xloader | 0cfac9ebd9e0bb5a2f128f38b9879e4f103208c8559a68a18bb099fa2b8bf18e

Analysis

max time kernel
90s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
28-06-2022 09:30

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General

Target

e32e254b685cd1709f4ef86b5441d84e.exe
Size

635KB
MD5

e32e254b685cd1709f4ef86b5441d84e
SHA1

55d4645e42f4104229ced1fff95532ee7bd6632a
SHA256

0cfac9ebd9e0bb5a2f128f38b9879e4f103208c8559a68a18bb099fa2b8bf18e
SHA512

4e01d48e6827da547c27b3f6063ec87537d98532b7a2c81e37a8531abe664a3c5bef2629292be1c12c7da8a1a0a100f64b007869c34e3951026fa2f9af25419d

Score

10^/10

xloader nn40 loader rat

Malware Config

Extracted

Family

xloader

Version

2.8

Campaign

nn40

Decoy

LYAg0yANOGEAGeaFOrA/

MQWuERZplP+VZy/uszI=

CF0oDN0JimIaGy/uszI=

ltJnyC+ReohYaiTvj1qbEA==

B9OkgdctVKBAFjSUaw==

sbDVwSZVVqVB11/deow8GA==

v1gHDe0pzno=

i+/0n2vHUfGPR98k77tukZ90MQ==

SUtCnbS96Qm21g==

8X9qzyt1dpAo31jXrXfKb49fBPY=

5KlPxqHzSstuFjSUaw==

0r/Kesv/zuanroxvNQW0Gm8=

FFgS7kfPYAqpdhhgRgnBJHY=

LgusAHrkrIoWr0FWIe2o/04UXPw=

vBq9Gvxa9wbKbS/uszI=

Z+q6HAZNNeqwwQ==

wbS4fMb06SjU5Kbseow8GA==

1mZEuZvJ/m0L9bof56PkkZ90MQ==

JCJIM74lHk/o+tiFOrA/

d14FrM8rGEgIzVkT67+3XaEh

Signatures

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

Xloader Payload 1 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/804-136-0x0000000000400000-0x000000000042C000-memory.dmp	xloader

Suspicious use of SetThreadContext 1 IoCs

Processes:

e32e254b685cd1709f4ef86b5441d84e.exe

description pid process target process

PID 2420 set thread context of 804 2420 e32e254b685cd1709f4ef86b5441d84e.exe e32e254b685cd1709f4ef86b5441d84e.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

e32e254b685cd1709f4ef86b5441d84e.exe

pid process

804 e32e254b685cd1709f4ef86b5441d84e.exe
804 e32e254b685cd1709f4ef86b5441d84e.exe

description	pid	process	target process
PID 2420 set thread context of 804	2420	e32e254b685cd1709f4ef86b5441d84e.exe	e32e254b685cd1709f4ef86b5441d84e.exe

pid	process
804	e32e254b685cd1709f4ef86b5441d84e.exe
804	e32e254b685cd1709f4ef86b5441d84e.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

e32e254b685cd1709f4ef86b5441d84e.exe

description	pid	process	target process
PID 2420 wrote to memory of 804	2420	e32e254b685cd1709f4ef86b5441d84e.exe	e32e254b685cd1709f4ef86b5441d84e.exe
PID 2420 wrote to memory of 804	2420	e32e254b685cd1709f4ef86b5441d84e.exe	e32e254b685cd1709f4ef86b5441d84e.exe
PID 2420 wrote to memory of 804	2420	e32e254b685cd1709f4ef86b5441d84e.exe	e32e254b685cd1709f4ef86b5441d84e.exe
PID 2420 wrote to memory of 804	2420	e32e254b685cd1709f4ef86b5441d84e.exe	e32e254b685cd1709f4ef86b5441d84e.exe
PID 2420 wrote to memory of 804	2420	e32e254b685cd1709f4ef86b5441d84e.exe	e32e254b685cd1709f4ef86b5441d84e.exe
PID 2420 wrote to memory of 804	2420	e32e254b685cd1709f4ef86b5441d84e.exe	e32e254b685cd1709f4ef86b5441d84e.exe

C:\Users\Admin\AppData\Local\Temp\e32e254b685cd1709f4ef86b5441d84e.exe
"C:\Users\Admin\AppData\Local\Temp\e32e254b685cd1709f4ef86b5441d84e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2420

C:\Users\Admin\AppData\Local\Temp\e32e254b685cd1709f4ef86b5441d84e.exe
"C:\Users\Admin\AppData\Local\Temp\e32e254b685cd1709f4ef86b5441d84e.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:804

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/804-135-0x0000000000000000-mapping.dmp

Download
memory/804-136-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/804-137-0x0000000001520000-0x000000000186A000-memory.dmp

Filesize
3.3MB

Download
memory/2420-130-0x0000000000850000-0x00000000008F6000-memory.dmp

Filesize
664KB

Download
memory/2420-131-0x0000000007C10000-0x00000000081B4000-memory.dmp

Filesize
5.6MB

Download
memory/2420-132-0x0000000007750000-0x00000000077E2000-memory.dmp

Filesize
584KB

Download
memory/2420-133-0x00000000078F0000-0x00000000078FA000-memory.dmp

Filesize
40KB

Download
memory/2420-134-0x0000000009C30000-0x0000000009CCC000-memory.dmp

Filesize
624KB

Download