formbook | a9b2915ab0f0da7e2fa4b9f0e9b110643a87af565bb90d9065863e1fc88896e2

General

Target

SOA.exe
Size

450KB
MD5

f2a45dd3bf1205ff6053bbdd90665946
SHA1

0b8a2c567a1a896821f8a62b04b9a4ba0a7d1009
SHA256

3305e88d2594770eced662a94933358d2d1d57534aebb9c6b7876e50de58a8a1
SHA512

de27e1bd31e96c1f720c4371eb63e3cebc18447247099d0f789f1d4479a167b2d932e0144e15bbf14a2de3ae766a7476f29649bb3371e270b4cca446fe0710c9

Score

10^/10

formbook hnh evasion persistence 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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/468-62-0x000000000041E2F0-mapping.dmp	formbook
behavioral1/memory/468-61-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral1/memory/468-64-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral1/memory/336-71-0x0000000000080000-0x00000000000AD000-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.exe

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

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1560 cmd.exe

pid	process
1560	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

NETSTAT.EXE

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	NETSTAT.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\J6AHBPX8UB = "C:\\Program Files (x86)\\Cl2lpn\\vga7nh8xz.exe"	NETSTAT.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.exe

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

Suspicious use of SetThreadContext 3 IoCs

Processes:

SOA.exeSOA.exeNETSTAT.EXE

description	pid	process	target process
PID 1644 set thread context of 468	1644	SOA.exe	SOA.exe
PID 468 set thread context of 1256	468	SOA.exe	Explorer.EXE
PID 336 set thread context of 1256	336	NETSTAT.EXE	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

NETSTAT.EXE

description ioc process

File opened for modification C:\Program Files (x86)\Cl2lpn\vga7nh8xz.exe NETSTAT.EXE
Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

NETSTAT.EXE

pid process

336 NETSTAT.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Cl2lpn\vga7nh8xz.exe	NETSTAT.EXE

pid	process
336	NETSTAT.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

NETSTAT.EXE

description	ioc	process
Key created	\Registry\User\S-1-5-21-1083475884-596052423-1669053738-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

SOA.exeNETSTAT.EXE

pid	process
468	SOA.exe
468	SOA.exe
336	NETSTAT.EXE
336	NETSTAT.EXE
336	NETSTAT.EXE
336	NETSTAT.EXE
336	NETSTAT.EXE
336	NETSTAT.EXE
336	NETSTAT.EXE
336	NETSTAT.EXE
336	NETSTAT.EXE
336	NETSTAT.EXE
336	NETSTAT.EXE
336	NETSTAT.EXE
336	NETSTAT.EXE
336	NETSTAT.EXE
336	NETSTAT.EXE
336	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

SOA.exeNETSTAT.EXE

pid process

468 SOA.exe
468 SOA.exe
468 SOA.exe
336 NETSTAT.EXE
336 NETSTAT.EXE
336 NETSTAT.EXE
336 NETSTAT.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SOA.exeNETSTAT.EXE

description pid process

Token: SeDebugPrivilege 468 SOA.exe
Token: SeDebugPrivilege 336 NETSTAT.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1256 Explorer.EXE
1256 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1256 Explorer.EXE
1256 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	468	SOA.exe
Token: SeDebugPrivilege	336	NETSTAT.EXE

pid	process
1256	Explorer.EXE
1256	Explorer.EXE

pid	process
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

SOA.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 1644 wrote to memory of 468	1644	SOA.exe	SOA.exe
PID 1644 wrote to memory of 468	1644	SOA.exe	SOA.exe
PID 1644 wrote to memory of 468	1644	SOA.exe	SOA.exe
PID 1644 wrote to memory of 468	1644	SOA.exe	SOA.exe
PID 1644 wrote to memory of 468	1644	SOA.exe	SOA.exe
PID 1644 wrote to memory of 468	1644	SOA.exe	SOA.exe
PID 1644 wrote to memory of 468	1644	SOA.exe	SOA.exe
PID 1256 wrote to memory of 336	1256	Explorer.EXE	NETSTAT.EXE
PID 1256 wrote to memory of 336	1256	Explorer.EXE	NETSTAT.EXE
PID 1256 wrote to memory of 336	1256	Explorer.EXE	NETSTAT.EXE
PID 1256 wrote to memory of 336	1256	Explorer.EXE	NETSTAT.EXE
PID 336 wrote to memory of 1560	336	NETSTAT.EXE	cmd.exe
PID 336 wrote to memory of 1560	336	NETSTAT.EXE	cmd.exe
PID 336 wrote to memory of 1560	336	NETSTAT.EXE	cmd.exe
PID 336 wrote to memory of 1560	336	NETSTAT.EXE	cmd.exe
PID 336 wrote to memory of 980	336	NETSTAT.EXE	Firefox.exe
PID 336 wrote to memory of 980	336	NETSTAT.EXE	Firefox.exe
PID 336 wrote to memory of 980	336	NETSTAT.EXE	Firefox.exe
PID 336 wrote to memory of 980	336	NETSTAT.EXE	Firefox.exe
PID 336 wrote to memory of 980	336	NETSTAT.EXE	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1256

C:\Users\Admin\AppData\Local\Temp\SOA.exe
"C:\Users\Admin\AppData\Local\Temp\SOA.exe"
2⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1644

C:\Users\Admin\AppData\Local\Temp\SOA.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:468

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Gathers network information
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:336

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
3⤵
- Deletes itself
PID:1560

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:980

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Modify Registry

2

T1112

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

C:\Users\Admin\AppData\Roaming\924288DA\924logim.jpeg
Filesize
71KB

MD5
32c8f1fe8d65d662f8b08e94ade5b147

SHA1
c772ec5f7f5b8d0a8b8c0f327d29b41de2edd0cc

SHA256
29fe479bef6205fe16579c91483b2240e656df2a9edcefd9413a59217771e614

SHA512
7d637ca434ce13f945e89f4b5eba9fd8d8e9abe99db18139f1bf779ca8a6baa901a85d622de777b5f1f5ff98e65dec4516be1f7a47bd61c1d7a1898950c465ee

Download Submit
C:\Users\Admin\AppData\Roaming\924288DA\924logrf.ini
Filesize
40B

MD5
2f245469795b865bdd1b956c23d7893d

SHA1
6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

SHA256
1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

SHA512
909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

Download Submit
C:\Users\Admin\AppData\Roaming\924288DA\924logri.ini
Filesize
40B

MD5
d63a82e5d81e02e399090af26db0b9cb

SHA1
91d0014c8f54743bba141fd60c9d963f869d76c9

SHA256
eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

SHA512
38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

Download Submit
C:\Users\Admin\AppData\Roaming\924288DA\924logrv.ini
Filesize
40B

MD5
ba3b6bc807d4f76794c4b81b09bb9ba5

SHA1
24cb89501f0212ff3095ecc0aba97dd563718fb1

SHA256
6eebf968962745b2e9de2ca969af7c424916d4e3fe3cc0bb9b3d414abfce9507

SHA512
ecd07e601fc9e3cfc39addd7bd6f3d7f7ff3253afb40bf536e9eaac5a4c243e5ec40fbfd7b216cb0ea29f2517419601e335e33ba19dea4a46f65e38694d465bf

Download Submit
memory/336-68-0x0000000000000000-mapping.dmp

Download
memory/336-73-0x0000000001ED0000-0x0000000001F63000-memory.dmp

Filesize
588KB

Download
memory/336-72-0x0000000002160000-0x0000000002463000-memory.dmp

Filesize
3.0MB

Download
memory/336-71-0x0000000000080000-0x00000000000AD000-memory.dmp

Filesize
180KB

Download
memory/336-70-0x00000000002E0000-0x00000000002E9000-memory.dmp

Filesize
36KB

Download
memory/468-59-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/468-58-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/468-66-0x0000000000200000-0x0000000000214000-memory.dmp

Filesize
80KB

Download
memory/468-65-0x0000000000C00000-0x0000000000F03000-memory.dmp

Filesize
3.0MB

Download
memory/468-62-0x000000000041E2F0-mapping.dmp

Download
memory/468-64-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/468-61-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1256-74-0x0000000006080000-0x00000000061B8000-memory.dmp

Filesize
1.2MB

Download
memory/1256-67-0x0000000005F80000-0x000000000607D000-memory.dmp

Filesize
1012KB

Download
memory/1560-69-0x0000000000000000-mapping.dmp

Download
memory/1644-54-0x0000000000B80000-0x0000000000BF6000-memory.dmp

Filesize
472KB

Download
memory/1644-57-0x00000000005A0000-0x00000000005DA000-memory.dmp

Filesize
232KB

Download
memory/1644-56-0x0000000000430000-0x0000000000438000-memory.dmp

Filesize
32KB

Download
memory/1644-55-0x0000000075841000-0x0000000075843000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads