xloader | 5584bec329f0c837465e6e786730ad3248ad98e6c3e006b0b808932057aa9bc2

General

Target

DHL Shipment Delivery_Pdf.exe
Size

848KB
MD5

91476ab6caae4d5ed99c3e5180812144
SHA1

6ade7a1487ba2385c96ff47230377e51ef5d4709
SHA256

823536a9c4dfcb7ea455b209f3702d792b2db6ad5202f063b2368b82191966b5
SHA512

cc60af3448e5e25f3baf06e964c0a8fdb1b41056711e69d0e9859ba6acc118b3a66aae8eb8a4e9549ec97f3e5662c7dd4ba9a86a89e9f7c4f13f5bd9377d0cec

Score

10^/10

xloader u86g loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

u86g

C2

http://www.99356a.com/u86g/

Decoy

agenciaplim.com

fastpage.info

tiantianbd.com

hanedanpirlanta.com

project1accessories.com

rebeccadoumet.com

vrdnfz.com

jeaninesatl.com

isaakwallihconstruction.com

aegis.cloud

tigerandsnow.com

thehappyadventurer.com

ahhazu.com

hiveplushoney.com

k-plan-ning.com

peresvet.one

darkworkcustoms.com

deathbok.com

blackinkswizz.com

077sb.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/552-67-0x000000000041D020-mapping.dmp	xloader
behavioral1/memory/552-66-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/1552-76-0x0000000000080000-0x00000000000A8000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

588 cmd.exe

pid	process
588	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

DHL Shipment Delivery_Pdf.exeDHL Shipment Delivery_Pdf.exeNETSTAT.EXE

description	pid	process	target process
PID 1276 set thread context of 552	1276	DHL Shipment Delivery_Pdf.exe	DHL Shipment Delivery_Pdf.exe
PID 552 set thread context of 1196	552	DHL Shipment Delivery_Pdf.exe	Explorer.EXE
PID 552 set thread context of 1196	552	DHL Shipment Delivery_Pdf.exe	Explorer.EXE
PID 1552 set thread context of 1196	1552	NETSTAT.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:

NETSTAT.EXE

pid process

1552 NETSTAT.EXE

pid	process
1552	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

DHL Shipment Delivery_Pdf.exeDHL Shipment Delivery_Pdf.exeNETSTAT.EXE

pid	process
1276	DHL Shipment Delivery_Pdf.exe
552	DHL Shipment Delivery_Pdf.exe
552	DHL Shipment Delivery_Pdf.exe
552	DHL Shipment Delivery_Pdf.exe
1552	NETSTAT.EXE
1552	NETSTAT.EXE
1552	NETSTAT.EXE
1552	NETSTAT.EXE
1552	NETSTAT.EXE
1552	NETSTAT.EXE
1552	NETSTAT.EXE
1552	NETSTAT.EXE
1552	NETSTAT.EXE
1552	NETSTAT.EXE
1552	NETSTAT.EXE
1552	NETSTAT.EXE
1552	NETSTAT.EXE
1552	NETSTAT.EXE
1552	NETSTAT.EXE
1552	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

DHL Shipment Delivery_Pdf.exeNETSTAT.EXE

pid	process
552	DHL Shipment Delivery_Pdf.exe
552	DHL Shipment Delivery_Pdf.exe
552	DHL Shipment Delivery_Pdf.exe
552	DHL Shipment Delivery_Pdf.exe
1552	NETSTAT.EXE
1552	NETSTAT.EXE

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

DHL Shipment Delivery_Pdf.exeDHL Shipment Delivery_Pdf.exeNETSTAT.EXE

description	pid	process
Token: SeDebugPrivilege	1276	DHL Shipment Delivery_Pdf.exe
Token: SeDebugPrivilege	552	DHL Shipment Delivery_Pdf.exe
Token: SeDebugPrivilege	1552	NETSTAT.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

DHL Shipment Delivery_Pdf.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 1276 wrote to memory of 560	1276	DHL Shipment Delivery_Pdf.exe	DHL Shipment Delivery_Pdf.exe
PID 1276 wrote to memory of 560	1276	DHL Shipment Delivery_Pdf.exe	DHL Shipment Delivery_Pdf.exe
PID 1276 wrote to memory of 560	1276	DHL Shipment Delivery_Pdf.exe	DHL Shipment Delivery_Pdf.exe
PID 1276 wrote to memory of 560	1276	DHL Shipment Delivery_Pdf.exe	DHL Shipment Delivery_Pdf.exe
PID 1276 wrote to memory of 552	1276	DHL Shipment Delivery_Pdf.exe	DHL Shipment Delivery_Pdf.exe
PID 1276 wrote to memory of 552	1276	DHL Shipment Delivery_Pdf.exe	DHL Shipment Delivery_Pdf.exe
PID 1276 wrote to memory of 552	1276	DHL Shipment Delivery_Pdf.exe	DHL Shipment Delivery_Pdf.exe
PID 1276 wrote to memory of 552	1276	DHL Shipment Delivery_Pdf.exe	DHL Shipment Delivery_Pdf.exe
PID 1276 wrote to memory of 552	1276	DHL Shipment Delivery_Pdf.exe	DHL Shipment Delivery_Pdf.exe
PID 1276 wrote to memory of 552	1276	DHL Shipment Delivery_Pdf.exe	DHL Shipment Delivery_Pdf.exe
PID 1276 wrote to memory of 552	1276	DHL Shipment Delivery_Pdf.exe	DHL Shipment Delivery_Pdf.exe
PID 1196 wrote to memory of 1552	1196	Explorer.EXE	NETSTAT.EXE
PID 1196 wrote to memory of 1552	1196	Explorer.EXE	NETSTAT.EXE
PID 1196 wrote to memory of 1552	1196	Explorer.EXE	NETSTAT.EXE
PID 1196 wrote to memory of 1552	1196	Explorer.EXE	NETSTAT.EXE
PID 1552 wrote to memory of 588	1552	NETSTAT.EXE	cmd.exe
PID 1552 wrote to memory of 588	1552	NETSTAT.EXE	cmd.exe
PID 1552 wrote to memory of 588	1552	NETSTAT.EXE	cmd.exe
PID 1552 wrote to memory of 588	1552	NETSTAT.EXE	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:1196

C:\Users\Admin\AppData\Local\Temp\DHL Shipment Delivery_Pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL Shipment Delivery_Pdf.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1276

C:\Users\Admin\AppData\Local\Temp\DHL Shipment Delivery_Pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL Shipment Delivery_Pdf.exe"
3⤵
PID:560

C:\Users\Admin\AppData\Local\Temp\DHL Shipment Delivery_Pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL Shipment Delivery_Pdf.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:552

C:\Windows\SysWOW64\NETSTAT.EXE
"C:\Windows\SysWOW64\NETSTAT.EXE"
2⤵
- Suspicious use of SetThreadContext
- Gathers network information
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1552

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\DHL Shipment Delivery_Pdf.exe"
3⤵
- Deletes itself
PID:588

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/552-71-0x00000000001F0000-0x0000000000200000-memory.dmp

Filesize
64KB

Download
memory/552-67-0x000000000041D020-mapping.dmp

Download
memory/552-66-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/552-69-0x0000000000080000-0x0000000000090000-memory.dmp

Filesize
64KB

Download
memory/552-68-0x0000000000A70000-0x0000000000D73000-memory.dmp

Filesize
3.0MB

Download
memory/588-74-0x0000000000000000-mapping.dmp

Download
memory/1196-70-0x0000000006350000-0x00000000064AF000-memory.dmp

Filesize
1.4MB

Download
memory/1196-79-0x0000000004E60000-0x0000000004F55000-memory.dmp

Filesize
980KB

Download
memory/1196-72-0x0000000006A40000-0x0000000006BB1000-memory.dmp

Filesize
1.4MB

Download
memory/1276-65-0x0000000000730000-0x000000000075A000-memory.dmp

Filesize
168KB

Download
memory/1276-60-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/1276-64-0x0000000005330000-0x000000000538F000-memory.dmp

Filesize
380KB

Download
memory/1276-63-0x0000000000500000-0x0000000000516000-memory.dmp

Filesize
88KB

Download
memory/1276-62-0x0000000001FC0000-0x0000000001FC1000-memory.dmp

Filesize
4KB

Download
memory/1552-73-0x0000000000000000-mapping.dmp

Download
memory/1552-75-0x0000000000C20000-0x0000000000C29000-memory.dmp

Filesize
36KB

Download
memory/1552-76-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/1552-77-0x00000000021C0000-0x00000000024C3000-memory.dmp

Filesize
3.0MB

Download
memory/1552-78-0x0000000000B70000-0x0000000000BFF000-memory.dmp

Filesize
572KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads