formbook | 729dedb95d38dd742c756b1f522e3c721b1f616c6b35a4be065255cd3326812a

General

Target

Quotation.exe
Size

378KB
MD5

f3cf72f1ae6aa14ad0da0ee454e42bfb
SHA1

93c3d771808d2c5a4ad34e9cebe3fab5da335069
SHA256

3837dc32928e8556207e8dafb872968279682dc4a848d09f73823818d2fb7dff
SHA512

4a52b43f19bdfbb4614ae510c0e1aea414d676ce7d5b0120c66e14c791498d9ee9e458aafe74885f7b62e355139bacb46541f92eddc6b85836dcb4dc36cb984a

Score

10^/10

formbook m6x persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

formbook

Version

3.9

Campaign

m6x

Decoy

990939.top

dhluxuryconsulting.com

muapnvnsfr.com

homder.com

valveiran.com

alkhaleejtrading.net

jekweiss.com

kevinklasmanmusic.com

buyilovebacon.com

nq227.com

cryptrproject.com

medicine.mba

nufilter.info

highway99restorations.com

phytohealthkits.com

accentuatephotography.com

tradeclimber.com

yasseralm.com

ito-agri.com

divandaman.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 2 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3192-132-0x00000000005B0000-0x00000000005DA000-memory.dmp	formbook
behavioral2/memory/4784-138-0x0000000000640000-0x000000000066A000-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:

cmmon32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	cmmon32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\LNID-6VHQVFX = "C:\\Program Files (x86)\\Hf0-lwv\\update5jclxnd.exe"	cmmon32.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

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

Quotation.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	Quotation.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	Quotation.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

Quotation.execmmon32.exe

description	pid	process	target process
PID 3192 set thread context of 3148	3192	Quotation.exe	Explorer.EXE
PID 4784 set thread context of 3148	4784	cmmon32.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

cmmon32.exe

description ioc process

File opened for modification C:\Program Files (x86)\Hf0-lwv\update5jclxnd.exe cmmon32.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Hf0-lwv\update5jclxnd.exe	cmmon32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cmmon32.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmmon32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

Quotation.execmmon32.exe

pid	process
3192	Quotation.exe
3192	Quotation.exe
3192	Quotation.exe
3192	Quotation.exe
4784	cmmon32.exe
4784	cmmon32.exe
4784	cmmon32.exe
4784	cmmon32.exe
4784	cmmon32.exe
4784	cmmon32.exe
4784	cmmon32.exe
4784	cmmon32.exe
4784	cmmon32.exe
4784	cmmon32.exe
4784	cmmon32.exe
4784	cmmon32.exe
4784	cmmon32.exe
4784	cmmon32.exe
4784	cmmon32.exe
4784	cmmon32.exe
4784	cmmon32.exe
4784	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3148 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Quotation.execmmon32.exe

pid process

3192 Quotation.exe
3192 Quotation.exe
3192 Quotation.exe
4784 cmmon32.exe
4784 cmmon32.exe

pid	process
3148	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

Quotation.execmmon32.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	3192	Quotation.exe
Token: SeDebugPrivilege	4784	cmmon32.exe
Token: SeShutdownPrivilege	3148	Explorer.EXE
Token: SeCreatePagefilePrivilege	3148	Explorer.EXE
Token: SeShutdownPrivilege	3148	Explorer.EXE
Token: SeCreatePagefilePrivilege	3148	Explorer.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Explorer.EXEcmmon32.exe

description	pid	process	target process
PID 3148 wrote to memory of 4784	3148	Explorer.EXE	cmmon32.exe
PID 3148 wrote to memory of 4784	3148	Explorer.EXE	cmmon32.exe
PID 3148 wrote to memory of 4784	3148	Explorer.EXE	cmmon32.exe
PID 4784 wrote to memory of 4528	4784	cmmon32.exe	cmd.exe
PID 4784 wrote to memory of 4528	4784	cmmon32.exe	cmd.exe
PID 4784 wrote to memory of 4528	4784	cmmon32.exe	cmd.exe
PID 4784 wrote to memory of 3656	4784	cmmon32.exe	cmd.exe
PID 4784 wrote to memory of 3656	4784	cmmon32.exe	cmd.exe
PID 4784 wrote to memory of 3656	4784	cmmon32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3148

C:\Users\Admin\AppData\Local\Temp\Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
2⤵
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3192

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.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:4784

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
3⤵
PID:4528

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:3656

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

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

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/3148-135-0x00000000032C0000-0x00000000033E3000-memory.dmp

Filesize
1.1MB

Download
memory/3148-142-0x00000000086F0000-0x0000000008839000-memory.dmp

Filesize
1.3MB

Download
memory/3192-131-0x00000000052D0000-0x0000000005874000-memory.dmp

Filesize
5.6MB

Download
memory/3192-132-0x00000000005B0000-0x00000000005DA000-memory.dmp

Filesize
168KB

Download
memory/3192-133-0x0000000005880000-0x0000000005BCA000-memory.dmp

Filesize
3.3MB

Download
memory/3192-134-0x0000000000A00000-0x0000000000A14000-memory.dmp

Filesize
80KB

Download
memory/3192-130-0x0000000000180000-0x00000000001E4000-memory.dmp

Filesize
400KB

Download
memory/3656-143-0x0000000000000000-mapping.dmp

Download
memory/4528-140-0x0000000000000000-mapping.dmp

Download
memory/4784-136-0x0000000000000000-mapping.dmp

Download
memory/4784-141-0x0000000002400000-0x0000000002493000-memory.dmp

Filesize
588KB

Download
memory/4784-139-0x0000000002670000-0x00000000029BA000-memory.dmp

Filesize
3.3MB

Download
memory/4784-138-0x0000000000640000-0x000000000066A000-memory.dmp

Filesize
168KB

Download
memory/4784-137-0x0000000000EE0000-0x0000000000EEC000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads