formbook | cb14692eac3d5825fa466d731c8692b2ec6c1ea94e4c0ef515738844eeb91ec1

General

Target

Inquiry Order.exe
Size

382KB
MD5

a5b0ce8922a255ec0365017fa0cb8ba8
SHA1

911b6222cf8c51f69f70923b13e3bbad0e0699f7
SHA256

417269750915b1599cde84c6af73f00f5dbb8be287b1b03dc34887e8eab1105f
SHA512

73be6f42fe620c1c65ea35f2408055eceba0ff11347b4a3dc4f6f55161b06335a65d7dd922aa53174a49de0075159eef5bca7df50e8b46ff83ba4fdf6bd39300

Score

10^/10

formbook xloader b5ce loader persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

b5ce

C2

http://www.rheilea.com/b5ce/

Decoy

advellerd.xyz

giasuvina.com

arab-xt-pro.com

ahsltu2ua4.com

trasportesemmanuel.com

kissimmeesoccercup.com

studyengland.com

m2volleyballclub.com

shyuehuan.com

elsml.com

blog-x-history.top

coditeu.com

allattachments.net

vigautruc.com

mentication.com

zambiaedu.xyz

filadelfiacenter.com

avlaborsourceinc.info

tameka-stewart.com

studio-cleo.com

Signatures

Formbook
Formbook is a data stealing malware which is capable of stealing data.
trojan spyware stealer formbook
Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/688-65-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/688-66-0x000000000041D430-mapping.dmp	xloader
behavioral1/memory/1732-72-0x00000000000D0000-0x00000000000F9000-memory.dmp	xloader
behavioral1/memory/1916-91-0x000000000041D430-mapping.dmp	xloader

Blocklisted process makes network request 1 IoCs

Processes:

wscript.exe

flow pid process

64 1732 wscript.exe
Executes dropped EXE 2 IoCs

Processes:

winfrdh6ti.exewinfrdh6ti.exe

pid process

432 winfrdh6ti.exe
1916 winfrdh6ti.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1704 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

winfrdh6ti.exe

pid process

432 winfrdh6ti.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

flow	pid	process
64	1732	wscript.exe

pid	process
432	winfrdh6ti.exe
1916	winfrdh6ti.exe

pid	process
1704	cmd.exe

pid	process
432	winfrdh6ti.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\X8_XDZJ0FV = "C:\\Program Files (x86)\\Helu\\winfrdh6ti.exe"	wscript.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

Inquiry Order.exeInquiry Order.exewscript.exewinfrdh6ti.exe

description	pid	process	target process
PID 1268 set thread context of 688	1268	Inquiry Order.exe	Inquiry Order.exe
PID 688 set thread context of 1212	688	Inquiry Order.exe	Explorer.EXE
PID 1732 set thread context of 1212	1732	wscript.exe	Explorer.EXE
PID 432 set thread context of 1916	432	winfrdh6ti.exe	winfrdh6ti.exe

Drops file in Program Files directory 2 IoCs

Processes:

wscript.exeExplorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Helu\winfrdh6ti.exe	wscript.exe
File created	C:\Program Files (x86)\Helu\winfrdh6ti.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

wscript.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2455352368-1077083310-2879168483-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	wscript.exe

Suspicious behavior: EnumeratesProcesses 54 IoCs

Processes:

Inquiry Order.exewscript.exewinfrdh6ti.exe

pid	process
688	Inquiry Order.exe
688	Inquiry Order.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1916	winfrdh6ti.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe
1732	wscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1212 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

Inquiry Order.exewscript.exe

pid process

688 Inquiry Order.exe
688 Inquiry Order.exe
688 Inquiry Order.exe
1732 wscript.exe
1732 wscript.exe
1732 wscript.exe
1732 wscript.exe

pid	process
1212	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Inquiry Order.exewscript.exewinfrdh6ti.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	688	Inquiry Order.exe
Token: SeDebugPrivilege	1732	wscript.exe
Token: SeDebugPrivilege	1916	winfrdh6ti.exe
Token: SeShutdownPrivilege	1212	Explorer.EXE

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1212 Explorer.EXE
1212 Explorer.EXE
1212 Explorer.EXE
1212 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1212 Explorer.EXE
1212 Explorer.EXE
1212 Explorer.EXE
1212 Explorer.EXE

pid	process
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE

pid	process
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of WriteProcessMemory 40 IoCs

Processes:

Inquiry Order.exeExplorer.EXEwscript.exewinfrdh6ti.exe

description	pid	process	target process
PID 1268 wrote to memory of 688	1268	Inquiry Order.exe	Inquiry Order.exe
PID 1268 wrote to memory of 688	1268	Inquiry Order.exe	Inquiry Order.exe
PID 1268 wrote to memory of 688	1268	Inquiry Order.exe	Inquiry Order.exe
PID 1268 wrote to memory of 688	1268	Inquiry Order.exe	Inquiry Order.exe
PID 1268 wrote to memory of 688	1268	Inquiry Order.exe	Inquiry Order.exe
PID 1268 wrote to memory of 688	1268	Inquiry Order.exe	Inquiry Order.exe
PID 1268 wrote to memory of 688	1268	Inquiry Order.exe	Inquiry Order.exe
PID 1268 wrote to memory of 688	1268	Inquiry Order.exe	Inquiry Order.exe
PID 1268 wrote to memory of 688	1268	Inquiry Order.exe	Inquiry Order.exe
PID 1268 wrote to memory of 688	1268	Inquiry Order.exe	Inquiry Order.exe
PID 1212 wrote to memory of 1732	1212	Explorer.EXE	wscript.exe
PID 1212 wrote to memory of 1732	1212	Explorer.EXE	wscript.exe
PID 1212 wrote to memory of 1732	1212	Explorer.EXE	wscript.exe
PID 1212 wrote to memory of 1732	1212	Explorer.EXE	wscript.exe
PID 1732 wrote to memory of 1704	1732	wscript.exe	cmd.exe
PID 1732 wrote to memory of 1704	1732	wscript.exe	cmd.exe
PID 1732 wrote to memory of 1704	1732	wscript.exe	cmd.exe
PID 1732 wrote to memory of 1704	1732	wscript.exe	cmd.exe
PID 1732 wrote to memory of 1868	1732	wscript.exe	Firefox.exe
PID 1732 wrote to memory of 1868	1732	wscript.exe	Firefox.exe
PID 1732 wrote to memory of 1868	1732	wscript.exe	Firefox.exe
PID 1732 wrote to memory of 1868	1732	wscript.exe	Firefox.exe
PID 1212 wrote to memory of 432	1212	Explorer.EXE	winfrdh6ti.exe
PID 1212 wrote to memory of 432	1212	Explorer.EXE	winfrdh6ti.exe
PID 1212 wrote to memory of 432	1212	Explorer.EXE	winfrdh6ti.exe
PID 1212 wrote to memory of 432	1212	Explorer.EXE	winfrdh6ti.exe
PID 1212 wrote to memory of 432	1212	Explorer.EXE	winfrdh6ti.exe
PID 1212 wrote to memory of 432	1212	Explorer.EXE	winfrdh6ti.exe
PID 1212 wrote to memory of 432	1212	Explorer.EXE	winfrdh6ti.exe
PID 1732 wrote to memory of 1868	1732	wscript.exe	Firefox.exe
PID 432 wrote to memory of 1916	432	winfrdh6ti.exe	winfrdh6ti.exe
PID 432 wrote to memory of 1916	432	winfrdh6ti.exe	winfrdh6ti.exe
PID 432 wrote to memory of 1916	432	winfrdh6ti.exe	winfrdh6ti.exe
PID 432 wrote to memory of 1916	432	winfrdh6ti.exe	winfrdh6ti.exe
PID 432 wrote to memory of 1916	432	winfrdh6ti.exe	winfrdh6ti.exe
PID 432 wrote to memory of 1916	432	winfrdh6ti.exe	winfrdh6ti.exe
PID 432 wrote to memory of 1916	432	winfrdh6ti.exe	winfrdh6ti.exe
PID 432 wrote to memory of 1916	432	winfrdh6ti.exe	winfrdh6ti.exe
PID 432 wrote to memory of 1916	432	winfrdh6ti.exe	winfrdh6ti.exe
PID 432 wrote to memory of 1916	432	winfrdh6ti.exe	winfrdh6ti.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1212

C:\Users\Admin\AppData\Local\Temp\Inquiry Order.exe
"C:\Users\Admin\AppData\Local\Temp\Inquiry Order.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1268

C:\Users\Admin\AppData\Local\Temp\Inquiry Order.exe
"C:\Users\Admin\AppData\Local\Temp\Inquiry Order.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:688

C:\Windows\SysWOW64\autochk.exe
"C:\Windows\SysWOW64\autochk.exe"
2⤵
PID:1600

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1736

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1752

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1756

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1748

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1928

C:\Windows\SysWOW64\autofmt.exe
"C:\Windows\SysWOW64\autofmt.exe"
2⤵
PID:1952

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
2⤵
- Blocklisted process makes network request
- Adds 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:1732

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\Inquiry Order.exe"
3⤵
- Deletes itself
PID:1704

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1868

C:\Program Files (x86)\Helu\winfrdh6ti.exe
"C:\Program Files (x86)\Helu\winfrdh6ti.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:432

C:\Program Files (x86)\Helu\winfrdh6ti.exe
"C:\Program Files (x86)\Helu\winfrdh6ti.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1916

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Program Files (x86)\Helu\winfrdh6ti.exe
MD5
a5b0ce8922a255ec0365017fa0cb8ba8

SHA1
911b6222cf8c51f69f70923b13e3bbad0e0699f7

SHA256
417269750915b1599cde84c6af73f00f5dbb8be287b1b03dc34887e8eab1105f

SHA512
73be6f42fe620c1c65ea35f2408055eceba0ff11347b4a3dc4f6f55161b06335a65d7dd922aa53174a49de0075159eef5bca7df50e8b46ff83ba4fdf6bd39300

Download Submit
C:\Program Files (x86)\Helu\winfrdh6ti.exe
MD5
a5b0ce8922a255ec0365017fa0cb8ba8

SHA1
911b6222cf8c51f69f70923b13e3bbad0e0699f7

SHA256
417269750915b1599cde84c6af73f00f5dbb8be287b1b03dc34887e8eab1105f

SHA512
73be6f42fe620c1c65ea35f2408055eceba0ff11347b4a3dc4f6f55161b06335a65d7dd922aa53174a49de0075159eef5bca7df50e8b46ff83ba4fdf6bd39300

Download Submit
C:\Program Files (x86)\Helu\winfrdh6ti.exe
MD5
a5b0ce8922a255ec0365017fa0cb8ba8

SHA1
911b6222cf8c51f69f70923b13e3bbad0e0699f7

SHA256
417269750915b1599cde84c6af73f00f5dbb8be287b1b03dc34887e8eab1105f

SHA512
73be6f42fe620c1c65ea35f2408055eceba0ff11347b4a3dc4f6f55161b06335a65d7dd922aa53174a49de0075159eef5bca7df50e8b46ff83ba4fdf6bd39300

Download Submit
\Program Files (x86)\Helu\winfrdh6ti.exe
MD5
a5b0ce8922a255ec0365017fa0cb8ba8

SHA1
911b6222cf8c51f69f70923b13e3bbad0e0699f7

SHA256
417269750915b1599cde84c6af73f00f5dbb8be287b1b03dc34887e8eab1105f

SHA512
73be6f42fe620c1c65ea35f2408055eceba0ff11347b4a3dc4f6f55161b06335a65d7dd922aa53174a49de0075159eef5bca7df50e8b46ff83ba4fdf6bd39300

Download Submit
memory/432-78-0x0000000000000000-mapping.dmp

Download
memory/432-83-0x0000000000700000-0x0000000000701000-memory.dmp

Filesize
4KB

Download
memory/432-81-0x0000000000D60000-0x0000000000D61000-memory.dmp

Filesize
4KB

Download
memory/688-67-0x0000000000A30000-0x0000000000D33000-memory.dmp

Filesize
3.0MB

Download
memory/688-65-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/688-66-0x000000000041D430-mapping.dmp

Download
memory/688-68-0x0000000000220000-0x0000000000231000-memory.dmp

Filesize
68KB

Download
memory/1212-69-0x0000000004FD0000-0x0000000005122000-memory.dmp

Filesize
1.3MB

Download
memory/1212-76-0x00000000043D0000-0x00000000044B7000-memory.dmp

Filesize
924KB

Download
memory/1268-60-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download
memory/1268-62-0x0000000004E80000-0x0000000004E81000-memory.dmp

Filesize
4KB

Download
memory/1268-63-0x0000000000380000-0x000000000038A000-memory.dmp

Filesize
40KB

Download
memory/1268-64-0x0000000004CD0000-0x0000000004D1B000-memory.dmp

Filesize
300KB

Download
memory/1704-74-0x0000000000000000-mapping.dmp

Download
memory/1732-77-0x0000000074D91000-0x0000000074D93000-memory.dmp

Filesize
8KB

Download
memory/1732-75-0x0000000001D70000-0x0000000001E00000-memory.dmp

Filesize
576KB

Download
memory/1732-71-0x00000000008A0000-0x00000000008C6000-memory.dmp

Filesize
152KB

Download
memory/1732-73-0x0000000001FA0000-0x00000000022A3000-memory.dmp

Filesize
3.0MB

Download
memory/1732-72-0x00000000000D0000-0x00000000000F9000-memory.dmp

Filesize
164KB

Download
memory/1732-70-0x0000000000000000-mapping.dmp

Download
memory/1868-85-0x0000000000000000-mapping.dmp

Download
memory/1868-87-0x0000000002420000-0x000000000253E000-memory.dmp

Filesize
1.1MB

Download
memory/1868-86-0x000000013F2F0000-0x000000013F383000-memory.dmp

Filesize
588KB

Download
memory/1916-91-0x000000000041D430-mapping.dmp

Download
memory/1916-93-0x00000000008C0000-0x0000000000BC3000-memory.dmp

Filesize
3.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads