xloader | f8d1c5af5232520c1d2a2fc161653d57f0e8f3d7ce04db204d4a2c1d646ea2cf

General

Target

WTH3T14PEXvO4Yn.exe
Size

556KB
MD5

d1202be1c5788f37e6a1f5d382c760ff
SHA1

f284448cf2b12e5317a4f6abeb6064e418aa4fd6
SHA256

f8d1c5af5232520c1d2a2fc161653d57f0e8f3d7ce04db204d4a2c1d646ea2cf
SHA512

e5ed94191d82ae4bd8671912205f5a63b72445b559160ee259bd7ebf546674a4d0d88d3f5f9432e1492d69dcbff87c15f142d1e3c7e20362b2e2cea49b2dac0b

Score

10^/10

xloader pufi loader rat

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

pufi

C2

http://www.homestechs.com/pufi/

Decoy

fusiongroupgames.net

hugevari.com

rebeccagriffiths.com

trocaoferta.com

theslashapp.com

codezonesoftware.xyz

sottocommunications.com

minicreators.online

course2millions.com

hfm5n1dhkjqwpe.xyz

xlab-ub.com

silvanaribeirocake.com

thefabinteriordesign.com

mg-leadership.com

petbort.com

ndust.net

203040302.xyz

jakital.com

shophuunghia.info

rednacionaldejuecesrd.net

Signatures

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

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/624-63-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral1/memory/624-64-0x000000000041D450-mapping.dmp	xloader
behavioral1/memory/1072-73-0x0000000000090000-0x00000000000B9000-memory.dmp	xloader

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1472 cmd.exe

pid	process
1472	cmd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

WTH3T14PEXvO4Yn.exeWTH3T14PEXvO4Yn.exerundll32.exe

description	pid	process	target process
PID 1088 set thread context of 624	1088	WTH3T14PEXvO4Yn.exe	WTH3T14PEXvO4Yn.exe
PID 624 set thread context of 1384	624	WTH3T14PEXvO4Yn.exe	Explorer.EXE
PID 1072 set thread context of 1384	1072	rundll32.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 22 IoCs

Processes:

WTH3T14PEXvO4Yn.exerundll32.exe

pid	process
624	WTH3T14PEXvO4Yn.exe
624	WTH3T14PEXvO4Yn.exe
1072	rundll32.exe
1072	rundll32.exe
1072	rundll32.exe
1072	rundll32.exe
1072	rundll32.exe
1072	rundll32.exe
1072	rundll32.exe
1072	rundll32.exe
1072	rundll32.exe
1072	rundll32.exe
1072	rundll32.exe
1072	rundll32.exe
1072	rundll32.exe
1072	rundll32.exe
1072	rundll32.exe
1072	rundll32.exe
1072	rundll32.exe
1072	rundll32.exe
1072	rundll32.exe
1072	rundll32.exe

Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

WTH3T14PEXvO4Yn.exerundll32.exe

pid process

624 WTH3T14PEXvO4Yn.exe
624 WTH3T14PEXvO4Yn.exe
624 WTH3T14PEXvO4Yn.exe
1072 rundll32.exe
1072 rundll32.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

WTH3T14PEXvO4Yn.exerundll32.exe

description pid process

Token: SeDebugPrivilege 624 WTH3T14PEXvO4Yn.exe
Token: SeDebugPrivilege 1072 rundll32.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

Explorer.EXE

pid process

1384 Explorer.EXE
1384 Explorer.EXE
Suspicious use of SendNotifyMessage 2 IoCs

Processes:

Explorer.EXE

pid process

1384 Explorer.EXE
1384 Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	624	WTH3T14PEXvO4Yn.exe
Token: SeDebugPrivilege	1072	rundll32.exe

pid	process
1384	Explorer.EXE
1384	Explorer.EXE

pid	process
1384	Explorer.EXE
1384	Explorer.EXE

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

WTH3T14PEXvO4Yn.exeExplorer.EXErundll32.exe

description	pid	process	target process
PID 1088 wrote to memory of 624	1088	WTH3T14PEXvO4Yn.exe	WTH3T14PEXvO4Yn.exe
PID 1088 wrote to memory of 624	1088	WTH3T14PEXvO4Yn.exe	WTH3T14PEXvO4Yn.exe
PID 1088 wrote to memory of 624	1088	WTH3T14PEXvO4Yn.exe	WTH3T14PEXvO4Yn.exe
PID 1088 wrote to memory of 624	1088	WTH3T14PEXvO4Yn.exe	WTH3T14PEXvO4Yn.exe
PID 1088 wrote to memory of 624	1088	WTH3T14PEXvO4Yn.exe	WTH3T14PEXvO4Yn.exe
PID 1088 wrote to memory of 624	1088	WTH3T14PEXvO4Yn.exe	WTH3T14PEXvO4Yn.exe
PID 1088 wrote to memory of 624	1088	WTH3T14PEXvO4Yn.exe	WTH3T14PEXvO4Yn.exe
PID 1384 wrote to memory of 1072	1384	Explorer.EXE	rundll32.exe
PID 1384 wrote to memory of 1072	1384	Explorer.EXE	rundll32.exe
PID 1384 wrote to memory of 1072	1384	Explorer.EXE	rundll32.exe
PID 1384 wrote to memory of 1072	1384	Explorer.EXE	rundll32.exe
PID 1384 wrote to memory of 1072	1384	Explorer.EXE	rundll32.exe
PID 1384 wrote to memory of 1072	1384	Explorer.EXE	rundll32.exe
PID 1384 wrote to memory of 1072	1384	Explorer.EXE	rundll32.exe
PID 1072 wrote to memory of 1472	1072	rundll32.exe	cmd.exe
PID 1072 wrote to memory of 1472	1072	rundll32.exe	cmd.exe
PID 1072 wrote to memory of 1472	1072	rundll32.exe	cmd.exe
PID 1072 wrote to memory of 1472	1072	rundll32.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:1384

C:\Users\Admin\AppData\Local\Temp\WTH3T14PEXvO4Yn.exe
"C:\Users\Admin\AppData\Local\Temp\WTH3T14PEXvO4Yn.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1088

C:\Users\Admin\AppData\Local\Temp\WTH3T14PEXvO4Yn.exe
"C:\Users\Admin\AppData\Local\Temp\WTH3T14PEXvO4Yn.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:624

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\SysWOW64\rundll32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1072

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\WTH3T14PEXvO4Yn.exe"
3⤵
- Deletes itself
PID:1472

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/624-62-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/624-67-0x0000000000180000-0x0000000000191000-memory.dmp

Filesize
68KB

Download
memory/624-66-0x00000000008A0000-0x0000000000BA3000-memory.dmp

Filesize
3.0MB

Download
memory/624-64-0x000000000041D450-mapping.dmp

Download
memory/624-63-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/624-61-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/1072-69-0x0000000000000000-mapping.dmp

Download
memory/1072-72-0x0000000000690000-0x000000000069E000-memory.dmp

Filesize
56KB

Download
memory/1072-73-0x0000000000090000-0x00000000000B9000-memory.dmp

Filesize
164KB

Download
memory/1072-74-0x0000000001F90000-0x0000000002293000-memory.dmp

Filesize
3.0MB

Download
memory/1072-75-0x0000000001E70000-0x0000000001F00000-memory.dmp

Filesize
576KB

Download
memory/1088-60-0x0000000004B70000-0x0000000004BBC000-memory.dmp

Filesize
304KB

Download
memory/1088-59-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/1088-58-0x0000000004D40000-0x0000000004D41000-memory.dmp

Filesize
4KB

Download
memory/1088-57-0x0000000075B71000-0x0000000075B73000-memory.dmp

Filesize
8KB

Download
memory/1088-55-0x0000000000E60000-0x0000000000E61000-memory.dmp

Filesize
4KB

Download
memory/1384-68-0x0000000006AC0000-0x0000000006BB4000-memory.dmp

Filesize
976KB

Download
memory/1384-76-0x0000000005E30000-0x0000000005EDC000-memory.dmp

Filesize
688KB

Download
memory/1472-71-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads