xloader | d4c1a546f7e87b1a6506bb846a2b1c96307afd8a8a184b6941a42ea9e53a4718

General

Target

nAIj8iSBKtENT6y.exe
Size

411KB
MD5

799febf0e89864960c7f98b546cea32c
SHA1

2a16ca50e68593db49450672e54ec8a977239a02
SHA256

39c5b29df15e13a18cbc4b77a44208aa927af8851555a4d220d8af0be7aeb235
SHA512

f6f89a2c4c36b4ca961934cb55eec8dbedf15d1a05d77387d9259ddc436766b248865e83e70341c1403dff325185e0a0f4cf51021e682adef19080a7cad6129a

Score

10^/10

xloader t75f loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.4

Campaign

t75f

C2

http://www.438451.com/t75f/

Decoy

ice-lemon.pro

ar3spro.cloud

9055837.com

fucksociety.net

prettyofficialx.com

mfxw.xyz

relationshipquiz.info

customia.xyz

juanayjuan.com

zidiankj.com

facture-booking.com

secondmining.store

aboutyou.club

gongxichen.com

laurabraincreative.com

pierrot-bros.com

saintpaulaccountingservices.com

dom-maya.com

garderobamarzen.net

la-salamandre-assurances.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/1820-59-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1820-60-0x000000000041D410-mapping.dmp	xloader
behavioral1/memory/1192-68-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

nAIj8iSBKtENT6y.exeRegSvcs.exeipconfig.exe

description	pid	process	target process
PID 1996 set thread context of 1820	1996	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 1820 set thread context of 1232	1820	RegSvcs.exe	Explorer.EXE
PID 1192 set thread context of 1232	1192	ipconfig.exe	Explorer.EXE

Gathers network information 2 TTPs 1 IoCs
Uses commandline utility to view network configuration.

System Information Discovery
T1082

Command-Line Interface
T1059

Processes:

ipconfig.exe

pid process

1192 ipconfig.exe

pid	process
1192	ipconfig.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

Processes:

nAIj8iSBKtENT6y.exeRegSvcs.exeipconfig.exe

pid	process
1996	nAIj8iSBKtENT6y.exe
1996	nAIj8iSBKtENT6y.exe
1996	nAIj8iSBKtENT6y.exe
1996	nAIj8iSBKtENT6y.exe
1820	RegSvcs.exe
1820	RegSvcs.exe
1192	ipconfig.exe
1192	ipconfig.exe
1192	ipconfig.exe
1192	ipconfig.exe
1192	ipconfig.exe
1192	ipconfig.exe
1192	ipconfig.exe
1192	ipconfig.exe
1192	ipconfig.exe
1192	ipconfig.exe
1192	ipconfig.exe
1192	ipconfig.exe
1192	ipconfig.exe
1192	ipconfig.exe
1192	ipconfig.exe
1192	ipconfig.exe
1192	ipconfig.exe
1192	ipconfig.exe
1192	ipconfig.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

RegSvcs.exeipconfig.exe

pid process

1820 RegSvcs.exe
1820 RegSvcs.exe
1820 RegSvcs.exe
1192 ipconfig.exe
1192 ipconfig.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

nAIj8iSBKtENT6y.exeRegSvcs.exeipconfig.exe

description pid process

Token: SeDebugPrivilege 1996 nAIj8iSBKtENT6y.exe
Token: SeDebugPrivilege 1820 RegSvcs.exe
Token: SeDebugPrivilege 1192 ipconfig.exe
Suspicious use of FindShellTrayWindow 7 IoCs

Processes:

Explorer.EXE

pid process

1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE
Suspicious use of SendNotifyMessage 6 IoCs

Processes:

Explorer.EXE

pid process

1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE
1232 Explorer.EXE

pid	process
1820	RegSvcs.exe
1820	RegSvcs.exe
1820	RegSvcs.exe
1192	ipconfig.exe
1192	ipconfig.exe

description	pid	process
Token: SeDebugPrivilege	1996	nAIj8iSBKtENT6y.exe
Token: SeDebugPrivilege	1820	RegSvcs.exe
Token: SeDebugPrivilege	1192	ipconfig.exe

pid	process
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE

pid	process
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE
1232	Explorer.EXE

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

nAIj8iSBKtENT6y.exeExplorer.EXEipconfig.exe

description	pid	process	target process
PID 1996 wrote to memory of 1856	1996	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 1996 wrote to memory of 1856	1996	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 1996 wrote to memory of 1856	1996	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 1996 wrote to memory of 1856	1996	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 1996 wrote to memory of 1856	1996	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 1996 wrote to memory of 1856	1996	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 1996 wrote to memory of 1856	1996	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 1996 wrote to memory of 1820	1996	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 1996 wrote to memory of 1820	1996	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 1996 wrote to memory of 1820	1996	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 1996 wrote to memory of 1820	1996	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 1996 wrote to memory of 1820	1996	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 1996 wrote to memory of 1820	1996	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 1996 wrote to memory of 1820	1996	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 1996 wrote to memory of 1820	1996	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 1996 wrote to memory of 1820	1996	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 1996 wrote to memory of 1820	1996	nAIj8iSBKtENT6y.exe	RegSvcs.exe
PID 1232 wrote to memory of 1192	1232	Explorer.EXE	ipconfig.exe
PID 1232 wrote to memory of 1192	1232	Explorer.EXE	ipconfig.exe
PID 1232 wrote to memory of 1192	1232	Explorer.EXE	ipconfig.exe
PID 1232 wrote to memory of 1192	1232	Explorer.EXE	ipconfig.exe
PID 1192 wrote to memory of 1740	1192	ipconfig.exe	cmd.exe
PID 1192 wrote to memory of 1740	1192	ipconfig.exe	cmd.exe
PID 1192 wrote to memory of 1740	1192	ipconfig.exe	cmd.exe
PID 1192 wrote to memory of 1740	1192	ipconfig.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:1232

C:\Users\Admin\AppData\Local\Temp\nAIj8iSBKtENT6y.exe
"C:\Users\Admin\AppData\Local\Temp\nAIj8iSBKtENT6y.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1996

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:1856

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:1820

C:\Windows\SysWOW64\ipconfig.exe
"C:\Windows\SysWOW64\ipconfig.exe"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1192

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
3⤵
PID:1740

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Command-Line Interface

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1192-64-0x0000000000000000-mapping.dmp

Download
memory/1192-70-0x0000000001EC0000-0x0000000001F50000-memory.dmp

Filesize
576KB

Download
memory/1192-67-0x0000000000700000-0x000000000070A000-memory.dmp

Filesize
40KB

Download
memory/1192-69-0x0000000002050000-0x0000000002353000-memory.dmp

Filesize
3.0MB

Download
memory/1192-68-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1192-65-0x0000000075201000-0x0000000075203000-memory.dmp

Filesize
8KB

Download
memory/1232-72-0x0000000002B50000-0x0000000002B60000-memory.dmp

Filesize
64KB

Download
memory/1232-71-0x0000000004880000-0x000000000492C000-memory.dmp

Filesize
688KB

Download
memory/1232-63-0x00000000042A0000-0x00000000043F8000-memory.dmp

Filesize
1.3MB

Download
memory/1740-66-0x0000000000000000-mapping.dmp

Download
memory/1820-62-0x00000000001A0000-0x00000000001B1000-memory.dmp

Filesize
68KB

Download
memory/1820-61-0x0000000000AA0000-0x0000000000DA3000-memory.dmp

Filesize
3.0MB

Download
memory/1820-60-0x000000000041D410-mapping.dmp

Download
memory/1820-59-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1996-53-0x0000000000ED0000-0x0000000000ED1000-memory.dmp

Filesize
4KB

Download
memory/1996-58-0x0000000004F30000-0x0000000004F5B000-memory.dmp

Filesize
172KB

Download
memory/1996-57-0x0000000005C70000-0x0000000005CD0000-memory.dmp

Filesize
384KB

Download
memory/1996-56-0x0000000000370000-0x0000000000377000-memory.dmp

Filesize
28KB

Download
memory/1996-55-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads