formbook | b00ebd12d239ba9f75f11b3ad96b127730779e48f3e2fead50c9e5a7b7ca598a

General

Target

Request for Quotation-BV-76435020.exe
Size

654KB
MD5

a2fe795e8b63eb414f66e09953a56a46
SHA1

ffd4c5641f9253d6004af10110ffcc630be27521
SHA256

b00ebd12d239ba9f75f11b3ad96b127730779e48f3e2fead50c9e5a7b7ca598a
SHA512

3a99dffb20ab52a9a771b495f9e7f7acbc72d319b265197cc8465211b44eea1fa9c1550581a083f176a97bfecab3f6c6d79033b3cc5a8fcfd75cb6ac27e9e65a

Score

10^/10

evasion trojan spyware stealer formbook persistence

Malware Config

Signatures

Suspicious use of SetThreadContext 3 IoCs

Processes:

Request for Quotation-BV-76435020.exeRequest for Quotation-BV-76435020.exeraserver.exe

description	pid	process	target process
PID 1496 set thread context of 1020	1496	Request for Quotation-BV-76435020.exe	Request for Quotation-BV-76435020.exe
PID 1020 set thread context of 1228	1020	Request for Quotation-BV-76435020.exe	Explorer.EXE
PID 388 set thread context of 1228	388	raserver.exe	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Request for Quotation-BV-76435020.exeraserver.exe

description pid process

Token: SeDebugPrivilege 1020 Request for Quotation-BV-76435020.exe
Token: SeDebugPrivilege 388 raserver.exe

description	pid	process
Token: SeDebugPrivilege	1020	Request for Quotation-BV-76435020.exe
Token: SeDebugPrivilege	388	raserver.exe

Adds Run entry to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

raserver.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	raserver.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\-Z-XJLGPTH = "C:\\Program Files (x86)\\Ekpx0cfw0\\userdpwtjleh.exe"	raserver.exe

Suspicious use of SendNotifyMessage 7 IoCs

Processes:

Explorer.EXE

pid process

1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE

pid	process
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

raserver.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1131729243-447456001-3632642222-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	raserver.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Request for Quotation-BV-76435020.exeExplorer.EXEraserver.exe

description	pid	process	target process
PID 1496 wrote to memory of 1020	1496	Request for Quotation-BV-76435020.exe	Request for Quotation-BV-76435020.exe
PID 1496 wrote to memory of 1020	1496	Request for Quotation-BV-76435020.exe	Request for Quotation-BV-76435020.exe
PID 1496 wrote to memory of 1020	1496	Request for Quotation-BV-76435020.exe	Request for Quotation-BV-76435020.exe
PID 1496 wrote to memory of 1020	1496	Request for Quotation-BV-76435020.exe	Request for Quotation-BV-76435020.exe
PID 1228 wrote to memory of 388	1228	Explorer.EXE	raserver.exe
PID 1228 wrote to memory of 388	1228	Explorer.EXE	raserver.exe
PID 1228 wrote to memory of 388	1228	Explorer.EXE	raserver.exe
PID 1228 wrote to memory of 388	1228	Explorer.EXE	raserver.exe
PID 388 wrote to memory of 336	388	raserver.exe	cmd.exe
PID 388 wrote to memory of 336	388	raserver.exe	cmd.exe
PID 388 wrote to memory of 336	388	raserver.exe	cmd.exe
PID 388 wrote to memory of 336	388	raserver.exe	cmd.exe
PID 388 wrote to memory of 1628	388	raserver.exe	Firefox.exe
PID 388 wrote to memory of 1628	388	raserver.exe	Firefox.exe
PID 388 wrote to memory of 1628	388	raserver.exe	Firefox.exe
PID 388 wrote to memory of 1628	388	raserver.exe	Firefox.exe
PID 388 wrote to memory of 1628	388	raserver.exe	Firefox.exe

Suspicious behavior: MapViewOfSection 8 IoCs

Processes:

Request for Quotation-BV-76435020.exeRequest for Quotation-BV-76435020.exeraserver.exe

pid	process
1496	Request for Quotation-BV-76435020.exe
1020	Request for Quotation-BV-76435020.exe
1020	Request for Quotation-BV-76435020.exe
1020	Request for Quotation-BV-76435020.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

336 cmd.exe
Suspicious use of FindShellTrayWindow 8 IoCs

Processes:

Explorer.EXE

pid process

1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
1228 Explorer.EXE
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Explorer.EXE

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Explorer.EXE
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
336	cmd.exe

pid	process
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE
1228	Explorer.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes:

Request for Quotation-BV-76435020.exeRequest for Quotation-BV-76435020.exeraserver.exe

pid	process
1496	Request for Quotation-BV-76435020.exe
1020	Request for Quotation-BV-76435020.exe
1020	Request for Quotation-BV-76435020.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe
388	raserver.exe

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Drops file in Program Files directory 1 IoCs

Processes:

raserver.exe

description ioc process

File opened for modification C:\Program Files (x86)\Ekpx0cfw0\userdpwtjleh.exe raserver.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Ekpx0cfw0\userdpwtjleh.exe	raserver.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
- Suspicious use of FindShellTrayWindow
- Checks whether UAC is enabled
PID:1228

C:\Users\Admin\AppData\Local\Temp\Request for Quotation-BV-76435020.exe
"C:\Users\Admin\AppData\Local\Temp\Request for Quotation-BV-76435020.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: EnumeratesProcesses
PID:1496

C:\Users\Admin\AppData\Local\Temp\Request for Quotation-BV-76435020.exe
"C:\Users\Admin\AppData\Local\Temp\Request for Quotation-BV-76435020.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: EnumeratesProcesses
PID:1020

C:\Windows\SysWOW64\raserver.exe
"C:\Windows\SysWOW64\raserver.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Adds Run entry to start application
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: EnumeratesProcesses
- Drops file in Program Files directory
PID:388

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Request for Quotation-BV-76435020.exe"
3⤵
- Deletes itself
PID:336

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1628

Network

MITRE ATT&CK Enterprise 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

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\-823QC40\-82logim.jpeg

Download Submit
C:\Users\Admin\AppData\Roaming\-823QC40\-82logrf.ini

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C:\Users\Admin\AppData\Roaming\-823QC40\-82logri.ini

Download Submit
C:\Users\Admin\AppData\Roaming\-823QC40\-82logrv.ini

Download Submit
memory/336-4-0x0000000000000000-mapping.dmp

Download
memory/388-3-0x00000000000B0000-0x00000000000CC000-memory.dmp

Filesize
112KB

Download
memory/388-6-0x0000000003A90000-0x0000000003BA4000-memory.dmp

Filesize
1.1MB

Download
memory/388-5-0x0000000002FA0000-0x000000000305D000-memory.dmp

Filesize
756KB

Download
memory/388-2-0x0000000000000000-mapping.dmp

Download
memory/1020-0-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1020-1-0x000000000041E2A0-mapping.dmp

Download
memory/1628-7-0x0000000000000000-mapping.dmp

Download
memory/1628-8-0x000000013F600000-0x000000013F693000-memory.dmp

Filesize
588KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads