formbook | b3c5b3cf581d15fcbacf67b4bdba199bfe7089704875746109b3206eb07b99e2

General

Target

new order.exe
Size

225KB
MD5

5c24de06380c0c24db91bb3ab6eeace3
SHA1

74de5b1eac0982786136b4ecb4bc664bd9d26636
SHA256

b3c5b3cf581d15fcbacf67b4bdba199bfe7089704875746109b3206eb07b99e2
SHA512

1ae9df468dbcaa9c1838fc4327d488843941e18e84affbdfd1d86d0b20f16c360853eff4373049e5628ee55c4e20da445dacc65c1fc4d3df56812b04733bc75b

Score

10^/10

formbook rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.knighttechinca.com/dxe/

Decoy

sardarfarm.com

959tremont.com

privat-livecam.net

ansel-homebakery.com

joysupermarket.com

peninsulamatchmakers.net

northsytyle.com

radioconexaoubermusic.com

relocatingrealtor.com

desyrnan.com

onlinehoortoestel.online

enpointe.online

rvvikings.com

paulpoirier.com

shitarpa.net

kerneis.net

rokitreach.com

essentiallygaia.com

prestiged.net

fuerzaagavera.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook

Formbook Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1272-63-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/664-69-0x0000000000080000-0x00000000000AE000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

804 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

new order.exe

pid process

1944 new order.exe

pid	process
804	cmd.exe

pid	process
1944	new order.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

new order.exenew order.execmmon32.exe

description	pid	process	target process
PID 1944 set thread context of 1272	1944	new order.exe	new order.exe
PID 1272 set thread context of 1276	1272	new order.exe	Explorer.EXE
PID 664 set thread context of 1276	664	cmmon32.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

Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes:

new order.execmmon32.exe

pid	process
1272	new order.exe
1272	new order.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe
664	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1276 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

new order.exenew order.execmmon32.exe

pid process

1944 new order.exe
1272 new order.exe
1272 new order.exe
1272 new order.exe
664 cmmon32.exe
664 cmmon32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

new order.execmmon32.exe

description pid process

Token: SeDebugPrivilege 1272 new order.exe
Token: SeDebugPrivilege 664 cmmon32.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1276 Explorer.EXE
1276 Explorer.EXE
1276 Explorer.EXE
1276 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1276 Explorer.EXE
1276 Explorer.EXE
1276 Explorer.EXE
1276 Explorer.EXE

pid	process
1276	Explorer.EXE

pid	process
1944	new order.exe
1272	new order.exe
1272	new order.exe
1272	new order.exe
664	cmmon32.exe
664	cmmon32.exe

description	pid	process
Token: SeDebugPrivilege	1272	new order.exe
Token: SeDebugPrivilege	664	cmmon32.exe

pid	process
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE

pid	process
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE
1276	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

new order.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 1944 wrote to memory of 1272	1944	new order.exe	new order.exe
PID 1944 wrote to memory of 1272	1944	new order.exe	new order.exe
PID 1944 wrote to memory of 1272	1944	new order.exe	new order.exe
PID 1944 wrote to memory of 1272	1944	new order.exe	new order.exe
PID 1944 wrote to memory of 1272	1944	new order.exe	new order.exe
PID 1276 wrote to memory of 664	1276	Explorer.EXE	cmmon32.exe
PID 1276 wrote to memory of 664	1276	Explorer.EXE	cmmon32.exe
PID 1276 wrote to memory of 664	1276	Explorer.EXE	cmmon32.exe
PID 1276 wrote to memory of 664	1276	Explorer.EXE	cmmon32.exe
PID 664 wrote to memory of 804	664	cmmon32.exe	cmd.exe
PID 664 wrote to memory of 804	664	cmmon32.exe	cmd.exe
PID 664 wrote to memory of 804	664	cmmon32.exe	cmd.exe
PID 664 wrote to memory of 804	664	cmmon32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1276

C:\Users\Admin\AppData\Local\Temp\new order.exe
"C:\Users\Admin\AppData\Local\Temp\new order.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1944

C:\Users\Admin\AppData\Local\Temp\new order.exe
"C:\Users\Admin\AppData\Local\Temp\new order.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1272

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:664

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\new order.exe"
3⤵
- Deletes itself
PID:804

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsi8383.tmp\fiq3i6.dll
MD5
11955007c9dd82171650f0b0f5a5103f

SHA1
fd41b1d885975db292d2c5a0e271f884f8868ddb

SHA256
c98f6514cdd9f453b87f53db4b77282d067e78e30c39a5dc731cc8e70dbac1c1

SHA512
cc521deb22844b2082bc47034948031b76f4fa698f15961bc016604c71834104f5fbdb058cbe2ab7b4d7676a4af12c1873db36a56979c4ad02912385ab4bdbc4

Download Submit
memory/664-67-0x0000000000000000-mapping.dmp

Download
memory/664-72-0x0000000001D90000-0x0000000001E23000-memory.dmp

Filesize
588KB

Download
memory/664-71-0x0000000001F20000-0x0000000002223000-memory.dmp

Filesize
3.0MB

Download
memory/664-68-0x0000000000290000-0x000000000029D000-memory.dmp

Filesize
52KB

Download
memory/664-69-0x0000000000080000-0x00000000000AE000-memory.dmp

Filesize
184KB

Download
memory/804-70-0x0000000000000000-mapping.dmp

Download
memory/1272-65-0x0000000000360000-0x0000000000374000-memory.dmp

Filesize
80KB

Download
memory/1272-64-0x0000000000900000-0x0000000000C03000-memory.dmp

Filesize
3.0MB

Download
memory/1272-63-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/1272-61-0x000000000041EAF0-mapping.dmp

Download
memory/1276-66-0x0000000004050000-0x0000000004139000-memory.dmp

Filesize
932KB

Download
memory/1276-73-0x0000000006F60000-0x00000000070EF000-memory.dmp

Filesize
1.6MB

Download
memory/1944-59-0x00000000760B1000-0x00000000760B3000-memory.dmp

Filesize
8KB

Download
memory/1944-62-0x00000000003E0000-0x00000000003E2000-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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