xloader | d47bd2ff5d90d64d18485203e59a952e485a39f98e3d54258a578b13d9136ae7

General

Target

Halkbank_Ekstre_20220128_081138_756957 (1).exe
Size

17KB
MD5

749aaf49615aa07edc9755541b213a4a
SHA1

8e856cae4e8d14c7d37f5d8342fc2d30acfede64
SHA256

d47bd2ff5d90d64d18485203e59a952e485a39f98e3d54258a578b13d9136ae7
SHA512

a3b731a35b418ab43efc8d09e2373bb659dc78fa8408fa6edc6da66d13e03f13228b6db22eab4a47be96a99c162c09d01565182e3684e61a0fa017e9c7b4f7b7

Score

10^/10

xloader po6r loader persistence rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

po6r

Decoy

jnhuichuangxin.com

mubashir.art

extol.design

doyyindh.xyz

milanoautoexperts.com

4thefringe.com

453511.com

sellathonautocredit.com

velgian.com

6672pk.com

wodeluzhou.com

sumiyoshiku-hizaita.xyz

imoveldeprimeira.com

dgjssp.com

endokc.com

side-clicks.com

cashndashfinancial.com

vanhemelryck.info

agamitrading.com

woofgang.xyz

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

Halkbank_Ekstre_20220128_081138_756957 (1).exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,\"C:\\Users\\Admin\\AppData\\Local\\verify.exe\","	Halkbank_Ekstre_20220128_081138_756957 (1).exe

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/1048-140-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1048-143-0x00000000015D0000-0x0000000001761000-memory.dmp	xloader
behavioral2/memory/1560-146-0x0000000002800000-0x0000000002829000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

Halkbank_Ekstre_20220128_081138_756957 (1).exeHalkbank_Ekstre_20220128_081138_756957 (1).exewlanext.exe

description	pid	process	target process
PID 2708 set thread context of 1048	2708	Halkbank_Ekstre_20220128_081138_756957 (1).exe	Halkbank_Ekstre_20220128_081138_756957 (1).exe
PID 1048 set thread context of 3032	1048	Halkbank_Ekstre_20220128_081138_756957 (1).exe	Explorer.EXE
PID 1560 set thread context of 3032	1560	wlanext.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 29 IoCs

Processes:

powershell.exeHalkbank_Ekstre_20220128_081138_756957 (1).exeHalkbank_Ekstre_20220128_081138_756957 (1).exewlanext.exe

pid	process
1488	powershell.exe
1488	powershell.exe
1488	powershell.exe
2708	Halkbank_Ekstre_20220128_081138_756957 (1).exe
2708	Halkbank_Ekstre_20220128_081138_756957 (1).exe
2708	Halkbank_Ekstre_20220128_081138_756957 (1).exe
2708	Halkbank_Ekstre_20220128_081138_756957 (1).exe
2708	Halkbank_Ekstre_20220128_081138_756957 (1).exe
2708	Halkbank_Ekstre_20220128_081138_756957 (1).exe
1048	Halkbank_Ekstre_20220128_081138_756957 (1).exe
1048	Halkbank_Ekstre_20220128_081138_756957 (1).exe
1048	Halkbank_Ekstre_20220128_081138_756957 (1).exe
1048	Halkbank_Ekstre_20220128_081138_756957 (1).exe
1560	wlanext.exe
1560	wlanext.exe
1560	wlanext.exe
1560	wlanext.exe
1560	wlanext.exe
1560	wlanext.exe
1560	wlanext.exe
1560	wlanext.exe
1560	wlanext.exe
1560	wlanext.exe
1560	wlanext.exe
1560	wlanext.exe
1560	wlanext.exe
1560	wlanext.exe
1560	wlanext.exe
1560	wlanext.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

Halkbank_Ekstre_20220128_081138_756957 (1).exewlanext.exe

pid	process
1048	Halkbank_Ekstre_20220128_081138_756957 (1).exe
1048	Halkbank_Ekstre_20220128_081138_756957 (1).exe
1048	Halkbank_Ekstre_20220128_081138_756957 (1).exe
1560	wlanext.exe
1560	wlanext.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exeHalkbank_Ekstre_20220128_081138_756957 (1).exeHalkbank_Ekstre_20220128_081138_756957 (1).exewlanext.exe

description	pid	process
Token: SeDebugPrivilege	1488	powershell.exe
Token: SeDebugPrivilege	2708	Halkbank_Ekstre_20220128_081138_756957 (1).exe
Token: SeDebugPrivilege	1048	Halkbank_Ekstre_20220128_081138_756957 (1).exe
Token: SeDebugPrivilege	1560	wlanext.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Halkbank_Ekstre_20220128_081138_756957 (1).exeExplorer.EXE

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3032

C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20220128_081138_756957 (1).exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20220128_081138_756957 (1).exe"
2⤵
- Modifies WinLogon for persistence
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2708

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc WwBUAGgAcgBlAGEAZABpAG4AZwAuAFQAaAByAGUAYQBkAF0AOgA6AFMAbABlAGUAcAAoADIAMAAwADAAMAApAA==
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1488

C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20220128_081138_756957 (1).exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20220128_081138_756957 (1).exe"
3⤵
PID:3372

C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20220128_081138_756957 (1).exe
"C:\Users\Admin\AppData\Local\Temp\Halkbank_Ekstre_20220128_081138_756957 (1).exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1048

C:\Windows\SysWOW64\wlanext.exe
"C:\Windows\SysWOW64\wlanext.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:1560

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/1048-140-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1048-143-0x00000000015D0000-0x0000000001761000-memory.dmp

Filesize
1.6MB

Download
memory/1048-142-0x0000000001770000-0x0000000001A90000-memory.dmp

Filesize
3.1MB

Download
memory/1488-126-0x0000000007CE0000-0x0000000007D46000-memory.dmp

Filesize
408KB

Download
memory/1488-121-0x0000000004980000-0x00000000049B6000-memory.dmp

Filesize
216KB

Download
memory/1488-125-0x0000000007310000-0x0000000007332000-memory.dmp

Filesize
136KB

Download
memory/1488-124-0x0000000004DF0000-0x0000000006F80000-memory.dmp

Filesize
33.6MB

Download
memory/1488-127-0x00000000074B0000-0x0000000007516000-memory.dmp

Filesize
408KB

Download
memory/1488-128-0x0000000007D50000-0x00000000080A0000-memory.dmp

Filesize
3.3MB

Download
memory/1488-129-0x0000000007590000-0x00000000075AC000-memory.dmp

Filesize
112KB

Download
memory/1488-130-0x00000000080A0000-0x00000000080EB000-memory.dmp

Filesize
300KB

Download
memory/1488-131-0x00000000084E0000-0x0000000008556000-memory.dmp

Filesize
472KB

Download
memory/1488-122-0x00000000075B0000-0x0000000007BD8000-memory.dmp

Filesize
6.2MB

Download
memory/1488-123-0x0000000004DF0000-0x0000000006F80000-memory.dmp

Filesize
33.6MB

Download
memory/1560-146-0x0000000002800000-0x0000000002829000-memory.dmp

Filesize
164KB

Download
memory/1560-145-0x0000000000040000-0x0000000000057000-memory.dmp

Filesize
92KB

Download
memory/1560-147-0x0000000002A50000-0x0000000002D70000-memory.dmp

Filesize
3.1MB

Download
memory/1560-148-0x00000000029C0000-0x0000000002A50000-memory.dmp

Filesize
576KB

Download
memory/2708-137-0x0000000005F10000-0x0000000005F58000-memory.dmp

Filesize
288KB

Download
memory/2708-138-0x0000000005F60000-0x0000000005FAC000-memory.dmp

Filesize
304KB

Download
memory/2708-139-0x0000000001040000-0x00000000010D2000-memory.dmp

Filesize
584KB

Download
memory/2708-136-0x0000000005CC0000-0x0000000005D4E000-memory.dmp

Filesize
568KB

Download
memory/2708-135-0x00000000059B0000-0x00000000059B1000-memory.dmp

Filesize
4KB

Download
memory/2708-118-0x0000000000830000-0x000000000083A000-memory.dmp

Filesize
40KB

Download
memory/3032-144-0x0000000001050000-0x0000000001146000-memory.dmp

Filesize
984KB

Download
memory/3032-149-0x0000000002D90000-0x0000000002E92000-memory.dmp

Filesize
1.0MB

Download

description	pid	process	target process
PID 2708 wrote to memory of 1488	2708	Halkbank_Ekstre_20220128_081138_756957 (1).exe	powershell.exe
PID 2708 wrote to memory of 1488	2708	Halkbank_Ekstre_20220128_081138_756957 (1).exe	powershell.exe
PID 2708 wrote to memory of 1488	2708	Halkbank_Ekstre_20220128_081138_756957 (1).exe	powershell.exe
PID 2708 wrote to memory of 3372	2708	Halkbank_Ekstre_20220128_081138_756957 (1).exe	Halkbank_Ekstre_20220128_081138_756957 (1).exe
PID 2708 wrote to memory of 3372	2708	Halkbank_Ekstre_20220128_081138_756957 (1).exe	Halkbank_Ekstre_20220128_081138_756957 (1).exe
PID 2708 wrote to memory of 3372	2708	Halkbank_Ekstre_20220128_081138_756957 (1).exe	Halkbank_Ekstre_20220128_081138_756957 (1).exe
PID 2708 wrote to memory of 1048	2708	Halkbank_Ekstre_20220128_081138_756957 (1).exe	Halkbank_Ekstre_20220128_081138_756957 (1).exe
PID 2708 wrote to memory of 1048	2708	Halkbank_Ekstre_20220128_081138_756957 (1).exe	Halkbank_Ekstre_20220128_081138_756957 (1).exe
PID 2708 wrote to memory of 1048	2708	Halkbank_Ekstre_20220128_081138_756957 (1).exe	Halkbank_Ekstre_20220128_081138_756957 (1).exe
PID 2708 wrote to memory of 1048	2708	Halkbank_Ekstre_20220128_081138_756957 (1).exe	Halkbank_Ekstre_20220128_081138_756957 (1).exe
PID 2708 wrote to memory of 1048	2708	Halkbank_Ekstre_20220128_081138_756957 (1).exe	Halkbank_Ekstre_20220128_081138_756957 (1).exe
PID 2708 wrote to memory of 1048	2708	Halkbank_Ekstre_20220128_081138_756957 (1).exe	Halkbank_Ekstre_20220128_081138_756957 (1).exe
PID 3032 wrote to memory of 1560	3032	Explorer.EXE	wlanext.exe
PID 3032 wrote to memory of 1560	3032	Explorer.EXE	wlanext.exe
PID 3032 wrote to memory of 1560	3032	Explorer.EXE	wlanext.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads