xloader | 438844112d1161774efd0548c7398ead40d3b61423b9c0329d994dc54a681bde

General

Target

BBVVCCVVB.exe
Size

369KB
MD5

9f25378bad3a8189597a5f9d420ef70f
SHA1

b1202753b1a774249983ac1bca0f1f131c89b6af
SHA256

438844112d1161774efd0548c7398ead40d3b61423b9c0329d994dc54a681bde
SHA512

780f291fc285af9c24798b07fd17fd975b5a257170227e313c0ece8d7cc2e461be0f5bc22554f01caca2e0fab83d6e8e45c94cef455189c40e124a3946384e4c

Score

10^/10

xloader be4o loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

be4o

Decoy

neonewway.club

kuanghong.club

7bkj.com

ooo-club.com

kamchatka-agency.com

sjsndtvitzru.mobi

noireimpactcollective.net

justbe-event.com

easypeasy.community

southcoast.glass

janhenningsen.com

jmxyjj.com

tarihibilet.com

nagradi7.com

percentrostered.net

certvaxid.com

kingseafoodsydney.com

blacksheepwalk.com

waktuk.com

inteligenciaenrefrigeracion.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/880-60-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/880-65-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1984-70-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

Processes:

BBVVCCVVB.exeaspnet_compiler.exemstsc.exe

description	pid	process	target process
PID 1628 set thread context of 880	1628	BBVVCCVVB.exe	aspnet_compiler.exe
PID 880 set thread context of 1400	880	aspnet_compiler.exe	Explorer.EXE
PID 880 set thread context of 1400	880	aspnet_compiler.exe	Explorer.EXE
PID 1984 set thread context of 1400	1984	mstsc.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

aspnet_compiler.exemstsc.exe

pid	process
880	aspnet_compiler.exe
880	aspnet_compiler.exe
880	aspnet_compiler.exe
1984	mstsc.exe
1984	mstsc.exe
1984	mstsc.exe
1984	mstsc.exe
1984	mstsc.exe
1984	mstsc.exe
1984	mstsc.exe
1984	mstsc.exe
1984	mstsc.exe
1984	mstsc.exe
1984	mstsc.exe
1984	mstsc.exe
1984	mstsc.exe
1984	mstsc.exe
1984	mstsc.exe
1984	mstsc.exe
1984	mstsc.exe
1984	mstsc.exe
1984	mstsc.exe
1984	mstsc.exe
1984	mstsc.exe
1984	mstsc.exe
1984	mstsc.exe
1984	mstsc.exe
1984	mstsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1400 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

aspnet_compiler.exemstsc.exe

pid process

880 aspnet_compiler.exe
880 aspnet_compiler.exe
880 aspnet_compiler.exe
880 aspnet_compiler.exe
1984 mstsc.exe
1984 mstsc.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

BBVVCCVVB.exeaspnet_compiler.exemstsc.exe

description pid process

Token: SeDebugPrivilege 1628 BBVVCCVVB.exe
Token: SeDebugPrivilege 880 aspnet_compiler.exe
Token: SeDebugPrivilege 1984 mstsc.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1400 Explorer.EXE
1400 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1400 Explorer.EXE
1400 Explorer.EXE

pid	process
1400	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1628	BBVVCCVVB.exe
Token: SeDebugPrivilege	880	aspnet_compiler.exe
Token: SeDebugPrivilege	1984	mstsc.exe

pid	process
1400	Explorer.EXE
1400	Explorer.EXE

pid	process
1400	Explorer.EXE
1400	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

BBVVCCVVB.exeExplorer.EXEmstsc.exe

description	pid	process	target process
PID 1628 wrote to memory of 880	1628	BBVVCCVVB.exe	aspnet_compiler.exe
PID 1628 wrote to memory of 880	1628	BBVVCCVVB.exe	aspnet_compiler.exe
PID 1628 wrote to memory of 880	1628	BBVVCCVVB.exe	aspnet_compiler.exe
PID 1628 wrote to memory of 880	1628	BBVVCCVVB.exe	aspnet_compiler.exe
PID 1628 wrote to memory of 880	1628	BBVVCCVVB.exe	aspnet_compiler.exe
PID 1628 wrote to memory of 880	1628	BBVVCCVVB.exe	aspnet_compiler.exe
PID 1628 wrote to memory of 880	1628	BBVVCCVVB.exe	aspnet_compiler.exe
PID 1400 wrote to memory of 1984	1400	Explorer.EXE	mstsc.exe
PID 1400 wrote to memory of 1984	1400	Explorer.EXE	mstsc.exe
PID 1400 wrote to memory of 1984	1400	Explorer.EXE	mstsc.exe
PID 1400 wrote to memory of 1984	1400	Explorer.EXE	mstsc.exe
PID 1984 wrote to memory of 1192	1984	mstsc.exe	cmd.exe
PID 1984 wrote to memory of 1192	1984	mstsc.exe	cmd.exe
PID 1984 wrote to memory of 1192	1984	mstsc.exe	cmd.exe
PID 1984 wrote to memory of 1192	1984	mstsc.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1400

C:\Users\Admin\AppData\Local\Temp\BBVVCCVVB.exe
"C:\Users\Admin\AppData\Local\Temp\BBVVCCVVB.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1628

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:880

C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1984

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
3⤵
PID:1192

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/880-63-0x00000000001B0000-0x00000000001C1000-memory.dmp

Filesize
68KB

Download
memory/880-66-0x00000000001F0000-0x0000000000201000-memory.dmp

Filesize
68KB

Download
memory/880-65-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/880-58-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/880-59-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/880-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/880-62-0x00000000008A0000-0x0000000000BA3000-memory.dmp

Filesize
3.0MB

Download
memory/1400-64-0x00000000071E0000-0x000000000736D000-memory.dmp

Filesize
1.6MB

Download
memory/1400-67-0x0000000004C10000-0x0000000004CFA000-memory.dmp

Filesize
936KB

Download
memory/1400-73-0x0000000008FA0000-0x0000000009116000-memory.dmp

Filesize
1.5MB

Download
memory/1628-55-0x000000013F880000-0x000000013F8E0000-memory.dmp

Filesize
384KB

Download
memory/1628-57-0x00000000008C0000-0x00000000008CE000-memory.dmp

Filesize
56KB

Download
memory/1628-56-0x000000001BB50000-0x000000001BB52000-memory.dmp

Filesize
8KB

Download
memory/1984-68-0x0000000076B81000-0x0000000076B83000-memory.dmp

Filesize
8KB

Download
memory/1984-69-0x0000000000D90000-0x0000000000E94000-memory.dmp

Filesize
1.0MB

Download
memory/1984-71-0x00000000022A0000-0x00000000025A3000-memory.dmp

Filesize
3.0MB

Download
memory/1984-70-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1984-72-0x0000000000480000-0x0000000000ADC000-memory.dmp

Filesize
6.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads