formbook | 3f2cdc7783014a37d7ad61ee00c226d5221d4932f4113eb3590a9c9d0447b461

General

Target

NEW ORDER.exe
Size

277KB
MD5

fdb13566001939b797325265bc1048e0
SHA1

096a63354f73bcc105030ede2f04c5bb12cf2711
SHA256

3f2cdc7783014a37d7ad61ee00c226d5221d4932f4113eb3590a9c9d0447b461
SHA512

faac103a3a220885b3e4ec848e384e9b8b7ce9a19ab90c97d6319106e0a00275b0d6a51ab94e63bad147e2bcb32cc8ef051705c3b5e019ae1374cfdb901bf934

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/2016-65-0x0000000000400000-0x000000000042E000-memory.dmp	formbook
behavioral1/memory/1224-73-0x0000000000080000-0x00000000000AE000-memory.dmp	formbook

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1268 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

NEW ORDER.exe

pid process

980 NEW ORDER.exe

pid	process
1268	cmd.exe

pid	process
980	NEW ORDER.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

NEW ORDER.exeNEW ORDER.exechkdsk.exe

description	pid	process	target process
PID 980 set thread context of 2016	980	NEW ORDER.exe	NEW ORDER.exe
PID 2016 set thread context of 1200	2016	NEW ORDER.exe	Explorer.EXE
PID 2016 set thread context of 1200	2016	NEW ORDER.exe	Explorer.EXE
PID 1224 set thread context of 1200	1224	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:

NEW ORDER.exechkdsk.exe

pid	process
2016	NEW ORDER.exe
2016	NEW ORDER.exe
2016	NEW ORDER.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe
1224	chkdsk.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

NEW ORDER.exeNEW ORDER.exechkdsk.exe

pid process

980 NEW ORDER.exe
2016 NEW ORDER.exe
2016 NEW ORDER.exe
2016 NEW ORDER.exe
2016 NEW ORDER.exe
1224 chkdsk.exe
1224 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

NEW ORDER.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 2016 NEW ORDER.exe
Token: SeDebugPrivilege 1224 chkdsk.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE
1200 Explorer.EXE

pid	process
1200	Explorer.EXE

pid	process
980	NEW ORDER.exe
2016	NEW ORDER.exe
2016	NEW ORDER.exe
2016	NEW ORDER.exe
2016	NEW ORDER.exe
1224	chkdsk.exe
1224	chkdsk.exe

description	pid	process
Token: SeDebugPrivilege	2016	NEW ORDER.exe
Token: SeDebugPrivilege	1224	chkdsk.exe

pid	process
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE

pid	process
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

NEW ORDER.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 980 wrote to memory of 2016	980	NEW ORDER.exe	NEW ORDER.exe
PID 980 wrote to memory of 2016	980	NEW ORDER.exe	NEW ORDER.exe
PID 980 wrote to memory of 2016	980	NEW ORDER.exe	NEW ORDER.exe
PID 980 wrote to memory of 2016	980	NEW ORDER.exe	NEW ORDER.exe
PID 980 wrote to memory of 2016	980	NEW ORDER.exe	NEW ORDER.exe
PID 1200 wrote to memory of 1224	1200	Explorer.EXE	chkdsk.exe
PID 1200 wrote to memory of 1224	1200	Explorer.EXE	chkdsk.exe
PID 1200 wrote to memory of 1224	1200	Explorer.EXE	chkdsk.exe
PID 1200 wrote to memory of 1224	1200	Explorer.EXE	chkdsk.exe
PID 1224 wrote to memory of 1268	1224	chkdsk.exe	cmd.exe
PID 1224 wrote to memory of 1268	1224	chkdsk.exe	cmd.exe
PID 1224 wrote to memory of 1268	1224	chkdsk.exe	cmd.exe
PID 1224 wrote to memory of 1268	1224	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:1200

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:980

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:2016

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:1224

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\NEW ORDER.exe"
3⤵
- Deletes itself
PID:1268

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\nsn9CEC.tmp\crn3htp6rs7xv.dll
MD5
c340305243a686b51804d971ea98eb58

SHA1
b097ab251863dc844a79dcbee454548baa08d58a

SHA256
5e4c6ac84b748a87ad634ae0b05095487272d08e47ca62538e07e83e3e9ca7cd

SHA512
55e3c59224b820564a0cfa819e74b02c424dc94abc1da4e7e64f46dc5ee1fbb8cdc5733e89ce97ad3ef37578fe3e2c08729d06df37eac0dccc7f055629ed7785

Download Submit
memory/980-63-0x00000000003C0000-0x00000000003C2000-memory.dmp

Filesize
8KB

Download
memory/980-60-0x0000000075FF1000-0x0000000075FF3000-memory.dmp

Filesize
8KB

Download
memory/1200-69-0x0000000006110000-0x0000000006277000-memory.dmp

Filesize
1.4MB

Download
memory/1200-76-0x0000000007040000-0x0000000007169000-memory.dmp

Filesize
1.2MB

Download
memory/1200-64-0x0000000005FD0000-0x000000000610F000-memory.dmp

Filesize
1.2MB

Download
memory/1224-72-0x0000000000D70000-0x0000000000D77000-memory.dmp

Filesize
28KB

Download
memory/1224-70-0x0000000000000000-mapping.dmp

Download
memory/1224-73-0x0000000000080000-0x00000000000AE000-memory.dmp

Filesize
184KB

Download
memory/1224-74-0x0000000002180000-0x0000000002483000-memory.dmp

Filesize
3.0MB

Download
memory/1224-75-0x00000000009C0000-0x0000000000A53000-memory.dmp

Filesize
588KB

Download
memory/1268-71-0x0000000000000000-mapping.dmp

Download
memory/2016-66-0x0000000000970000-0x0000000000C73000-memory.dmp

Filesize
3.0MB

Download
memory/2016-68-0x0000000000590000-0x00000000005A4000-memory.dmp

Filesize
80KB

Download
memory/2016-67-0x00000000003C0000-0x00000000003D4000-memory.dmp

Filesize
80KB

Download
memory/2016-65-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/2016-62-0x000000000041EAF0-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads