7b9e81cf36ee3fb1224156663a138fc6a279a5ae61e53f59a413b3e825b9c1df

General

Target

AtXtpwIJyQWWufbN.exe
Size

14.2MB
MD5

00a57273989a40b1757b890c80c8a92a
SHA1

59a68061603d9e14e8f7b850329ea675ee417062
SHA256

7b9e81cf36ee3fb1224156663a138fc6a279a5ae61e53f59a413b3e825b9c1df
SHA512

d9a962e6ec98f76ad159d64f1e8351729565aa7445f4cc181bd13607ba57d2019dec5ff2f3d3d6b5f46299a14b714705eeeec5c6f1515e6ef3cc0d2946c6690b
SSDEEP

393216:WYJ5Qt9iFsm7tzozxGMJbGVGcZcT+FaJFAorO:WYwKFBCzgM0LAkSO

Score

9^/10

discovery evasion trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	AtXtpwIJyQWWufbN.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	AtXtpwIJyQWWufbN.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	AtXtpwIJyQWWufbN.exe

Checks BIOS information in registry 2 TTPs 6 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	AtXtpwIJyQWWufbN.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	AtXtpwIJyQWWufbN.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	AtXtpwIJyQWWufbN.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	AtXtpwIJyQWWufbN.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	AtXtpwIJyQWWufbN.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	AtXtpwIJyQWWufbN.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	ldrupd.bin
Key value queried	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	ldrupd.bin

Deletes itself 1 IoCs

pid	Process
2488	ldrupd.bin

Executes dropped EXE 4 IoCs

pid	Process
2488	ldrupd.bin
4636	AtXtpwIJyQWWufbN.exe
4812	ldrupd.bin
3028	AtXtpwIJyQWWufbN.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	AtXtpwIJyQWWufbN.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	AtXtpwIJyQWWufbN.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	AtXtpwIJyQWWufbN.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3028	AtXtpwIJyQWWufbN.exe
3028	AtXtpwIJyQWWufbN.exe
3028	AtXtpwIJyQWWufbN.exe
3028	AtXtpwIJyQWWufbN.exe
3028	AtXtpwIJyQWWufbN.exe
3028	AtXtpwIJyQWWufbN.exe
3028	AtXtpwIJyQWWufbN.exe
3028	AtXtpwIJyQWWufbN.exe
3028	AtXtpwIJyQWWufbN.exe
3028	AtXtpwIJyQWWufbN.exe
3028	AtXtpwIJyQWWufbN.exe
3028	AtXtpwIJyQWWufbN.exe
3028	AtXtpwIJyQWWufbN.exe
3028	AtXtpwIJyQWWufbN.exe
3028	AtXtpwIJyQWWufbN.exe
3028	AtXtpwIJyQWWufbN.exe
3028	AtXtpwIJyQWWufbN.exe
3028	AtXtpwIJyQWWufbN.exe
3028	AtXtpwIJyQWWufbN.exe
3028	AtXtpwIJyQWWufbN.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSystemEnvironmentPrivilege	4636	AtXtpwIJyQWWufbN.exe
Token: SeSystemEnvironmentPrivilege	3028	AtXtpwIJyQWWufbN.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4636	AtXtpwIJyQWWufbN.exe
4812	ldrupd.bin
3028	AtXtpwIJyQWWufbN.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 5040 wrote to memory of 2488	5040	AtXtpwIJyQWWufbN.exe	86
PID 5040 wrote to memory of 2488	5040	AtXtpwIJyQWWufbN.exe	86
PID 2488 wrote to memory of 4636	2488	ldrupd.bin	87
PID 2488 wrote to memory of 4636	2488	ldrupd.bin	87
PID 4636 wrote to memory of 1456	4636	AtXtpwIJyQWWufbN.exe	89
PID 4636 wrote to memory of 1456	4636	AtXtpwIJyQWWufbN.exe	89
PID 4636 wrote to memory of 1456	4636	AtXtpwIJyQWWufbN.exe	89
PID 4636 wrote to memory of 2660	4636	AtXtpwIJyQWWufbN.exe	90
PID 4636 wrote to memory of 2660	4636	AtXtpwIJyQWWufbN.exe	90
PID 4636 wrote to memory of 2660	4636	AtXtpwIJyQWWufbN.exe	90
PID 4636 wrote to memory of 4812	4636	AtXtpwIJyQWWufbN.exe	91
PID 4636 wrote to memory of 4812	4636	AtXtpwIJyQWWufbN.exe	91
PID 4812 wrote to memory of 3028	4812	ldrupd.bin	92
PID 4812 wrote to memory of 3028	4812	ldrupd.bin	92

C:\Users\Admin\AppData\Local\Temp\AtXtpwIJyQWWufbN.exe
"C:\Users\Admin\AppData\Local\Temp\AtXtpwIJyQWWufbN.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
PID:5040
- C:\Users\Admin\AppData\Local\ldrupd.bin
  "C:\Users\Admin\AppData\Local\ldrupd.bin"
  2⤵
  - Checks computer location settings
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2488
- - C:\Users\Admin\AppData\Local\Temp\AtXtpwIJyQWWufbN.exe
    "C:\Users\Admin\AppData\Local\Temp\AtXtpwIJyQWWufbN.exe"
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Checks BIOS information in registry
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4636
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe"
      4⤵
      PID:1456
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe"
      4⤵
      PID:2660
  - - C:\Users\Admin\AppData\Local\ldrupd.bin
      "C:\Users\Admin\AppData\Local\ldrupd.bin"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4812
    - - C:\Users\Admin\AppData\Local\Temp\AtXtpwIJyQWWufbN.exe
        
        "C:\Users\Admin\AppData\Local\Temp\AtXtpwIJyQWWufbN.exe"
        5⤵
        Identifies VirtualBox via ACPI registry values (likely anti-VM)
        Checks BIOS information in registry
        Executes dropped EXE
        Checks whether UAC is enabled
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of SetWindowsHookEx
        
        PID:3028

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

4

T1012

System Information Discovery

4

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\AtXtpwIJyQWWufbN.exe

Filesize
17.4MB

MD5
ce2bb757b16717e50875904da36d7fd8

SHA1
0f0c818ac845646fdcb211e181358c376f50208a

SHA256
c09297d5ecbb73f2c03b2085e75943f8921f9fd8e5da9a382c891a057b715669

SHA512
d57041f282823022494eba00789fbdbc8d047ac7a53368eae4513970847c764335580f7ad232b887a686dbf4fe7d6a22e86abed23ea68c954c7ef08059a164a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\AtXtpwIJyQWWufbN.exe

Filesize
13.7MB

MD5
a2413a3cf43c46c19da14ff649225938

SHA1
4a9e8cb3eef839b10625616681da62d13200fccc

SHA256
69f3bf2b05b8f616594310132b40cda03e5680267f8e64575c5fd5e3151d10a8

SHA512
df18f57c0149443581b915a01aa0e0ac14ffdb1b3f3bc7dabd9608dcb87910298b36d4c86208ffe9a02f17366c53c7e56363ba4058c383bf88be0a189e1fd80c

Download Submit
C:\Users\Admin\AppData\Local\ldrupd.bin

Filesize
3KB

MD5
a24978a6b77e2cd99823e24c6eb4d055

SHA1
05aab593ba8e0c21f2859d04d4810fdd1ce453c3

SHA256
80ac94c086eb6e52bc3bbebd86e0795f6cb7476153af0c767b9ae4b7e9931140

SHA512
24356ce42d0fd7839166416604fd7bd101cab8754de095676c921bfb664bc110e8a87cb863afefb5fd98450496c1b3e303851943f13a3e19f206350239c2a8db

Download Submit
memory/3028-35-0x0000000140000000-0x0000000142220000-memory.dmp

Filesize
34.1MB

Download
memory/3028-38-0x0000000000930000-0x0000000000931000-memory.dmp

Filesize
4KB

Download
memory/3028-36-0x0000000140000000-0x0000000142220000-memory.dmp

Filesize
34.1MB

Download
memory/3028-37-0x0000000140000000-0x0000000142220000-memory.dmp

Filesize
34.1MB

Download
memory/4636-18-0x0000000140000000-0x0000000142220000-memory.dmp

Filesize
34.1MB

Download
memory/4636-20-0x0000000140000000-0x0000000142220000-memory.dmp

Filesize
34.1MB

Download
memory/4636-19-0x0000000140000000-0x0000000142220000-memory.dmp

Filesize
34.1MB

Download
memory/4636-21-0x0000000140000000-0x0000000142220000-memory.dmp

Filesize
34.1MB

Download
memory/4636-26-0x0000000140000000-0x0000000142220000-memory.dmp

Filesize
34.1MB

Download
memory/5040-1-0x0000000140000000-0x0000000142333000-memory.dmp

Filesize
35.2MB

Download
memory/5040-0-0x0000000140000000-0x0000000142333000-memory.dmp

Filesize
35.2MB

Download
memory/5040-3-0x0000000140000000-0x0000000142333000-memory.dmp

Filesize
35.2MB

Download
memory/5040-9-0x0000000140000000-0x0000000142333000-memory.dmp

Filesize
35.2MB

Download
memory/5040-2-0x0000000140000000-0x0000000142333000-memory.dmp

Filesize
35.2MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads