22072020.exe
PID 2980 wrote to memory of 4108	2980	SOA 22072020.exe	SOA 22072020.exe
PID 2980 wrote to memory of 4108	2980	SOA 22072020.exe	SOA 22072020.exe
PID 2980 wrote to memory of 4108	2980	SOA 22072020.exe	SOA 22072020.exe
PID 2980 wrote to memory of 4108	2980	SOA 22072020.exe	SOA 22072020.exe
PID 2980 wrote to memory of 4108	2980	SOA 22072020.exe	SOA 22072020.exe
PID 3144 wrote to memory of 4416	3144	Explorer.EXE	ipconfig.exe
PID 3144 wrote to memory of 4416	3144	Explorer.EXE	ipconfig.exe
PID 3144 wrote to memory of 4416	3144	Explorer.EXE	ipconfig.exe
PID 4416 wrote to memory of 4452	4416	ipconfig.exe	cmd.exe
PID 4416 wrote to memory of 4452	4416	ipconfig.exe	cmd.exe
PID 4416 wrote to memory of 4452	4416	ipconfig.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3144

C:\Users\Admin\AppData\Local\Temp\SOA 22072020.exe
"C:\Users\Admin\AppData\Local\Temp\SOA 22072020.exe"
2⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2980

C:\Users\Admin\AppData\Local\Temp\SOA 22072020.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4108

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\SysWOW64\ipconfig.exe"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4416

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\SOA 22072020.exe"
3⤵
PID:4452

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/2980-131-0x0000000005710000-0x0000000005CB4000-memory.dmp

Filesize
5.6MB

Download
memory/2980-132-0x0000000005200000-0x0000000005292000-memory.dmp

Filesize
584KB

Download
memory/2980-133-0x0000000005340000-0x00000000053DC000-memory.dmp

Filesize
624KB

Download
memory/2980-134-0x0000000005FC0000-0x0000000006026000-memory.dmp

Filesize
408KB

Download
memory/2980-130-0x0000000000800000-0x0000000000862000-memory.dmp

Filesize
392KB

Download
memory/3144-141-0x0000000002600000-0x0000000002796000-memory.dmp

Filesize
1.6MB

Download
memory/3144-151-0x00000000027A0000-0x000000000286C000-memory.dmp

Filesize
816KB

Download
memory/3144-144-0x0000000007F80000-0x0000000008089000-memory.dmp

Filesize
1.0MB

Download
memory/4108-135-0x0000000000000000-mapping.dmp

Download
memory/4108-140-0x0000000000B70000-0x0000000000B84000-memory.dmp

Filesize
80KB

Download
memory/4108-139-0x0000000001060000-0x00000000013AA000-memory.dmp

Filesize
3.3MB

Download
memory/4108-143-0x0000000001000000-0x0000000001014000-memory.dmp

Filesize
80KB

Download
memory/4108-138-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4108-136-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4416-145-0x0000000000000000-mapping.dmp

Download
memory/4416-147-0x0000000000340000-0x000000000036D000-memory.dmp

Filesize
180KB

Download
memory/4416-148-0x0000000000EF0000-0x000000000123A000-memory.dmp

Filesize
3.3MB

Download
memory/4416-146-0x0000000000EE0000-0x0000000000EEB000-memory.dmp

Filesize
44KB

Download
memory/4416-150-0x0000000000B60000-0x0000000000BF3000-memory.dmp

Filesize
588KB

Download
memory/4452-149-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads