formbook | 8edf8a8b1972c8dd05a960b7a79a7a87c8977b69b700ab9db28bab9207b8b267

General

Target

New purchase Order.exe
Size

477KB
MD5

dd481272bd8f9e8ca40868e4a90db854
SHA1

8871b4d7173d89b539aa1b3e91139cb4c0ce744e
SHA256

8edf8a8b1972c8dd05a960b7a79a7a87c8977b69b700ab9db28bab9207b8b267
SHA512

168ed59d8f6edd7b37b44441480e59fdef67beb35487974aec59aa36852407c75d5537532f6cd0104327516fd2e0359fadb6fe56a8def782864413df341761a8

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2016-64-0x0000000000400000-0x000000000042B000-memory.dmp	xloader
behavioral1/memory/2016-65-0x000000000041F2C0-mapping.dmp	xloader
behavioral1/memory/648-73-0x00000000000C0000-0x00000000000EB000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1692 cmd.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
1692	cmd.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

cmd.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\AZTPZLIX = "C:\\Program Files (x86)\\Lbx44a\\configwptlwb.exe"	cmd.exe
Key created	\Registry\Machine\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

New purchase Order.exeNew purchase Order.execmd.exe

description	pid	process	target process
PID 1236 set thread context of 2016	1236	New purchase Order.exe	New purchase Order.exe
PID 2016 set thread context of 1204	2016	New purchase Order.exe	Explorer.EXE
PID 648 set thread context of 1204	648	cmd.exe	Explorer.EXE

Drops file in Program Files directory 1 IoCs

Processes:

cmd.exe

description ioc process

File opened for modification C:\Program Files (x86)\Lbx44a\configwptlwb.exe cmd.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1304 schtasks.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\Lbx44a\configwptlwb.exe	cmd.exe

pid	process
1304	schtasks.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

cmd.exe

description	ioc	process
Key created	\Registry\User\S-1-5-21-1819626980-2277161760-1023733287-1000\SOFTWARE\Microsoft\Internet Explorer\IntelliForms\Storage2	cmd.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

New purchase Order.exeNew purchase Order.execmd.exe

pid	process
1236	New purchase Order.exe
2016	New purchase Order.exe
2016	New purchase Order.exe
648	cmd.exe
648	cmd.exe
648	cmd.exe
648	cmd.exe
648	cmd.exe
648	cmd.exe
648	cmd.exe
648	cmd.exe
648	cmd.exe
648	cmd.exe
648	cmd.exe
648	cmd.exe
648	cmd.exe
648	cmd.exe
648	cmd.exe
648	cmd.exe
648	cmd.exe
648	cmd.exe
648	cmd.exe

Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

New purchase Order.execmd.exe

pid process

2016 New purchase Order.exe
2016 New purchase Order.exe
2016 New purchase Order.exe
648 cmd.exe
648 cmd.exe
648 cmd.exe
648 cmd.exe

pid	process
2016	New purchase Order.exe
2016	New purchase Order.exe
2016	New purchase Order.exe
648	cmd.exe
648	cmd.exe
648	cmd.exe
648	cmd.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

New purchase Order.exeNew purchase Order.execmd.exe

description	pid	process
Token: SeDebugPrivilege	1236	New purchase Order.exe
Token: SeDebugPrivilege	2016	New purchase Order.exe
Token: SeDebugPrivilege	648	cmd.exe

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
1204 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1204 Explorer.EXE
1204 Explorer.EXE

pid	process
1204	Explorer.EXE
1204	Explorer.EXE

pid	process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

New purchase Order.exeExplorer.EXEcmd.exe

description	pid	process	target process
PID 1236 wrote to memory of 1304	1236	New purchase Order.exe	schtasks.exe
PID 1236 wrote to memory of 1304	1236	New purchase Order.exe	schtasks.exe
PID 1236 wrote to memory of 1304	1236	New purchase Order.exe	schtasks.exe
PID 1236 wrote to memory of 1304	1236	New purchase Order.exe	schtasks.exe
PID 1236 wrote to memory of 2016	1236	New purchase Order.exe	New purchase Order.exe
PID 1236 wrote to memory of 2016	1236	New purchase Order.exe	New purchase Order.exe
PID 1236 wrote to memory of 2016	1236	New purchase Order.exe	New purchase Order.exe
PID 1236 wrote to memory of 2016	1236	New purchase Order.exe	New purchase Order.exe
PID 1236 wrote to memory of 2016	1236	New purchase Order.exe	New purchase Order.exe
PID 1236 wrote to memory of 2016	1236	New purchase Order.exe	New purchase Order.exe
PID 1236 wrote to memory of 2016	1236	New purchase Order.exe	New purchase Order.exe
PID 1204 wrote to memory of 648	1204	Explorer.EXE	cmd.exe
PID 1204 wrote to memory of 648	1204	Explorer.EXE	cmd.exe
PID 1204 wrote to memory of 648	1204	Explorer.EXE	cmd.exe
PID 1204 wrote to memory of 648	1204	Explorer.EXE	cmd.exe
PID 648 wrote to memory of 1692	648	cmd.exe	cmd.exe
PID 648 wrote to memory of 1692	648	cmd.exe	cmd.exe
PID 648 wrote to memory of 1692	648	cmd.exe	cmd.exe
PID 648 wrote to memory of 1692	648	cmd.exe	cmd.exe
PID 648 wrote to memory of 1056	648	cmd.exe	Firefox.exe
PID 648 wrote to memory of 1056	648	cmd.exe	Firefox.exe
PID 648 wrote to memory of 1056	648	cmd.exe	Firefox.exe
PID 648 wrote to memory of 1056	648	cmd.exe	Firefox.exe
PID 648 wrote to memory of 1056	648	cmd.exe	Firefox.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1204

C:\Users\Admin\AppData\Local\Temp\New purchase Order.exe
"C:\Users\Admin\AppData\Local\Temp\New purchase Order.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1236

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NADfrJFSUbwNu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp761B.tmp"
3⤵
- Creates scheduled task(s)
PID:1304

C:\Users\Admin\AppData\Local\Temp\New purchase Order.exe
"{path}"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2016

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\SysWOW64\cmd.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:648

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\New purchase Order.exe"
3⤵
- Deletes itself
PID:1692

C:\Program Files\Mozilla Firefox\Firefox.exe
"C:\Program Files\Mozilla Firefox\Firefox.exe"
3⤵
PID:1056

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

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:\Users\Admin\AppData\Local\Temp\tmp761B.tmp
Filesize
1KB

MD5
32ad8483a2b5062677bdb04629419af1

SHA1
33f41c1919ad11fb525d79e5403db2c7b4850928

SHA256
857b1c4d1713f4726f1cac29537aae25d6a11030d2965eb2f16c5913f05ef928

SHA512
a08ae4b7892ee71ca5cee45584aa436498513310e25fb54a70a05ed0c5bb5c08d2c411c0e489cf3bbe1bf4e6a9fdcdb3243f303c968944e7fc843b3280fd0ab1

Download Submit
memory/648-74-0x0000000001F80000-0x0000000002283000-memory.dmp

Filesize
3.0MB

Download
memory/648-75-0x0000000001CB0000-0x0000000001D40000-memory.dmp

Filesize
576KB

Download
memory/648-70-0x0000000000000000-mapping.dmp

Download
memory/648-73-0x00000000000C0000-0x00000000000EB000-memory.dmp

Filesize
172KB

Download
memory/648-72-0x000000004AC20000-0x000000004AC6C000-memory.dmp

Filesize
304KB

Download
memory/1204-76-0x0000000006700000-0x0000000006873000-memory.dmp

Filesize
1.4MB

Download
memory/1204-69-0x0000000004AE0000-0x0000000004C46000-memory.dmp

Filesize
1.4MB

Download
memory/1236-56-0x00000000002B0000-0x00000000002BA000-memory.dmp

Filesize
40KB

Download
memory/1236-57-0x0000000005C30000-0x0000000005CB2000-memory.dmp

Filesize
520KB

Download
memory/1236-58-0x0000000000860000-0x0000000000892000-memory.dmp

Filesize
200KB

Download
memory/1236-55-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

Filesize
8KB

Download
memory/1236-54-0x00000000001F0000-0x000000000026E000-memory.dmp

Filesize
504KB

Download
memory/1304-59-0x0000000000000000-mapping.dmp

Download
memory/1692-71-0x0000000000000000-mapping.dmp

Download
memory/2016-68-0x00000000001A0000-0x00000000001B1000-memory.dmp

Filesize
68KB

Download
memory/2016-67-0x0000000000910000-0x0000000000C13000-memory.dmp

Filesize
3.0MB

Download
memory/2016-65-0x000000000041F2C0-mapping.dmp

Download
memory/2016-64-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2016-62-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download
memory/2016-61-0x0000000000400000-0x000000000042B000-memory.dmp

Filesize
172KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads