ca0358e48af9810afd985b7f1eb92b07500420626e02daf53949c169e2c0cb62

Analysis

max time kernel
90s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
14/08/2024, 17:36

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General

Target

tlNDolN4Qkqr.exe
Size

13.6MB
MD5

5ca3146389dc2fe7f6e132e6c00c1210
SHA1

2354f206a9a6b8666a3079635904581af2d0868a
SHA256

ca0358e48af9810afd985b7f1eb92b07500420626e02daf53949c169e2c0cb62
SHA512

ef7eac752cfb98874c20cb0071ae58a8db80762d6bb6fe52eee133fd6ffda15f02c481285fa3ea6bb67fbbca3b76de8a7bc3c8967d2f2dc58882712692100412
SSDEEP

196608:7IqlYtZt1fGNcD/qf4YxIWD3rpR3Y3oi2/qxmLcrZ72k640Ka3k422pb+K8BMzcI:7hKtFfGaDyAlonBtOmLLkX0S4Fl+K8ad

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__	tlNDolN4Qkqr.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\SystemBiosVersion	tlNDolN4Qkqr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	tlNDolN4Qkqr.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	tlNDolN4Qkqr.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3532	tlNDolN4Qkqr.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeSystemEnvironmentPrivilege	3532	tlNDolN4Qkqr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3532	tlNDolN4Qkqr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3532 wrote to memory of 3028	3532	tlNDolN4Qkqr.exe	78
PID 3532 wrote to memory of 3028	3532	tlNDolN4Qkqr.exe	78
PID 3532 wrote to memory of 3028	3532	tlNDolN4Qkqr.exe	78
PID 3532 wrote to memory of 2904	3532	tlNDolN4Qkqr.exe	79
PID 3532 wrote to memory of 2904	3532	tlNDolN4Qkqr.exe	79
PID 3532 wrote to memory of 2904	3532	tlNDolN4Qkqr.exe	79

C:\Users\Admin\AppData\Local\Temp\tlNDolN4Qkqr.exe
"C:\Users\Admin\AppData\Local\Temp\tlNDolN4Qkqr.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3532
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  PID:3028
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\SysWOW64\cmd.exe"
  2⤵
  PID:2904

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

Replay Monitor

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Downloads

memory/3532-1-0x0000000140000000-0x00000001421DA000-memory.dmp

Filesize
33.9MB

Download
memory/3532-0-0x0000000140000000-0x00000001421DA000-memory.dmp

Filesize
33.9MB

Download
memory/3532-2-0x0000000140000000-0x00000001421DA000-memory.dmp

Filesize
33.9MB

Download
memory/3532-3-0x0000000140000000-0x00000001421DA000-memory.dmp

Filesize
33.9MB

Download
memory/3532-4-0x0000000140000000-0x00000001421DA000-memory.dmp

Filesize
33.9MB

Download
memory/3532-5-0x00000000029F0000-0x0000000002B62000-memory.dmp

Filesize
1.4MB

Download
memory/3532-7-0x00000000029F0000-0x0000000002B62000-memory.dmp

Filesize
1.4MB

Download
memory/3532-8-0x00000000029F0000-0x0000000002B62000-memory.dmp

Filesize
1.4MB

Download
memory/3532-6-0x0000000140000000-0x00000001421DA000-memory.dmp

Filesize
33.9MB

Download
memory/3532-9-0x0000000140000000-0x00000001421DA000-memory.dmp

Filesize
33.9MB

Download
memory/3532-10-0x0000000140000000-0x00000001421DA000-memory.dmp

Filesize
33.9MB

Download
memory/3532-11-0x00000000029F0000-0x0000000002B62000-memory.dmp

Filesize
1.4MB

Download
memory/3532-12-0x0000000140000000-0x00000001421DA000-memory.dmp

Filesize
33.9MB

Download
memory/3532-15-0x0000000140000000-0x00000001421DA000-memory.dmp

Filesize
33.9MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads