xloader | 27572043b01a99f3901af4bd40faf03cd04e722e3fb7ba866ccdb3b2d3fabb11

General

Target

klSsrzxwsbxeJQh.exe
Size

818KB
MD5

3be1fa609b4f6efa9d30b5c75810f863
SHA1

61dcd8a4bd4641a7cc4800b5aea9ecaf7c6609bf
SHA256

27572043b01a99f3901af4bd40faf03cd04e722e3fb7ba866ccdb3b2d3fabb11
SHA512

b5d36a463c8eca050b3db941449d79b91c870990685b20bc192f09037231a17c2939c74b2312820a09aa54e553e61a6ab0320ea7b5f9ee60a92331ccf79b7911

Score

10^/10

xloader loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.arogyanlife.com/b82a/

Decoy

annguyet.net

parkwood.tech

readysetmortgage.net

betraywithdraw.com

incmagazine.xyz

dentistinpimplesaudagar.com

lianhx.com

prodrelease0827b.com

safehavenwellbeing.com

gehdeinweg.club

sondaggio123.space

prospecx.report

remediate.info

savylash.com

puppornstar.com

coaching-romand.com

boozeshops.com

team316media.com

ldgawydtl.icu

trezteez.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

Processes:

resource	yara_rule
behavioral1/memory/1912-62-0x00000000003F0000-0x00000000003FB000-memory.dmp	CustAttr

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/320-65-0x0000000000400000-0x0000000000428000-memory.dmp	xloader
behavioral1/memory/320-66-0x000000000041CFC0-mapping.dmp	xloader
behavioral1/memory/340-73-0x0000000000080000-0x00000000000A8000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1488 cmd.exe

pid	process
1488	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

klSsrzxwsbxeJQh.exeklSsrzxwsbxeJQh.exeNETSTAT.EXE

description	pid	process	target process
PID 1912 set thread context of 320	1912	klSsrzxwsbxeJQh.exe	klSsrzxwsbxeJQh.exe
PID 320 set thread context of 1288	320	klSsrzxwsbxeJQh.exe	Explorer.EXE
PID 340 set thread context of 1288	340	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

340 NETSTAT.EXE

pid	process
340	NETSTAT.EXE

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

klSsrzxwsbxeJQh.exeNETSTAT.EXE

pid	process
320	klSsrzxwsbxeJQh.exe
320	klSsrzxwsbxeJQh.exe
340	NETSTAT.EXE
340	NETSTAT.EXE
340	NETSTAT.EXE
340	NETSTAT.EXE
340	NETSTAT.EXE
340	NETSTAT.EXE
340	NETSTAT.EXE
340	NETSTAT.EXE
340	NETSTAT.EXE
340	NETSTAT.EXE
340	NETSTAT.EXE
340	NETSTAT.EXE
340	NETSTAT.EXE
340	NETSTAT.EXE
340	NETSTAT.EXE
340	NETSTAT.EXE
340	NETSTAT.EXE
340	NETSTAT.EXE
340	NETSTAT.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

klSsrzxwsbxeJQh.exeNETSTAT.EXE

pid process

320 klSsrzxwsbxeJQh.exe
320 klSsrzxwsbxeJQh.exe
320 klSsrzxwsbxeJQh.exe
340 NETSTAT.EXE
340 NETSTAT.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

klSsrzxwsbxeJQh.exeNETSTAT.EXE

description pid process

Token: SeDebugPrivilege 320 klSsrzxwsbxeJQh.exe
Token: SeDebugPrivilege 340 NETSTAT.EXE
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1288 Explorer.EXE
1288 Explorer.EXE
1288 Explorer.EXE
1288 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1288 Explorer.EXE
1288 Explorer.EXE
1288 Explorer.EXE
1288 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	320	klSsrzxwsbxeJQh.exe
Token: SeDebugPrivilege	340	NETSTAT.EXE

pid	process
1288	Explorer.EXE
1288	Explorer.EXE
1288	Explorer.EXE
1288	Explorer.EXE

pid	process
1288	Explorer.EXE
1288	Explorer.EXE
1288	Explorer.EXE
1288	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

klSsrzxwsbxeJQh.exeExplorer.EXENETSTAT.EXE

description	pid	process	target process
PID 1912 wrote to memory of 320	1912	klSsrzxwsbxeJQh.exe	klSsrzxwsbxeJQh.exe
PID 1912 wrote to memory of 320	1912	klSsrzxwsbxeJQh.exe	klSsrzxwsbxeJQh.exe
PID 1912 wrote to memory of 320	1912	klSsrzxwsbxeJQh.exe	klSsrzxwsbxeJQh.exe
PID 1912 wrote to memory of 320	1912	klSsrzxwsbxeJQh.exe	klSsrzxwsbxeJQh.exe
PID 1912 wrote to memory of 320	1912	klSsrzxwsbxeJQh.exe	klSsrzxwsbxeJQh.exe
PID 1912 wrote to memory of 320	1912	klSsrzxwsbxeJQh.exe	klSsrzxwsbxeJQh.exe
PID 1912 wrote to memory of 320	1912	klSsrzxwsbxeJQh.exe	klSsrzxwsbxeJQh.exe
PID 1288 wrote to memory of 340	1288	Explorer.EXE	NETSTAT.EXE
PID 1288 wrote to memory of 340	1288	Explorer.EXE	NETSTAT.EXE
PID 1288 wrote to memory of 340	1288	Explorer.EXE	NETSTAT.EXE
PID 1288 wrote to memory of 340	1288	Explorer.EXE	NETSTAT.EXE
PID 340 wrote to memory of 1488	340	NETSTAT.EXE	cmd.exe
PID 340 wrote to memory of 1488	340	NETSTAT.EXE	cmd.exe
PID 340 wrote to memory of 1488	340	NETSTAT.EXE	cmd.exe
PID 340 wrote to memory of 1488	340	NETSTAT.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:1288

C:\Users\Admin\AppData\Local\Temp\klSsrzxwsbxeJQh.exe
"C:\Users\Admin\AppData\Local\Temp\klSsrzxwsbxeJQh.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1912

C:\Users\Admin\AppData\Local\Temp\klSsrzxwsbxeJQh.exe
"C:\Users\Admin\AppData\Local\Temp\klSsrzxwsbxeJQh.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:320

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:340

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\klSsrzxwsbxeJQh.exe"
3⤵
- Deletes itself
PID:1488

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/320-65-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/320-67-0x0000000000990000-0x0000000000C93000-memory.dmp

Filesize
3.0MB

Download
memory/320-68-0x0000000000120000-0x0000000000130000-memory.dmp

Filesize
64KB

Download
memory/320-66-0x000000000041CFC0-mapping.dmp

Download
memory/340-72-0x0000000000580000-0x0000000000589000-memory.dmp

Filesize
36KB

Download
memory/340-73-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/340-77-0x0000000074FB1000-0x0000000074FB3000-memory.dmp

Filesize
8KB

Download
memory/340-75-0x0000000002060000-0x00000000020EF000-memory.dmp

Filesize
572KB

Download
memory/340-70-0x0000000000000000-mapping.dmp

Download
memory/340-74-0x0000000002160000-0x0000000002463000-memory.dmp

Filesize
3.0MB

Download
memory/1288-76-0x0000000005080000-0x000000000514F000-memory.dmp

Filesize
828KB

Download
memory/1288-69-0x0000000004BF0000-0x0000000004CB3000-memory.dmp

Filesize
780KB

Download
memory/1488-71-0x0000000000000000-mapping.dmp

Download
memory/1912-59-0x0000000000F50000-0x0000000000F51000-memory.dmp

Filesize
4KB

Download
memory/1912-64-0x0000000000670000-0x000000000069F000-memory.dmp

Filesize
188KB

Download
memory/1912-61-0x0000000004CB0000-0x0000000004CB1000-memory.dmp

Filesize
4KB

Download
memory/1912-62-0x00000000003F0000-0x00000000003FB000-memory.dmp

Filesize
44KB

Download
memory/1912-63-0x0000000008E70000-0x0000000008EE4000-memory.dmp

Filesize
464KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads