xloader | 6b92dd05b73397369b13a8f5244ce67f0fa29953ed7d4cbdcbd48fd1097239aa

General

Target

raw file.exe
Size

207KB
MD5

8fa3305b6265fa3c61f58ce580b07f54
SHA1

2123a32738d6f92cd893c7a67603e14042c849b6
SHA256

18ff6408798a94561e9fc4f6fb43dcc279b9b98a554e5cd26ab1944f7b75e35a
SHA512

296a848fb00a4e9b52ee02c761f5e9eb1d973b52aa60d1ac03a9decfe4e4202a0e04f315c334846f15ce6aef65ded028c5a93a87a1d84861c7b376db6602971a

Score

10^/10

xloader loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

C2

http://www.citestaccnt1597666144.com/ud9e/

Decoy

casezs.com

gascubby.com

pekodains.com

superskosh.com

avktinfracon.com

slink.finance

thegreathopeofearth.com

thebattleofthestars.com

utmxpxq.icu

mamaandbabycleaningservice.com

officialtimelessbeauty.com

keeper.network

leyingcp.com

helpforharrysheroes.com

cohenforleehealthboard.com

wsilhavy.net

logisticsconsultinglimited.com

btechnician.com

dynamicpersiankitten.com

nuplaz.com

Signatures

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

Xloader Payload 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/788-63-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/1092-70-0x0000000000080000-0x00000000000A9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1900 cmd.exe
Loads dropped DLL 1 IoCs

Processes:

raw file.exe

pid process

2000 raw file.exe

pid	process
1900	cmd.exe

pid	process
2000	raw file.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

raw file.exeraw file.exeNAPSTAT.EXE

description	pid	process	target process
PID 2000 set thread context of 788	2000	raw file.exe	raw file.exe
PID 788 set thread context of 1256	788	raw file.exe	Explorer.EXE
PID 1092 set thread context of 1256	1092	NAPSTAT.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 31 IoCs

Processes:

raw file.exeNAPSTAT.EXE

pid	process
788	raw file.exe
788	raw file.exe
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

1256 Explorer.EXE
Suspicious behavior: MapViewOfSection 6 IoCs

Processes:

raw file.exeraw file.exeNAPSTAT.EXE

pid process

2000 raw file.exe
788 raw file.exe
788 raw file.exe
788 raw file.exe
1092 NAPSTAT.EXE
1092 NAPSTAT.EXE
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

raw file.exeNAPSTAT.EXE

description pid process

Token: SeDebugPrivilege 788 raw file.exe
Token: SeDebugPrivilege 1092 NAPSTAT.EXE
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

Explorer.EXE

pid process

1256 Explorer.EXE
1256 Explorer.EXE
1256 Explorer.EXE
1256 Explorer.EXE
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

Explorer.EXE

pid process

1256 Explorer.EXE
1256 Explorer.EXE
1256 Explorer.EXE
1256 Explorer.EXE

pid	process
1256	Explorer.EXE

pid	process
2000	raw file.exe
788	raw file.exe
788	raw file.exe
788	raw file.exe
1092	NAPSTAT.EXE
1092	NAPSTAT.EXE

description	pid	process
Token: SeDebugPrivilege	788	raw file.exe
Token: SeDebugPrivilege	1092	NAPSTAT.EXE

pid	process
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE

pid	process
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

raw file.exeExplorer.EXENAPSTAT.EXE

description	pid	process	target process
PID 2000 wrote to memory of 788	2000	raw file.exe	raw file.exe
PID 2000 wrote to memory of 788	2000	raw file.exe	raw file.exe
PID 2000 wrote to memory of 788	2000	raw file.exe	raw file.exe
PID 2000 wrote to memory of 788	2000	raw file.exe	raw file.exe
PID 2000 wrote to memory of 788	2000	raw file.exe	raw file.exe
PID 1256 wrote to memory of 1092	1256	Explorer.EXE	NAPSTAT.EXE
PID 1256 wrote to memory of 1092	1256	Explorer.EXE	NAPSTAT.EXE
PID 1256 wrote to memory of 1092	1256	Explorer.EXE	NAPSTAT.EXE
PID 1256 wrote to memory of 1092	1256	Explorer.EXE	NAPSTAT.EXE
PID 1092 wrote to memory of 1900	1092	NAPSTAT.EXE	cmd.exe
PID 1092 wrote to memory of 1900	1092	NAPSTAT.EXE	cmd.exe
PID 1092 wrote to memory of 1900	1092	NAPSTAT.EXE	cmd.exe
PID 1092 wrote to memory of 1900	1092	NAPSTAT.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:1256

C:\Users\Admin\AppData\Local\Temp\raw file.exe
"C:\Users\Admin\AppData\Local\Temp\raw file.exe"
2⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2000

C:\Users\Admin\AppData\Local\Temp\raw file.exe
"C:\Users\Admin\AppData\Local\Temp\raw file.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:788

C:\Windows\SysWOW64\NAPSTAT.EXE
"C:\Windows\SysWOW64\NAPSTAT.EXE"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1092

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\raw file.exe"
3⤵
- Deletes itself
PID:1900

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\nsn753.tmp\is9y8jp353gr7.dll

MD5
75ffa9f5a113fa24ef7407dd7de06b7c

SHA1
6abc5f546cf8aeb787bdf78fb8a8ec29cdec9e8c

SHA256
0dec7f6c951a3281159d164b5bb06b2de106fa2b51942d8d5b662f49bbed881b

SHA512
cbb5a42045533ad7850a867240b6bd8edffe4e3f39f3ff89b75657c3817da820a46f1612f31aea499f137488a2c56b5817e34180d25ea472ad21f25b3372f50c

Download Submit
memory/788-65-0x00000000002A0000-0x00000000002B0000-memory.dmp

Filesize
64KB

Download
memory/788-64-0x0000000000820000-0x0000000000B23000-memory.dmp

Filesize
3.0MB

Download
memory/788-62-0x000000000041D110-mapping.dmp

Download
memory/788-63-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1092-67-0x0000000000000000-mapping.dmp

Download
memory/1092-69-0x0000000000830000-0x0000000000876000-memory.dmp

Filesize
280KB

Download
memory/1092-71-0x0000000001FA0000-0x00000000022A3000-memory.dmp

Filesize
3.0MB

Download
memory/1092-70-0x0000000000080000-0x00000000000A9000-memory.dmp

Filesize
164KB

Download
memory/1092-72-0x00000000003F0000-0x000000000047F000-memory.dmp

Filesize
572KB

Download
memory/1256-66-0x0000000005080000-0x00000000051A6000-memory.dmp

Filesize
1.1MB

Download
memory/1256-73-0x00000000051B0000-0x0000000005283000-memory.dmp

Filesize
844KB

Download
memory/1900-68-0x0000000000000000-mapping.dmp

Download
memory/2000-59-0x00000000765F1000-0x00000000765F3000-memory.dmp

Filesize
8KB

Download
memory/2000-61-0x0000000001E00000-0x0000000001E02000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads