58c0d2f945207a56f5baefbb320d7ddbd01089205025de05133db173281e65e2

General

Target

fc6d40512829e36687854cb0118a5a1e.exe
Size

2.6MB
MD5

fc6d40512829e36687854cb0118a5a1e
SHA1

cf801f9dad93b5ebbcef79b093b034b45aa75a1e
SHA256

58c0d2f945207a56f5baefbb320d7ddbd01089205025de05133db173281e65e2
SHA512

8545d6e56ab77e28e416b013a2836307616d8c00dc26216c35fba8bc1ec0b8c8503f8d7cb55e8dd1d5aaa08875e9172f7259082a4f6756c4722be9c4e3f96e6f
SSDEEP

49152:6EE4S6KbgMczZ3kXz64kU4r6mN2udLglBA9iHZN9OXOMbK:VEV6Kbmhkj14rzUMnibX

Score

9^/10

evasion persistence 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__	fc6d40512829e36687854cb0118a5a1e.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	ntlhost.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\SystemBiosVersion	fc6d40512829e36687854cb0118a5a1e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	fc6d40512829e36687854cb0118a5a1e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	ntlhost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ntlhost.exe

Executes dropped EXE 1 IoCs

pid	Process
3180	ntlhost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe"	fc6d40512829e36687854cb0118a5a1e.exe

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	fc6d40512829e36687854cb0118a5a1e.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	ntlhost.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
964	fc6d40512829e36687854cb0118a5a1e.exe
3180	ntlhost.exe

GoLang User-Agent 1 IoCs

Uses default user-agent string defined by GoLang HTTP packages.

description	flow	ioc
HTTP User-Agent header	32	Go-http-client/1.1

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 964 wrote to memory of 3180	964	fc6d40512829e36687854cb0118a5a1e.exe	86
PID 964 wrote to memory of 3180	964	fc6d40512829e36687854cb0118a5a1e.exe	86

C:\Users\Admin\AppData\Local\Temp\fc6d40512829e36687854cb0118a5a1e.exe
"C:\Users\Admin\AppData\Local\Temp\fc6d40512829e36687854cb0118a5a1e.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Adds Run key to start application
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:964
- C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
  C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
  2⤵
  - 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 NtSetInformationThreadHideFromDebugger
  PID:3180

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe

Filesize
845.6MB

MD5
13b34accbdd3afdcc8e1ee7abf78ad0e

SHA1
e7fd7056356f542a0ccd77849a863cd6587c9da2

SHA256
ae8437004816b1a4e5e5a46831263491417003943aac7e64d3f97527ace4b13d

SHA512
9990b433016297940c729848c072058e5a678bd603484e146de23247e6136ca21f8e3d35964d345072eba952ab4725be72416b682ff4cc663842ebf774241bd0

Download Submit
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe

Filesize
845.6MB

MD5
13b34accbdd3afdcc8e1ee7abf78ad0e

SHA1
e7fd7056356f542a0ccd77849a863cd6587c9da2

SHA256
ae8437004816b1a4e5e5a46831263491417003943aac7e64d3f97527ace4b13d

SHA512
9990b433016297940c729848c072058e5a678bd603484e146de23247e6136ca21f8e3d35964d345072eba952ab4725be72416b682ff4cc663842ebf774241bd0

Download Submit
memory/964-133-0x0000000000FF0000-0x000000000182F000-memory.dmp

Filesize
8.2MB

Download
memory/964-134-0x0000000000FF0000-0x000000000182F000-memory.dmp

Filesize
8.2MB

Download
memory/964-135-0x0000000000FF0000-0x000000000182F000-memory.dmp

Filesize
8.2MB

Download
memory/964-136-0x0000000000FF0000-0x000000000182F000-memory.dmp

Filesize
8.2MB

Download
memory/964-137-0x0000000000FF0000-0x000000000182F000-memory.dmp

Filesize
8.2MB

Download
memory/964-138-0x0000000000FF0000-0x000000000182F000-memory.dmp

Filesize
8.2MB

Download
memory/964-139-0x0000000000FF0000-0x000000000182F000-memory.dmp

Filesize
8.2MB

Download
memory/964-140-0x0000000000FF0000-0x000000000182F000-memory.dmp

Filesize
8.2MB

Download
memory/964-142-0x0000000000FF0000-0x000000000182F000-memory.dmp

Filesize
8.2MB

Download
memory/964-146-0x0000000000FF0000-0x000000000182F000-memory.dmp

Filesize
8.2MB

Download
memory/3180-150-0x0000000000A10000-0x000000000124F000-memory.dmp

Filesize
8.2MB

Download
memory/3180-158-0x0000000000A10000-0x000000000124F000-memory.dmp

Filesize
8.2MB

Download
memory/3180-149-0x0000000000A10000-0x000000000124F000-memory.dmp

Filesize
8.2MB

Download
memory/3180-151-0x0000000000A10000-0x000000000124F000-memory.dmp

Filesize
8.2MB

Download
memory/3180-147-0x0000000000A10000-0x000000000124F000-memory.dmp

Filesize
8.2MB

Download
memory/3180-152-0x0000000000A10000-0x000000000124F000-memory.dmp

Filesize
8.2MB

Download
memory/3180-153-0x0000000000A10000-0x000000000124F000-memory.dmp

Filesize
8.2MB

Download
memory/3180-154-0x0000000000A10000-0x000000000124F000-memory.dmp

Filesize
8.2MB

Download
memory/3180-155-0x0000000000A10000-0x000000000124F000-memory.dmp

Filesize
8.2MB

Download
memory/3180-156-0x0000000000A10000-0x000000000124F000-memory.dmp

Filesize
8.2MB

Download
memory/3180-157-0x0000000000A10000-0x000000000124F000-memory.dmp

Filesize
8.2MB

Download
memory/3180-148-0x0000000000A10000-0x000000000124F000-memory.dmp

Filesize
8.2MB

Download
memory/3180-159-0x0000000000A10000-0x000000000124F000-memory.dmp

Filesize
8.2MB

Download
memory/3180-161-0x0000000000A10000-0x000000000124F000-memory.dmp

Filesize
8.2MB

Download
memory/3180-162-0x0000000000A10000-0x000000000124F000-memory.dmp

Filesize
8.2MB

Download
memory/3180-163-0x0000000000A10000-0x000000000124F000-memory.dmp

Filesize
8.2MB

Download
memory/3180-164-0x0000000000A10000-0x000000000124F000-memory.dmp

Filesize
8.2MB

Download
memory/3180-165-0x0000000000A10000-0x000000000124F000-memory.dmp

Filesize
8.2MB

Download
memory/3180-166-0x0000000000A10000-0x000000000124F000-memory.dmp

Filesize
8.2MB

Download
memory/3180-167-0x0000000000A10000-0x000000000124F000-memory.dmp

Filesize
8.2MB

Download
memory/3180-168-0x0000000000A10000-0x000000000124F000-memory.dmp

Filesize
8.2MB

Download
memory/3180-169-0x0000000000A10000-0x000000000124F000-memory.dmp

Filesize
8.2MB

Download
memory/3180-170-0x0000000000A10000-0x000000000124F000-memory.dmp

Filesize
8.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads