xloader | b948e037220c1131b8c44bc4a26c34f5d2f3a6db8824bdcd73e1c845594dc7e0

General

Target

PROFORMA_INVOICE_pdf.exe
Size

761KB
MD5

66dd27da37cdd67246a447220949d943
SHA1

9158ff8fa1c879152487665c0dc37e8d6c91b00d
SHA256

eb20acaf619f8bec9cf1e1353600b3825744b86b0a4281a299efefeb91b93c35
SHA512

98f2a3e56eeb4bcee9a1f055e1f8cbb12cc4e3333a04a3b7770b4b30bd74ea18f1220a71679188d3e925d945449f522664ba75cd6fe4c3771aa8715cd52981d8
SSDEEP

12288:wQ1n6Xu/kw+RL8RaE8qr/y9uBQBIBfFYTSanW6ivuB5oW:L6+4Ed/ycsI8uyIW

Score

10^/10

xloader me2z discovery loader rat

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

me2z

Decoy

rampdauto.com

noriharte.com

harborfreightcreditcard.com

tktspyhwz.icu

cagehosting.com

hgfte.club

fullnessspa.com

link-repair.com

rrjyds.com

edevletdestekcardmerkez.com

sprayingmachines.com

janerowenlester.com

velocityworkflow.com

kcrm.computer

kjbubeng.com

virtualhockeyconference.com

trugrits.com

creativesociallight.com

dnaswabtesting.com

willpool.com

Signatures

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

Xloader payload 3 IoCs

rat

resource	yara_rule
behavioral2/memory/4328-14-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/4328-19-0x0000000000400000-0x0000000000429000-memory.dmp	xloader
behavioral2/memory/1800-24-0x0000000000A20000-0x0000000000A49000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	PROFORMA_INVOICE_pdf.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3472 set thread context of 4328	3472	PROFORMA_INVOICE_pdf.exe	101
PID 4328 set thread context of 3440	4328	PROFORMA_INVOICE_pdf.exe	56
PID 1800 set thread context of 3440	1800	chkdsk.exe	56

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	chkdsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PROFORMA_INVOICE_pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	chkdsk.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
4856	schtasks.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

pid	Process
3472	PROFORMA_INVOICE_pdf.exe
4328	PROFORMA_INVOICE_pdf.exe
4328	PROFORMA_INVOICE_pdf.exe
4328	PROFORMA_INVOICE_pdf.exe
4328	PROFORMA_INVOICE_pdf.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe
1800	chkdsk.exe

Suspicious behavior: MapViewOfSection 5 IoCs

pid	Process
4328	PROFORMA_INVOICE_pdf.exe
4328	PROFORMA_INVOICE_pdf.exe
4328	PROFORMA_INVOICE_pdf.exe
1800	chkdsk.exe
1800	chkdsk.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3472	PROFORMA_INVOICE_pdf.exe
Token: SeDebugPrivilege	4328	PROFORMA_INVOICE_pdf.exe
Token: SeDebugPrivilege	1800	chkdsk.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3472 wrote to memory of 4856	3472	PROFORMA_INVOICE_pdf.exe	99
PID 3472 wrote to memory of 4856	3472	PROFORMA_INVOICE_pdf.exe	99
PID 3472 wrote to memory of 4856	3472	PROFORMA_INVOICE_pdf.exe	99
PID 3472 wrote to memory of 4328	3472	PROFORMA_INVOICE_pdf.exe	101
PID 3472 wrote to memory of 4328	3472	PROFORMA_INVOICE_pdf.exe	101
PID 3472 wrote to memory of 4328	3472	PROFORMA_INVOICE_pdf.exe	101
PID 3472 wrote to memory of 4328	3472	PROFORMA_INVOICE_pdf.exe	101
PID 3472 wrote to memory of 4328	3472	PROFORMA_INVOICE_pdf.exe	101
PID 3472 wrote to memory of 4328	3472	PROFORMA_INVOICE_pdf.exe	101
PID 3440 wrote to memory of 1800	3440	Explorer.EXE	102
PID 3440 wrote to memory of 1800	3440	Explorer.EXE	102
PID 3440 wrote to memory of 1800	3440	Explorer.EXE	102
PID 1800 wrote to memory of 4884	1800	chkdsk.exe	103
PID 1800 wrote to memory of 4884	1800	chkdsk.exe	103
PID 1800 wrote to memory of 4884	1800	chkdsk.exe	103

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of WriteProcessMemory
PID:3440
- C:\Users\Admin\AppData\Local\Temp\PROFORMA_INVOICE_pdf.exe
  "C:\Users\Admin\AppData\Local\Temp\PROFORMA_INVOICE_pdf.exe"
  2⤵
  - Checks computer location settings
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3472
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SgFiknYhVNpgso" /XML "C:\Users\Admin\AppData\Local\Temp\tmp24B9.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:4856
- - C:\Users\Admin\AppData\Local\Temp\PROFORMA_INVOICE_pdf.exe
    "{path}"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:4328
- C:\Windows\SysWOW64\chkdsk.exe
  "C:\Windows\SysWOW64\chkdsk.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1800
- - C:\Windows\SysWOW64\cmd.exe
    /c del "C:\Users\Admin\AppData\Local\Temp\PROFORMA_INVOICE_pdf.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp24B9.tmp

Filesize
1KB

MD5
a5f9649766ee731a4c2ed1d0ec755b60

SHA1
7de33ed822fc07d552c1af1783b6a48189f24978

SHA256
7162da314243d3402bb18477a2e7a78c5e65e5c0fbbf48cdb950b6e3c48c4bea

SHA512
ba305fb51a196b77fcc6c2b09cbcb71cb62ea616f65162e38450d099568ed13bdb63d6a85c7c2441b13a6b8c357953a93731882b2407b9a111afb2dbb2e177c6

Download Submit
memory/1800-24-0x0000000000A20000-0x0000000000A49000-memory.dmp

Filesize
164KB

Download
memory/1800-23-0x0000000000050000-0x000000000005A000-memory.dmp

Filesize
40KB

Download
memory/1800-22-0x0000000000050000-0x000000000005A000-memory.dmp

Filesize
40KB

Download
memory/3440-30-0x0000000008F70000-0x00000000090FA000-memory.dmp

Filesize
1.5MB

Download
memory/3440-29-0x0000000008F70000-0x00000000090FA000-memory.dmp

Filesize
1.5MB

Download
memory/3440-25-0x0000000008E50000-0x0000000008F64000-memory.dmp

Filesize
1.1MB

Download
memory/3440-21-0x0000000008E50000-0x0000000008F64000-memory.dmp

Filesize
1.1MB

Download
memory/3472-6-0x0000000007510000-0x000000000751A000-memory.dmp

Filesize
40KB

Download
memory/3472-4-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/3472-10-0x00000000087F0000-0x000000000888C000-memory.dmp

Filesize
624KB

Download
memory/3472-8-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/3472-9-0x0000000004810000-0x0000000004866000-memory.dmp

Filesize
344KB

Download
memory/3472-16-0x0000000074BE0000-0x0000000075390000-memory.dmp

Filesize
7.7MB

Download
memory/3472-1-0x0000000000370000-0x0000000000438000-memory.dmp

Filesize
800KB

Download
memory/3472-2-0x0000000007770000-0x0000000007D14000-memory.dmp

Filesize
5.6MB

Download
memory/3472-3-0x00000000072B0000-0x0000000007342000-memory.dmp

Filesize
584KB

Download
memory/3472-7-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

Filesize
4KB

Download
memory/3472-0-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

Filesize
4KB

Download
memory/3472-5-0x0000000007370000-0x000000000737A000-memory.dmp

Filesize
40KB

Download
memory/4328-14-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4328-19-0x0000000000400000-0x0000000000429000-memory.dmp

Filesize
164KB

Download
memory/4328-20-0x0000000001250000-0x0000000001261000-memory.dmp

Filesize
68KB

Download
memory/4328-17-0x0000000001290000-0x00000000015DA000-memory.dmp

Filesize
3.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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