formbook | d226a2f9eb4ac11314978a2f766387cdd8bef3ab422b33795e383598c4e9f96a

General

Target

01308.exe
Size

474KB
MD5

25a53b5fdbe19e341d674b816175d4c9
SHA1

94d9ad37e73e089eaa967ab433351992a3aee500
SHA256

d5231355835fc25fb6f9923639331084ff0ae602929793c263e01eda38d2fa1b
SHA512

baf0f1b5e7454e99485be3a16dd5d19cdde08f71bebf596f854cb0c1a89d640de23caa777cae96bba22ededc587dae9814794f6fc4b0ce8ff9f921d67aaaf59c

Score

10^/10

formbook dmr persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dmr

Decoy

thietkewebngay.com

fdgre.com

silverbuzzer.com

d55105.com

ccc693.com

diptya.net

oleasalon.com

vjvtjkic.biz

edmsociety.com

siyahmaske.win

lmnp-occasion.com

platocosmos.com

fakua.top

albertabarricade.com

kakaninrecipes.com

bestsmokeapp.com

hotelsitaly.online

brewtopiaapp.com

1q1twoother.men

wwwmaharashtratimes.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
behavioral2/memory/4232-130-0x00000000002D0000-0x000000000034C000-memory.dmp	formbook
behavioral2/memory/700-136-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral2/memory/700-139-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral2/memory/3064-145-0x0000000000D10000-0x0000000000D3D000-memory.dmp	formbook

Adds policy Run key to start application 2 TTPs 1 IoCs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

Processes:

netsh.exe

description ioc process

Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run netsh.exe
Executes dropped EXE 1 IoCs

Processes:

AddInProcess32.exe

pid process

700 AddInProcess32.exe
Loads dropped DLL 1 IoCs

Processes:

01308.exe

pid process

4232 01308.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	netsh.exe

pid	process
700	AddInProcess32.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

01308.exeAddInProcess32.exenetsh.exe

description	pid	process	target process
PID 4232 set thread context of 700	4232	01308.exe	AddInProcess32.exe
PID 700 set thread context of 3084	700	AddInProcess32.exe	Explorer.EXE
PID 3064 set thread context of 3084	3064	netsh.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

netsh.exe

description ioc process

File opened for modification C:\Program Files (x86)\U7nlpi\p2kw0mhpfm.exe netsh.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\U7nlpi\p2kw0mhpfm.exe	netsh.exe

Suspicious behavior: EnumeratesProcesses 43 IoCs

Processes:

01308.exeAddInProcess32.exenetsh.exe

pid	process
4232	01308.exe
4232	01308.exe
4232	01308.exe
700	AddInProcess32.exe
700	AddInProcess32.exe
700	AddInProcess32.exe
700	AddInProcess32.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe
3064	netsh.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3084 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

AddInProcess32.exenetsh.exe

pid process

700 AddInProcess32.exe
700 AddInProcess32.exe
700 AddInProcess32.exe
3064 netsh.exe
3064 netsh.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

01308.exeAddInProcess32.exenetsh.exe

description pid process

Token: SeDebugPrivilege 4232 01308.exe
Token: SeDebugPrivilege 700 AddInProcess32.exe
Token: SeDebugPrivilege 3064 netsh.exe

pid	process
3084	Explorer.EXE

pid	process
700	AddInProcess32.exe
700	AddInProcess32.exe
700	AddInProcess32.exe
3064	netsh.exe
3064	netsh.exe

description	pid	process
Token: SeDebugPrivilege	4232	01308.exe
Token: SeDebugPrivilege	700	AddInProcess32.exe
Token: SeDebugPrivilege	3064	netsh.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

01308.exeExplorer.EXEnetsh.exe

description	pid	process	target process
PID 4232 wrote to memory of 700	4232	01308.exe	AddInProcess32.exe
PID 4232 wrote to memory of 700	4232	01308.exe	AddInProcess32.exe
PID 4232 wrote to memory of 700	4232	01308.exe	AddInProcess32.exe
PID 4232 wrote to memory of 700	4232	01308.exe	AddInProcess32.exe
PID 4232 wrote to memory of 700	4232	01308.exe	AddInProcess32.exe
PID 4232 wrote to memory of 700	4232	01308.exe	AddInProcess32.exe
PID 3084 wrote to memory of 3064	3084	Explorer.EXE	netsh.exe
PID 3084 wrote to memory of 3064	3084	Explorer.EXE	netsh.exe
PID 3084 wrote to memory of 3064	3084	Explorer.EXE	netsh.exe
PID 3064 wrote to memory of 4092	3064	netsh.exe	cmd.exe
PID 3064 wrote to memory of 4092	3064	netsh.exe	cmd.exe
PID 3064 wrote to memory of 4092	3064	netsh.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3084

C:\Users\Admin\AppData\Local\Temp\01308.exe
"C:\Users\Admin\AppData\Local\Temp\01308.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4232

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:700

C:\Windows\SysWOW64\netsh.exe
"C:\Windows\SysWOW64\netsh.exe"
2⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3064

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
3⤵
PID:4092

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\305ca9ce-05a7-4081-bcf5-b3110c43e68e\l.dll
Filesize
94KB

MD5
14ff402962ad21b78ae0b4c43cd1f194

SHA1
f8a510eb26666e875a5bdd1cadad40602763ad72

SHA256
fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

SHA512
daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

Download Submit
C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
Filesize
42KB

MD5
9827ff3cdf4b83f9c86354606736ca9c

SHA1
e73d73f42bb2a310f03eb1bcbb22be2b8eb7c723

SHA256
c1cf3dc8fa1c7fc00f88e07ad539979b3706ca8d69223cffd1d58bc8f521f63a

SHA512
8261828d55f3b5134c0aeb98311c04e20c5395d4347251746f3be0fb854f36cc7e118713cd00c9867537e6e47d5e71f2b2384fc00c67f0ae1b285b8310321579

Download Submit
C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
Filesize
42KB

MD5
9827ff3cdf4b83f9c86354606736ca9c

SHA1
e73d73f42bb2a310f03eb1bcbb22be2b8eb7c723

SHA256
c1cf3dc8fa1c7fc00f88e07ad539979b3706ca8d69223cffd1d58bc8f521f63a

SHA512
8261828d55f3b5134c0aeb98311c04e20c5395d4347251746f3be0fb854f36cc7e118713cd00c9867537e6e47d5e71f2b2384fc00c67f0ae1b285b8310321579

Download Submit
memory/700-135-0x0000000000000000-mapping.dmp

Download
memory/700-139-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/700-142-0x0000000001490000-0x00000000014A4000-memory.dmp

Filesize
80KB

Download
memory/700-136-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/700-141-0x0000000001940000-0x0000000001C8A000-memory.dmp

Filesize
3.3MB

Download
memory/3064-143-0x0000000000000000-mapping.dmp

Download
memory/3064-144-0x0000000000DC0000-0x0000000000DDE000-memory.dmp

Filesize
120KB

Download
memory/3064-145-0x0000000000D10000-0x0000000000D3D000-memory.dmp

Filesize
180KB

Download
memory/3064-148-0x0000000001820000-0x0000000001B6A000-memory.dmp

Filesize
3.3MB

Download
memory/3064-149-0x0000000001660000-0x00000000016F3000-memory.dmp

Filesize
588KB

Download
memory/3084-140-0x0000000002B10000-0x0000000002C3C000-memory.dmp

Filesize
1.2MB

Download
memory/3084-150-0x0000000008460000-0x00000000085DE000-memory.dmp

Filesize
1.5MB

Download
memory/4092-147-0x0000000000000000-mapping.dmp

Download
memory/4232-133-0x0000000005D20000-0x00000000062C4000-memory.dmp

Filesize
5.6MB

Download
memory/4232-130-0x00000000002D0000-0x000000000034C000-memory.dmp

Filesize
496KB

Download
memory/4232-134-0x0000000005850000-0x00000000058E2000-memory.dmp

Filesize
584KB

Download
memory/4232-132-0x0000000073C20000-0x0000000073CA9000-memory.dmp

Filesize
548KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads