formbook | 712d9e2373914cd9231c6c55a5d919efa6df53194b2c06b03695501dde071760

General

Target

tmp.exe
Size

536KB
MD5

9e70e8a4f264cc5ef9c7cc2c0977ce7f
SHA1

2fdade7cace270aacb774b1079c99f80110da9e1
SHA256

712d9e2373914cd9231c6c55a5d919efa6df53194b2c06b03695501dde071760
SHA512

278b3662e35ee839e197c218e22b32e3f9885b53004dbde163d3e86e91a6e6abbeff9afc4e444181c16b0e75d2b274639870bcafb7b43a9568c88116be66d0da

Score

10^/10

formbook m56u rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

m56u

Decoy

tercantiq.com

fortvillechicken.net

spiritsandtheb.com

alliant-inc.biz

yh1902.com

xiaodewenhua.net

cityjobs.xyz

seniorlivingwisconsin.com

piadagrilla.com

truistfinancebank.online

nft-fashionlover.com

hangmandownload.com

chun888.xyz

lemonviral.com

getagrip.network

daniellepinnock.info

chiswickstudios.com

essayservicee.com

bharatpragatifoundation.com

800vn.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/2032-135-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/2032-141-0x0000000000400000-0x000000000042F000-memory.dmp	formbook
behavioral2/memory/1952-144-0x0000000000840000-0x000000000086F000-memory.dmp	formbook
behavioral2/memory/1952-148-0x0000000000840000-0x000000000086F000-memory.dmp	formbook

Suspicious use of SetThreadContext 3 IoCs

Processes:

tmp.exetmp.execscript.exe

description	pid	process	target process
PID 3684 set thread context of 2032	3684	tmp.exe	tmp.exe
PID 2032 set thread context of 2896	2032	tmp.exe	Explorer.EXE
PID 1952 set thread context of 2896	1952	cscript.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 40 IoCs

Processes:

tmp.execscript.exe

pid	process
2032	tmp.exe
2032	tmp.exe
2032	tmp.exe
2032	tmp.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe
1952	cscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2896 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

tmp.execscript.exe

pid process

2032 tmp.exe
2032 tmp.exe
2032 tmp.exe
1952 cscript.exe
1952 cscript.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

tmp.execscript.exe

description pid process

Token: SeDebugPrivilege 2032 tmp.exe
Token: SeDebugPrivilege 1952 cscript.exe

pid	process
2896	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2032	tmp.exe
Token: SeDebugPrivilege	1952	cscript.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

tmp.exeExplorer.EXEcscript.exe

description	pid	process	target process
PID 3684 wrote to memory of 2032	3684	tmp.exe	tmp.exe
PID 3684 wrote to memory of 2032	3684	tmp.exe	tmp.exe
PID 3684 wrote to memory of 2032	3684	tmp.exe	tmp.exe
PID 3684 wrote to memory of 2032	3684	tmp.exe	tmp.exe
PID 3684 wrote to memory of 2032	3684	tmp.exe	tmp.exe
PID 3684 wrote to memory of 2032	3684	tmp.exe	tmp.exe
PID 2896 wrote to memory of 1952	2896	Explorer.EXE	cscript.exe
PID 2896 wrote to memory of 1952	2896	Explorer.EXE	cscript.exe
PID 2896 wrote to memory of 1952	2896	Explorer.EXE	cscript.exe
PID 1952 wrote to memory of 4460	1952	cscript.exe	cmd.exe
PID 1952 wrote to memory of 4460	1952	cscript.exe	cmd.exe
PID 1952 wrote to memory of 4460	1952	cscript.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2896

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3684

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2032

C:\Windows\SysWOW64\cscript.exe
"C:\Windows\SysWOW64\cscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1952

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
3⤵
PID:4460

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1952-140-0x0000000000000000-mapping.dmp

Download
memory/1952-148-0x0000000000840000-0x000000000086F000-memory.dmp

Filesize
188KB

Download
memory/1952-146-0x00000000029C0000-0x0000000002A53000-memory.dmp

Filesize
588KB

Download
memory/1952-145-0x0000000002B90000-0x0000000002EDA000-memory.dmp

Filesize
3.3MB

Download
memory/1952-144-0x0000000000840000-0x000000000086F000-memory.dmp

Filesize
188KB

Download
memory/1952-143-0x0000000000950000-0x0000000000977000-memory.dmp

Filesize
156KB

Download
memory/2032-134-0x0000000000000000-mapping.dmp

Download
memory/2032-138-0x0000000001580000-0x0000000001594000-memory.dmp

Filesize
80KB

Download
memory/2032-137-0x00000000015A0000-0x00000000018EA000-memory.dmp

Filesize
3.3MB

Download
memory/2032-141-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2032-135-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2896-139-0x00000000080D0000-0x0000000008251000-memory.dmp

Filesize
1.5MB

Download
memory/2896-147-0x0000000008670000-0x00000000087DF000-memory.dmp

Filesize
1.4MB

Download
memory/2896-149-0x0000000008670000-0x00000000087DF000-memory.dmp

Filesize
1.4MB

Download
memory/3684-130-0x0000000000950000-0x00000000009DA000-memory.dmp

Filesize
552KB

Download
memory/3684-133-0x000000000B4E0000-0x000000000B57C000-memory.dmp

Filesize
624KB

Download
memory/3684-132-0x0000000007A00000-0x0000000007A92000-memory.dmp

Filesize
584KB

Download
memory/3684-131-0x0000000007EC0000-0x0000000008464000-memory.dmp

Filesize
5.6MB

Download
memory/4460-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads