b3842cd95f06411d2a05ef44c99e34f578f30cdb7ccfb142a1da511532040fba

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08/01/2025, 14:04

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General

Target
n17GvWIaLl8AJogy.exe
Size 13.9MB
Sample250108-rdknvsvpbk
SHA256 b3842cd95f06411d2a05ef44c99e34f578f30cdb7ccfb142a1da511532040fba
MD5 acbf3e8556eee5dea24d25ba6c9f6d3f
SHA1 f0da3b6f9c03e91a28f06a3024d524ccaaa6a4b0
SHA512 d1621e4139dcb6f54de4d86db96995cea307e2b3731560de80aaa3ba82610d238e76ae55aa3866935a017c6f509b546e63620e84bd3a9dcf5005fffb3f5cd99e
SSDEEP 393216:7JzWUq3UKKeizYH2jBkzv7qZ/CMKGvZ/0ZtCHf:75W1nezCTzDAC1GxvHf
MD5 SHA1 SHA512 SSDEEP

Score

9^/10

discovery evasion trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	n17GvWIaLl8AJogy.exe

Checks BIOS information in registry 2 TTPs 2 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	n17GvWIaLl8AJogy.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	n17GvWIaLl8AJogy.exe

Deletes itself 1 IoCs

pid	Process
2080	ldrupd.bin

Executes dropped EXE 1 IoCs

pid	Process
2080	ldrupd.bin

Loads dropped DLL 5 IoCs

pid	Process
2776	n17GvWIaLl8AJogy.exe
2776	n17GvWIaLl8AJogy.exe
3000	WerFault.exe
3000	WerFault.exe
3000	WerFault.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 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	n17GvWIaLl8AJogy.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeSystemEnvironmentPrivilege	2776	n17GvWIaLl8AJogy.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2916	2776	n17GvWIaLl8AJogy.exe	30
PID 2776 wrote to memory of 2916	2776	n17GvWIaLl8AJogy.exe	30
PID 2776 wrote to memory of 2916	2776	n17GvWIaLl8AJogy.exe	30
PID 2776 wrote to memory of 2916	2776	n17GvWIaLl8AJogy.exe	30
PID 2776 wrote to memory of 2960	2776	n17GvWIaLl8AJogy.exe	32
PID 2776 wrote to memory of 2960	2776	n17GvWIaLl8AJogy.exe	32
PID 2776 wrote to memory of 2960	2776	n17GvWIaLl8AJogy.exe	32
PID 2776 wrote to memory of 2960	2776	n17GvWIaLl8AJogy.exe	32
PID 2776 wrote to memory of 2080	2776	n17GvWIaLl8AJogy.exe	34
PID 2776 wrote to memory of 2080	2776	n17GvWIaLl8AJogy.exe	34
PID 2776 wrote to memory of 2080	2776	n17GvWIaLl8AJogy.exe	34
PID 2080 wrote to memory of 3000	2080	ldrupd.bin	35
PID 2080 wrote to memory of 3000	2080	ldrupd.bin	35
PID 2080 wrote to memory of 3000	2080	ldrupd.bin	35

C:\Users\Admin\AppData\Local\Temp\n17GvWIaLl8AJogy.exe
"C:\Users\Admin\AppData\Local\Temp\n17GvWIaLl8AJogy.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  PID:2916
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  PID:2960
- C:\Users\Admin\AppData\Local\ldrupd.bin
  "C:\Users\Admin\AppData\Local\ldrupd.bin"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2080
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 2080 -s 100
    3⤵
    - Loads dropped DLL
    PID:3000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

ldrupd.bin

Path \Users\Admin\AppData\Local\ldrupd.bin
Size 3KB
SHA256 80ac94c086eb6e52bc3bbebd86e0795f6cb7476153af0c767b9ae4b7e9931140
MD5 a24978a6b77e2cd99823e24c6eb4d055
SHA1 05aab593ba8e0c21f2859d04d4810fdd1ce453c3
SHA512 24356ce42d0fd7839166416604fd7bd101cab8754de095676c921bfb664bc110e8a87cb863afefb5fd98450496c1b3e303851943f13a3e19f206350239c2a8db
MD5 SHA1 SHA512

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memory/2776-8-0x0000000000200000-0x000000000020A000-memory.dmp

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memory/2776-11-0x0000000140000000-0x000000014227E000-memory.dmp

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memory/2776-3-0x0000000140000000-0x000000014227E000-memory.dmp

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memory/2776-5-0x0000000000200000-0x000000000020A000-memory.dmp

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memory/2776-4-0x0000000000200000-0x000000000020A000-memory.dmp

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memory/2776-6-0x0000000140000000-0x000000014227E000-memory.dmp

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memory/2776-1-0x0000000140000000-0x000000014227E000-memory.dmp

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memory/2776-9-0x0000000000200000-0x000000000020A000-memory.dmp

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memory/2776-10-0x0000000140000000-0x000000014227E000-memory.dmp

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memory/2776-0-0x0000000140000000-0x000000014227E000-memory.dmp

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memory/2776-13-0x0000000140000000-0x000000014227E000-memory.dmp

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memory/2776-14-0x0000000140000000-0x000000014227E000-memory.dmp

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memory/2776-15-0x0000000140000000-0x000000014227E000-memory.dmp

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memory/2776-16-0x0000000140000000-0x000000014227E000-memory.dmp

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memory/2776-2-0x0000000140000000-0x000000014227E000-memory.dmp

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memory/2776-25-0x0000000140000000-0x000000014227E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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