2b03faa10419218a0214b4ef415ecc41d9c78a8031deaf89d9d836b8fcd54089

General

Target

Loader.exe
Size

133KB
MD5

fc3378c4e8cd002ba1e8a05b37f09d24
SHA1

6b3620287c4f94d2f515c1a8577fffcc02331b0c
SHA256

2b03faa10419218a0214b4ef415ecc41d9c78a8031deaf89d9d836b8fcd54089
SHA512

c1ac224a9aad0dde67f5ec4b4ae9f4921cb7718bf1a27755d32de6ea04f8aaf09864228c0d576492bbd1742209333b988429a3e277b1f4d19ea068b1e548fe69
SSDEEP

1536:yxYnIibKxkGHHIy2MwxIQ+b/zvc5j6xOVHRvUF80XbpGQqmyVttdGFQeOPigE:aLRIHpx3+bb5OVHpUFNcQqmyBeT

Score

7^/10

persistence

Malware Config

Signatures

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-1-5-21-1926387074-3400613176-3566796709-1000\Control Panel\International\Geo\Nation	Loader.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XWorm Auto Updater.lnk	Loader.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\XWorm Auto Updater.lnk	Loader.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1926387074-3400613176-3566796709-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\XWorm Auto Updater = "C:\\Users\\Admin\\AppData\\Local\\Temp\\XWorm Auto Updater"	Loader.exe

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

System Information Discovery
T1082

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/Job

T1053

pid	Process
4520	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1616	powershell.exe
1616	powershell.exe
3492	powershell.exe
3492	powershell.exe
3492	powershell.exe
2668	powershell.exe
2668	powershell.exe
2452	powershell.exe
2452	powershell.exe
3368	Loader.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	3368	Loader.exe
Token: SeDebugPrivilege	1616	powershell.exe
Token: SeDebugPrivilege	3492	powershell.exe
Token: SeDebugPrivilege	2668	powershell.exe
Token: SeDebugPrivilege	2452	powershell.exe
Token: SeDebugPrivilege	3368	Loader.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3368	Loader.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3368 wrote to memory of 1616	3368	Loader.exe	90
PID 3368 wrote to memory of 1616	3368	Loader.exe	90
PID 3368 wrote to memory of 3492	3368	Loader.exe	93
PID 3368 wrote to memory of 3492	3368	Loader.exe	93
PID 3368 wrote to memory of 2668	3368	Loader.exe	97
PID 3368 wrote to memory of 2668	3368	Loader.exe	97
PID 3368 wrote to memory of 2452	3368	Loader.exe	99
PID 3368 wrote to memory of 2452	3368	Loader.exe	99
PID 3368 wrote to memory of 4520	3368	Loader.exe	103
PID 3368 wrote to memory of 4520	3368	Loader.exe	103

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\Loader.exe
"C:\Users\Admin\AppData\Local\Temp\Loader.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3368
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Loader.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1616
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Loader.exe'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3492
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\XWorm Auto Updater'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2668
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XWorm Auto Updater'
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2452
- C:\Windows\System32\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "XWorm Auto Updater" /tr "C:\Users\Admin\AppData\Local\Temp\XWorm Auto Updater"
  2⤵
  - Creates scheduled task(s)
  PID:4520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
3a6bad9528f8e23fb5c77fbd81fa28e8

SHA1
f127317c3bc6407f536c0f0600dcbcf1aabfba36

SHA256
986366767de5873f1b170a63f2a33ce05132d1afd90c8f5017afbca8ef1beb05

SHA512
846002154a0ece6f3e9feda6f115d3161dc21b3789525dd62ae1d9188495171293efdbe7be4710666dd8a15e66b557315b5a02918a741ed1d5f3ff0c515b98e2

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
6f3b96b24f06e2d37a46e43e8b784f56

SHA1
7be6702c5867f359e913eeeecdd5b76698589295

SHA256
8e386afeed28e1d282d9a0294dd2e9402dcb807f7c77aca8426314c20057e720

SHA512
d760999531a77a9adf2b4dc019ce3b43ac3a8cad825398b3a09818afe8deaa177d37219a26dd8a432c00c9cff7858efc43cae2375edc996bb0136c92c39c9dfb

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
e6d75ea0804f3349c98ab2a3697afbdf

SHA1
af630f0b13094907bed49473af6dedbf4aaf473e

SHA256
38bb07c6d1442786f683bd682224732f13226a1d3d81b37f32c49b1a943ce05b

SHA512
ec7256543d0aeb7f5430bef2352b3873c6c34a6069cb4d349385f14516143db12083b3b7af68c21023635f5a4dc6d5b2689a3c54df9c3cd9dadea47f3ce8f757

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tjwkf0b1.jkr.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1616-18-0x00007FF933760000-0x00007FF934221000-memory.dmp

Filesize
10.8MB

Download
memory/1616-4-0x000001AEEE770000-0x000001AEEE780000-memory.dmp

Filesize
64KB

Download
memory/1616-15-0x000001AEEE770000-0x000001AEEE780000-memory.dmp

Filesize
64KB

Download
memory/1616-5-0x000001AEEE770000-0x000001AEEE780000-memory.dmp

Filesize
64KB

Download
memory/1616-3-0x00007FF933760000-0x00007FF934221000-memory.dmp

Filesize
10.8MB

Download
memory/1616-2-0x000001AEEEDF0000-0x000001AEEEE12000-memory.dmp

Filesize
136KB

Download
memory/2452-67-0x000001B9FA270000-0x000001B9FA280000-memory.dmp

Filesize
64KB

Download
memory/2452-66-0x000001B9FA270000-0x000001B9FA280000-memory.dmp

Filesize
64KB

Download
memory/2452-69-0x00007FF933760000-0x00007FF934221000-memory.dmp

Filesize
10.8MB

Download
memory/2452-65-0x000001B9FA270000-0x000001B9FA280000-memory.dmp

Filesize
64KB

Download
memory/2452-59-0x00007FF933760000-0x00007FF934221000-memory.dmp

Filesize
10.8MB

Download
memory/2668-50-0x00000248E4620000-0x00000248E4630000-memory.dmp

Filesize
64KB

Download
memory/2668-38-0x00000248E4620000-0x00000248E4630000-memory.dmp

Filesize
64KB

Download
memory/2668-39-0x00000248E4620000-0x00000248E4630000-memory.dmp

Filesize
64KB

Download
memory/2668-37-0x00007FF933760000-0x00007FF934221000-memory.dmp

Filesize
10.8MB

Download
memory/2668-51-0x00000248E4620000-0x00000248E4630000-memory.dmp

Filesize
64KB

Download
memory/2668-53-0x00007FF933760000-0x00007FF934221000-memory.dmp

Filesize
10.8MB

Download
memory/3368-1-0x00007FF933760000-0x00007FF934221000-memory.dmp

Filesize
10.8MB

Download
memory/3368-0-0x0000000000E50000-0x0000000000E78000-memory.dmp

Filesize
160KB

Download
memory/3368-34-0x00007FF933760000-0x00007FF934221000-memory.dmp

Filesize
10.8MB

Download
memory/3368-73-0x0000000001630000-0x0000000001640000-memory.dmp

Filesize
64KB

Download
memory/3492-36-0x00007FF933760000-0x00007FF934221000-memory.dmp

Filesize
10.8MB

Download
memory/3492-31-0x0000019FD3C70000-0x0000019FD3C80000-memory.dmp

Filesize
64KB

Download
memory/3492-30-0x00007FF933760000-0x00007FF934221000-memory.dmp

Filesize
10.8MB

Download
memory/3492-33-0x0000019FD3C70000-0x0000019FD3C80000-memory.dmp

Filesize
64KB

Download
memory/3492-32-0x0000019FD3C70000-0x0000019FD3C80000-memory.dmp

Filesize
64KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads