xloader | 2838dffa365f3f4d1b7b4c766cea66dc2be629fe7991c112894a40acae72e601

General

Target

SKM-0614483-pdf.exe
Size

303KB
MD5

71899e3fb25c4c006de92ee2d13471c4
SHA1

181e3f00b56afdf6a51a90011fee175dc80e94d5
SHA256

2838dffa365f3f4d1b7b4c766cea66dc2be629fe7991c112894a40acae72e601
SHA512

287b884a2f261b04f3959efaaffd7efb0019b063dc7a62a610c84268f8ed7735af28277eea2451c67d653fcc08086a945a07e1ed0016f216feadd60b79df2214

Score

10^/10

xloader uar3 loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

uar3

Decoy

sgadvocats.com

mjscannabus.com

hilldaley.com

ksdollhouse.com

hotgiftboutique.com

purebloodsmeet.com

relaunched.info

cap-glove.com

productcollection.store

fulikyy.xyz

remoteaviationjobs.com

bestcleancrystal.com

virtualorganizationpartner.com

bookgocar.com

hattuafhv.quest

makonigroup.com

officecom-myaccount.com

malgorzata-lac.com

e-learningeducators.com

hygilaur.com

Signatures

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2664-116-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2664-119-0x00000000007F0000-0x0000000000985000-memory.dmp	xloader
behavioral2/memory/2404-122-0x00000000006C0000-0x00000000006E9000-memory.dmp	xloader

Loads dropped DLL 1 IoCs

Processes:

SKM-0614483-pdf.exe

pid process

3992 SKM-0614483-pdf.exe

pid	process
3992	SKM-0614483-pdf.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

SKM-0614483-pdf.exeSKM-0614483-pdf.exewlanext.exe

description	pid	process	target process
PID 3992 set thread context of 2664	3992	SKM-0614483-pdf.exe	SKM-0614483-pdf.exe
PID 2664 set thread context of 2164	2664	SKM-0614483-pdf.exe	Explorer.EXE
PID 2404 set thread context of 2164	2404	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 52 IoCs

Processes:

SKM-0614483-pdf.exewlanext.exe

pid	process
2664	SKM-0614483-pdf.exe
2664	SKM-0614483-pdf.exe
2664	SKM-0614483-pdf.exe
2664	SKM-0614483-pdf.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe
2404	wlanext.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2164 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

SKM-0614483-pdf.exewlanext.exe

pid process

2664 SKM-0614483-pdf.exe
2664 SKM-0614483-pdf.exe
2664 SKM-0614483-pdf.exe
2404 wlanext.exe
2404 wlanext.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SKM-0614483-pdf.exewlanext.exe

description pid process

Token: SeDebugPrivilege 2664 SKM-0614483-pdf.exe
Token: SeDebugPrivilege 2404 wlanext.exe

pid	process
2164	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2664	SKM-0614483-pdf.exe
Token: SeDebugPrivilege	2404	wlanext.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

SKM-0614483-pdf.exeExplorer.EXEwlanext.exe

description	pid	process	target process
PID 3992 wrote to memory of 2664	3992	SKM-0614483-pdf.exe	SKM-0614483-pdf.exe
PID 3992 wrote to memory of 2664	3992	SKM-0614483-pdf.exe	SKM-0614483-pdf.exe
PID 3992 wrote to memory of 2664	3992	SKM-0614483-pdf.exe	SKM-0614483-pdf.exe
PID 3992 wrote to memory of 2664	3992	SKM-0614483-pdf.exe	SKM-0614483-pdf.exe
PID 3992 wrote to memory of 2664	3992	SKM-0614483-pdf.exe	SKM-0614483-pdf.exe
PID 3992 wrote to memory of 2664	3992	SKM-0614483-pdf.exe	SKM-0614483-pdf.exe
PID 2164 wrote to memory of 2404	2164	Explorer.EXE	wlanext.exe
PID 2164 wrote to memory of 2404	2164	Explorer.EXE	wlanext.exe
PID 2164 wrote to memory of 2404	2164	Explorer.EXE	wlanext.exe
PID 2404 wrote to memory of 528	2404	wlanext.exe	cmd.exe
PID 2404 wrote to memory of 528	2404	wlanext.exe	cmd.exe
PID 2404 wrote to memory of 528	2404	wlanext.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2164

C:\Users\Admin\AppData\Local\Temp\SKM-0614483-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\SKM-0614483-pdf.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3992

C:\Users\Admin\AppData\Local\Temp\SKM-0614483-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\SKM-0614483-pdf.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2664

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
- Suspicious use of WriteProcessMemory
PID:2404

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\SKM-0614483-pdf.exe"
3⤵
PID:528

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

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Downloads

\Users\Admin\AppData\Local\Temp\nsoFE05.tmp\ldvaswswcl.dll
MD5
411c4d7b3e01e5c24b3513d544dbd037

SHA1
5a2cd1b89fe855798a07cfdc3b275a95c1661f8f

SHA256
2f7226553a30b70c6a343b5e036fbfb82949c42d9371294456239bbfed878e84

SHA512
348f048b6c132ad2463efcfb290490b643b0b7ffaedd0f23778fcefe306db2354039bfc1734ad5e8126bafddd952c9b7c7a1fffac39737cec49ff638e0f54950

Download Submit
memory/2164-120-0x0000000002660000-0x000000000275F000-memory.dmp

Filesize
1020KB

Download
memory/2164-125-0x0000000005B90000-0x0000000005CB9000-memory.dmp

Filesize
1.2MB

Download
memory/2404-121-0x0000000000950000-0x0000000000967000-memory.dmp

Filesize
92KB

Download
memory/2404-122-0x00000000006C0000-0x00000000006E9000-memory.dmp

Filesize
164KB

Download
memory/2404-123-0x0000000002E10000-0x0000000003130000-memory.dmp

Filesize
3.1MB

Download
memory/2404-124-0x0000000002C30000-0x0000000002DCE000-memory.dmp

Filesize
1.6MB

Download
memory/2664-116-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2664-118-0x0000000000990000-0x0000000000CB0000-memory.dmp

Filesize
3.1MB

Download
memory/2664-119-0x00000000007F0000-0x0000000000985000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads