xloader | 33b08940d5a2fdd70c73fddf7e359193eb86a1d42e7cce27dba02718b7279c49

Analysis

max time kernel
186s
max time network
197s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
09/02/2022, 10:21

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General

Target
QUOTATION.exe
Size 564KB
Sample220209-mdncjaabdp
SHA256 33b08940d5a2fdd70c73fddf7e359193eb86a1d42e7cce27dba02718b7279c49
MD5 98baccb2a35dcd64991688d8c2f9863e
SHA1 2cf34e18ccb91d2e0572ec833f8656178f4e834b
SHA512 caf53ba7e93e0f781877cfc318b429dbec9490b443ff8e5533f5ef0c89a1f612ac6e7cc245c99b34ffbf4c9bad95c8e2a183e7faffba3ce78a8b23b1c4757e54
MD5 SHA1 SHA512

Score

10^/10

xloader nt3f loader rat suricata

Malware Config

Extracted

Family

xloader

Version

Campaign

nt3f

Decoy

tricyclee.com
kxsw999.com
wisteria-pavilion.com
bellaclancy.com
promissioskincare.com
hzy001.xyz
checkouthomehd.com
soladere.com
point4sales.com
socalmafia.com
libertadysarmiento.online
nftthirty.com
digitalgoldcryptostock.net
tulekiloscaird.com
austinfishandchicken.com
wlxxch.com
mgav51.xyz
landbanking.global
saprove.com
babyfaces.skin
elainemaxwellcoaching.com
1388xc.com
juveniscloud.com
bsauksjon.com
the-waterkooler.com
comment-changer-sa-vie.com
psmcnd.top
rhodesleadingedge.com
mccuelawfirm.com
skinnscience.club
hype-clicks.com
liaojinc.xyz
okmakers.com
ramblertour.online
wickedhunterworld.com
fit-threads.com
cookidoo.website
magentabin.com
pynch1.com
best-paper-to-know-today.info
allmight.net
monicraftsprintables.com
avataroasis.com
10dian-4.com
cozastore.net
capitalcased.com
spacezanome.xyz
feiyangmi.com
11opus.com
getinteriorsolution.com
tidyhutstore.com
amazingpomskyfamily.com
tfcvintage.com
halfanape.com
rotakb.com
martinasfood.com
the-thanks.com
mithilmehta.com
em-photo.art
primerepro.com
lankasirinspa.com
gtbaibang.com
zealandiatobacco.com
deepikatransportpackers.com
eagle-meter.com

Signatures

Xloader
Xloader is a rebranded version of Formbook malware.
loader xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata

Xloader Payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/3944-143-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/3944-149-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/2116-159-0x0000000002AC0000-0x0000000002AE9000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	QUOTATION.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3640 set thread context of 3944	3640	QUOTATION.exe	77
PID 3944 set thread context of 2420	3944	QUOTATION.exe	48
PID 2116 set thread context of 2420	2116	msiexec.exe	48

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MusNotifyIcon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	MusNotifyIcon.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
2988	schtasks.exe

Modifies data under HKEY_USERS 47 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.263197"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4084"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3936"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.000000"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132890522529304998"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
3944	QUOTATION.exe
3944	QUOTATION.exe
3944	QUOTATION.exe
3944	QUOTATION.exe
1940	powershell.exe
1940	powershell.exe
2116	msiexec.exe
2116	msiexec.exe
2116	msiexec.exe
2116	msiexec.exe
2116	msiexec.exe
2116	msiexec.exe
2116	msiexec.exe
2116	msiexec.exe
2116	msiexec.exe
2116	msiexec.exe
2116	msiexec.exe
2116	msiexec.exe
2116	msiexec.exe
2116	msiexec.exe
2116	msiexec.exe
2116	msiexec.exe
2116	msiexec.exe
2116	msiexec.exe
2116	msiexec.exe
2116	msiexec.exe
2116	msiexec.exe
2116	msiexec.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
3944	QUOTATION.exe
3944	QUOTATION.exe
3944	QUOTATION.exe
2116	msiexec.exe
2116	msiexec.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	3944	QUOTATION.exe
Token: SeShutdownPrivilege	2420	Explorer.EXE
Token: SeCreatePagefilePrivilege	2420	Explorer.EXE
Token: SeShutdownPrivilege	2420	Explorer.EXE
Token: SeCreatePagefilePrivilege	2420	Explorer.EXE
Token: SeShutdownPrivilege	2420	Explorer.EXE
Token: SeCreatePagefilePrivilege	2420	Explorer.EXE
Token: SeDebugPrivilege	1940	powershell.exe
Token: SeDebugPrivilege	2116	msiexec.exe
Token: SeShutdownPrivilege	2420	Explorer.EXE
Token: SeCreatePagefilePrivilege	2420	Explorer.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3640 wrote to memory of 1940	3640	QUOTATION.exe	73
PID 3640 wrote to memory of 1940	3640	QUOTATION.exe	73
PID 3640 wrote to memory of 1940	3640	QUOTATION.exe	73
PID 3640 wrote to memory of 2988	3640	QUOTATION.exe	75
PID 3640 wrote to memory of 2988	3640	QUOTATION.exe	75
PID 3640 wrote to memory of 2988	3640	QUOTATION.exe	75
PID 3640 wrote to memory of 3944	3640	QUOTATION.exe	77
PID 3640 wrote to memory of 3944	3640	QUOTATION.exe	77
PID 3640 wrote to memory of 3944	3640	QUOTATION.exe	77
PID 3640 wrote to memory of 3944	3640	QUOTATION.exe	77
PID 3640 wrote to memory of 3944	3640	QUOTATION.exe	77
PID 3640 wrote to memory of 3944	3640	QUOTATION.exe	77
PID 2420 wrote to memory of 2116	2420	Explorer.EXE	78
PID 2420 wrote to memory of 2116	2420	Explorer.EXE	78
PID 2420 wrote to memory of 2116	2420	Explorer.EXE	78

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe
  "C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3640
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\svUINqq.exe"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1940
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\svUINqq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp12BC.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2988
- - C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:3944
- C:\Windows\SysWOW64\msiexec.exe
  "C:\Windows\SysWOW64\msiexec.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  PID:2116

C:\Windows\system32\MusNotifyIcon.exe
%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
1⤵
- Checks processor information in registry
PID:2664

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:552

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

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/1940-153-0x0000000006B50000-0x0000000006B72000-memory.dmp

Download

memory/1940-173-0x0000000009040000-0x000000000904E000-memory.dmp

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memory/1940-170-0x0000000008E10000-0x0000000008E2A000-memory.dmp

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memory/1940-169-0x0000000009450000-0x0000000009ACA000-memory.dmp

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memory/1940-167-0x000000007EF20000-0x000000007EF21000-memory.dmp

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memory/1940-166-0x00000000080A0000-0x00000000080BE000-memory.dmp

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memory/1940-165-0x0000000070300000-0x000000007034C000-memory.dmp

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memory/1940-140-0x000000007479E000-0x000000007479F000-memory.dmp

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memory/1940-164-0x00000000080C0000-0x00000000080F2000-memory.dmp

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memory/1940-142-0x00000000065D0000-0x0000000006606000-memory.dmp

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memory/1940-152-0x0000000006CA0000-0x00000000072C8000-memory.dmp

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memory/1940-145-0x0000000006660000-0x0000000006661000-memory.dmp

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memory/1940-175-0x0000000009130000-0x0000000009138000-memory.dmp

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memory/1940-162-0x0000000006665000-0x0000000006667000-memory.dmp

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memory/1940-154-0x0000000006BF0000-0x0000000006C56000-memory.dmp

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memory/1940-174-0x0000000009150000-0x000000000916A000-memory.dmp

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memory/1940-147-0x0000000006662000-0x0000000006663000-memory.dmp

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memory/1940-171-0x0000000008E80000-0x0000000008E8A000-memory.dmp

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memory/1940-160-0x0000000007AF0000-0x0000000007B0E000-memory.dmp

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memory/1940-172-0x0000000009090000-0x0000000009126000-memory.dmp

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memory/1940-155-0x0000000007340000-0x00000000073A6000-memory.dmp

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memory/2116-158-0x0000000000530000-0x0000000000542000-memory.dmp

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memory/2116-159-0x0000000002AC0000-0x0000000002AE9000-memory.dmp

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memory/2116-161-0x0000000004A60000-0x0000000004DAA000-memory.dmp

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memory/2116-163-0x0000000004890000-0x0000000004920000-memory.dmp

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memory/2420-148-0x0000000008A50000-0x0000000008B60000-memory.dmp

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memory/2420-168-0x0000000008B60000-0x0000000008C9E000-memory.dmp

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memory/3640-132-0x0000000005020000-0x0000000005021000-memory.dmp

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memory/3640-131-0x0000000000580000-0x0000000000614000-memory.dmp

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memory/3640-137-0x0000000005C40000-0x00000000061E4000-memory.dmp

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memory/3640-136-0x0000000005023000-0x0000000005025000-memory.dmp

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memory/3640-135-0x0000000000D20000-0x0000000000DBC000-memory.dmp

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memory/3640-130-0x000000007479E000-0x000000007479F000-memory.dmp

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memory/3640-134-0x00000000051D0000-0x0000000005262000-memory.dmp

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memory/3640-133-0x0000000004FA0000-0x0000000004FE0000-memory.dmp

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memory/3944-143-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/3944-149-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/3944-151-0x0000000001440000-0x0000000001451000-memory.dmp

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memory/3944-150-0x00000000010F0000-0x000000000143A000-memory.dmp

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memory/3944-146-0x000000000041D000-0x000000000041E000-memory.dmp

Download