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/568-59-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/568-64-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/436-68-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

Processes:

BBVVCCVVB.exeaspnet_compiler.execmmon32.exe

description	pid	process	target process
PID 980 set thread context of 568	980	BBVVCCVVB.exe	aspnet_compiler.exe
PID 568 set thread context of 1376	568	aspnet_compiler.exe	Explorer.EXE
PID 568 set thread context of 1376	568	aspnet_compiler.exe	Explorer.EXE
PID 436 set thread context of 1376	436	cmmon32.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 27 IoCs

Processes:

aspnet_compiler.execmmon32.exe

pid	process
568	aspnet_compiler.exe
568	aspnet_compiler.exe
568	aspnet_compiler.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe
436	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1376 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

aspnet_compiler.execmmon32.exe

pid process

568 aspnet_compiler.exe
568 aspnet_compiler.exe
568 aspnet_compiler.exe
568 aspnet_compiler.exe
436 cmmon32.exe
436 cmmon32.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

BBVVCCVVB.exeaspnet_compiler.execmmon32.exe

description pid process

Token: SeDebugPrivilege 980 BBVVCCVVB.exe
Token: SeDebugPrivilege 568 aspnet_compiler.exe
Token: SeDebugPrivilege 436 cmmon32.exe

pid	process
1376	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	980	BBVVCCVVB.exe
Token: SeDebugPrivilege	568	aspnet_compiler.exe
Token: SeDebugPrivilege	436	cmmon32.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

BBVVCCVVB.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 980 wrote to memory of 568	980	BBVVCCVVB.exe	aspnet_compiler.exe
PID 980 wrote to memory of 568	980	BBVVCCVVB.exe	aspnet_compiler.exe
PID 980 wrote to memory of 568	980	BBVVCCVVB.exe	aspnet_compiler.exe
PID 980 wrote to memory of 568	980	BBVVCCVVB.exe	aspnet_compiler.exe
PID 980 wrote to memory of 568	980	BBVVCCVVB.exe	aspnet_compiler.exe
PID 980 wrote to memory of 568	980	BBVVCCVVB.exe	aspnet_compiler.exe
PID 980 wrote to memory of 568	980	BBVVCCVVB.exe	aspnet_compiler.exe
PID 1376 wrote to memory of 436	1376	Explorer.EXE	cmmon32.exe
PID 1376 wrote to memory of 436	1376	Explorer.EXE	cmmon32.exe
PID 1376 wrote to memory of 436	1376	Explorer.EXE	cmmon32.exe
PID 1376 wrote to memory of 436	1376	Explorer.EXE	cmmon32.exe
PID 436 wrote to memory of 756	436	cmmon32.exe	cmd.exe
PID 436 wrote to memory of 756	436	cmmon32.exe	cmd.exe
PID 436 wrote to memory of 756	436	cmmon32.exe	cmd.exe
PID 436 wrote to memory of 756	436	cmmon32.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1376

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:980

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:568

C:\Windows\SysWOW64\autoconv.exe
"C:\Windows\SysWOW64\autoconv.exe"
2⤵
PID:1968

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:436

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
3⤵
PID:756

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/436-67-0x0000000000C00000-0x0000000000C0D000-memory.dmp

Filesize
52KB

Download
memory/436-72-0x00000000751B1000-0x00000000751B3000-memory.dmp

Filesize
8KB

Download
memory/436-70-0x0000000000910000-0x00000000009A0000-memory.dmp

Filesize
576KB

Download
memory/436-69-0x0000000002010000-0x0000000002313000-memory.dmp

Filesize
3.0MB

Download
memory/436-68-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/568-58-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/568-60-0x0000000000A20000-0x0000000000D23000-memory.dmp

Filesize
3.0MB

Download
memory/568-62-0x0000000000190000-0x00000000001A1000-memory.dmp

Filesize
68KB

Download
memory/568-64-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/568-65-0x00000000001D0000-0x00000000001E1000-memory.dmp

Filesize
68KB

Download
memory/568-59-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/568-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/980-54-0x000000013FFA0000-0x0000000140000000-memory.dmp

Filesize
384KB

Download
memory/980-56-0x0000000000910000-0x000000000091E000-memory.dmp

Filesize
56KB

Download
memory/980-55-0x0000000002AE0000-0x000000001AF50000-memory.dmp

Filesize
388.4MB

Download
memory/1376-63-0x0000000004A20000-0x0000000004B62000-memory.dmp

Filesize
1.3MB

Download
memory/1376-66-0x0000000004FC0000-0x00000000050BD000-memory.dmp

Filesize
1012KB

Download
memory/1376-71-0x0000000006A10000-0x0000000006B97000-memory.dmp

Filesize
1.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads