xloader | b092672d7f36d3deaab664c0a562b055f9cee3f247328e639aca58f025f979ca

General

Target

DOC.exe
Size

480KB
MD5

66fc712a2dc1321fa0fc6bdf8bcd82a5
SHA1

7870ac22e3c8233430e0c5df62c72397f29e1294
SHA256

b092672d7f36d3deaab664c0a562b055f9cee3f247328e639aca58f025f979ca
SHA512

d0c101943eb61750234a838e1c5b2571996c64c5f0800272656d74e79dd60e9737e3c5326978ff6dacdd32bde71b88b46e0b4b9e87cde7e09f1246bb3667e7d7

Score

10^/10

xloader n58i loader rat suricata

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
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/3572-126-0x000000000041D470-mapping.dmp	xloader
behavioral2/memory/3572-125-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3840-135-0x0000000002CC0000-0x0000000002CE9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

DOC.exeRegSvcs.exemsiexec.exe

description	pid	process	target process
PID 1584 set thread context of 3572	1584	DOC.exe	RegSvcs.exe
PID 3572 set thread context of 3008	3572	RegSvcs.exe	Explorer.EXE
PID 3840 set thread context of 3008	3840	msiexec.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 46 IoCs

Processes:

DOC.exeRegSvcs.exemsiexec.exe

pid	process
1584	DOC.exe
1584	DOC.exe
3572	RegSvcs.exe
3572	RegSvcs.exe
3572	RegSvcs.exe
3572	RegSvcs.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe
3840	msiexec.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3008 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.exemsiexec.exe

pid process

3572 RegSvcs.exe
3572 RegSvcs.exe
3572 RegSvcs.exe
3840 msiexec.exe
3840 msiexec.exe

pid	process
3008	Explorer.EXE

pid	process
3572	RegSvcs.exe
3572	RegSvcs.exe
3572	RegSvcs.exe
3840	msiexec.exe
3840	msiexec.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

Processes:

DOC.exeRegSvcs.exemsiexec.exeExplorer.EXE

description	pid	process
Token: SeDebugPrivilege	1584	DOC.exe
Token: SeDebugPrivilege	3572	RegSvcs.exe
Token: SeDebugPrivilege	3840	msiexec.exe
Token: SeShutdownPrivilege	3008	Explorer.EXE
Token: SeCreatePagefilePrivilege	3008	Explorer.EXE
Token: SeShutdownPrivilege	3008	Explorer.EXE
Token: SeCreatePagefilePrivilege	3008	Explorer.EXE
Token: SeShutdownPrivilege	3008	Explorer.EXE
Token: SeCreatePagefilePrivilege	3008	Explorer.EXE
Token: SeShutdownPrivilege	3008	Explorer.EXE
Token: SeCreatePagefilePrivilege	3008	Explorer.EXE

Suspicious use of FindShellTrayWindow 8 IoCs

Processes:

Explorer.EXE

pid process

3008 Explorer.EXE
3008 Explorer.EXE
3008 Explorer.EXE
3008 Explorer.EXE
3008 Explorer.EXE
3008 Explorer.EXE
3008 Explorer.EXE
3008 Explorer.EXE

pid	process
3008	Explorer.EXE
3008	Explorer.EXE
3008	Explorer.EXE
3008	Explorer.EXE
3008	Explorer.EXE
3008	Explorer.EXE
3008	Explorer.EXE
3008	Explorer.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

DOC.exeExplorer.EXEmsiexec.exe

description	pid	process	target process
PID 1584 wrote to memory of 3572	1584	DOC.exe	RegSvcs.exe
PID 1584 wrote to memory of 3572	1584	DOC.exe	RegSvcs.exe
PID 1584 wrote to memory of 3572	1584	DOC.exe	RegSvcs.exe
PID 1584 wrote to memory of 3572	1584	DOC.exe	RegSvcs.exe
PID 1584 wrote to memory of 3572	1584	DOC.exe	RegSvcs.exe
PID 1584 wrote to memory of 3572	1584	DOC.exe	RegSvcs.exe
PID 3008 wrote to memory of 3840	3008	Explorer.EXE	msiexec.exe
PID 3008 wrote to memory of 3840	3008	Explorer.EXE	msiexec.exe
PID 3008 wrote to memory of 3840	3008	Explorer.EXE	msiexec.exe
PID 3840 wrote to memory of 1016	3840	msiexec.exe	cmd.exe
PID 3840 wrote to memory of 1016	3840	msiexec.exe	cmd.exe
PID 3840 wrote to memory of 1016	3840	msiexec.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3008

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:1584

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:3572

C:\Windows\SysWOW64\msiexec.exe
"C:\Windows\SysWOW64\msiexec.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3840

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:1016

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1016-133-0x0000000000000000-mapping.dmp

Download
memory/1584-121-0x0000000005510000-0x0000000005517000-memory.dmp

Filesize
28KB

Download
memory/1584-124-0x0000000009EE0000-0x0000000009F0C000-memory.dmp

Filesize
176KB

Download
memory/1584-119-0x0000000005040000-0x000000000553E000-memory.dmp

Filesize
5.0MB

Download
memory/1584-120-0x00000000051C0000-0x00000000051C1000-memory.dmp

Filesize
4KB

Download
memory/1584-115-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/1584-122-0x00000000097E0000-0x00000000097E1000-memory.dmp

Filesize
4KB

Download
memory/1584-123-0x0000000009D20000-0x0000000009D82000-memory.dmp

Filesize
392KB

Download
memory/1584-117-0x0000000005540000-0x0000000005541000-memory.dmp

Filesize
4KB

Download
memory/1584-118-0x0000000005040000-0x0000000005041000-memory.dmp

Filesize
4KB

Download
memory/3008-138-0x0000000004C50000-0x0000000004CE8000-memory.dmp

Filesize
608KB

Download
memory/3008-129-0x0000000004B90000-0x0000000004C46000-memory.dmp

Filesize
728KB

Download
memory/3572-125-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/3572-127-0x00000000010D0000-0x00000000013F0000-memory.dmp

Filesize
3.1MB

Download
memory/3572-126-0x000000000041D470-mapping.dmp

Download
memory/3572-128-0x0000000000D90000-0x0000000000DA1000-memory.dmp

Filesize
68KB

Download
memory/3840-134-0x0000000000C80000-0x0000000000C92000-memory.dmp

Filesize
72KB

Download
memory/3840-136-0x0000000004DE0000-0x0000000005100000-memory.dmp

Filesize
3.1MB

Download
memory/3840-135-0x0000000002CC0000-0x0000000002CE9000-memory.dmp

Filesize
164KB

Download
memory/3840-137-0x0000000004BA0000-0x0000000004C30000-memory.dmp

Filesize
576KB

Download
memory/3840-130-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads