xloader | bfcba701c60d864983f5b9c9b5975f8933e650cc426decbef8180f740a10b9fe

General

Target

P.O.exe
Size

207KB
MD5

eb71efe60cabc2d6aa9a49a82a4ded77
SHA1

c188402835e985adac142eee6e0b31fd4c0c0ae6
SHA256

9b70fcd07ba7d3dcef17f3b28cf75e304840a67e8611dc149744215f8483066d
SHA512

3654b1ff3b57ca883b6fc6d086a8c90654f3e59f2efbe7341677ac85216bc8c1d2bc448940081eb9852f10f43a51d71f4eeef05445e046b9726108f792bdc1c2

Score

10^/10

xloader loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.onyxcomputing.com/u8nw/

Decoy

constructionjadams.com

organicwellnessfarm.com

beautiful.tours

medvows.com

foxparanormal.com

fsmxmc.com

graniterealestategroup.net

qgi1.com

astrologicsolutions.com

rafbar.com

bastiontools.net

emotist.com

stacyleets.com

bloodtypealpha.com

healtybenenfitsplus.com

vavadadoa3.com

chefbenhk.com

dotgz.com

xn--z4qm188e645c.com

ethyi.com

Signatures

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

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/2040-64-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/316-73-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

524 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

P.O.exe

pid process

1304 P.O.exe

pid	process
524	cmd.exe

pid	process
1304	P.O.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

P.O.exeP.O.execmmon32.exe

description	pid	process	target process
PID 1304 set thread context of 2040	1304	P.O.exe	P.O.exe
PID 2040 set thread context of 1196	2040	P.O.exe	Explorer.EXE
PID 2040 set thread context of 1196	2040	P.O.exe	Explorer.EXE
PID 316 set thread context of 1196	316	cmmon32.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 30 IoCs

Processes:

P.O.execmmon32.exe

pid	process
2040	P.O.exe
2040	P.O.exe
2040	P.O.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe
316	cmmon32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1196 Explorer.EXE
Suspicious behavior: MapViewOfSection 7 IoCs

Processes:

P.O.exeP.O.execmmon32.exe

pid process

1304 P.O.exe
2040 P.O.exe
2040 P.O.exe
2040 P.O.exe
2040 P.O.exe
316 cmmon32.exe
316 cmmon32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

P.O.execmmon32.exe

description pid process

Token: SeDebugPrivilege 2040 P.O.exe
Token: SeDebugPrivilege 316 cmmon32.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE
1196 Explorer.EXE

pid	process
1196	Explorer.EXE

pid	process
1304	P.O.exe
2040	P.O.exe
2040	P.O.exe
2040	P.O.exe
2040	P.O.exe
316	cmmon32.exe
316	cmmon32.exe

description	pid	process
Token: SeDebugPrivilege	2040	P.O.exe
Token: SeDebugPrivilege	316	cmmon32.exe

pid	process
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE

pid	process
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE
1196	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

P.O.exeExplorer.EXEcmmon32.exe

description	pid	process	target process
PID 1304 wrote to memory of 2040	1304	P.O.exe	P.O.exe
PID 1304 wrote to memory of 2040	1304	P.O.exe	P.O.exe
PID 1304 wrote to memory of 2040	1304	P.O.exe	P.O.exe
PID 1304 wrote to memory of 2040	1304	P.O.exe	P.O.exe
PID 1304 wrote to memory of 2040	1304	P.O.exe	P.O.exe
PID 1196 wrote to memory of 316	1196	Explorer.EXE	cmmon32.exe
PID 1196 wrote to memory of 316	1196	Explorer.EXE	cmmon32.exe
PID 1196 wrote to memory of 316	1196	Explorer.EXE	cmmon32.exe
PID 1196 wrote to memory of 316	1196	Explorer.EXE	cmmon32.exe
PID 316 wrote to memory of 524	316	cmmon32.exe	cmd.exe
PID 316 wrote to memory of 524	316	cmmon32.exe	cmd.exe
PID 316 wrote to memory of 524	316	cmmon32.exe	cmd.exe
PID 316 wrote to memory of 524	316	cmmon32.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:1196

C:\Users\Admin\AppData\Local\Temp\P.O.exe
"C:\Users\Admin\AppData\Local\Temp\P.O.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1304

C:\Users\Admin\AppData\Local\Temp\P.O.exe
"C:\Users\Admin\AppData\Local\Temp\P.O.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2040

C:\Windows\SysWOW64\cmmon32.exe
"C:\Windows\SysWOW64\cmmon32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:316

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\P.O.exe"
3⤵
- Deletes itself
PID:524

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

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\nsn6E4F.tmp\b0xkyuw645iggtc.dll
MD5
2919e2af8bb7f84e49c7b8a2eeea5ce2

SHA1
6c039175895e89dbcebd2c6137704e10f7257fd4

SHA256
615a7c9635e83ef8fe9040d0f37b9f96fa28fbb9333cfd52a1ee3d74ef195904

SHA512
122c9afb6826b67501cf5cefa13bbb7a9a50fea3011662a767655ce545d3a3d999593c490dbf1ce9b632e759b2576a587c9ab48f1a2da5c3d410f92b05631650

Download Submit
memory/316-72-0x0000000000140000-0x000000000014D000-memory.dmp

Filesize
52KB

Download
memory/316-75-0x0000000001D70000-0x0000000001DFF000-memory.dmp

Filesize
572KB

Download
memory/316-74-0x0000000001F30000-0x0000000002233000-memory.dmp

Filesize
3.0MB

Download
memory/316-73-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/316-70-0x0000000000000000-mapping.dmp

Download
memory/524-71-0x0000000000000000-mapping.dmp

Download
memory/1196-76-0x0000000006F40000-0x000000000705C000-memory.dmp

Filesize
1.1MB

Download
memory/1196-67-0x0000000004280000-0x000000000437A000-memory.dmp

Filesize
1000KB

Download
memory/1196-69-0x0000000006490000-0x00000000065AF000-memory.dmp

Filesize
1.1MB

Download
memory/1304-62-0x00000000003E0000-0x00000000003E2000-memory.dmp

Filesize
8KB

Download
memory/1304-60-0x0000000075AD1000-0x0000000075AD3000-memory.dmp

Filesize
8KB

Download
memory/2040-65-0x00000000008C0000-0x0000000000BC3000-memory.dmp

Filesize
3.0MB

Download
memory/2040-68-0x0000000000360000-0x0000000000370000-memory.dmp

Filesize
64KB

Download
memory/2040-66-0x0000000000270000-0x0000000000280000-memory.dmp

Filesize
64KB

Download
memory/2040-64-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2040-63-0x000000000041D0C0-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads