formbook | 23a38a6f4f071442244e32033a1672cbe57ef0296bac9a3514cde315e417f632

General

Target

shipping docs.exe
Size

596KB
MD5

ee97e8134d2d81d1b0496cdc9a47e20a
SHA1

b55593f9448acf6cd5dde7e5635194ff042c289f
SHA256

23a38a6f4f071442244e32033a1672cbe57ef0296bac9a3514cde315e417f632
SHA512

cc52daed4f05abe7d9cd8900e23b97b57070abb8e15e34c4b6897350966e97905349c97edfca5bebdbbb4c9fb7331721dc3947d15e33c15ae8f482cd01f4259b

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/3432-136-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/3432-142-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral2/memory/540-144-0x00000000006F0000-0x000000000071B000-memory.dmp	xloader
behavioral2/memory/540-149-0x00000000006F0000-0x000000000071B000-memory.dmp	xloader

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTZDTXOHQZ = "C:\\Program Files (x86)\\Ocnul\\vgauhlxg.exe"	svchost.exe
Key created	\Registry\Machine\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	svchost.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

shipping docs.exeshipping docs.exesvchost.exe

description	pid	process	target process
PID 3792 set thread context of 3432	3792	shipping docs.exe	shipping docs.exe
PID 3432 set thread context of 1880	3432	shipping docs.exe	Explorer.EXE
PID 540 set thread context of 1880	540	svchost.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

svchost.exe

description ioc process

File opened for modification C:\Program Files (x86)\Ocnul\vgauhlxg.exe svchost.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Ocnul\vgauhlxg.exe	svchost.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

svchost.exe

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

Modifies registry class 3 IoCs

Processes:

Explorer.EXE

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 49 IoCs

Processes:

shipping docs.exeshipping docs.exesvchost.exe

pid	process
3792	shipping docs.exe
3792	shipping docs.exe
3792	shipping docs.exe
3432	shipping docs.exe
3432	shipping docs.exe
3432	shipping docs.exe
3432	shipping docs.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1880 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

shipping docs.exesvchost.exe

pid process

3432 shipping docs.exe
3432 shipping docs.exe
3432 shipping docs.exe
540 svchost.exe
540 svchost.exe
540 svchost.exe
540 svchost.exe

pid	process
1880	Explorer.EXE

pid	process
3432	shipping docs.exe
3432	shipping docs.exe
3432	shipping docs.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe
540	svchost.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

Processes:

shipping docs.exeshipping docs.exeExplorer.EXEsvchost.exe

description	pid	process
Token: SeDebugPrivilege	3792	shipping docs.exe
Token: SeDebugPrivilege	3432	shipping docs.exe
Token: SeShutdownPrivilege	1880	Explorer.EXE
Token: SeCreatePagefilePrivilege	1880	Explorer.EXE
Token: SeShutdownPrivilege	1880	Explorer.EXE
Token: SeCreatePagefilePrivilege	1880	Explorer.EXE
Token: SeDebugPrivilege	540	svchost.exe
Token: SeShutdownPrivilege	1880	Explorer.EXE
Token: SeCreatePagefilePrivilege	1880	Explorer.EXE
Token: SeShutdownPrivilege	1880	Explorer.EXE
Token: SeCreatePagefilePrivilege	1880	Explorer.EXE
Token: SeShutdownPrivilege	1880	Explorer.EXE
Token: SeCreatePagefilePrivilege	1880	Explorer.EXE
Token: SeShutdownPrivilege	1880	Explorer.EXE
Token: SeCreatePagefilePrivilege	1880	Explorer.EXE
Token: SeShutdownPrivilege	1880	Explorer.EXE
Token: SeCreatePagefilePrivilege	1880	Explorer.EXE
Token: SeShutdownPrivilege	1880	Explorer.EXE
Token: SeCreatePagefilePrivilege	1880	Explorer.EXE
Token: SeShutdownPrivilege	1880	Explorer.EXE
Token: SeCreatePagefilePrivilege	1880	Explorer.EXE
Token: SeShutdownPrivilege	1880	Explorer.EXE
Token: SeCreatePagefilePrivilege	1880	Explorer.EXE
Token: SeShutdownPrivilege	1880	Explorer.EXE
Token: SeCreatePagefilePrivilege	1880	Explorer.EXE
Token: SeShutdownPrivilege	1880	Explorer.EXE
Token: SeCreatePagefilePrivilege	1880	Explorer.EXE
Token: SeShutdownPrivilege	1880	Explorer.EXE
Token: SeCreatePagefilePrivilege	1880	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1880 Explorer.EXE
1880 Explorer.EXE

pid	process
1880	Explorer.EXE
1880	Explorer.EXE

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

shipping docs.exeExplorer.EXEsvchost.exe

description	pid	process	target process
PID 3792 wrote to memory of 3432	3792	shipping docs.exe	shipping docs.exe
PID 3792 wrote to memory of 3432	3792	shipping docs.exe	shipping docs.exe
PID 3792 wrote to memory of 3432	3792	shipping docs.exe	shipping docs.exe
PID 3792 wrote to memory of 3432	3792	shipping docs.exe	shipping docs.exe
PID 3792 wrote to memory of 3432	3792	shipping docs.exe	shipping docs.exe
PID 3792 wrote to memory of 3432	3792	shipping docs.exe	shipping docs.exe
PID 1880 wrote to memory of 540	1880	Explorer.EXE	svchost.exe
PID 1880 wrote to memory of 540	1880	Explorer.EXE	svchost.exe
PID 1880 wrote to memory of 540	1880	Explorer.EXE	svchost.exe
PID 540 wrote to memory of 2904	540	svchost.exe	cmd.exe
PID 540 wrote to memory of 2904	540	svchost.exe	cmd.exe
PID 540 wrote to memory of 2904	540	svchost.exe	cmd.exe
PID 540 wrote to memory of 2320	540	svchost.exe	cmd.exe
PID 540 wrote to memory of 2320	540	svchost.exe	cmd.exe
PID 540 wrote to memory of 2320	540	svchost.exe	cmd.exe
PID 540 wrote to memory of 1620	540	svchost.exe	cmd.exe
PID 540 wrote to memory of 1620	540	svchost.exe	cmd.exe
PID 540 wrote to memory of 1620	540	svchost.exe	cmd.exe
PID 540 wrote to memory of 2872	540	svchost.exe	Firefox.exe
PID 540 wrote to memory of 2872	540	svchost.exe	Firefox.exe
PID 540 wrote to memory of 2872	540	svchost.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:1880

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:3792

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:3432

C:\Windows\SysWOW64\svchost.exe
"C:\Windows\SysWOW64\svchost.exe"
2⤵
- 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:540

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\shipping docs.exe"
3⤵
PID:2904

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:2320

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:1620

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:2872

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

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Downloads

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/540-149-0x00000000006F0000-0x000000000071B000-memory.dmp

Filesize
172KB

Download
memory/540-141-0x0000000000000000-mapping.dmp

Download
memory/540-143-0x0000000000600000-0x000000000060E000-memory.dmp

Filesize
56KB

Download
memory/540-147-0x0000000001000000-0x0000000001090000-memory.dmp

Filesize
576KB

Download
memory/540-146-0x0000000001100000-0x000000000144A000-memory.dmp

Filesize
3.3MB

Download
memory/540-144-0x00000000006F0000-0x000000000071B000-memory.dmp

Filesize
172KB

Download
memory/1620-153-0x0000000000000000-mapping.dmp

Download
memory/1880-148-0x0000000003270000-0x0000000003307000-memory.dmp

Filesize
604KB

Download
memory/1880-150-0x0000000003270000-0x0000000003307000-memory.dmp

Filesize
604KB

Download
memory/1880-140-0x00000000086A0000-0x00000000087FA000-memory.dmp

Filesize
1.4MB

Download
memory/2320-151-0x0000000000000000-mapping.dmp

Download
memory/2904-145-0x0000000000000000-mapping.dmp

Download
memory/3432-138-0x0000000001950000-0x0000000001C9A000-memory.dmp

Filesize
3.3MB

Download
memory/3432-142-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3432-139-0x0000000001930000-0x0000000001941000-memory.dmp

Filesize
68KB

Download
memory/3432-136-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/3432-135-0x0000000000000000-mapping.dmp

Download
memory/3792-134-0x0000000004F70000-0x0000000004F7A000-memory.dmp

Filesize
40KB

Download
memory/3792-130-0x00000000002C0000-0x000000000035C000-memory.dmp

Filesize
624KB

Download
memory/3792-132-0x0000000005130000-0x00000000051C2000-memory.dmp

Filesize
584KB

Download
memory/3792-133-0x00000000051D0000-0x000000000526C000-memory.dmp

Filesize
624KB

Download
memory/3792-131-0x00000000055E0000-0x0000000005B84000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads