formbook | 5d429d5b5040db22296b658ddf87b4ee8a5dd7ba5e780453c2336dd13555e4bf

General

Target

shipping docs.exe
Size

608KB
MD5

b2746eceecc59cdef8881c91a88550f4
SHA1

63011e47cee50731bbd9b3cc8a15dbb6b9f8fad7
SHA256

5d429d5b5040db22296b658ddf87b4ee8a5dd7ba5e780453c2336dd13555e4bf
SHA512

8855654ba48a0fd8220adaffe97d636652fdd480aed3d12da4884f9b277ab53924dd290e71fba1fb33ff6635e2656d50660479ab4491adb4dbafc482655da922

Score

10^/10

formbook xloader a8hq loader persistence rat spyware stealer suricata trojan

Malware Config

Extracted

Family

xloader

Version

2.6

Campaign

a8hq

Decoy

veteransductcleaning.com

beajtjunkies.com

houseofascofi.com

scottsdalemediator.com

atelyadesign.com

profitcase.pro

imtokenio.club

qinglingpai.com

bigsmile-meal.net

daytonlivestream.com

aspiradores10.online

ytybs120.com

hdatelier.com

bearpierce.com

yeson28ca.com

booklearner.com

m8j9.club

mmophamthinhlegend.space

hq4a7o6zb.com

sophiadaki.online

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
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
suricata

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4556-138-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/4556-140-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/3456-146-0x00000000003A0000-0x00000000003CB000-memory.dmp	xloader

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

mstsc.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\DZD0Y = "C:\\Program Files (x86)\\Agnh8lfu\\mv18yvb.exe"	mstsc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	mstsc.exe

Executes dropped EXE 1 IoCs

Processes:

mv18yvb.exe

pid process

2680 mv18yvb.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

pid	process
2680	mv18yvb.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

shipping docs.exeshipping docs.exemstsc.exe

description	pid	process	target process
PID 1100 set thread context of 4556	1100	shipping docs.exe	shipping docs.exe
PID 4556 set thread context of 380	4556	shipping docs.exe	Explorer.EXE
PID 3456 set thread context of 380	3456	mstsc.exe	Explorer.EXE

Drops file in Program Files directory 4 IoCs

Processes:

mstsc.exeExplorer.EXE

description	ioc	process
File opened for modification	C:\Program Files (x86)\Agnh8lfu\mv18yvb.exe	mstsc.exe
File opened for modification	C:\Program Files (x86)\Agnh8lfu	Explorer.EXE
File created	C:\Program Files (x86)\Agnh8lfu\mv18yvb.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\Agnh8lfu\mv18yvb.exe	Explorer.EXE

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

mstsc.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	mstsc.exe

Suspicious behavior: EnumeratesProcesses 52 IoCs

Processes:

shipping docs.exeshipping docs.exemstsc.exe

pid	process
1100	shipping docs.exe
1100	shipping docs.exe
1100	shipping docs.exe
1100	shipping docs.exe
4556	shipping docs.exe
4556	shipping docs.exe
4556	shipping docs.exe
4556	shipping docs.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

380 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

shipping docs.exemstsc.exe

pid process

4556 shipping docs.exe
4556 shipping docs.exe
4556 shipping docs.exe
3456 mstsc.exe
3456 mstsc.exe
3456 mstsc.exe
3456 mstsc.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

shipping docs.exeshipping docs.exemstsc.exe

description pid process

Token: SeDebugPrivilege 1100 shipping docs.exe
Token: SeDebugPrivilege 4556 shipping docs.exe
Token: SeDebugPrivilege 3456 mstsc.exe

pid	process
380	Explorer.EXE

pid	process
4556	shipping docs.exe
4556	shipping docs.exe
4556	shipping docs.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe
3456	mstsc.exe

description	pid	process
Token: SeDebugPrivilege	1100	shipping docs.exe
Token: SeDebugPrivilege	4556	shipping docs.exe
Token: SeDebugPrivilege	3456	mstsc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

shipping docs.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 1100 wrote to memory of 4528	1100	shipping docs.exe	shipping docs.exe
PID 1100 wrote to memory of 4528	1100	shipping docs.exe	shipping docs.exe
PID 1100 wrote to memory of 4528	1100	shipping docs.exe	shipping docs.exe
PID 1100 wrote to memory of 4580	1100	shipping docs.exe	shipping docs.exe
PID 1100 wrote to memory of 4580	1100	shipping docs.exe	shipping docs.exe
PID 1100 wrote to memory of 4580	1100	shipping docs.exe	shipping docs.exe
PID 1100 wrote to memory of 4556	1100	shipping docs.exe	shipping docs.exe
PID 1100 wrote to memory of 4556	1100	shipping docs.exe	shipping docs.exe
PID 1100 wrote to memory of 4556	1100	shipping docs.exe	shipping docs.exe
PID 1100 wrote to memory of 4556	1100	shipping docs.exe	shipping docs.exe
PID 1100 wrote to memory of 4556	1100	shipping docs.exe	shipping docs.exe
PID 1100 wrote to memory of 4556	1100	shipping docs.exe	shipping docs.exe
PID 380 wrote to memory of 3456	380	Explorer.EXE	mstsc.exe
PID 380 wrote to memory of 3456	380	Explorer.EXE	mstsc.exe
PID 380 wrote to memory of 3456	380	Explorer.EXE	mstsc.exe
PID 3456 wrote to memory of 3688	3456	mstsc.exe	cmd.exe
PID 3456 wrote to memory of 3688	3456	mstsc.exe	cmd.exe
PID 3456 wrote to memory of 3688	3456	mstsc.exe	cmd.exe
PID 3456 wrote to memory of 1720	3456	mstsc.exe	cmd.exe
PID 3456 wrote to memory of 1720	3456	mstsc.exe	cmd.exe
PID 3456 wrote to memory of 1720	3456	mstsc.exe	cmd.exe
PID 3456 wrote to memory of 2412	3456	mstsc.exe	cmd.exe
PID 3456 wrote to memory of 2412	3456	mstsc.exe	cmd.exe
PID 3456 wrote to memory of 2412	3456	mstsc.exe	cmd.exe
PID 3456 wrote to memory of 3076	3456	mstsc.exe	Firefox.exe
PID 3456 wrote to memory of 3076	3456	mstsc.exe	Firefox.exe
PID 3456 wrote to memory of 3076	3456	mstsc.exe	Firefox.exe
PID 380 wrote to memory of 2680	380	Explorer.EXE	mv18yvb.exe
PID 380 wrote to memory of 2680	380	Explorer.EXE	mv18yvb.exe
PID 380 wrote to memory of 2680	380	Explorer.EXE	mv18yvb.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Drops file in Program Files directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:380

C:\Users\Admin\AppData\Local\Temp\shipping docs.exe
"C:\Users\Admin\AppData\Local\Temp\shipping docs.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1100

C:\Users\Admin\AppData\Local\Temp\shipping docs.exe
"{path}"
3⤵
PID:4528

C:\Users\Admin\AppData\Local\Temp\shipping docs.exe
"{path}"
3⤵
PID:4580

C:\Users\Admin\AppData\Local\Temp\shipping docs.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4556

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.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:3456

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\shipping docs.exe"
3⤵
PID:3688

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:1720

C:\Windows\SysWOW64\cmd.exe
/c copy "C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
3⤵
PID:2412

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:3076

C:\Program Files (x86)\Agnh8lfu\mv18yvb.exe
"C:\Program Files (x86)\Agnh8lfu\mv18yvb.exe"
2⤵
- Executes dropped EXE
PID:2680

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

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Downloads

C:\Program Files (x86)\Agnh8lfu\mv18yvb.exe
Filesize
608KB

MD5
b2746eceecc59cdef8881c91a88550f4

SHA1
63011e47cee50731bbd9b3cc8a15dbb6b9f8fad7

SHA256
5d429d5b5040db22296b658ddf87b4ee8a5dd7ba5e780453c2336dd13555e4bf

SHA512
8855654ba48a0fd8220adaffe97d636652fdd480aed3d12da4884f9b277ab53924dd290e71fba1fb33ff6635e2656d50660479ab4491adb4dbafc482655da922

Download Submit
C:\Program Files (x86)\Agnh8lfu\mv18yvb.exe
Filesize
608KB

MD5
b2746eceecc59cdef8881c91a88550f4

SHA1
63011e47cee50731bbd9b3cc8a15dbb6b9f8fad7

SHA256
5d429d5b5040db22296b658ddf87b4ee8a5dd7ba5e780453c2336dd13555e4bf

SHA512
8855654ba48a0fd8220adaffe97d636652fdd480aed3d12da4884f9b277ab53924dd290e71fba1fb33ff6635e2656d50660479ab4491adb4dbafc482655da922

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

MD5
b608d407fc15adea97c26936bc6f03f6

SHA1
953e7420801c76393902c0d6bb56148947e41571

SHA256
b281ce54125d4250a80f48fcc02a8eea53f2c35c3b726e2512c3d493da0013bf

SHA512
cc96ddf4bf90d6aaa9d86803cb2aa30cd8e9b295aee1bd5544b88aeab63dc60bb1d4641e846c9771bab51aabbfbcd984c6d3ee83b96f5b65d09c0841d464b9e4

Download Submit
C:\Users\Admin\AppData\Local\Temp\DB1
Filesize
48KB

MD5
349e6eb110e34a08924d92f6b334801d

SHA1
bdfb289daff51890cc71697b6322aa4b35ec9169

SHA256
c9fd7be4579e4aa942e8c2b44ab10115fa6c2fe6afd0c584865413d9d53f3b2a

SHA512
2a635b815a5e117ea181ee79305ee1baf591459427acc5210d8c6c7e447be3513ead871c605eb3d32e4ab4111b2a335f26520d0ef8c1245a4af44e1faec44574

Download Submit
memory/380-150-0x0000000007850000-0x0000000007998000-memory.dmp

Filesize
1.3MB

Download
memory/380-143-0x0000000002F60000-0x0000000003042000-memory.dmp

Filesize
904KB

Download
memory/1100-130-0x0000000000B30000-0x0000000000BCE000-memory.dmp

Filesize
632KB

Download
memory/1100-131-0x0000000005B40000-0x00000000060E4000-memory.dmp

Filesize
5.6MB

Download
memory/1100-132-0x0000000005630000-0x00000000056C2000-memory.dmp

Filesize
584KB

Download
memory/1100-133-0x00000000056D0000-0x000000000576C000-memory.dmp

Filesize
624KB

Download
memory/1100-134-0x0000000003060000-0x000000000306A000-memory.dmp

Filesize
40KB

Download
memory/1720-151-0x0000000000000000-mapping.dmp

Download
memory/2412-153-0x0000000000000000-mapping.dmp

Download
memory/2680-155-0x0000000000000000-mapping.dmp

Download
memory/3456-145-0x0000000000980000-0x0000000000ABA000-memory.dmp

Filesize
1.2MB

Download
memory/3456-148-0x0000000002710000-0x0000000002A5A000-memory.dmp

Filesize
3.3MB

Download
memory/3456-146-0x00000000003A0000-0x00000000003CB000-memory.dmp

Filesize
172KB

Download
memory/3456-149-0x00000000024E0000-0x0000000002570000-memory.dmp

Filesize
576KB

Download
memory/3456-144-0x0000000000000000-mapping.dmp

Download
memory/3688-147-0x0000000000000000-mapping.dmp

Download
memory/4528-135-0x0000000000000000-mapping.dmp

Download
memory/4556-142-0x0000000001B10000-0x0000000001B21000-memory.dmp

Filesize
68KB

Download
memory/4556-141-0x0000000001B40000-0x0000000001E8A000-memory.dmp

Filesize
3.3MB

Download
memory/4556-140-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4556-138-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4556-137-0x0000000000000000-mapping.dmp

Download
memory/4580-136-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads