formbook | a4bf92333fa0839d92c30859f87f08f91f988c35dd30227c2b4fe60e7188a4a2

General

Target

Untitled attachment 00075.exe
Size

938KB
MD5

8cad21a8377f81f6647fac069ff6222d
SHA1

c06845f662d64492d4c4df1a6c506d20bebda40d
SHA256

a4bf92333fa0839d92c30859f87f08f91f988c35dd30227c2b4fe60e7188a4a2
SHA512

e6373bc79be0361d0fe60456a466f620d476e706770ebd15fc17ca3ee28b7b12d09eb70e3caf5ea3db8d4b778822e6830fc9ffe0c1d3e90fa6e01f4438c95a12

Score

10^/10

formbook n7ak persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

C2

http://www.kmresults.com/n7ak/

Decoy

modischoolcbse.com

theneverwinter.com

rszkjx-vps-hosting.website

fnihil.com

1pbet.com

nnowzscorrez.com

uaotgvjl.icu

starmapsqatar.com

ekisilani.com

extradeepsheets.com

jam-nins.com

buranly.com

orixentertainment.com

rawtech.energy

myol.guru

utex.club

jiapie.com

wowig.store

wweidlyyl.com

systaskautomation.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/2316-117-0x0000000000000000-mapping.dmp	formbook
behavioral2/memory/2316-119-0x0000000072480000-0x00000000724AE000-memory.dmp	formbook
behavioral2/memory/3404-127-0x0000000000FA0000-0x0000000000FCE000-memory.dmp	formbook

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Untitled attachment 00075.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\Fntqlbt = "C:\\Users\\Public\\Libraries\\tblqtnF.url"	Untitled attachment 00075.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

DpiScaling.exewscript.exe

description	pid	process	target process
PID 2316 set thread context of 3040	2316	DpiScaling.exe	Explorer.EXE
PID 3404 set thread context of 3040	3404	wscript.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 56 IoCs

Processes:

DpiScaling.exewscript.exe

pid	process
2316	DpiScaling.exe
2316	DpiScaling.exe
2316	DpiScaling.exe
2316	DpiScaling.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe
3404	wscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3040 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

DpiScaling.exewscript.exe

pid process

2316 DpiScaling.exe
2316 DpiScaling.exe
2316 DpiScaling.exe
3404 wscript.exe
3404 wscript.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DpiScaling.exewscript.exe

description pid process

Token: SeDebugPrivilege 2316 DpiScaling.exe
Token: SeDebugPrivilege 3404 wscript.exe

pid	process
3040	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2316	DpiScaling.exe
Token: SeDebugPrivilege	3404	wscript.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

Untitled attachment 00075.exeExplorer.EXEwscript.exe

description	pid	process	target process
PID 2484 wrote to memory of 2316	2484	Untitled attachment 00075.exe	DpiScaling.exe
PID 2484 wrote to memory of 2316	2484	Untitled attachment 00075.exe	DpiScaling.exe
PID 2484 wrote to memory of 2316	2484	Untitled attachment 00075.exe	DpiScaling.exe
PID 2484 wrote to memory of 2316	2484	Untitled attachment 00075.exe	DpiScaling.exe
PID 2484 wrote to memory of 2316	2484	Untitled attachment 00075.exe	DpiScaling.exe
PID 2484 wrote to memory of 2316	2484	Untitled attachment 00075.exe	DpiScaling.exe
PID 3040 wrote to memory of 3404	3040	Explorer.EXE	wscript.exe
PID 3040 wrote to memory of 3404	3040	Explorer.EXE	wscript.exe
PID 3040 wrote to memory of 3404	3040	Explorer.EXE	wscript.exe
PID 3404 wrote to memory of 3516	3404	wscript.exe	cmd.exe
PID 3404 wrote to memory of 3516	3404	wscript.exe	cmd.exe
PID 3404 wrote to memory of 3516	3404	wscript.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\Untitled attachment 00075.exe
"C:\Users\Admin\AppData\Local\Temp\Untitled attachment 00075.exe"
2⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2484

C:\Windows\SysWOW64\DpiScaling.exe
C:\Windows\System32\DpiScaling.exe
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2316

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3404

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\SysWOW64\DpiScaling.exe"
3⤵
PID:3516

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

memory/2316-121-0x0000000004F30000-0x0000000005250000-memory.dmp

Filesize
3.1MB

Download
memory/2316-117-0x0000000000000000-mapping.dmp

Download
memory/2316-119-0x0000000072480000-0x00000000724AE000-memory.dmp

Filesize
184KB

Download
memory/2316-118-0x0000000002EB0000-0x0000000002EB1000-memory.dmp

Filesize
4KB

Download
memory/2316-122-0x0000000004B50000-0x0000000004B64000-memory.dmp

Filesize
80KB

Download
memory/2484-116-0x0000000002BE1000-0x0000000002BF5000-memory.dmp

Filesize
80KB

Download
memory/2484-115-0x0000000002260000-0x0000000002261000-memory.dmp

Filesize
4KB

Download
memory/3040-123-0x0000000004E90000-0x0000000005002000-memory.dmp

Filesize
1.4MB

Download
memory/3040-130-0x0000000005010000-0x0000000005175000-memory.dmp

Filesize
1.4MB

Download
memory/3404-124-0x0000000000000000-mapping.dmp

Download
memory/3404-126-0x00000000013D0000-0x00000000013F7000-memory.dmp

Filesize
156KB

Download
memory/3404-127-0x0000000000FA0000-0x0000000000FCE000-memory.dmp

Filesize
184KB

Download
memory/3404-128-0x0000000004A00000-0x0000000004D20000-memory.dmp

Filesize
3.1MB

Download
memory/3404-129-0x0000000004DC0000-0x0000000004E53000-memory.dmp

Filesize
588KB

Download
memory/3516-125-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads