910d12b881b9874b889038f887f8d6e35028ce414341c604e4f71ee8fa13566b

General

Target

2FEaKkukrgVw.exe
Size

13.9MB
MD5

a4dc525d4e27ec12e444410dfb8e3b73
SHA1

38e655176a8401087c9f905f2ea6f465175357af
SHA256

910d12b881b9874b889038f887f8d6e35028ce414341c604e4f71ee8fa13566b
SHA512

32c74f62ab1339e30b6dcb8cb386a09224d77dd59f2b24d1c4c162f1987ce8f0f42107cc6b82a4a1aa974576a82f5faa0e8950b4bdf6b5c958c187d397221024
SSDEEP

393216:IJzWUq3UKKeizYH2jBkzv7qZ/CMKGvZ/0ZtCHr:I5W1nezCTzDAC1GxvHr

Score

9^/10

discovery evasion trojan

Malware Config

Signatures

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

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2FEaKkukrgVw.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2FEaKkukrgVw.exe

Checks BIOS information in registry 2 TTPs 4 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\VideoBiosVersion	2FEaKkukrgVw.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2FEaKkukrgVw.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2FEaKkukrgVw.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2FEaKkukrgVw.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	ldrupd.bin

Deletes itself 1 IoCs

pid	Process
2624	ldrupd.bin

Executes dropped EXE 2 IoCs

pid	Process
2624	ldrupd.bin
3932	2FEaKkukrgVw.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 2 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2FEaKkukrgVw.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2FEaKkukrgVw.exe

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3932	2FEaKkukrgVw.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeSystemEnvironmentPrivilege	2876	2FEaKkukrgVw.exe
Token: SeSystemEnvironmentPrivilege	3932	2FEaKkukrgVw.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3932	2FEaKkukrgVw.exe
3932	2FEaKkukrgVw.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 3524	2876	2FEaKkukrgVw.exe	86
PID 2876 wrote to memory of 3524	2876	2FEaKkukrgVw.exe	86
PID 2876 wrote to memory of 3524	2876	2FEaKkukrgVw.exe	86
PID 2876 wrote to memory of 820	2876	2FEaKkukrgVw.exe	87
PID 2876 wrote to memory of 820	2876	2FEaKkukrgVw.exe	87
PID 2876 wrote to memory of 820	2876	2FEaKkukrgVw.exe	87
PID 2876 wrote to memory of 2624	2876	2FEaKkukrgVw.exe	88
PID 2876 wrote to memory of 2624	2876	2FEaKkukrgVw.exe	88
PID 2624 wrote to memory of 3932	2624	ldrupd.bin	89
PID 2624 wrote to memory of 3932	2624	ldrupd.bin	89
PID 3932 wrote to memory of 3504	3932	2FEaKkukrgVw.exe	95
PID 3932 wrote to memory of 3504	3932	2FEaKkukrgVw.exe	95
PID 3932 wrote to memory of 3504	3932	2FEaKkukrgVw.exe	95
PID 3932 wrote to memory of 2336	3932	2FEaKkukrgVw.exe	96
PID 3932 wrote to memory of 2336	3932	2FEaKkukrgVw.exe	96
PID 3932 wrote to memory of 2336	3932	2FEaKkukrgVw.exe	96

C:\Users\Admin\AppData\Local\Temp\2FEaKkukrgVw.exe
"C:\Users\Admin\AppData\Local\Temp\2FEaKkukrgVw.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  PID:3524
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  PID:820
- 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:2624
- - C:\Users\Admin\AppData\Local\Temp\2FEaKkukrgVw.exe
    "C:\Users\Admin\AppData\Local\Temp\2FEaKkukrgVw.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 behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3932
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe"
      4⤵
      PID:3504
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\SysWOW64\cmd.exe"
      4⤵
      PID:2336

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2252

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\2FEaKkukrgVw.exe

Filesize
15.8MB

MD5
1daf114a9a19553a9843afc8bd2e899a

SHA1
716b13e7b8ab4ffadd8769722a45f793de6a20ff

SHA256
cc254be082e662e65ea2edcde4b4eaa7bbbdf3b7f08a19c2e51832d1c232fdd0

SHA512
ea871cb07ab89647e393292034a35f39df4501a860e376b5f9cd10bf17c47f167a4c299c2f951c7ff03876937f94b0e036f11eaeeadf7f86e41bbbf50a824d41

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

Filesize
3KB

MD5
a24978a6b77e2cd99823e24c6eb4d055

SHA1
05aab593ba8e0c21f2859d04d4810fdd1ce453c3

SHA256
80ac94c086eb6e52bc3bbebd86e0795f6cb7476153af0c767b9ae4b7e9931140

SHA512
24356ce42d0fd7839166416604fd7bd101cab8754de095676c921bfb664bc110e8a87cb863afefb5fd98450496c1b3e303851943f13a3e19f206350239c2a8db

Download Submit
memory/2876-3-0x0000000140000000-0x000000014227E000-memory.dmp

Filesize
34.5MB

Download
memory/2876-2-0x0000000140000000-0x000000014227E000-memory.dmp

Filesize
34.5MB

Download
memory/2876-1-0x0000000140000000-0x000000014227E000-memory.dmp

Filesize
34.5MB

Download
memory/2876-9-0x0000000140000000-0x000000014227E000-memory.dmp

Filesize
34.5MB

Download
memory/2876-0-0x0000000140000000-0x000000014227E000-memory.dmp

Filesize
34.5MB

Download
memory/3932-18-0x0000000140000000-0x000000014227E000-memory.dmp

Filesize
34.5MB

Download
memory/3932-19-0x0000000140000000-0x000000014227E000-memory.dmp

Filesize
34.5MB

Download
memory/3932-20-0x0000000140000000-0x000000014227E000-memory.dmp

Filesize
34.5MB

Download
memory/3932-21-0x0000000140000000-0x000000014227E000-memory.dmp

Filesize
34.5MB

Download
memory/3932-22-0x0000000000830000-0x0000000000831000-memory.dmp

Filesize
4KB

Download
memory/3932-563-0x0000000140000000-0x000000014227E000-memory.dmp

Filesize
34.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads