xloader | f1f2892cd08386e6af2477ff8340a60afb66ac66509e660c76818ea721c7fe6a

General

Target

audio.exe
Size

500KB
MD5

4b311f7098e8c26618b8c2c7366282f4
SHA1

816f73aa214c87fe2704dc8c6a9831f18969ca9b
SHA256

f1f2892cd08386e6af2477ff8340a60afb66ac66509e660c76818ea721c7fe6a
SHA512

da874e66b92be42ec1d2104fe44d8e09383f6aebb192777c105dbbb5899e6f40a7a851791229ee0bdf9d880af50adfe67d60327c6f6ee22a33b096042affec15

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/700-124-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/700-125-0x000000000041D450-mapping.dmp	xloader
behavioral2/memory/3076-133-0x0000000002F10000-0x0000000002F39000-memory.dmp	xloader

Suspicious use of SetThreadContext 3 IoCs

Processes:

audio.exeaudio.exeexplorer.exe

description	pid	process	target process
PID 2664 set thread context of 700	2664	audio.exe	audio.exe
PID 700 set thread context of 2960	700	audio.exe	Explorer.EXE
PID 3076 set thread context of 2960	3076	explorer.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 50 IoCs

Processes:

audio.exeaudio.exeexplorer.exe

pid	process
2664	audio.exe
2664	audio.exe
2664	audio.exe
2664	audio.exe
2664	audio.exe
2664	audio.exe
700	audio.exe
700	audio.exe
700	audio.exe
700	audio.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe
3076	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

2960 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

audio.exeexplorer.exe

pid process

700 audio.exe
700 audio.exe
700 audio.exe
3076 explorer.exe
3076 explorer.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

audio.exeaudio.exeexplorer.exe

description pid process

Token: SeDebugPrivilege 2664 audio.exe
Token: SeDebugPrivilege 700 audio.exe
Token: SeDebugPrivilege 3076 explorer.exe

pid	process
2960	Explorer.EXE

pid	process
700	audio.exe
700	audio.exe
700	audio.exe
3076	explorer.exe
3076	explorer.exe

description	pid	process
Token: SeDebugPrivilege	2664	audio.exe
Token: SeDebugPrivilege	700	audio.exe
Token: SeDebugPrivilege	3076	explorer.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

audio.exeExplorer.EXEexplorer.exe

description	pid	process	target process
PID 2664 wrote to memory of 508	2664	audio.exe	audio.exe
PID 2664 wrote to memory of 508	2664	audio.exe	audio.exe
PID 2664 wrote to memory of 508	2664	audio.exe	audio.exe
PID 2664 wrote to memory of 3988	2664	audio.exe	audio.exe
PID 2664 wrote to memory of 3988	2664	audio.exe	audio.exe
PID 2664 wrote to memory of 3988	2664	audio.exe	audio.exe
PID 2664 wrote to memory of 1508	2664	audio.exe	audio.exe
PID 2664 wrote to memory of 1508	2664	audio.exe	audio.exe
PID 2664 wrote to memory of 1508	2664	audio.exe	audio.exe
PID 2664 wrote to memory of 700	2664	audio.exe	audio.exe
PID 2664 wrote to memory of 700	2664	audio.exe	audio.exe
PID 2664 wrote to memory of 700	2664	audio.exe	audio.exe
PID 2664 wrote to memory of 700	2664	audio.exe	audio.exe
PID 2664 wrote to memory of 700	2664	audio.exe	audio.exe
PID 2664 wrote to memory of 700	2664	audio.exe	audio.exe
PID 2960 wrote to memory of 3076	2960	Explorer.EXE	explorer.exe
PID 2960 wrote to memory of 3076	2960	Explorer.EXE	explorer.exe
PID 2960 wrote to memory of 3076	2960	Explorer.EXE	explorer.exe
PID 3076 wrote to memory of 2956	3076	explorer.exe	cmd.exe
PID 3076 wrote to memory of 2956	3076	explorer.exe	cmd.exe
PID 3076 wrote to memory of 2956	3076	explorer.exe	cmd.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2960

C:\Users\Admin\AppData\Local\Temp\audio.exe
"C:\Users\Admin\AppData\Local\Temp\audio.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2664

C:\Users\Admin\AppData\Local\Temp\audio.exe
"C:\Users\Admin\AppData\Local\Temp\audio.exe"
3⤵
PID:508

C:\Users\Admin\AppData\Local\Temp\audio.exe
"C:\Users\Admin\AppData\Local\Temp\audio.exe"
3⤵
PID:3988

C:\Users\Admin\AppData\Local\Temp\audio.exe
"C:\Users\Admin\AppData\Local\Temp\audio.exe"
3⤵
PID:1508

C:\Users\Admin\AppData\Local\Temp\audio.exe
"C:\Users\Admin\AppData\Local\Temp\audio.exe"
3⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:700

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:3076

C:\Windows\SysWOW64\cmd.exe
/c del "C:\Users\Admin\AppData\Local\Temp\audio.exe"
3⤵
PID:2956

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/700-124-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/700-128-0x0000000001100000-0x000000000124A000-memory.dmp

Filesize
1.3MB

Download
memory/700-127-0x0000000001830000-0x0000000001B50000-memory.dmp

Filesize
3.1MB

Download
memory/700-125-0x000000000041D450-mapping.dmp

Download
memory/2664-121-0x00000000052E0000-0x00000000052E7000-memory.dmp

Filesize
28KB

Download
memory/2664-117-0x0000000005510000-0x0000000005511000-memory.dmp

Filesize
4KB

Download
memory/2664-122-0x0000000005CB0000-0x0000000005CB1000-memory.dmp

Filesize
4KB

Download
memory/2664-123-0x0000000005C60000-0x0000000005CAA000-memory.dmp

Filesize
296KB

Download
memory/2664-120-0x0000000005310000-0x0000000005311000-memory.dmp

Filesize
4KB

Download
memory/2664-119-0x0000000005010000-0x000000000550E000-memory.dmp

Filesize
5.0MB

Download
memory/2664-118-0x0000000004F00000-0x0000000004F01000-memory.dmp

Filesize
4KB

Download
memory/2664-115-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download
memory/2956-131-0x0000000000000000-mapping.dmp

Download
memory/2960-129-0x0000000005990000-0x0000000005AEB000-memory.dmp

Filesize
1.4MB

Download
memory/2960-136-0x00000000068A0000-0x0000000006A0F000-memory.dmp

Filesize
1.4MB

Download
memory/3076-130-0x0000000000000000-mapping.dmp

Download
memory/3076-133-0x0000000002F10000-0x0000000002F39000-memory.dmp

Filesize
164KB

Download
memory/3076-132-0x00000000009D0000-0x0000000000E0F000-memory.dmp

Filesize
4.2MB

Download
memory/3076-134-0x0000000004A00000-0x0000000004D20000-memory.dmp

Filesize
3.1MB

Download
memory/3076-135-0x0000000004750000-0x00000000047E0000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads