formbook | 987a52188f63dcef15f8ad0610f7a8f6aef1cd354dbe8ee4044ff0ca0bdcfab3

General

Target

SHIPPING DOC.exe
Size

552KB
MD5

f9a9d7132aec30df35492673996222bb
SHA1

1abc89b60339bdc3cf9db2b6a626b736d7077882
SHA256

461f96a4dac8f3ba5bacb38052c61bf74088dd0eafa458b8789494b343736fc7
SHA512

6d9e7708b983aedd36bf1ab8fc2dba4a7bf31d01de63ccf921ab7fd77dd6ce20933c192578257da2c5c0398165ff0fbfbd414bfcc81cd5f1ec546713c5be2fba

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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/4468-137-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/4468-143-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/4996-146-0x0000000001250000-0x000000000127B000-memory.dmp	xloader
behavioral2/memory/4996-150-0x0000000001250000-0x000000000127B000-memory.dmp	xloader

Executes dropped EXE 1 IoCs

Processes:

k6q4cbytuj.exe

pid process

3708 k6q4cbytuj.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
3708	k6q4cbytuj.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ipconfig.exe

description	ioc	process
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	ipconfig.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\YLSD1NXHV = "C:\\Program Files (x86)\\Ynrmhqbm\\k6q4cbytuj.exe"	ipconfig.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

SHIPPING DOC.exeSHIPPING DOC.exeipconfig.exe

description	pid	process	target process
PID 1228 set thread context of 4468	1228	SHIPPING DOC.exe	SHIPPING DOC.exe
PID 4468 set thread context of 2712	4468	SHIPPING DOC.exe	Explorer.EXE
PID 4996 set thread context of 2712	4996	ipconfig.exe	Explorer.EXE

Drops file in Program Files directory 4 IoCs

Processes:

Explorer.EXEipconfig.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Ynrmhqbm\k6q4cbytuj.exe	Explorer.EXE
File opened for modification	C:\Program Files (x86)\Ynrmhqbm\k6q4cbytuj.exe	ipconfig.exe
File opened for modification	C:\Program Files (x86)\Ynrmhqbm	Explorer.EXE
File created	C:\Program Files (x86)\Ynrmhqbm\k6q4cbytuj.exe	Explorer.EXE

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exe

pid process

4996 ipconfig.exe

pid	process
4996	ipconfig.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

ipconfig.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 50 IoCs

Processes:

SHIPPING DOC.exeSHIPPING DOC.exeipconfig.exe

pid	process
1228	SHIPPING DOC.exe
1228	SHIPPING DOC.exe
4468	SHIPPING DOC.exe
4468	SHIPPING DOC.exe
4468	SHIPPING DOC.exe
4468	SHIPPING DOC.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2712 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

SHIPPING DOC.exeipconfig.exe

pid process

4468 SHIPPING DOC.exe
4468 SHIPPING DOC.exe
4468 SHIPPING DOC.exe
4996 ipconfig.exe
4996 ipconfig.exe
4996 ipconfig.exe
4996 ipconfig.exe

pid	process
2712	Explorer.EXE

pid	process
4468	SHIPPING DOC.exe
4468	SHIPPING DOC.exe
4468	SHIPPING DOC.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe
4996	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

SHIPPING DOC.exeSHIPPING DOC.exeipconfig.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1228	SHIPPING DOC.exe
Token: SeDebugPrivilege	4468	SHIPPING DOC.exe
Token: SeDebugPrivilege	4996	ipconfig.exe
Token: SeShutdownPrivilege	2712	Explorer.EXE
Token: SeCreatePagefilePrivilege	2712	Explorer.EXE

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

SHIPPING DOC.exeExplorer.EXEipconfig.exe

description	pid	process	target process
PID 1228 wrote to memory of 3672	1228	SHIPPING DOC.exe	SHIPPING DOC.exe
PID 1228 wrote to memory of 3672	1228	SHIPPING DOC.exe	SHIPPING DOC.exe
PID 1228 wrote to memory of 3672	1228	SHIPPING DOC.exe	SHIPPING DOC.exe
PID 1228 wrote to memory of 4468	1228	SHIPPING DOC.exe	SHIPPING DOC.exe
PID 1228 wrote to memory of 4468	1228	SHIPPING DOC.exe	SHIPPING DOC.exe
PID 1228 wrote to memory of 4468	1228	SHIPPING DOC.exe	SHIPPING DOC.exe
PID 1228 wrote to memory of 4468	1228	SHIPPING DOC.exe	SHIPPING DOC.exe
PID 1228 wrote to memory of 4468	1228	SHIPPING DOC.exe	SHIPPING DOC.exe
PID 1228 wrote to memory of 4468	1228	SHIPPING DOC.exe	SHIPPING DOC.exe
PID 2712 wrote to memory of 4996	2712	Explorer.EXE	ipconfig.exe
PID 2712 wrote to memory of 4996	2712	Explorer.EXE	ipconfig.exe
PID 2712 wrote to memory of 4996	2712	Explorer.EXE	ipconfig.exe
PID 4996 wrote to memory of 1420	4996	ipconfig.exe	cmd.exe
PID 4996 wrote to memory of 1420	4996	ipconfig.exe	cmd.exe
PID 4996 wrote to memory of 1420	4996	ipconfig.exe	cmd.exe
PID 4996 wrote to memory of 4884	4996	ipconfig.exe	cmd.exe
PID 4996 wrote to memory of 4884	4996	ipconfig.exe	cmd.exe
PID 4996 wrote to memory of 4884	4996	ipconfig.exe	cmd.exe
PID 4996 wrote to memory of 1276	4996	ipconfig.exe	cmd.exe
PID 4996 wrote to memory of 1276	4996	ipconfig.exe	cmd.exe
PID 4996 wrote to memory of 1276	4996	ipconfig.exe	cmd.exe
PID 4996 wrote to memory of 3736	4996	ipconfig.exe	Firefox.exe
PID 4996 wrote to memory of 3736	4996	ipconfig.exe	Firefox.exe
PID 4996 wrote to memory of 3736	4996	ipconfig.exe	Firefox.exe
PID 2712 wrote to memory of 3708	2712	Explorer.EXE	k6q4cbytuj.exe
PID 2712 wrote to memory of 3708	2712	Explorer.EXE	k6q4cbytuj.exe
PID 2712 wrote to memory of 3708	2712	Explorer.EXE	k6q4cbytuj.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 WriteProcessMemory
PID:2712

C:\Users\Admin\AppData\Local\Temp\SHIPPING DOC.exe
"C:\Users\Admin\AppData\Local\Temp\SHIPPING DOC.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1228

C:\Users\Admin\AppData\Local\Temp\SHIPPING DOC.exe
"{path}"
3⤵
PID:3672

C:\Users\Admin\AppData\Local\Temp\SHIPPING DOC.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4468

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\SysWOW64\ipconfig.exe"
2⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Gathers network information
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4996

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOC.exe"
3⤵
PID:1420

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:4884

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:1276

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:3736

C:\Program Files (x86)\Ynrmhqbm\k6q4cbytuj.exe
"C:\Program Files (x86)\Ynrmhqbm\k6q4cbytuj.exe"
2⤵
- Executes dropped EXE
PID:3708

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

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

Exfiltration

Command and Control

Impact

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Downloads

C:\Program Files (x86)\Ynrmhqbm\k6q4cbytuj.exe
Filesize
552KB

MD5
f9a9d7132aec30df35492673996222bb

SHA1
1abc89b60339bdc3cf9db2b6a626b736d7077882

SHA256
461f96a4dac8f3ba5bacb38052c61bf74088dd0eafa458b8789494b343736fc7

SHA512
6d9e7708b983aedd36bf1ab8fc2dba4a7bf31d01de63ccf921ab7fd77dd6ce20933c192578257da2c5c0398165ff0fbfbd414bfcc81cd5f1ec546713c5be2fba

Download Submit
C:\Program Files (x86)\Ynrmhqbm\k6q4cbytuj.exe
Filesize
552KB

MD5
f9a9d7132aec30df35492673996222bb

SHA1
1abc89b60339bdc3cf9db2b6a626b736d7077882

SHA256
461f96a4dac8f3ba5bacb38052c61bf74088dd0eafa458b8789494b343736fc7

SHA512
6d9e7708b983aedd36bf1ab8fc2dba4a7bf31d01de63ccf921ab7fd77dd6ce20933c192578257da2c5c0398165ff0fbfbd414bfcc81cd5f1ec546713c5be2fba

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/1228-131-0x00000000058A0000-0x0000000005E44000-memory.dmp

Filesize
5.6MB

Download
memory/1228-132-0x0000000005390000-0x0000000005422000-memory.dmp

Filesize
584KB

Download
memory/1228-133-0x0000000005430000-0x00000000054CC000-memory.dmp

Filesize
624KB

Download
memory/1228-134-0x0000000005350000-0x000000000535A000-memory.dmp

Filesize
40KB

Download
memory/1228-130-0x0000000000930000-0x00000000009C0000-memory.dmp

Filesize
576KB

Download
memory/1276-154-0x0000000000000000-mapping.dmp

Download
memory/1420-144-0x0000000000000000-mapping.dmp

Download
memory/2712-141-0x0000000008BA0000-0x0000000008D35000-memory.dmp

Filesize
1.6MB

Download
memory/2712-149-0x00000000087B0000-0x0000000008925000-memory.dmp

Filesize
1.5MB

Download
memory/2712-151-0x00000000087B0000-0x0000000008925000-memory.dmp

Filesize
1.5MB

Download
memory/3672-135-0x0000000000000000-mapping.dmp

Download
memory/3708-156-0x0000000000000000-mapping.dmp

Download
memory/4468-143-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4468-140-0x00000000015F0000-0x0000000001601000-memory.dmp

Filesize
68KB

Download
memory/4468-139-0x0000000001650000-0x000000000199A000-memory.dmp

Filesize
3.3MB

Download
memory/4468-137-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/4468-136-0x0000000000000000-mapping.dmp

Download
memory/4884-152-0x0000000000000000-mapping.dmp

Download
memory/4996-150-0x0000000001250000-0x000000000127B000-memory.dmp

Filesize
172KB

Download
memory/4996-148-0x0000000001880000-0x0000000001910000-memory.dmp

Filesize
576KB

Download
memory/4996-147-0x0000000001A50000-0x0000000001D9A000-memory.dmp

Filesize
3.3MB

Download
memory/4996-146-0x0000000001250000-0x000000000127B000-memory.dmp

Filesize
172KB

Download
memory/4996-145-0x00000000008D0000-0x00000000008DB000-memory.dmp

Filesize
44KB

Download
memory/4996-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads