xloader | 1d9fc02237d06ae3ee5ea85ae14a05ab41ee99f03ac660e3f6360ac6864bf7fd

General

Target

85be6547409011c0804230f2f09f7ca3.exe
Size

641KB
MD5

85be6547409011c0804230f2f09f7ca3
SHA1

33eb9c66bb959332f963ab928fdbd655ac9e5e4e
SHA256

1d9fc02237d06ae3ee5ea85ae14a05ab41ee99f03ac660e3f6360ac6864bf7fd
SHA512

5e9e790f043d47bf21cd77caa556d18b957ab2c9587ef63836f84b8f42b102a8de085a2c6c2cf5a504b5a034c74dc25f2961b8415779311323e71c15b4432b7b

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 2 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/844-63-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral1/memory/844-64-0x000000000041F640-mapping.dmp	xloader

Suspicious use of SetThreadContext 1 IoCs

Processes:

85be6547409011c0804230f2f09f7ca3.exe

description pid process target process

PID 1980 set thread context of 844 1980 85be6547409011c0804230f2f09f7ca3.exe 85be6547409011c0804230f2f09f7ca3.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

85be6547409011c0804230f2f09f7ca3.exe

pid process

844 85be6547409011c0804230f2f09f7ca3.exe

description	pid	process	target process
PID 1980 set thread context of 844	1980	85be6547409011c0804230f2f09f7ca3.exe	85be6547409011c0804230f2f09f7ca3.exe

pid	process
844	85be6547409011c0804230f2f09f7ca3.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

85be6547409011c0804230f2f09f7ca3.exe

description	pid	process	target process
PID 1980 wrote to memory of 844	1980	85be6547409011c0804230f2f09f7ca3.exe	85be6547409011c0804230f2f09f7ca3.exe
PID 1980 wrote to memory of 844	1980	85be6547409011c0804230f2f09f7ca3.exe	85be6547409011c0804230f2f09f7ca3.exe
PID 1980 wrote to memory of 844	1980	85be6547409011c0804230f2f09f7ca3.exe	85be6547409011c0804230f2f09f7ca3.exe
PID 1980 wrote to memory of 844	1980	85be6547409011c0804230f2f09f7ca3.exe	85be6547409011c0804230f2f09f7ca3.exe
PID 1980 wrote to memory of 844	1980	85be6547409011c0804230f2f09f7ca3.exe	85be6547409011c0804230f2f09f7ca3.exe
PID 1980 wrote to memory of 844	1980	85be6547409011c0804230f2f09f7ca3.exe	85be6547409011c0804230f2f09f7ca3.exe
PID 1980 wrote to memory of 844	1980	85be6547409011c0804230f2f09f7ca3.exe	85be6547409011c0804230f2f09f7ca3.exe

C:\Users\Admin\AppData\Local\Temp\85be6547409011c0804230f2f09f7ca3.exe
"C:\Users\Admin\AppData\Local\Temp\85be6547409011c0804230f2f09f7ca3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1980

C:\Users\Admin\AppData\Local\Temp\85be6547409011c0804230f2f09f7ca3.exe
"C:\Users\Admin\AppData\Local\Temp\85be6547409011c0804230f2f09f7ca3.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:844

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/844-60-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/844-61-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/844-63-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/844-64-0x000000000041F640-mapping.dmp

Download
memory/844-65-0x0000000000930000-0x0000000000C33000-memory.dmp

Filesize
3.0MB

Download
memory/1980-54-0x0000000000F10000-0x0000000000FB6000-memory.dmp

Filesize
664KB

Download
memory/1980-55-0x00000000768D1000-0x00000000768D3000-memory.dmp

Filesize
8KB

Download
memory/1980-56-0x0000000000410000-0x000000000042C000-memory.dmp

Filesize
112KB

Download
memory/1980-57-0x0000000000430000-0x000000000043A000-memory.dmp

Filesize
40KB

Download
memory/1980-58-0x0000000005B30000-0x0000000005B9A000-memory.dmp

Filesize
424KB

Download
memory/1980-59-0x0000000000A90000-0x0000000000AC2000-memory.dmp

Filesize
200KB

Download

Analysis

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