xloader | f5e9658f44135be66cc2cb4862c67326c803871e49a73b0376b266cb95c41f52

Analysis

max time kernel
148s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 14:25

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General

Target

1b58203ecd7ef5d31ea39a5218b40115.exe
Size

490KB
MD5

1b58203ecd7ef5d31ea39a5218b40115
SHA1

2770e86784c8e3bc62f59a02c92390bd74b6dc98
SHA256

f5e9658f44135be66cc2cb4862c67326c803871e49a73b0376b266cb95c41f52
SHA512

1f5e3a616713cf8daa6778ab6a895ed488ac294bf677b967ff68dec9a8fd0a14c679f4e0d79131640566f95f27cbf0bebf9f5291f70b7cd26e405a05b296fe9e
SSDEEP

12288:dtfEdMQEJJMkdBvd1Zy8OfGPAE9Zsi4hdStfDWc8Q2tZsi:dtsdoJuEBvd1g5fGPP9Zsf

Score

10^/10

xloader k8b5 loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

k8b5

Decoy

sardamedicals.com

reelectkendavis4council.com

coreconsultation.com

fajarazhary.com

mybitearner.com

brightpet.info

voicewithchoice.com

bailbondscompany.xyz

7133333333.com

delights.info

gawlvegdr.icu

sdqhpm.com

we2savvyok.com

primallifeathlete.com

gdsinglecell.com

isokineticmachines.com

smartneckrelax.com

gardenvintage.com

hiphopvolume.com

medicapoint.com

Signatures

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

Xloader payload 1 IoCs

rat

resource	yara_rule
behavioral2/memory/4968-12-0x0000000000400000-0x0000000000429000-memory.dmp	xloader

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2540 set thread context of 4968	2540	1b58203ecd7ef5d31ea39a5218b40115.exe	102

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4968	1b58203ecd7ef5d31ea39a5218b40115.exe
4968	1b58203ecd7ef5d31ea39a5218b40115.exe
4968	1b58203ecd7ef5d31ea39a5218b40115.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 4968	2540	1b58203ecd7ef5d31ea39a5218b40115.exe	102
PID 2540 wrote to memory of 4968	2540	1b58203ecd7ef5d31ea39a5218b40115.exe	102
PID 2540 wrote to memory of 4968	2540	1b58203ecd7ef5d31ea39a5218b40115.exe	102
PID 2540 wrote to memory of 4968	2540	1b58203ecd7ef5d31ea39a5218b40115.exe	102
PID 2540 wrote to memory of 4968	2540	1b58203ecd7ef5d31ea39a5218b40115.exe	102
PID 2540 wrote to memory of 4968	2540	1b58203ecd7ef5d31ea39a5218b40115.exe	102

C:\Users\Admin\AppData\Local\Temp\1b58203ecd7ef5d31ea39a5218b40115.exe
"C:\Users\Admin\AppData\Local\Temp\1b58203ecd7ef5d31ea39a5218b40115.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Users\Admin\AppData\Local\Temp\1b58203ecd7ef5d31ea39a5218b40115.exe
  "C:\Users\Admin\AppData\Local\Temp\1b58203ecd7ef5d31ea39a5218b40115.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4968

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2540-7-0x0000000008870000-0x000000000890C000-memory.dmp

Filesize
624KB

Download
memory/2540-10-0x0000000008580000-0x00000000085E8000-memory.dmp

Filesize
416KB

Download
memory/2540-2-0x00000000075B0000-0x0000000007B54000-memory.dmp

Filesize
5.6MB

Download
memory/2540-3-0x00000000070B0000-0x0000000007142000-memory.dmp

Filesize
584KB

Download
memory/2540-4-0x0000000007080000-0x0000000007090000-memory.dmp

Filesize
64KB

Download
memory/2540-5-0x0000000007190000-0x000000000719A000-memory.dmp

Filesize
40KB

Download
memory/2540-1-0x0000000000180000-0x0000000000200000-memory.dmp

Filesize
512KB

Download
memory/2540-8-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/2540-0-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/2540-9-0x0000000007080000-0x0000000007090000-memory.dmp

Filesize
64KB

Download
memory/2540-6-0x0000000007360000-0x000000000737C000-memory.dmp

Filesize
112KB

Download
memory/2540-11-0x0000000004680000-0x00000000046B6000-memory.dmp

Filesize
216KB

Download
memory/2540-14-0x0000000074D70000-0x0000000075520000-memory.dmp

Filesize
7.7MB

Download
memory/4968-12-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4968-15-0x0000000001AB0000-0x0000000001DFA000-memory.dmp

Filesize
3.3MB

Download