5ca073902855e78c2225d74c98ea68c4c7b0235c53150e3a6986b73934f19062

General

Target

2a9e7c533ef29c4c39ee61f7154d18c6.exe
Size

4.9MB
MD5

2a9e7c533ef29c4c39ee61f7154d18c6
SHA1

6d288064e15bf370ae49ca7b1bd4a906c403e821
SHA256

5ca073902855e78c2225d74c98ea68c4c7b0235c53150e3a6986b73934f19062
SHA512

987f4581405f99461634534b8cb35a20f37700bf5ce463e24a53ea3dec9740aeb7d0b2300943ae74ae857bcad0cc71f0cccdd580ac7249c1f51c8c002f85c75d
SSDEEP

98304:Z7mSREy3EB1ZucSijV6lMo5ikEwhqr7nANR:Z3R735cS8Evhqra

Score

9^/10

evasion persistence themida 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

Processes:

2a9e7c533ef29c4c39ee61f7154d18c6.exentlhost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	2a9e7c533ef29c4c39ee61f7154d18c6.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

Processes:

2a9e7c533ef29c4c39ee61f7154d18c6.exentlhost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	2a9e7c533ef29c4c39ee61f7154d18c6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	2a9e7c533ef29c4c39ee61f7154d18c6.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

Processes:

ntlhost.exe

pid process

3340 ntlhost.exe

pid	process
3340	ntlhost.exe

Themida packer 36 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/2304-133-0x0000000000840000-0x00000000010A8000-memory.dmp	themida
behavioral2/memory/2304-135-0x0000000000840000-0x00000000010A8000-memory.dmp	themida
behavioral2/memory/2304-134-0x0000000000840000-0x00000000010A8000-memory.dmp	themida
behavioral2/memory/2304-136-0x0000000000840000-0x00000000010A8000-memory.dmp	themida
behavioral2/memory/2304-137-0x0000000000840000-0x00000000010A8000-memory.dmp	themida
behavioral2/memory/2304-138-0x0000000000840000-0x00000000010A8000-memory.dmp	themida
behavioral2/memory/2304-139-0x0000000000840000-0x00000000010A8000-memory.dmp	themida
behavioral2/memory/2304-140-0x0000000000840000-0x00000000010A8000-memory.dmp	themida
behavioral2/memory/2304-141-0x0000000000840000-0x00000000010A8000-memory.dmp	themida
behavioral2/memory/2304-142-0x0000000000840000-0x00000000010A8000-memory.dmp	themida
behavioral2/memory/2304-144-0x0000000000840000-0x00000000010A8000-memory.dmp	themida
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe	themida
behavioral2/memory/2304-147-0x0000000000840000-0x00000000010A8000-memory.dmp	themida
behavioral2/memory/3340-148-0x0000000000F20000-0x0000000001788000-memory.dmp	themida
behavioral2/memory/3340-149-0x0000000000F20000-0x0000000001788000-memory.dmp	themida
behavioral2/memory/3340-150-0x0000000000F20000-0x0000000001788000-memory.dmp	themida
behavioral2/memory/3340-151-0x0000000000F20000-0x0000000001788000-memory.dmp	themida
behavioral2/memory/3340-152-0x0000000000F20000-0x0000000001788000-memory.dmp	themida
behavioral2/memory/3340-153-0x0000000000F20000-0x0000000001788000-memory.dmp	themida
behavioral2/memory/3340-154-0x0000000000F20000-0x0000000001788000-memory.dmp	themida
behavioral2/memory/3340-156-0x0000000000F20000-0x0000000001788000-memory.dmp	themida
behavioral2/memory/3340-157-0x0000000000F20000-0x0000000001788000-memory.dmp	themida
behavioral2/memory/3340-158-0x0000000000F20000-0x0000000001788000-memory.dmp	themida
behavioral2/memory/3340-159-0x0000000000F20000-0x0000000001788000-memory.dmp	themida
behavioral2/memory/3340-160-0x0000000000F20000-0x0000000001788000-memory.dmp	themida
behavioral2/memory/3340-161-0x0000000000F20000-0x0000000001788000-memory.dmp	themida
behavioral2/memory/3340-162-0x0000000000F20000-0x0000000001788000-memory.dmp	themida
behavioral2/memory/3340-164-0x0000000000F20000-0x0000000001788000-memory.dmp	themida
behavioral2/memory/3340-165-0x0000000000F20000-0x0000000001788000-memory.dmp	themida
behavioral2/memory/3340-166-0x0000000000F20000-0x0000000001788000-memory.dmp	themida
behavioral2/memory/3340-167-0x0000000000F20000-0x0000000001788000-memory.dmp	themida
behavioral2/memory/3340-168-0x0000000000F20000-0x0000000001788000-memory.dmp	themida
behavioral2/memory/3340-169-0x0000000000F20000-0x0000000001788000-memory.dmp	themida
behavioral2/memory/3340-170-0x0000000000F20000-0x0000000001788000-memory.dmp	themida
behavioral2/memory/3340-171-0x0000000000F20000-0x0000000001788000-memory.dmp	themida
behavioral2/memory/3340-172-0x0000000000F20000-0x0000000001788000-memory.dmp	themida

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

2a9e7c533ef29c4c39ee61f7154d18c6.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe"	2a9e7c533ef29c4c39ee61f7154d18c6.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

2a9e7c533ef29c4c39ee61f7154d18c6.exentlhost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	2a9e7c533ef29c4c39ee61f7154d18c6.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	ntlhost.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

2a9e7c533ef29c4c39ee61f7154d18c6.exentlhost.exe

pid process

2304 2a9e7c533ef29c4c39ee61f7154d18c6.exe
3340 ntlhost.exe
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.

Processes:

description flow ioc

HTTP User-Agent header 35 Go-http-client/1.1

pid	process
2304	2a9e7c533ef29c4c39ee61f7154d18c6.exe
3340	ntlhost.exe

description	flow	ioc
HTTP User-Agent header	35	Go-http-client/1.1

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

2a9e7c533ef29c4c39ee61f7154d18c6.exe

description	pid	process	target process
PID 2304 wrote to memory of 3340	2304	2a9e7c533ef29c4c39ee61f7154d18c6.exe	ntlhost.exe
PID 2304 wrote to memory of 3340	2304	2a9e7c533ef29c4c39ee61f7154d18c6.exe	ntlhost.exe

C:\Users\Admin\AppData\Local\Temp\2a9e7c533ef29c4c39ee61f7154d18c6.exe
"C:\Users\Admin\AppData\Local\Temp\2a9e7c533ef29c4c39ee61f7154d18c6.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:2304

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:3340

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
Filesize
787.9MB

MD5
9fac5e40416240f97f481250cf182130

SHA1
784df24ae002fdb73cbc36d65081df5b2f77a740

SHA256
8682f77172ab619905dbd06336abccdb8c0863ba616bcaf736060241fd02de95

SHA512
67ad28a54fb3fc894de61ac91c6037aeda08f02c145e861c2c9a8ddc970be4b1cf8a438cbbd4be1f6ba3b47c79da1b83596624755fbead0903b3fd67500308f1

Download Submit
memory/2304-139-0x0000000000840000-0x00000000010A8000-memory.dmp

Filesize
8.4MB

Download
memory/2304-134-0x0000000000840000-0x00000000010A8000-memory.dmp

Filesize
8.4MB

Download
memory/2304-136-0x0000000000840000-0x00000000010A8000-memory.dmp

Filesize
8.4MB

Download
memory/2304-137-0x0000000000840000-0x00000000010A8000-memory.dmp

Filesize
8.4MB

Download
memory/2304-138-0x0000000000840000-0x00000000010A8000-memory.dmp

Filesize
8.4MB

Download
memory/2304-133-0x0000000000840000-0x00000000010A8000-memory.dmp

Filesize
8.4MB

Download
memory/2304-140-0x0000000000840000-0x00000000010A8000-memory.dmp

Filesize
8.4MB

Download
memory/2304-141-0x0000000000840000-0x00000000010A8000-memory.dmp

Filesize
8.4MB

Download
memory/2304-142-0x0000000000840000-0x00000000010A8000-memory.dmp

Filesize
8.4MB

Download
memory/2304-144-0x0000000000840000-0x00000000010A8000-memory.dmp

Filesize
8.4MB

Download
memory/2304-135-0x0000000000840000-0x00000000010A8000-memory.dmp

Filesize
8.4MB

Download
memory/2304-147-0x0000000000840000-0x00000000010A8000-memory.dmp

Filesize
8.4MB

Download
memory/3340-153-0x0000000000F20000-0x0000000001788000-memory.dmp

Filesize
8.4MB

Download
memory/3340-160-0x0000000000F20000-0x0000000001788000-memory.dmp

Filesize
8.4MB

Download
memory/3340-150-0x0000000000F20000-0x0000000001788000-memory.dmp

Filesize
8.4MB

Download
memory/3340-151-0x0000000000F20000-0x0000000001788000-memory.dmp

Filesize
8.4MB

Download
memory/3340-152-0x0000000000F20000-0x0000000001788000-memory.dmp

Filesize
8.4MB

Download
memory/3340-148-0x0000000000F20000-0x0000000001788000-memory.dmp

Filesize
8.4MB

Download
memory/3340-154-0x0000000000F20000-0x0000000001788000-memory.dmp

Filesize
8.4MB

Download
memory/3340-156-0x0000000000F20000-0x0000000001788000-memory.dmp

Filesize
8.4MB

Download
memory/3340-157-0x0000000000F20000-0x0000000001788000-memory.dmp

Filesize
8.4MB

Download
memory/3340-158-0x0000000000F20000-0x0000000001788000-memory.dmp

Filesize
8.4MB

Download
memory/3340-159-0x0000000000F20000-0x0000000001788000-memory.dmp

Filesize
8.4MB

Download
memory/3340-149-0x0000000000F20000-0x0000000001788000-memory.dmp

Filesize
8.4MB

Download
memory/3340-161-0x0000000000F20000-0x0000000001788000-memory.dmp

Filesize
8.4MB

Download
memory/3340-162-0x0000000000F20000-0x0000000001788000-memory.dmp

Filesize
8.4MB

Download
memory/3340-164-0x0000000000F20000-0x0000000001788000-memory.dmp

Filesize
8.4MB

Download
memory/3340-165-0x0000000000F20000-0x0000000001788000-memory.dmp

Filesize
8.4MB

Download
memory/3340-166-0x0000000000F20000-0x0000000001788000-memory.dmp

Filesize
8.4MB

Download
memory/3340-167-0x0000000000F20000-0x0000000001788000-memory.dmp

Filesize
8.4MB

Download
memory/3340-168-0x0000000000F20000-0x0000000001788000-memory.dmp

Filesize
8.4MB

Download
memory/3340-169-0x0000000000F20000-0x0000000001788000-memory.dmp

Filesize
8.4MB

Download
memory/3340-170-0x0000000000F20000-0x0000000001788000-memory.dmp

Filesize
8.4MB

Download
memory/3340-171-0x0000000000F20000-0x0000000001788000-memory.dmp

Filesize
8.4MB

Download
memory/3340-172-0x0000000000F20000-0x0000000001788000-memory.dmp

Filesize
8.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads