xloader | fd3393cafccfc4dd900d81a1314a7df6369114e72ba41c1bfa2fd6262c9f76db

Analysis

max time kernel
149s
max time network
152s
platform
windows10-1703_x64
resource
win10-20220718-en
resource tags

arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system
submitted
08-08-2022 15:17

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

MIg6GXRiUigzu4y.exe
Size

839KB
MD5

3d9e5926621132ab400d7e48e75a305c
SHA1

76ff37c7cd8a6799209f07eb856a9fed573a47a1
SHA256

fd3393cafccfc4dd900d81a1314a7df6369114e72ba41c1bfa2fd6262c9f76db
SHA512

8a0ea160995aea373e23dc3e2d2840cbfc7826c50fd3d364f4f55506147496c74fce5c0305f62114663a0ac028a1c6998bbac5f1e2824e91ebe1d693403280c9

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 5 IoCs

rat

Processes:

resource	yara_rule
behavioral2/memory/2336-188-0x000000000041F640-mapping.dmp	xloader
behavioral2/memory/2336-187-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/2336-203-0x0000000000400000-0x000000000042C000-memory.dmp	xloader
behavioral2/memory/4728-245-0x00000000007A0000-0x00000000007CC000-memory.dmp	xloader
behavioral2/memory/4728-248-0x00000000046F0000-0x000000000488F000-memory.dmp	xloader

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

MIg6GXRiUigzu4y.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1278860188-1450369398-39028496-1000\Control Panel\International\Geo\Nation	MIg6GXRiUigzu4y.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

MIg6GXRiUigzu4y.exeMIg6GXRiUigzu4y.execontrol.exe

description	pid	process	target process
PID 2668 set thread context of 2336	2668	MIg6GXRiUigzu4y.exe	MIg6GXRiUigzu4y.exe
PID 2336 set thread context of 3068	2336	MIg6GXRiUigzu4y.exe	Explorer.EXE
PID 4728 set thread context of 3068	4728	control.exe	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 40 IoCs

Processes:

MIg6GXRiUigzu4y.execontrol.exe

pid	process
2336	MIg6GXRiUigzu4y.exe
2336	MIg6GXRiUigzu4y.exe
2336	MIg6GXRiUigzu4y.exe
2336	MIg6GXRiUigzu4y.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe
4728	control.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3068 Explorer.EXE
Suspicious behavior: MapViewOfSection 5 IoCs

Processes:

MIg6GXRiUigzu4y.execontrol.exe

pid process

2336 MIg6GXRiUigzu4y.exe
2336 MIg6GXRiUigzu4y.exe
2336 MIg6GXRiUigzu4y.exe
4728 control.exe
4728 control.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

MIg6GXRiUigzu4y.execontrol.exe

description pid process

Token: SeDebugPrivilege 2336 MIg6GXRiUigzu4y.exe
Token: SeDebugPrivilege 4728 control.exe

pid	process
3068	Explorer.EXE

description	pid	process
Token: SeDebugPrivilege	2336	MIg6GXRiUigzu4y.exe
Token: SeDebugPrivilege	4728	control.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

MIg6GXRiUigzu4y.exeExplorer.EXE

description	pid	process	target process
PID 2668 wrote to memory of 2336	2668	MIg6GXRiUigzu4y.exe	MIg6GXRiUigzu4y.exe
PID 2668 wrote to memory of 2336	2668	MIg6GXRiUigzu4y.exe	MIg6GXRiUigzu4y.exe
PID 2668 wrote to memory of 2336	2668	MIg6GXRiUigzu4y.exe	MIg6GXRiUigzu4y.exe
PID 2668 wrote to memory of 2336	2668	MIg6GXRiUigzu4y.exe	MIg6GXRiUigzu4y.exe
PID 2668 wrote to memory of 2336	2668	MIg6GXRiUigzu4y.exe	MIg6GXRiUigzu4y.exe
PID 2668 wrote to memory of 2336	2668	MIg6GXRiUigzu4y.exe	MIg6GXRiUigzu4y.exe
PID 3068 wrote to memory of 4728	3068	Explorer.EXE	control.exe
PID 3068 wrote to memory of 4728	3068	Explorer.EXE	control.exe
PID 3068 wrote to memory of 4728	3068	Explorer.EXE	control.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:3068

C:\Users\Admin\AppData\Local\Temp\MIg6GXRiUigzu4y.exe
"C:\Users\Admin\AppData\Local\Temp\MIg6GXRiUigzu4y.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2668

C:\Users\Admin\AppData\Local\Temp\MIg6GXRiUigzu4y.exe
"C:\Users\Admin\AppData\Local\Temp\MIg6GXRiUigzu4y.exe"
3⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:2336

C:\Windows\SysWOW64\control.exe
"C:\Windows\SysWOW64\control.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
PID:4728

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2336-188-0x000000000041F640-mapping.dmp

Download
memory/2336-187-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2336-189-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-190-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-191-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-207-0x00000000012D0000-0x000000000146E000-memory.dmp

Filesize
1.6MB

Download
memory/2336-205-0x0000000001470000-0x0000000001790000-memory.dmp

Filesize
3.1MB

Download
memory/2336-203-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2668-154-0x0000000005500000-0x00000000059FE000-memory.dmp

Filesize
5.0MB

Download
memory/2668-184-0x0000000008AD0000-0x0000000008B6C000-memory.dmp

Filesize
624KB

Download
memory/2668-122-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-123-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-124-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-125-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-126-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-127-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-128-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-129-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-130-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-158-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-132-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-133-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-134-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-135-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-136-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-137-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-138-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-139-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-140-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-141-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-142-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-143-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-144-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-145-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-146-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-147-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-148-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-149-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-150-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-151-0x00000000006F0000-0x00000000007C8000-memory.dmp

Filesize
864KB

Download
memory/2668-152-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-160-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-120-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-155-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-156-0x0000000005000000-0x0000000005092000-memory.dmp

Filesize
584KB

Download
memory/2668-157-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-131-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-121-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-153-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-161-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-162-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-163-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-164-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-165-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-166-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-167-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-168-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-169-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-170-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-171-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-172-0x0000000005160000-0x000000000516A000-memory.dmp

Filesize
40KB

Download
memory/2668-173-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-174-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-175-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-176-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-177-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-178-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-179-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-180-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-181-0x0000000007430000-0x0000000007450000-memory.dmp

Filesize
128KB

Download
memory/2668-119-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-118-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-117-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-182-0x0000000008910000-0x000000000891C000-memory.dmp

Filesize
48KB

Download
memory/2668-183-0x00000000089B0000-0x0000000008A22000-memory.dmp

Filesize
456KB

Download
memory/2668-159-0x0000000077680000-0x000000007780E000-memory.dmp

Filesize
1.6MB

Download
memory/2668-185-0x0000000008BE0000-0x0000000008C46000-memory.dmp

Filesize
408KB

Download
memory/2668-186-0x0000000008A80000-0x0000000008AB2000-memory.dmp

Filesize
200KB

Download
memory/3068-214-0x0000000002C20000-0x0000000002D35000-memory.dmp

Filesize
1.1MB

Download
memory/3068-249-0x00000000053C0000-0x00000000054DB000-memory.dmp

Filesize
1.1MB

Download
memory/3068-251-0x00000000053C0000-0x00000000054DB000-memory.dmp

Filesize
1.1MB

Download
memory/4728-215-0x0000000000000000-mapping.dmp

Download
memory/4728-244-0x0000000000A10000-0x0000000000A30000-memory.dmp

Filesize
128KB

Download
memory/4728-245-0x00000000007A0000-0x00000000007CC000-memory.dmp

Filesize
176KB

Download
memory/4728-246-0x0000000004890000-0x0000000004BB0000-memory.dmp

Filesize
3.1MB

Download
memory/4728-248-0x00000000046F0000-0x000000000488F000-memory.dmp

Filesize
1.6MB

Download
memory/4728-250-0x00000000046F0000-0x000000000488F000-memory.dmp

Filesize
1.6MB

Download