xloader | 6934dc8f453b1832dc1a7579a1b3888a1e7e4a7ab19f30fe975bbed018388ace

General

Target

vbc.exe
Size

553KB
MD5

4add727d1541102e34e167c689892d98
SHA1

368ef2217b4146efb0f2154900628c6e374828e8
SHA256

6934dc8f453b1832dc1a7579a1b3888a1e7e4a7ab19f30fe975bbed018388ace
SHA512

2fdc3db9cd0dad7fa365603060dc5da1b9a5708aa619c7c5b174c3a659d1e1c3bb0a18b124983a5204b84b80d0a80afc67058a6c241cfe45b85b504d0ab55e42

Score

10^/10

xloader r87g loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

r87g

Decoy

gzjyjzsj.com

rapibest.com

affordablebathroomsbyfrank.net

roboruben.com

xn--dlisucr-byag.com

encoreasso.com

piscire.com

dixiebusybee.com

newrome.xyz

sunshinejon.com

glacierforfcs.xyz

borhanmarket.com

tous-des-cons.club

hsfstea.com

spiniform.info

vaicomfibra.com

shinigami.xyz

kryptoindia.com

listentoappetite.com

securepplpay.com

Signatures

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 6 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/652-66-0x000000000041D480-mapping.dmp	xloader
behavioral1/memory/652-65-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/652-70-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/652-78-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1056-81-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader
behavioral1/memory/1056-86-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1212 cmd.exe
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

pid	process
1212	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

vbc.exevbc.execmmon32.exe

description	pid	process	target process
PID 1524 set thread context of 652	1524	vbc.exe	vbc.exe
PID 652 set thread context of 1268	652	vbc.exe	Explorer.EXE
PID 652 set thread context of 1268	652	vbc.exe	Explorer.EXE
PID 1056 set thread context of 1268	1056	cmmon32.exe	Explorer.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

1716 schtasks.exe

pid	process
1716	schtasks.exe

Suspicious behavior: EnumeratesProcesses 15 IoCs

Processes:

vbc.exepowershell.execmmon32.exe

pid	process
652	vbc.exe
652	vbc.exe
2036	powershell.exe
652	vbc.exe
1056	cmmon32.exe
1056	cmmon32.exe
1056	cmmon32.exe
1056	cmmon32.exe
1056	cmmon32.exe
1056	cmmon32.exe
1056	cmmon32.exe
1056	cmmon32.exe
1056	cmmon32.exe
1056	cmmon32.exe
1056	cmmon32.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

vbc.execmmon32.exe

pid process

652 vbc.exe
652 vbc.exe
652 vbc.exe
652 vbc.exe
1056 cmmon32.exe
1056 cmmon32.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

vbc.exepowershell.execmmon32.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	652	vbc.exe
Token: SeDebugPrivilege	2036	powershell.exe
Token: SeDebugPrivilege	1056	cmmon32.exe
Token: SeShutdownPrivilege	1268	Explorer.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
1268 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1268 Explorer.EXE
1268 Explorer.EXE

pid	process
1268	Explorer.EXE
1268	Explorer.EXE

pid	process
1268	Explorer.EXE
1268	Explorer.EXE

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

vbc.exevbc.execmmon32.exe

description	pid	process	target process
PID 1524 wrote to memory of 2036	1524	vbc.exe	powershell.exe
PID 1524 wrote to memory of 2036	1524	vbc.exe	powershell.exe
PID 1524 wrote to memory of 2036	1524	vbc.exe	powershell.exe
PID 1524 wrote to memory of 2036	1524	vbc.exe	powershell.exe
PID 1524 wrote to memory of 1716	1524	vbc.exe	schtasks.exe
PID 1524 wrote to memory of 1716	1524	vbc.exe	schtasks.exe
PID 1524 wrote to memory of 1716	1524	vbc.exe	schtasks.exe
PID 1524 wrote to memory of 1716	1524	vbc.exe	schtasks.exe
PID 1524 wrote to memory of 652	1524	vbc.exe	vbc.exe
PID 1524 wrote to memory of 652	1524	vbc.exe	vbc.exe
PID 1524 wrote to memory of 652	1524	vbc.exe	vbc.exe
PID 1524 wrote to memory of 652	1524	vbc.exe	vbc.exe
PID 1524 wrote to memory of 652	1524	vbc.exe	vbc.exe
PID 1524 wrote to memory of 652	1524	vbc.exe	vbc.exe
PID 1524 wrote to memory of 652	1524	vbc.exe	vbc.exe
PID 652 wrote to memory of 1056	652	vbc.exe	cmmon32.exe
PID 652 wrote to memory of 1056	652	vbc.exe	cmmon32.exe
PID 652 wrote to memory of 1056	652	vbc.exe	cmmon32.exe
PID 652 wrote to memory of 1056	652	vbc.exe	cmmon32.exe
PID 1056 wrote to memory of 1212	1056	cmmon32.exe	cmd.exe
PID 1056 wrote to memory of 1212	1056	cmmon32.exe	cmd.exe
PID 1056 wrote to memory of 1212	1056	cmmon32.exe	cmd.exe
PID 1056 wrote to memory of 1212	1056	cmmon32.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1524

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KFxbvgsVn.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2036

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KFxbvgsVn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp39F5.tmp"
2⤵
- Creates scheduled task(s)
PID:1716

C:\Users\Admin\AppData\Local\Temp\vbc.exe
"C:\Users\Admin\AppData\Local\Temp\vbc.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:652

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1056

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\vbc.exe"
4⤵
- Deletes itself
PID:1212

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1268

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Scripting

1

T1064

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp39F5.tmp
Filesize
1KB

MD5
69773f594db0fefddec04396dc0314c0

SHA1
57827c53b1edc676d2477c8af3f07dedc74e45da

SHA256
125360c27eb30928f0d80f1cac7c169050076d6b7accceca45074856139fe910

SHA512
b4bc4b00c902aac740e24799f8c1cafdcb8ccec45c534c38540cc9b898ed28c1cbf93e0f554521a229af23f222608a923e65e95a68707c017a6266e270336746

Download Submit
memory/652-70-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/652-65-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/652-78-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/652-69-0x0000000000910000-0x0000000000C13000-memory.dmp

Filesize
3.0MB

Download
memory/652-74-0x00000000001D0000-0x00000000001E1000-memory.dmp

Filesize
68KB

Download
memory/652-71-0x0000000000190000-0x00000000001A1000-memory.dmp

Filesize
68KB

Download
memory/652-62-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/652-63-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/652-66-0x000000000041D480-mapping.dmp

Download
memory/1056-82-0x0000000002030000-0x0000000002333000-memory.dmp

Filesize
3.0MB

Download
memory/1056-80-0x0000000000480000-0x000000000048D000-memory.dmp

Filesize
52KB

Download
memory/1056-86-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1056-84-0x0000000001D60000-0x0000000001DF0000-memory.dmp

Filesize
576KB

Download
memory/1056-81-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1056-77-0x0000000000000000-mapping.dmp

Download
memory/1212-79-0x0000000000000000-mapping.dmp

Download
memory/1268-75-0x0000000004370000-0x000000000441C000-memory.dmp

Filesize
688KB

Download
memory/1268-87-0x00000000067F0000-0x0000000006927000-memory.dmp

Filesize
1.2MB

Download
memory/1268-85-0x00000000067F0000-0x0000000006927000-memory.dmp

Filesize
1.2MB

Download
memory/1268-83-0x0000000004370000-0x000000000441C000-memory.dmp

Filesize
688KB

Download
memory/1268-72-0x0000000004E30000-0x0000000004FBE000-memory.dmp

Filesize
1.6MB

Download
memory/1524-56-0x0000000075000000-0x00000000755AB000-memory.dmp

Filesize
5.7MB

Download
memory/1524-67-0x0000000075000000-0x00000000755AB000-memory.dmp

Filesize
5.7MB

Download
memory/1524-55-0x0000000075000000-0x00000000755AB000-memory.dmp

Filesize
5.7MB

Download
memory/1524-54-0x0000000076851000-0x0000000076853000-memory.dmp

Filesize
8KB

Download
memory/1716-59-0x0000000000000000-mapping.dmp

Download
memory/2036-76-0x0000000075000000-0x00000000755AB000-memory.dmp

Filesize
5.7MB

Download
memory/2036-57-0x0000000000000000-mapping.dmp

Download
memory/2036-61-0x0000000075000000-0x00000000755AB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads