xloader | e8b9fa0dce20f3c8f27f9b47db399991d6c19be8b50bac6187d06f20cadd1353

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21/04/2022, 09:23

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General

Target
scan-copy 202204.exe
Size 47KB
Sample220421-lcgb6aeae8
SHA256 e8b9fa0dce20f3c8f27f9b47db399991d6c19be8b50bac6187d06f20cadd1353
MD5 ed3fb8f014e6dff481c56d788fe8a628
SHA1 044142645e4f23a73fdb7af0897174e78f1cb155
SHA512 ad8d3b3af331ca0f9784b95dd05138e044341963925ad0c10601625cb1f312347c8bd44846ee08d61699e157df1ce7ecaebef1dbe0da6779c1b79e9a30ee060a
MD5 SHA1 SHA512

Score

10^/10

xloader s59h loader rat

Malware Config

Extracted

Family

xloader

Version

Campaign

s59h

Decoy

2028my.icu
svijet-zastite.com
zwinz.store
munixc.info
falcongroupmanagement.com
aerionsys.com
hvbatterystore.com
guidedleveledreading.com
dayral-review.com
globalethinvest.com
mobilecoin.art
routetree4life.com
mas-traders.com
helioolson.com
hrbwanjinda.com
tangerinesafe.com
gabriellemariaphotos.com
uuckpp.com
fzshangmao.net
wanwuchuangyi.com
insurewithsfg.com
throwpillowco.com
whphllc.com
cndh335.com
172pelleport.paris
fuckingharder.com
avernoon.art
numatachuo-rc.com
fogelsingleywedding.com
lkhomedevelopment.com
yueoo.info
paohuangfilms.com
eacente.info
yanhuige.com
xiyuganguo.com
drutoshebabd.com
heimeasure.xyz
efatebejo.xyz
sjpestcontroller.com
jid-studio.com
eoscleaner.com
idetechco.com
yyjlzm.com
staneinvest.com
flameys.com
brickstoneinvestmentltd.com
dicechess.website
allgamescracked.com
yuuhaisin.com
juvearoma.com
damancavexclusive.com
everydayanarchism.com
cicisolutions.host
dpfibras.com
anudessk.info
onszfitness.com
dlino.online
thelocalmarketrealestate.com
eco-friendly.one
bacnebuster.com
sparagussolutions.com
advertising-creations.com
joanthemoneymentor.com
cqgongzuotai.com
tenacityshipping.com

Signatures

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

Xloader Payload 2 IoCs

rat

resource	yara_rule
behavioral2/memory/4704-138-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4616-146-0x0000000000700000-0x0000000000729000-memory.dmp	xloader

Blocklisted process makes network request 1 IoCs

flow	pid	Process
24	4616	wscript.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	scan-copy 202204.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4056 set thread context of 4704	4056	scan-copy 202204.exe	85
PID 4704 set thread context of 2480	4704	scan-copy 202204.exe	36
PID 4616 set thread context of 2480	4616	wscript.exe	36

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4872	timeout.exe

Suspicious behavior: EnumeratesProcesses 62 IoCs

pid	Process
4056	scan-copy 202204.exe
4056	scan-copy 202204.exe
4056	scan-copy 202204.exe
4056	scan-copy 202204.exe
4056	scan-copy 202204.exe
4056	scan-copy 202204.exe
4704	scan-copy 202204.exe
4704	scan-copy 202204.exe
4704	scan-copy 202204.exe
4704	scan-copy 202204.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe
4616	wscript.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2480	Explorer.EXE

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4704	scan-copy 202204.exe
4704	scan-copy 202204.exe
4704	scan-copy 202204.exe
4616	wscript.exe
4616	wscript.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	4056	scan-copy 202204.exe
Token: SeDebugPrivilege	4704	scan-copy 202204.exe
Token: SeDebugPrivilege	4616	wscript.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4056 wrote to memory of 744	4056	scan-copy 202204.exe	81
PID 4056 wrote to memory of 744	4056	scan-copy 202204.exe	81
PID 4056 wrote to memory of 744	4056	scan-copy 202204.exe	81
PID 744 wrote to memory of 4872	744	cmd.exe	83
PID 744 wrote to memory of 4872	744	cmd.exe	83
PID 744 wrote to memory of 4872	744	cmd.exe	83
PID 4056 wrote to memory of 4716	4056	scan-copy 202204.exe	84
PID 4056 wrote to memory of 4716	4056	scan-copy 202204.exe	84
PID 4056 wrote to memory of 4716	4056	scan-copy 202204.exe	84
PID 4056 wrote to memory of 4704	4056	scan-copy 202204.exe	85
PID 4056 wrote to memory of 4704	4056	scan-copy 202204.exe	85
PID 4056 wrote to memory of 4704	4056	scan-copy 202204.exe	85
PID 4056 wrote to memory of 4704	4056	scan-copy 202204.exe	85
PID 4056 wrote to memory of 4704	4056	scan-copy 202204.exe	85
PID 4056 wrote to memory of 4704	4056	scan-copy 202204.exe	85
PID 2480 wrote to memory of 4616	2480	Explorer.EXE	86
PID 2480 wrote to memory of 4616	2480	Explorer.EXE	86
PID 2480 wrote to memory of 4616	2480	Explorer.EXE	86
PID 4616 wrote to memory of 4692	4616	wscript.exe	87
PID 4616 wrote to memory of 4692	4616	wscript.exe	87
PID 4616 wrote to memory of 4692	4616	wscript.exe	87

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2480
- C:\Users\Admin\AppData\Local\Temp\scan-copy 202204.exe
  "C:\Users\Admin\AppData\Local\Temp\scan-copy 202204.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4056
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c timeout 10
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:744
  - - C:\Windows\SysWOW64\timeout.exe
      timeout 10
      4⤵
      Delays execution with timeout.exe
      PID:4872
- - C:\Users\Admin\AppData\Local\Temp\scan-copy 202204.exe
    "C:\Users\Admin\AppData\Local\Temp\scan-copy 202204.exe"
    3⤵
    PID:4716
- - C:\Users\Admin\AppData\Local\Temp\scan-copy 202204.exe
    "C:\Users\Admin\AppData\Local\Temp\scan-copy 202204.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4704
- C:\Windows\SysWOW64\wscript.exe
  "C:\Windows\SysWOW64\wscript.exe"
  2⤵
  - Blocklisted process makes network request
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4616
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\scan-copy 202204.exe"
    3⤵
    PID:4692

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2480-142-0x00000000026E0000-0x0000000002872000-memory.dmp

Download

memory/2480-149-0x0000000007E30000-0x0000000007F49000-memory.dmp

Download

memory/4056-131-0x0000000005160000-0x0000000005704000-memory.dmp

Download

memory/4056-132-0x0000000004C60000-0x0000000004CF2000-memory.dmp

Download

memory/4056-133-0x0000000004D10000-0x0000000004D1A000-memory.dmp

Download

memory/4056-130-0x00000000002B0000-0x00000000002C2000-memory.dmp

Download

memory/4616-145-0x00000000002D0000-0x00000000002F7000-memory.dmp

Download

memory/4616-146-0x0000000000700000-0x0000000000729000-memory.dmp

Download

memory/4616-147-0x0000000002760000-0x0000000002AAA000-memory.dmp

Download

memory/4616-148-0x0000000002590000-0x0000000002620000-memory.dmp

Download

memory/4704-138-0x0000000000400000-0x0000000000429000-memory.dmp

Download

memory/4704-140-0x0000000001960000-0x0000000001CAA000-memory.dmp

Download

memory/4704-141-0x00000000018A0000-0x00000000018B1000-memory.dmp

Download