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
behavioral1/memory/1172-57-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1172-62-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/980-67-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

272 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

SKM-0614483-pdf.exe

pid process

1564 SKM-0614483-pdf.exe

pid	process
272	cmd.exe

pid	process
1564	SKM-0614483-pdf.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

SKM-0614483-pdf.exeSKM-0614483-pdf.execolorcpl.exe

description	pid	process	target process
PID 1564 set thread context of 1172	1564	SKM-0614483-pdf.exe	SKM-0614483-pdf.exe
PID 1172 set thread context of 1220	1172	SKM-0614483-pdf.exe	Explorer.EXE
PID 1172 set thread context of 1220	1172	SKM-0614483-pdf.exe	Explorer.EXE
PID 980 set thread context of 1220	980	colorcpl.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:

SKM-0614483-pdf.execolorcpl.exe

pid	process
1172	SKM-0614483-pdf.exe
1172	SKM-0614483-pdf.exe
1172	SKM-0614483-pdf.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe
980	colorcpl.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

SKM-0614483-pdf.execolorcpl.exe

pid process

1172 SKM-0614483-pdf.exe
1172 SKM-0614483-pdf.exe
1172 SKM-0614483-pdf.exe
1172 SKM-0614483-pdf.exe
980 colorcpl.exe
980 colorcpl.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SKM-0614483-pdf.execolorcpl.exe

description pid process

Token: SeDebugPrivilege 1172 SKM-0614483-pdf.exe
Token: SeDebugPrivilege 980 colorcpl.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1220 Explorer.EXE
1220 Explorer.EXE

pid	process
1220	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	1172	SKM-0614483-pdf.exe
Token: SeDebugPrivilege	980	colorcpl.exe

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

pid	process
1220	Explorer.EXE
1220	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

SKM-0614483-pdf.exeExplorer.EXEcolorcpl.exe

description	pid	process	target process
PID 1564 wrote to memory of 1172	1564	SKM-0614483-pdf.exe	SKM-0614483-pdf.exe
PID 1564 wrote to memory of 1172	1564	SKM-0614483-pdf.exe	SKM-0614483-pdf.exe
PID 1564 wrote to memory of 1172	1564	SKM-0614483-pdf.exe	SKM-0614483-pdf.exe
PID 1564 wrote to memory of 1172	1564	SKM-0614483-pdf.exe	SKM-0614483-pdf.exe
PID 1564 wrote to memory of 1172	1564	SKM-0614483-pdf.exe	SKM-0614483-pdf.exe
PID 1564 wrote to memory of 1172	1564	SKM-0614483-pdf.exe	SKM-0614483-pdf.exe
PID 1564 wrote to memory of 1172	1564	SKM-0614483-pdf.exe	SKM-0614483-pdf.exe
PID 1220 wrote to memory of 980	1220	Explorer.EXE	colorcpl.exe
PID 1220 wrote to memory of 980	1220	Explorer.EXE	colorcpl.exe
PID 1220 wrote to memory of 980	1220	Explorer.EXE	colorcpl.exe
PID 1220 wrote to memory of 980	1220	Explorer.EXE	colorcpl.exe
PID 980 wrote to memory of 272	980	colorcpl.exe	cmd.exe
PID 980 wrote to memory of 272	980	colorcpl.exe	cmd.exe
PID 980 wrote to memory of 272	980	colorcpl.exe	cmd.exe
PID 980 wrote to memory of 272	980	colorcpl.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1220

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:1564

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:1172

C:\Windows\SysWOW64\colorcpl.exe
"C:\Windows\SysWOW64\colorcpl.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:980

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\SKM-0614483-pdf.exe"
3⤵
- Deletes itself
PID:272

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\nsoF182.tmp\ldvaswswcl.dll
MD5
411c4d7b3e01e5c24b3513d544dbd037

SHA1
5a2cd1b89fe855798a07cfdc3b275a95c1661f8f

SHA256
2f7226553a30b70c6a343b5e036fbfb82949c42d9371294456239bbfed878e84

SHA512
348f048b6c132ad2463efcfb290490b643b0b7ffaedd0f23778fcefe306db2354039bfc1734ad5e8126bafddd952c9b7c7a1fffac39737cec49ff638e0f54950

Download Submit
memory/980-66-0x0000000000AF0000-0x0000000000B08000-memory.dmp

Filesize
96KB

Download
memory/980-69-0x00000000008F0000-0x0000000000980000-memory.dmp

Filesize
576KB

Download
memory/980-68-0x00000000020A0000-0x00000000023A3000-memory.dmp

Filesize
3.0MB

Download
memory/980-67-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1172-59-0x00000000008A0000-0x0000000000BA3000-memory.dmp

Filesize
3.0MB

Download
memory/1172-62-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1172-63-0x0000000000390000-0x00000000003A1000-memory.dmp

Filesize
68KB

Download
memory/1172-60-0x0000000000340000-0x0000000000351000-memory.dmp

Filesize
68KB

Download
memory/1172-57-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1220-64-0x0000000005020000-0x0000000005157000-memory.dmp

Filesize
1.2MB

Download
memory/1220-61-0x0000000004D60000-0x0000000004EAD000-memory.dmp

Filesize
1.3MB

Download
memory/1220-70-0x0000000004AD0000-0x0000000004BBC000-memory.dmp

Filesize
944KB

Download
memory/1564-55-0x00000000756C1000-0x00000000756C3000-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