xloader | 1d07ba3818460950a41107248ebad65eea18efc3c151aa275be107732f3625d6

General

Target

screenshot.exe
Size

703KB
MD5

3ea0aeb40da1e753c6b9ce2981d25e51
SHA1

3e28a132b435a95adfe9339f93556a78a4d0f41f
SHA256

1d07ba3818460950a41107248ebad65eea18efc3c151aa275be107732f3625d6
SHA512

cd45ff5a4aab4ff7c1d40c0554401c9170a61407df0e23f11f85a28b5733cd504a2c947e858639656b45edd968e544d2358ac350673b0fe384ef8ad641e8a592

Score

10^/10

xloader pufi loader rat suricata

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
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2812-124-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2812-125-0x000000000041D450-mapping.dmp	xloader
behavioral2/memory/2068-132-0x0000000002790000-0x00000000027B9000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

screenshot.exescreenshot.exeexplorer.exe

description	pid	process	target process
PID 3804 set thread context of 2812	3804	screenshot.exe	screenshot.exe
PID 2812 set thread context of 3064	2812	screenshot.exe	Explorer.EXE
PID 2068 set thread context of 3064	2068	explorer.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 48 IoCs

Processes:

screenshot.exeexplorer.exe

pid	process
2812	screenshot.exe
2812	screenshot.exe
2812	screenshot.exe
2812	screenshot.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe
2068	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3064 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

screenshot.exeexplorer.exe

pid process

2812 screenshot.exe
2812 screenshot.exe
2812 screenshot.exe
2068 explorer.exe
2068 explorer.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

screenshot.exeexplorer.exe

description pid process

Token: SeDebugPrivilege 2812 screenshot.exe
Token: SeDebugPrivilege 2068 explorer.exe

pid	process
3064	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2812	screenshot.exe
Token: SeDebugPrivilege	2068	explorer.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

screenshot.exeExplorer.EXEexplorer.exe

description	pid	process	target process
PID 3804 wrote to memory of 2812	3804	screenshot.exe	screenshot.exe
PID 3804 wrote to memory of 2812	3804	screenshot.exe	screenshot.exe
PID 3804 wrote to memory of 2812	3804	screenshot.exe	screenshot.exe
PID 3804 wrote to memory of 2812	3804	screenshot.exe	screenshot.exe
PID 3804 wrote to memory of 2812	3804	screenshot.exe	screenshot.exe
PID 3804 wrote to memory of 2812	3804	screenshot.exe	screenshot.exe
PID 3064 wrote to memory of 2068	3064	Explorer.EXE	explorer.exe
PID 3064 wrote to memory of 2068	3064	Explorer.EXE	explorer.exe
PID 3064 wrote to memory of 2068	3064	Explorer.EXE	explorer.exe
PID 2068 wrote to memory of 1276	2068	explorer.exe	cmd.exe
PID 2068 wrote to memory of 1276	2068	explorer.exe	cmd.exe
PID 2068 wrote to memory of 1276	2068	explorer.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3064

C:\Users\Admin\AppData\Local\Temp\screenshot.exe
"C:\Users\Admin\AppData\Local\Temp\screenshot.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3804

C:\Users\Admin\AppData\Local\Temp\screenshot.exe
"C:\Users\Admin\AppData\Local\Temp\screenshot.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2812

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\SysWOW64\explorer.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2068

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\screenshot.exe"
3⤵
PID:1276

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1276-133-0x0000000000000000-mapping.dmp

Download
memory/2068-130-0x0000000000000000-mapping.dmp

Download
memory/2068-135-0x00000000046B0000-0x0000000004740000-memory.dmp

Filesize
576KB

Download
memory/2068-134-0x00000000047A0000-0x0000000004AC0000-memory.dmp

Filesize
3.1MB

Download
memory/2068-131-0x0000000000250000-0x000000000068F000-memory.dmp

Filesize
4.2MB

Download
memory/2068-132-0x0000000002790000-0x00000000027B9000-memory.dmp

Filesize
164KB

Download
memory/2812-128-0x00000000013F0000-0x0000000001401000-memory.dmp

Filesize
68KB

Download
memory/2812-124-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/2812-125-0x000000000041D450-mapping.dmp

Download
memory/2812-127-0x00000000014E0000-0x0000000001800000-memory.dmp

Filesize
3.1MB

Download
memory/3064-129-0x0000000005E20000-0x0000000005F55000-memory.dmp

Filesize
1.2MB

Download
memory/3064-136-0x0000000002620000-0x00000000026F8000-memory.dmp

Filesize
864KB

Download
memory/3804-122-0x0000000006AB0000-0x0000000006AB1000-memory.dmp

Filesize
4KB

Download
memory/3804-123-0x0000000006B50000-0x0000000006B9C000-memory.dmp

Filesize
304KB

Download
memory/3804-121-0x0000000004B20000-0x0000000004BB2000-memory.dmp

Filesize
584KB

Download
memory/3804-120-0x0000000004F40000-0x0000000004F47000-memory.dmp

Filesize
28KB

Download
memory/3804-119-0x0000000004BF0000-0x0000000004BF1000-memory.dmp

Filesize
4KB

Download
memory/3804-118-0x0000000004C10000-0x0000000004C11000-memory.dmp

Filesize
4KB

Download
memory/3804-117-0x0000000005110000-0x0000000005111000-memory.dmp

Filesize
4KB

Download
memory/3804-115-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads