formbook | 83972d9fc2f49b8557a13e1c5b3737d3c03ab53410d7989eaba975216d7be2bb

General

Target

Quotation list.exe
Size

378KB
MD5

3617db6af880e252d22998f0172c4b1b
SHA1

debf933d05217678743203fb00dff0b86dbc03be
SHA256

8256c24d02c5a109077b512ce3b45d7f95bf38cc01c33a968bea89f244f48e40
SHA512

50567cf8853a9b58dc8b23aa4a3bbb5abb9a449024751eadedda1c3bba935bcd61d8a58568e7006f2ba70782754d3a49a115f5974812e652499592751d977245

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 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4972-138-0x0000000001230000-0x000000000125A000-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\ZJOL8RGHQZC = "C:\\Program Files (x86)\\Dn2kd9f_h\\l8oxnd0kzix.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

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 list.exe

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

Suspicious use of SetThreadContext 2 IoCs

Processes:

Quotation list.exemsiexec.exe

description	pid	process	target process
PID 2548 set thread context of 3144	2548	Quotation list.exe	Explorer.EXE
PID 4972 set thread context of 3144	4972	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)\Dn2kd9f_h\l8oxnd0kzix.exe msiexec.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Dn2kd9f_h\l8oxnd0kzix.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-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	msiexec.exe

Suspicious behavior: EnumeratesProcesses 38 IoCs

Processes:

Quotation list.exemsiexec.exe

pid	process
2548	Quotation list.exe
2548	Quotation list.exe
2548	Quotation list.exe
2548	Quotation list.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe
4972	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3144 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Quotation list.exemsiexec.exe

pid process

2548 Quotation list.exe
2548 Quotation list.exe
2548 Quotation list.exe
4972 msiexec.exe
4972 msiexec.exe

pid	process
3144	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

Quotation list.exemsiexec.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	2548	Quotation list.exe
Token: SeDebugPrivilege	4972	msiexec.exe
Token: SeShutdownPrivilege	3144	Explorer.EXE
Token: SeCreatePagefilePrivilege	3144	Explorer.EXE
Token: SeShutdownPrivilege	3144	Explorer.EXE
Token: SeCreatePagefilePrivilege	3144	Explorer.EXE

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Explorer.EXEmsiexec.exe

description	pid	process	target process
PID 3144 wrote to memory of 4972	3144	Explorer.EXE	msiexec.exe
PID 3144 wrote to memory of 4972	3144	Explorer.EXE	msiexec.exe
PID 3144 wrote to memory of 4972	3144	Explorer.EXE	msiexec.exe
PID 4972 wrote to memory of 1752	4972	msiexec.exe	cmd.exe
PID 4972 wrote to memory of 1752	4972	msiexec.exe	cmd.exe
PID 4972 wrote to memory of 1752	4972	msiexec.exe	cmd.exe
PID 4972 wrote to memory of 2120	4972	msiexec.exe	cmd.exe
PID 4972 wrote to memory of 2120	4972	msiexec.exe	cmd.exe
PID 4972 wrote to memory of 2120	4972	msiexec.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\Quotation list.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation list.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2548

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3144

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:4972

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Quotation list.exe"
3⤵
PID:1752

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:2120

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/1752-140-0x0000000000000000-mapping.dmp

Download
memory/2120-143-0x0000000000000000-mapping.dmp

Download
memory/2548-131-0x0000000005870000-0x0000000005E14000-memory.dmp

Filesize
5.6MB

Download
memory/2548-132-0x00000000052C0000-0x0000000005864000-memory.dmp

Filesize
5.6MB

Download
memory/2548-133-0x0000000005FD0000-0x000000000631A000-memory.dmp

Filesize
3.3MB

Download
memory/2548-134-0x00000000052C0000-0x0000000005864000-memory.dmp

Filesize
5.6MB

Download
memory/2548-130-0x0000000000690000-0x00000000006F4000-memory.dmp

Filesize
400KB

Download
memory/3144-135-0x0000000007EF0000-0x0000000008088000-memory.dmp

Filesize
1.6MB

Download
memory/3144-142-0x00000000081B0000-0x00000000082CA000-memory.dmp

Filesize
1.1MB

Download
memory/4972-136-0x0000000000000000-mapping.dmp

Download
memory/4972-139-0x00000000030E0000-0x000000000342A000-memory.dmp

Filesize
3.3MB

Download
memory/4972-141-0x0000000002F80000-0x0000000003013000-memory.dmp

Filesize
588KB

Download
memory/4972-138-0x0000000001230000-0x000000000125A000-memory.dmp

Filesize
168KB

Download
memory/4972-137-0x0000000000120000-0x0000000000132000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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