formbook | 0aad345b493a91de830d383b647d9f51ea224f134de6e60a8afe95ba8e29d24b

General

Target

N001028.exe
Size

282KB
MD5

61e09b1e377cbf8017861bfd9dedfb55
SHA1

2ce56c49d71b9771a837f00b9e9ec58cfe53afad
SHA256

61caa9b68c303d1fb37e196154c0bf9a460441673084a307028a88002e10fd94
SHA512

e4ed7e7b827cf2298cd8b643a6feef07657f0c654b6a22b00d68dd251580214db6546ef79ef4c8575bc16e7e8f51f765f7980152801f82b812b65ad9e4fe5a70

Score

10^/10

formbook mg0t rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

mg0t

C2

http://www.q0yczwyc.asia/mg0t/

Decoy

3949842.com

webxdigital.net

dirums.online

metawiser.com

takefreepass.com

colphata.com

searchwebsafety.online

unrule.net

merch.ventures

tooreake.xyz

leonelaperu.com

qiangcai.xyz

cocco24.com

lovinganime.com

mbfad.com

historytodaygameshow.com

gadgetwellprotected.com

nutritoken-diet.com

liberty-lilies.com

singleofficial.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 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4376-116-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/4376-117-0x000000000041F0D0-mapping.dmp	formbook
behavioral2/memory/4420-126-0x00000000027A0000-0x00000000027CF000-memory.dmp	formbook

Loads dropped DLL 1 IoCs

Processes:

N001028.exe

pid process

4380 N001028.exe

pid	process
4380	N001028.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

N001028.exeN001028.exemsiexec.exe

description	pid	process	target process
PID 4380 set thread context of 4376	4380	N001028.exe	N001028.exe
PID 4376 set thread context of 3040	4376	N001028.exe	Explorer.EXE
PID 4420 set thread context of 3040	4420	msiexec.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 60 IoCs

Processes:

N001028.exemsiexec.exe

pid	process
4376	N001028.exe
4376	N001028.exe
4376	N001028.exe
4376	N001028.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe
4420	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3040 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

N001028.exemsiexec.exe

pid process

4376 N001028.exe
4376 N001028.exe
4376 N001028.exe
4420 msiexec.exe
4420 msiexec.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

N001028.exemsiexec.exe

description pid process

Token: SeDebugPrivilege 4376 N001028.exe
Token: SeDebugPrivilege 4420 msiexec.exe

pid	process
3040	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	4376	N001028.exe
Token: SeDebugPrivilege	4420	msiexec.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

N001028.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 4380 wrote to memory of 4376	4380	N001028.exe	N001028.exe
PID 4380 wrote to memory of 4376	4380	N001028.exe	N001028.exe
PID 4380 wrote to memory of 4376	4380	N001028.exe	N001028.exe
PID 4380 wrote to memory of 4376	4380	N001028.exe	N001028.exe
PID 4380 wrote to memory of 4376	4380	N001028.exe	N001028.exe
PID 4380 wrote to memory of 4376	4380	N001028.exe	N001028.exe
PID 3040 wrote to memory of 4420	3040	Explorer.EXE	msiexec.exe
PID 3040 wrote to memory of 4420	3040	Explorer.EXE	msiexec.exe
PID 3040 wrote to memory of 4420	3040	Explorer.EXE	msiexec.exe
PID 4420 wrote to memory of 3468	4420	msiexec.exe	cmd.exe
PID 4420 wrote to memory of 3468	4420	msiexec.exe	cmd.exe
PID 4420 wrote to memory of 3468	4420	msiexec.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3040

C:\Users\Admin\AppData\Local\Temp\N001028.exe
"C:\Users\Admin\AppData\Local\Temp\N001028.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4380

C:\Users\Admin\AppData\Local\Temp\N001028.exe
"C:\Users\Admin\AppData\Local\Temp\N001028.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4376

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4420

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\N001028.exe"
3⤵
PID:3468

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

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\nsmE11B.tmp\zohf.dll
MD5
f57352202d8f3d69a44189ef03225b61

SHA1
b86a800234755031db7bce7aee2edf8109aa3e20

SHA256
308cdec30a859b7b4fc204cbd47e0896017ce4bcba3736e99c04d1c157c6211f

SHA512
f3ac2c1b554f9c11f59ca64757df60aa1f29c691d30f0d1c70a18a0bda2b2cfafd456f3e7fb4955167e54918a4cdf94fb114f99acf43ea5f8fb977da48dbb3a2

Download Submit
memory/3040-121-0x0000000002E80000-0x0000000002F71000-memory.dmp

Filesize
964KB

Download
memory/3040-130-0x0000000006650000-0x0000000006763000-memory.dmp

Filesize
1.1MB

Download
memory/3468-127-0x0000000000000000-mapping.dmp

Download
memory/4376-116-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4376-117-0x000000000041F0D0-mapping.dmp

Download
memory/4376-119-0x0000000000B30000-0x0000000000E50000-memory.dmp

Filesize
3.1MB

Download
memory/4376-120-0x00000000005C0000-0x00000000005D4000-memory.dmp

Filesize
80KB

Download
memory/4420-122-0x0000000000000000-mapping.dmp

Download
memory/4420-126-0x00000000027A0000-0x00000000027CF000-memory.dmp

Filesize
188KB

Download
memory/4420-125-0x0000000000190000-0x00000000001A2000-memory.dmp

Filesize
72KB

Download
memory/4420-124-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/4420-128-0x00000000043D0000-0x00000000046F0000-memory.dmp

Filesize
3.1MB

Download
memory/4420-129-0x0000000004160000-0x00000000041F3000-memory.dmp

Filesize
588KB

Download
memory/4420-123-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads