xloader | b092672d7f36d3deaab664c0a562b055f9cee3f247328e639aca58f025f979ca

General

Target

DOC.exe
Size

480KB
MD5

66fc712a2dc1321fa0fc6bdf8bcd82a5
SHA1

7870ac22e3c8233430e0c5df62c72397f29e1294
SHA256

b092672d7f36d3deaab664c0a562b055f9cee3f247328e639aca58f025f979ca
SHA512

d0c101943eb61750234a838e1c5b2571996c64c5f0800272656d74e79dd60e9737e3c5326978ff6dacdd32bde71b88b46e0b4b9e87cde7e09f1246bb3667e7d7

Score

10^/10

xloader n58i loader rat

Malware Config

Extracted

Family

xloader

Version

2.4

Campaign

n58i

C2

http://www.nordicbatterybelt.net/n58i/

Decoy

southerncircumstance.com

mcsasco.com

ifbrick.com

societe-anonyme.net

bantank.xyz

dogecoin.beauty

aboutacoffee.com

babalandlordrealestate.com

tintgta.com

integrity.directory

parwnr.icu

poltishof.online

stayandstyle.com

ickjeame.xyz

currentmotors.ca

pond.fund

petrosterzis.com

deadbydaylightpoints.com

hotel-balzac.paris

focusmaintainance.com

Signatures

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3300-125-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3300-126-0x000000000041D470-mapping.dmp	xloader
behavioral2/memory/4052-132-0x0000000002F80000-0x0000000002FA9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

DOC.exeRegSvcs.exewlanext.exe

description	pid	process	target process
PID 4032 set thread context of 3300	4032	DOC.exe	RegSvcs.exe
PID 3300 set thread context of 2372	3300	RegSvcs.exe	Explorer.EXE
PID 4052 set thread context of 2372	4052	wlanext.exe	Explorer.EXE

Modifies registry class 2 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-1-5-21-2559286294-2439613352-4032193287-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 44 IoCs

Processes:

DOC.exeRegSvcs.exewlanext.exe

pid	process
4032	DOC.exe
4032	DOC.exe
3300	RegSvcs.exe
3300	RegSvcs.exe
3300	RegSvcs.exe
3300	RegSvcs.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe
4052	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2372 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.exewlanext.exe

pid process

3300 RegSvcs.exe
3300 RegSvcs.exe
3300 RegSvcs.exe
4052 wlanext.exe
4052 wlanext.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

DOC.exeRegSvcs.exewlanext.exe

description pid process

Token: SeDebugPrivilege 4032 DOC.exe
Token: SeDebugPrivilege 3300 RegSvcs.exe
Token: SeDebugPrivilege 4052 wlanext.exe

pid	process
3300	RegSvcs.exe
3300	RegSvcs.exe
3300	RegSvcs.exe
4052	wlanext.exe
4052	wlanext.exe

description	pid	process
Token: SeDebugPrivilege	4032	DOC.exe
Token: SeDebugPrivilege	3300	RegSvcs.exe
Token: SeDebugPrivilege	4052	wlanext.exe

Suspicious use of FindShellTrayWindow 9 IoCs

Processes:

Explorer.EXE

pid	process
2372	Explorer.EXE
2372	Explorer.EXE
2372	Explorer.EXE
2372	Explorer.EXE
2372	Explorer.EXE
2372	Explorer.EXE
2372	Explorer.EXE
2372	Explorer.EXE
2372	Explorer.EXE

Suspicious use of SendNotifyMessage 1 IoCs

Processes:

Explorer.EXE

pid process

2372 Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

DOC.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 4032 wrote to memory of 3300	4032	DOC.exe	RegSvcs.exe
PID 4032 wrote to memory of 3300	4032	DOC.exe	RegSvcs.exe
PID 4032 wrote to memory of 3300	4032	DOC.exe	RegSvcs.exe
PID 4032 wrote to memory of 3300	4032	DOC.exe	RegSvcs.exe
PID 4032 wrote to memory of 3300	4032	DOC.exe	RegSvcs.exe
PID 4032 wrote to memory of 3300	4032	DOC.exe	RegSvcs.exe
PID 2372 wrote to memory of 4052	2372	Explorer.EXE	wlanext.exe
PID 2372 wrote to memory of 4052	2372	Explorer.EXE	wlanext.exe
PID 2372 wrote to memory of 4052	2372	Explorer.EXE	wlanext.exe
PID 4052 wrote to memory of 1668	4052	wlanext.exe	cmd.exe
PID 4052 wrote to memory of 1668	4052	wlanext.exe	cmd.exe
PID 4052 wrote to memory of 1668	4052	wlanext.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2372

C:\Users\Admin\AppData\Local\Temp\DOC.exe
"C:\Users\Admin\AppData\Local\Temp\DOC.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4032

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:3300

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4052

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:1668

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1668-134-0x0000000000000000-mapping.dmp

Download
memory/2372-136-0x0000000005B20000-0x0000000005C28000-memory.dmp

Filesize
1.0MB

Download
memory/2372-129-0x0000000005CF0000-0x0000000005E04000-memory.dmp

Filesize
1.1MB

Download
memory/3300-125-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3300-127-0x00000000012E0000-0x0000000001600000-memory.dmp

Filesize
3.1MB

Download
memory/3300-128-0x0000000001240000-0x0000000001251000-memory.dmp

Filesize
68KB

Download
memory/3300-126-0x000000000041D470-mapping.dmp

Download
memory/4032-121-0x0000000005BB0000-0x0000000005BB7000-memory.dmp

Filesize
28KB

Download
memory/4032-118-0x0000000005990000-0x0000000005991000-memory.dmp

Filesize
4KB

Download
memory/4032-123-0x000000000A5F0000-0x000000000A652000-memory.dmp

Filesize
392KB

Download
memory/4032-122-0x000000000A0C0000-0x000000000A0C1000-memory.dmp

Filesize
4KB

Download
memory/4032-115-0x0000000000F10000-0x0000000000F11000-memory.dmp

Filesize
4KB

Download
memory/4032-120-0x0000000005910000-0x0000000005911000-memory.dmp

Filesize
4KB

Download
memory/4032-119-0x00000000058F0000-0x0000000005DEE000-memory.dmp

Filesize
5.0MB

Download
memory/4032-124-0x000000000CEC0000-0x000000000CEEC000-memory.dmp

Filesize
176KB

Download
memory/4032-117-0x0000000005DF0000-0x0000000005DF1000-memory.dmp

Filesize
4KB

Download
memory/4052-130-0x0000000000000000-mapping.dmp

Download
memory/4052-133-0x0000000003200000-0x00000000032AE000-memory.dmp

Filesize
696KB

Download
memory/4052-131-0x0000000000110000-0x0000000000127000-memory.dmp

Filesize
92KB

Download
memory/4052-135-0x0000000003670000-0x0000000003700000-memory.dmp

Filesize
576KB

Download
memory/4052-132-0x0000000002F80000-0x0000000002FA9000-memory.dmp

Filesize
164KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads