xloader | 425f5003a91d1ecced29d4e5a5746806d0b7d5d4a3833c13b88677a3c27eb0de

General

Target

KONUgynwW37Tb1K.exe
Size

398KB
MD5

bb040b47d2f6f564bb5fdb59ff610ced
SHA1

ff31a2d5284d43b4f2ffd27594bddf8352db3149
SHA256

425f5003a91d1ecced29d4e5a5746806d0b7d5d4a3833c13b88677a3c27eb0de
SHA512

c91949fea00e5cdddbee1daf914b1806f2b458a3bde2842f90d0f43d4e3247b952f8780443c4cce50c4c42c07ec32b4f514c87b427eca3a323087556b2eb7721

Score

10^/10

xloader cbgo loader rat suricata

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

cbgo

Decoy

tablescaperendezvous4two.net

abktransportllc.net

roseevision.com

skategrindingwheels.com

robux-generator-free.xyz

yacusi.com

mgav35.xyz

paravocecommerce.com

venkatramanrm.com

freakyhamster.com

jenaashoponline.com

dmozlisting.com

lorrainekclark.store

handyman-prime.com

thecrashingbrains.com

ukpms.com

livingstonemines.com

papeisonline.com

chrisbakerpr.com

omnipets.store

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 4 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/632-62-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/632-63-0x000000000041D3D0-mapping.dmp	xloader
behavioral1/memory/632-68-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1464-73-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1840 cmd.exe

pid	process
1840	cmd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

KONUgynwW37Tb1K.exeKONUgynwW37Tb1K.exechkdsk.exe

description	pid	process	target process
PID 1632 set thread context of 632	1632	KONUgynwW37Tb1K.exe	KONUgynwW37Tb1K.exe
PID 632 set thread context of 1380	632	KONUgynwW37Tb1K.exe	Explorer.EXE
PID 632 set thread context of 1380	632	KONUgynwW37Tb1K.exe	Explorer.EXE
PID 1464 set thread context of 1380	1464	chkdsk.exe	Explorer.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

chkdsk.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier chkdsk.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

KONUgynwW37Tb1K.exechkdsk.exe

pid	process
632	KONUgynwW37Tb1K.exe
632	KONUgynwW37Tb1K.exe
632	KONUgynwW37Tb1K.exe
1464	chkdsk.exe
1464	chkdsk.exe
1464	chkdsk.exe
1464	chkdsk.exe
1464	chkdsk.exe
1464	chkdsk.exe
1464	chkdsk.exe
1464	chkdsk.exe
1464	chkdsk.exe
1464	chkdsk.exe
1464	chkdsk.exe
1464	chkdsk.exe
1464	chkdsk.exe
1464	chkdsk.exe
1464	chkdsk.exe
1464	chkdsk.exe
1464	chkdsk.exe
1464	chkdsk.exe
1464	chkdsk.exe

Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

KONUgynwW37Tb1K.exechkdsk.exe

pid process

632 KONUgynwW37Tb1K.exe
632 KONUgynwW37Tb1K.exe
632 KONUgynwW37Tb1K.exe
632 KONUgynwW37Tb1K.exe
1464 chkdsk.exe
1464 chkdsk.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

KONUgynwW37Tb1K.exechkdsk.exe

description pid process

Token: SeDebugPrivilege 632 KONUgynwW37Tb1K.exe
Token: SeDebugPrivilege 1464 chkdsk.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1380 Explorer.EXE
1380 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1380 Explorer.EXE
1380 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	632	KONUgynwW37Tb1K.exe
Token: SeDebugPrivilege	1464	chkdsk.exe

pid	process
1380	Explorer.EXE
1380	Explorer.EXE

pid	process
1380	Explorer.EXE
1380	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

KONUgynwW37Tb1K.exeExplorer.EXEchkdsk.exe

description	pid	process	target process
PID 1632 wrote to memory of 632	1632	KONUgynwW37Tb1K.exe	KONUgynwW37Tb1K.exe
PID 1632 wrote to memory of 632	1632	KONUgynwW37Tb1K.exe	KONUgynwW37Tb1K.exe
PID 1632 wrote to memory of 632	1632	KONUgynwW37Tb1K.exe	KONUgynwW37Tb1K.exe
PID 1632 wrote to memory of 632	1632	KONUgynwW37Tb1K.exe	KONUgynwW37Tb1K.exe
PID 1632 wrote to memory of 632	1632	KONUgynwW37Tb1K.exe	KONUgynwW37Tb1K.exe
PID 1632 wrote to memory of 632	1632	KONUgynwW37Tb1K.exe	KONUgynwW37Tb1K.exe
PID 1632 wrote to memory of 632	1632	KONUgynwW37Tb1K.exe	KONUgynwW37Tb1K.exe
PID 1632 wrote to memory of 632	1632	KONUgynwW37Tb1K.exe	KONUgynwW37Tb1K.exe
PID 1632 wrote to memory of 632	1632	KONUgynwW37Tb1K.exe	KONUgynwW37Tb1K.exe
PID 1632 wrote to memory of 632	1632	KONUgynwW37Tb1K.exe	KONUgynwW37Tb1K.exe
PID 1380 wrote to memory of 1464	1380	Explorer.EXE	chkdsk.exe
PID 1380 wrote to memory of 1464	1380	Explorer.EXE	chkdsk.exe
PID 1380 wrote to memory of 1464	1380	Explorer.EXE	chkdsk.exe
PID 1380 wrote to memory of 1464	1380	Explorer.EXE	chkdsk.exe
PID 1464 wrote to memory of 1840	1464	chkdsk.exe	cmd.exe
PID 1464 wrote to memory of 1840	1464	chkdsk.exe	cmd.exe
PID 1464 wrote to memory of 1840	1464	chkdsk.exe	cmd.exe
PID 1464 wrote to memory of 1840	1464	chkdsk.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:1380

C:\Users\Admin\AppData\Local\Temp\KONUgynwW37Tb1K.exe
"C:\Users\Admin\AppData\Local\Temp\KONUgynwW37Tb1K.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1632

C:\Users\Admin\AppData\Local\Temp\KONUgynwW37Tb1K.exe
"C:\Users\Admin\AppData\Local\Temp\KONUgynwW37Tb1K.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:632

C:\Windows\SysWOW64\chkdsk.exe
"C:\Windows\SysWOW64\chkdsk.exe"
2⤵
- Suspicious use of SetThreadContext
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1464

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\KONUgynwW37Tb1K.exe"
3⤵
- Deletes itself
PID:1840

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/632-69-0x00000000001F0000-0x0000000000201000-memory.dmp

Filesize
68KB

Download
memory/632-62-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/632-66-0x0000000000150000-0x0000000000161000-memory.dmp

Filesize
68KB

Download
memory/632-65-0x00000000009E0000-0x0000000000CE3000-memory.dmp

Filesize
3.0MB

Download
memory/632-68-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/632-63-0x000000000041D3D0-mapping.dmp

Download
memory/632-60-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/632-61-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1380-77-0x00000000066B0000-0x00000000067A0000-memory.dmp

Filesize
960KB

Download
memory/1380-67-0x0000000006BD0000-0x0000000006D2E000-memory.dmp

Filesize
1.4MB

Download
memory/1380-70-0x00000000072B0000-0x00000000073F9000-memory.dmp

Filesize
1.3MB

Download
memory/1464-71-0x0000000000000000-mapping.dmp

Download
memory/1464-76-0x00000000006B0000-0x0000000000740000-memory.dmp

Filesize
576KB

Download
memory/1464-73-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1464-74-0x0000000002030000-0x0000000002333000-memory.dmp

Filesize
3.0MB

Download
memory/1464-72-0x0000000000770000-0x0000000000777000-memory.dmp

Filesize
28KB

Download
memory/1632-59-0x0000000000EC0000-0x0000000000F1E000-memory.dmp

Filesize
376KB

Download
memory/1632-54-0x0000000001120000-0x000000000118A000-memory.dmp

Filesize
424KB

Download
memory/1632-58-0x00000000006A0000-0x00000000006B0000-memory.dmp

Filesize
64KB

Download
memory/1632-55-0x0000000001120000-0x000000000118A000-memory.dmp

Filesize
424KB

Download
memory/1632-56-0x0000000076141000-0x0000000076143000-memory.dmp

Filesize
8KB

Download
memory/1632-57-0x00000000048E0000-0x00000000048E1000-memory.dmp

Filesize
4KB

Download
memory/1840-75-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads