formbook | 4d58860b5ec12cfdf4e20a5aad49b6c607e5f6a19f0a9b6514a2f081d0cbce42

General

Target

quote108.exe
Size

1.3MB
MD5

da64fb838cf3e807f83bedc61659574a
SHA1

dace8b92ed4181ea1959aa42edb94d11e71fe47a
SHA256

f17cee91692c671592aa451fea1c86090f9ff613dfad84a5e7f17c18fe939e1e
SHA512

d73e152e30b2b64fd25de87cee3f8baa4df42f19c2a71b6c51e21a9d4c95e2b4e8cbb119b7921702e1b0746bf88cfdfbe79b24c87913d0815562677afb3d2aeb

Score

10^/10

formbook vcd persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

vcd

Decoy

lacittauniversitaria.com

godsdigger.info

stxfwj.com

sing-uk.com

crazyedu.com

sunchermical.com

cocaparis2024.com

ahazm.com

li021.com

bizzspire.com

jb-o8y.com

ssconlineadmitcard.com

merkled.net

nesaraconstruction.com

viba.ltd

rasshoferconsulting.com

slingersdlbrbhjs.download

higgins-plastering.com

prostickusa.com

szryyl.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/1552-137-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral2/memory/1552-139-0x0000000000400000-0x000000000042D000-memory.dmp	formbook
behavioral2/memory/4068-145-0x00000000009D0000-0x00000000009FD000-memory.dmp	formbook

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	msiexec.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\FLNHHTBP8DZ = "C:\\Program Files (x86)\\Hslddvl\\9r96lh.exe"	msiexec.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 3 IoCs

Processes:

quote108.exequote108.exemsiexec.exe

description	pid	process	target process
PID 4828 set thread context of 1552	4828	quote108.exe	quote108.exe
PID 1552 set thread context of 2608	1552	quote108.exe	Explorer.EXE
PID 4068 set thread context of 2608	4068	msiexec.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

msiexec.exe

description ioc process

File opened for modification C:\Program Files (x86)\Hslddvl\9r96lh.exe msiexec.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Hslddvl\9r96lh.exe	msiexec.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

msiexec.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	msiexec.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes:

quote108.exequote108.exemsiexec.exe

pid	process
4828	quote108.exe
4828	quote108.exe
4828	quote108.exe
1552	quote108.exe
1552	quote108.exe
1552	quote108.exe
1552	quote108.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2608 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

quote108.exemsiexec.exe

pid process

1552 quote108.exe
1552 quote108.exe
1552 quote108.exe
4068 msiexec.exe
4068 msiexec.exe
4068 msiexec.exe
4068 msiexec.exe

pid	process
2608	Explorer.EXE

pid	process
1552	quote108.exe
1552	quote108.exe
1552	quote108.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe
4068	msiexec.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

Processes:

quote108.exequote108.exemsiexec.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	4828	quote108.exe
Token: SeDebugPrivilege	1552	quote108.exe
Token: SeDebugPrivilege	4068	msiexec.exe
Token: SeShutdownPrivilege	2608	Explorer.EXE
Token: SeCreatePagefilePrivilege	2608	Explorer.EXE
Token: SeShutdownPrivilege	2608	Explorer.EXE
Token: SeCreatePagefilePrivilege	2608	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

quote108.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 4828 wrote to memory of 1552	4828	quote108.exe	quote108.exe
PID 4828 wrote to memory of 1552	4828	quote108.exe	quote108.exe
PID 4828 wrote to memory of 1552	4828	quote108.exe	quote108.exe
PID 4828 wrote to memory of 1552	4828	quote108.exe	quote108.exe
PID 4828 wrote to memory of 1552	4828	quote108.exe	quote108.exe
PID 4828 wrote to memory of 1552	4828	quote108.exe	quote108.exe
PID 2608 wrote to memory of 4068	2608	Explorer.EXE	msiexec.exe
PID 2608 wrote to memory of 4068	2608	Explorer.EXE	msiexec.exe
PID 2608 wrote to memory of 4068	2608	Explorer.EXE	msiexec.exe
PID 4068 wrote to memory of 3676	4068	msiexec.exe	cmd.exe
PID 4068 wrote to memory of 3676	4068	msiexec.exe	cmd.exe
PID 4068 wrote to memory of 3676	4068	msiexec.exe	cmd.exe
PID 4068 wrote to memory of 4092	4068	msiexec.exe	cmd.exe
PID 4068 wrote to memory of 4092	4068	msiexec.exe	cmd.exe
PID 4068 wrote to memory of 4092	4068	msiexec.exe	cmd.exe
PID 4068 wrote to memory of 2748	4068	msiexec.exe	Firefox.exe
PID 4068 wrote to memory of 2748	4068	msiexec.exe	Firefox.exe
PID 4068 wrote to memory of 2748	4068	msiexec.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2608

C:\Users\Admin\AppData\Local\Temp\quote108.exe
"C:\Users\Admin\AppData\Local\Temp\quote108.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4828

C:\Users\Admin\AppData\Local\Temp\quote108.exe
"C:\Users\Admin\AppData\Local\Temp\quote108.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1552

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Adds policy Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4068

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\quote108.exe"
3⤵
PID:3676

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:4092

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2748

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

2

T1112

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
40KB

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
memory/1552-140-0x00000000010D0000-0x000000000141A000-memory.dmp

Filesize
3.3MB

Download
memory/1552-141-0x0000000001030000-0x0000000001044000-memory.dmp

Filesize
80KB

Download
memory/1552-136-0x0000000000000000-mapping.dmp

Download
memory/1552-137-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1552-139-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2608-149-0x0000000008690000-0x000000000879B000-memory.dmp

Filesize
1.0MB

Download
memory/2608-142-0x00000000084A0000-0x00000000085F2000-memory.dmp

Filesize
1.3MB

Download
memory/3676-147-0x0000000000000000-mapping.dmp

Download
memory/4068-146-0x0000000002A90000-0x0000000002DDA000-memory.dmp

Filesize
3.3MB

Download
memory/4068-143-0x0000000000000000-mapping.dmp

Download
memory/4068-144-0x0000000000D90000-0x0000000000DA2000-memory.dmp

Filesize
72KB

Download
memory/4068-145-0x00000000009D0000-0x00000000009FD000-memory.dmp

Filesize
180KB

Download
memory/4068-148-0x0000000002DE0000-0x0000000002E73000-memory.dmp

Filesize
588KB

Download
memory/4092-150-0x0000000000000000-mapping.dmp

Download
memory/4828-135-0x00000000078B0000-0x0000000007906000-memory.dmp

Filesize
344KB

Download
memory/4828-134-0x0000000007560000-0x000000000756A000-memory.dmp

Filesize
40KB

Download
memory/4828-130-0x0000000000220000-0x0000000000368000-memory.dmp

Filesize
1.3MB

Download
memory/4828-133-0x0000000007660000-0x00000000076F2000-memory.dmp

Filesize
584KB

Download
memory/4828-132-0x0000000007C10000-0x00000000081B4000-memory.dmp

Filesize
5.6MB

Download
memory/4828-131-0x00000000075C0000-0x000000000765C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads