formbook | db2ae6df50188c663d87f250db4509ebf1ddad5cd7bcddb6e6063e59d8a3f224

General

Target

Order Inquiry.exe
Size

485KB
MD5

36d6b8effc86cfda42cf0d20a6525a13
SHA1

6be8e092b9423f22239b0706bb573e8976e7e8fc
SHA256

db2ae6df50188c663d87f250db4509ebf1ddad5cd7bcddb6e6063e59d8a3f224
SHA512

0eb8c3a71a93b7ccaac8b5b66d7326507f7ed6954f12068cb18cd7dcb4f49b48f7a095b5b7a20eac8301c97d6cb9be3b01c8793f3637d92b9b1d70a764b92ce3

Score

10^/10

formbook dn7r rat spyware stealer trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dn7r

C2

http://www.yourherogarden.net/dn7r/

Decoy

eventphotographerdfw.com

thehalalcoinstaking.com

philipfaziofineart.com

intercoh.com

gaiaseyephotography.com

chatbotforrealestate.com

lovelancemg.com

marlieskasberger.com

elcongoenespanol.info

lepirecredit.com

distribution-concept.com

e99game.com

exit11festival.com

twodollartoothbrushclub.com

cocktailsandlawn.com

performimprove.network

24horas-telefono-11840.com

cosmossify.com

kellenleote.com

perovskite.energy

Signatures

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

Formbook Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/556-57-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral1/memory/556-58-0x000000000041F200-mapping.dmp	formbook
behavioral1/memory/568-66-0x0000000000080000-0x00000000000AF000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1620 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

Order Inquiry.exe

pid process

956 Order Inquiry.exe

pid	process
1620	cmd.exe

pid	process
956	Order Inquiry.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Order Inquiry.exeOrder Inquiry.exechkdsk.exe

description	pid	process	target process
PID 956 set thread context of 556	956	Order Inquiry.exe	Order Inquiry.exe
PID 556 set thread context of 1268	556	Order Inquiry.exe	Explorer.EXE
PID 568 set thread context of 1268	568	chkdsk.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
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 30 IoCs

Processes:

Order Inquiry.exechkdsk.exe

pid	process
556	Order Inquiry.exe
556	Order Inquiry.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe
568	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Order Inquiry.exechkdsk.exe

pid process

556 Order Inquiry.exe
556 Order Inquiry.exe
556 Order Inquiry.exe
568 chkdsk.exe
568 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Order Inquiry.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 556 Order Inquiry.exe
Token: SeDebugPrivilege 568 chkdsk.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
1268 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
1268 Explorer.EXE

pid	process
1268	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	556	Order Inquiry.exe
Token: SeDebugPrivilege	568	chkdsk.exe

pid	process
1268	Explorer.EXE
1268	Explorer.EXE

pid	process
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Order Inquiry.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 956 wrote to memory of 556	956	Order Inquiry.exe	Order Inquiry.exe
PID 956 wrote to memory of 556	956	Order Inquiry.exe	Order Inquiry.exe
PID 956 wrote to memory of 556	956	Order Inquiry.exe	Order Inquiry.exe
PID 956 wrote to memory of 556	956	Order Inquiry.exe	Order Inquiry.exe
PID 956 wrote to memory of 556	956	Order Inquiry.exe	Order Inquiry.exe
PID 956 wrote to memory of 556	956	Order Inquiry.exe	Order Inquiry.exe
PID 956 wrote to memory of 556	956	Order Inquiry.exe	Order Inquiry.exe
PID 1268 wrote to memory of 568	1268	Explorer.EXE	chkdsk.exe
PID 1268 wrote to memory of 568	1268	Explorer.EXE	chkdsk.exe
PID 1268 wrote to memory of 568	1268	Explorer.EXE	chkdsk.exe
PID 1268 wrote to memory of 568	1268	Explorer.EXE	chkdsk.exe
PID 568 wrote to memory of 1620	568	chkdsk.exe	cmd.exe
PID 568 wrote to memory of 1620	568	chkdsk.exe	cmd.exe
PID 568 wrote to memory of 1620	568	chkdsk.exe	cmd.exe
PID 568 wrote to memory of 1620	568	chkdsk.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:1268

C:\Users\Admin\AppData\Local\Temp\Order Inquiry.exe
"C:\Users\Admin\AppData\Local\Temp\Order Inquiry.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:956

C:\Users\Admin\AppData\Local\Temp\Order Inquiry.exe
"C:\Users\Admin\AppData\Local\Temp\Order Inquiry.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:556

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:568

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Order Inquiry.exe"
3⤵
- Deletes itself
PID:1620

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

2

T1082

Query Registry

1

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsoC13.tmp\dyvws.dll
MD5
e4200889e50e75c5c670c66e5e3db27a

SHA1
62576bf1affea7d2869c102e27c4d551e9c2468f

SHA256
d4f3bbeca51ce7296d4178143cdb0a8540df99552451f32a3f2c33633d9b949e

SHA512
f714054022d7c16b6cedc0cb113ca836c132b608e8a0f2abd68e73b6e1923a37242b6a78713c530e8829c1e034b5e58f6b17cb4a0a013ab3c72025ff73143339

Download Submit
memory/556-61-0x00000000002C0000-0x00000000002D5000-memory.dmp

Filesize
84KB

Download
memory/556-57-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/556-58-0x000000000041F200-mapping.dmp

Download
memory/556-60-0x0000000000930000-0x0000000000C33000-memory.dmp

Filesize
3.0MB

Download
memory/568-66-0x0000000000080000-0x00000000000AF000-memory.dmp

Filesize
188KB

Download
memory/568-63-0x0000000000000000-mapping.dmp

Download
memory/568-65-0x0000000000B80000-0x0000000000B87000-memory.dmp

Filesize
28KB

Download
memory/568-67-0x0000000002120000-0x0000000002423000-memory.dmp

Filesize
3.0MB

Download
memory/568-68-0x00000000009A0000-0x0000000000A34000-memory.dmp

Filesize
592KB

Download
memory/956-55-0x00000000764D1000-0x00000000764D3000-memory.dmp

Filesize
8KB

Download
memory/1268-62-0x00000000071E0000-0x00000000072FD000-memory.dmp

Filesize
1.1MB

Download
memory/1268-69-0x0000000007CD0000-0x0000000007E2A000-memory.dmp

Filesize
1.4MB

Download
memory/1620-64-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads