xloader | f45a023c86d834183f3073c05227d6f40686aef4a71b3893b823be493d7aae83

General

Target

PaymentAdvice.exe
Size

388KB
MD5

6f7b859f349e73f24ddffa5bf11bbe27
SHA1

87e76a368434c54cc4904ea4219e14c25f9ba7e6
SHA256

f45a023c86d834183f3073c05227d6f40686aef4a71b3893b823be493d7aae83
SHA512

8b2a3d9360c358358ae7750df53d5072aad39d27ca87d2ed14908c65acdca66070b7bb379c2950008f03b03ccc1dbd9a6d0836934c508283fcf55cde4e5c1f5b

Score

10^/10

xloader loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.saturnkorp.net/c22b/

Decoy

westendjanakpuri.com

sylvianicolades.com

xhvai.com

vitalinfusionofarizona.com

orangeecho.com

middletonyork.net

nature-powered.com

securemanchester.com

hispanicalinguablog.com

vtz6whu5254xb1.xyz

forceshutdown.com

apointlessspace.net

wildsoulsport.com

baa-bee.com

unmanglement.com

njtiy.com

misery-indexrain.com

buybox.guru

abolishlawinforcement.com

healthforherraleigh.clinic

Signatures

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

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1528-6-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1660-14-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

744 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

PaymentAdvice.exe

pid process

1904 PaymentAdvice.exe

pid	process
744	cmd.exe

pid	process
1904	PaymentAdvice.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

PaymentAdvice.exePaymentAdvice.exemsdt.exe

description	pid	process	target process
PID 1904 set thread context of 1528	1904	PaymentAdvice.exe	PaymentAdvice.exe
PID 1528 set thread context of 1236	1528	PaymentAdvice.exe	Explorer.EXE
PID 1660 set thread context of 1236	1660	msdt.exe	Explorer.EXE

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 31 IoCs

Processes:

PaymentAdvice.exemsdt.exe

pid	process
1528	PaymentAdvice.exe
1528	PaymentAdvice.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe
1660	msdt.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

PaymentAdvice.exePaymentAdvice.exemsdt.exe

pid process

1904 PaymentAdvice.exe
1528 PaymentAdvice.exe
1528 PaymentAdvice.exe
1528 PaymentAdvice.exe
1660 msdt.exe
1660 msdt.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PaymentAdvice.exemsdt.exe

description pid process

Token: SeDebugPrivilege 1528 PaymentAdvice.exe
Token: SeDebugPrivilege 1660 msdt.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1236 Explorer.EXE
1236 Explorer.EXE
1236 Explorer.EXE
1236 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1236 Explorer.EXE
1236 Explorer.EXE
1236 Explorer.EXE
1236 Explorer.EXE

pid	process
1904	PaymentAdvice.exe
1528	PaymentAdvice.exe
1528	PaymentAdvice.exe
1528	PaymentAdvice.exe
1660	msdt.exe
1660	msdt.exe

description	pid	process
Token: SeDebugPrivilege	1528	PaymentAdvice.exe
Token: SeDebugPrivilege	1660	msdt.exe

pid	process
1236	Explorer.EXE
1236	Explorer.EXE
1236	Explorer.EXE
1236	Explorer.EXE

pid	process
1236	Explorer.EXE
1236	Explorer.EXE
1236	Explorer.EXE
1236	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

PaymentAdvice.exeExplorer.EXEmsdt.exe

description	pid	process	target process
PID 1904 wrote to memory of 1528	1904	PaymentAdvice.exe	PaymentAdvice.exe
PID 1904 wrote to memory of 1528	1904	PaymentAdvice.exe	PaymentAdvice.exe
PID 1904 wrote to memory of 1528	1904	PaymentAdvice.exe	PaymentAdvice.exe
PID 1904 wrote to memory of 1528	1904	PaymentAdvice.exe	PaymentAdvice.exe
PID 1904 wrote to memory of 1528	1904	PaymentAdvice.exe	PaymentAdvice.exe
PID 1236 wrote to memory of 1660	1236	Explorer.EXE	msdt.exe
PID 1236 wrote to memory of 1660	1236	Explorer.EXE	msdt.exe
PID 1236 wrote to memory of 1660	1236	Explorer.EXE	msdt.exe
PID 1236 wrote to memory of 1660	1236	Explorer.EXE	msdt.exe
PID 1660 wrote to memory of 744	1660	msdt.exe	cmd.exe
PID 1660 wrote to memory of 744	1660	msdt.exe	cmd.exe
PID 1660 wrote to memory of 744	1660	msdt.exe	cmd.exe
PID 1660 wrote to memory of 744	1660	msdt.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:1236

C:\Users\Admin\AppData\Local\Temp\PaymentAdvice.exe
"C:\Users\Admin\AppData\Local\Temp\PaymentAdvice.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1904

C:\Users\Admin\AppData\Local\Temp\PaymentAdvice.exe
"C:\Users\Admin\AppData\Local\Temp\PaymentAdvice.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1528

C:\Windows\SysWOW64\msdt.exe
"C:\Windows\SysWOW64\msdt.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1660

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\PaymentAdvice.exe"
3⤵
- Deletes itself
PID:744

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

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

\Users\Admin\AppData\Local\Temp\nsc1343.tmp\u58vwjsm3.dll
MD5
3293e2ef6fb642ddbeb3b075f4a794ab

SHA1
ee5ec10d846c1ddf448c1df40bd01d3e3c2182be

SHA256
ae959236ee2f7db81b1aec7e89ca0c62bce23229d857017c1a9e7072e560ea3e

SHA512
67777001312443126d690cf8759b02aa269bfc5feb67994e5e5aa374f411b80fd38408d5de928ac9ab9b50b55f1682b971559abac3ab7f8262380583d925750c

Download Submit
memory/744-12-0x0000000000000000-mapping.dmp

Download
memory/1236-9-0x0000000005110000-0x00000000051F4000-memory.dmp

Filesize
912KB

Download
memory/1236-17-0x0000000006570000-0x000000000663B000-memory.dmp

Filesize
812KB

Download
memory/1528-7-0x0000000000950000-0x0000000000C53000-memory.dmp

Filesize
3.0MB

Download
memory/1528-8-0x00000000003C0000-0x00000000003D1000-memory.dmp

Filesize
68KB

Download
memory/1528-6-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1528-4-0x000000000041D0A0-mapping.dmp

Download
memory/1660-10-0x0000000000000000-mapping.dmp

Download
memory/1660-13-0x0000000000760000-0x0000000000854000-memory.dmp

Filesize
976KB

Download
memory/1660-14-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1660-15-0x0000000002230000-0x0000000002533000-memory.dmp

Filesize
3.0MB

Download
memory/1660-16-0x0000000001F80000-0x0000000002010000-memory.dmp

Filesize
576KB

Download
memory/1904-2-0x0000000075781000-0x0000000075783000-memory.dmp

Filesize
8KB

Download
memory/1904-5-0x00000000003E0000-0x00000000003E2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads