xloader | 42dacd96a068e6abe4d5a8ad49eb9ce09f81050257c2b75f08f3b1c43c7196d3

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
behavioral1/memory/1784-66-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1784-67-0x000000000041D470-mapping.dmp	xloader
behavioral1/memory/2032-76-0x0000000000070000-0x0000000000099000-memory.dmp	xloader

Suspicious use of SetThreadContext 4 IoCs

Processes:

DOC.exeRegSvcs.exewscript.exe

description	pid	process	target process
PID 1728 set thread context of 1784	1728	DOC.exe	RegSvcs.exe
PID 1784 set thread context of 1180	1784	RegSvcs.exe	Explorer.EXE
PID 1784 set thread context of 1180	1784	RegSvcs.exe	Explorer.EXE
PID 2032 set thread context of 1180	2032	wscript.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

DOC.exeRegSvcs.exewscript.exe

pid	process
1728	DOC.exe
1728	DOC.exe
1784	RegSvcs.exe
1784	RegSvcs.exe
1784	RegSvcs.exe
2032	wscript.exe
2032	wscript.exe
2032	wscript.exe
2032	wscript.exe
2032	wscript.exe
2032	wscript.exe
2032	wscript.exe
2032	wscript.exe
2032	wscript.exe
2032	wscript.exe
2032	wscript.exe
2032	wscript.exe
2032	wscript.exe
2032	wscript.exe
2032	wscript.exe
2032	wscript.exe
2032	wscript.exe
2032	wscript.exe
2032	wscript.exe
2032	wscript.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

RegSvcs.exewscript.exe

pid process

1784 RegSvcs.exe
1784 RegSvcs.exe
1784 RegSvcs.exe
1784 RegSvcs.exe
2032 wscript.exe
2032 wscript.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

DOC.exeRegSvcs.exewscript.exe

description pid process

Token: SeDebugPrivilege 1728 DOC.exe
Token: SeDebugPrivilege 1784 RegSvcs.exe
Token: SeDebugPrivilege 2032 wscript.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1180 Explorer.EXE
1180 Explorer.EXE
1180 Explorer.EXE
1180 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1180 Explorer.EXE
1180 Explorer.EXE
1180 Explorer.EXE
1180 Explorer.EXE

pid	process
1784	RegSvcs.exe
1784	RegSvcs.exe
1784	RegSvcs.exe
1784	RegSvcs.exe
2032	wscript.exe
2032	wscript.exe

description	pid	process
Token: SeDebugPrivilege	1728	DOC.exe
Token: SeDebugPrivilege	1784	RegSvcs.exe
Token: SeDebugPrivilege	2032	wscript.exe

pid	process
1180	Explorer.EXE
1180	Explorer.EXE
1180	Explorer.EXE
1180	Explorer.EXE

pid	process
1180	Explorer.EXE
1180	Explorer.EXE
1180	Explorer.EXE
1180	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

DOC.exeExplorer.EXEwscript.exe

description	pid	process	target process
PID 1728 wrote to memory of 1784	1728	DOC.exe	RegSvcs.exe
PID 1728 wrote to memory of 1784	1728	DOC.exe	RegSvcs.exe
PID 1728 wrote to memory of 1784	1728	DOC.exe	RegSvcs.exe
PID 1728 wrote to memory of 1784	1728	DOC.exe	RegSvcs.exe
PID 1728 wrote to memory of 1784	1728	DOC.exe	RegSvcs.exe
PID 1728 wrote to memory of 1784	1728	DOC.exe	RegSvcs.exe
PID 1728 wrote to memory of 1784	1728	DOC.exe	RegSvcs.exe
PID 1728 wrote to memory of 1784	1728	DOC.exe	RegSvcs.exe
PID 1728 wrote to memory of 1784	1728	DOC.exe	RegSvcs.exe
PID 1728 wrote to memory of 1784	1728	DOC.exe	RegSvcs.exe
PID 1180 wrote to memory of 2032	1180	Explorer.EXE	wscript.exe
PID 1180 wrote to memory of 2032	1180	Explorer.EXE	wscript.exe
PID 1180 wrote to memory of 2032	1180	Explorer.EXE	wscript.exe
PID 1180 wrote to memory of 2032	1180	Explorer.EXE	wscript.exe
PID 2032 wrote to memory of 852	2032	wscript.exe	cmd.exe
PID 2032 wrote to memory of 852	2032	wscript.exe	cmd.exe
PID 2032 wrote to memory of 852	2032	wscript.exe	cmd.exe
PID 2032 wrote to memory of 852	2032	wscript.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1180

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:1728

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:1784

C:\Windows\SysWOW64\wscript.exe
"C:\Windows\SysWOW64\wscript.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2032

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:852

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/852-74-0x0000000000000000-mapping.dmp

Download
memory/1180-70-0x0000000006330000-0x00000000064B5000-memory.dmp

Filesize
1.5MB

Download
memory/1180-79-0x0000000007420000-0x000000000759A000-memory.dmp

Filesize
1.5MB

Download
memory/1180-72-0x0000000004E70000-0x0000000004F69000-memory.dmp

Filesize
996KB

Download
memory/1728-62-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download
memory/1728-63-0x00000000004C0000-0x00000000004C7000-memory.dmp

Filesize
28KB

Download
memory/1728-64-0x0000000005CB0000-0x0000000005D12000-memory.dmp

Filesize
392KB

Download
memory/1728-65-0x0000000000A40000-0x0000000000A6C000-memory.dmp

Filesize
176KB

Download
memory/1728-60-0x0000000001240000-0x0000000001241000-memory.dmp

Filesize
4KB

Download
memory/1784-68-0x0000000000BE0000-0x0000000000EE3000-memory.dmp

Filesize
3.0MB

Download
memory/1784-69-0x0000000000290000-0x00000000002A1000-memory.dmp

Filesize
68KB

Download
memory/1784-71-0x00000000002E0000-0x00000000002F1000-memory.dmp

Filesize
68KB

Download
memory/1784-67-0x000000000041D470-mapping.dmp

Download
memory/1784-66-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2032-73-0x0000000000000000-mapping.dmp

Download
memory/2032-75-0x0000000000F20000-0x0000000000F46000-memory.dmp

Filesize
152KB

Download
memory/2032-76-0x0000000000070000-0x0000000000099000-memory.dmp

Filesize
164KB

Download
memory/2032-77-0x0000000002350000-0x0000000002653000-memory.dmp

Filesize
3.0MB

Download
memory/2032-78-0x0000000000430000-0x00000000004C0000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads