d414a91153d3003d9026994389a629203aa3f8fc83017f0e727273560315e181

General

Target

release/main/loader.exe
Size

4.1MB
MD5

9ecdc9ed1bea6c226f92d740d43400b9
SHA1

b5b5066cd4284733d8c3f3d7de3ca6653091ae10
SHA256

60c57f14c2e0e0df0bda16646b21dddceaee0159dafbbb8daba310d4e1b5be6c
SHA512

30bc705a2438288e3647d5adfc6119d751823970972b9c6b39a60384a2b7ac261986026b8d1c0b0ca7ee3d7e95363c97b873fdc5fad4096c903cb4e15bf57e43
SSDEEP

98304:vnUGAC+hqc8lqvdzw2nsNKYYURyc9JirsN4JzmUPj:PTn2qcUzp6UYeJRCxPj

Score

9^/10

evasion themida 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

Processes:

loader.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ loader.exe

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

Processes:

loader.exe

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

Themida packer 9 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral6/memory/1444-0-0x00007FF6EF850000-0x00007FF6F02EF000-memory.dmp	themida
behavioral6/memory/1444-2-0x00007FF6EF850000-0x00007FF6F02EF000-memory.dmp	themida
behavioral6/memory/1444-3-0x00007FF6EF850000-0x00007FF6F02EF000-memory.dmp	themida
behavioral6/memory/1444-4-0x00007FF6EF850000-0x00007FF6F02EF000-memory.dmp	themida
behavioral6/memory/1444-6-0x00007FF6EF850000-0x00007FF6F02EF000-memory.dmp	themida
behavioral6/memory/1444-7-0x00007FF6EF850000-0x00007FF6F02EF000-memory.dmp	themida
behavioral6/memory/1444-5-0x00007FF6EF850000-0x00007FF6F02EF000-memory.dmp	themida
behavioral6/memory/1444-8-0x00007FF6EF850000-0x00007FF6F02EF000-memory.dmp	themida
behavioral6/memory/1444-9-0x00007FF6EF850000-0x00007FF6F02EF000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

loader.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA loader.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

loader.exe

pid process

1444 loader.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

loader.exe

pid process

1444 loader.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

loader.exe

pid process

1444 loader.exe

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

pid	process
1444	loader.exe

pid	process
1444	loader.exe

pid	process
1444	loader.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

loader.execmd.exe

description	pid	process	target process
PID 1444 wrote to memory of 2756	1444	loader.exe	cmd.exe
PID 1444 wrote to memory of 2756	1444	loader.exe	cmd.exe
PID 2756 wrote to memory of 4692	2756	cmd.exe	certutil.exe
PID 2756 wrote to memory of 4692	2756	cmd.exe	certutil.exe
PID 2756 wrote to memory of 608	2756	cmd.exe	find.exe
PID 2756 wrote to memory of 608	2756	cmd.exe	find.exe
PID 2756 wrote to memory of 3196	2756	cmd.exe	find.exe
PID 2756 wrote to memory of 3196	2756	cmd.exe	find.exe

C:\Users\Admin\AppData\Local\Temp\release\main\loader.exe
"C:\Users\Admin\AppData\Local\Temp\release\main\loader.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1444

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\release\main\loader.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
2⤵
- Suspicious use of WriteProcessMemory
PID:2756

C:\Windows\system32\certutil.exe
certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\release\main\loader.exe" MD5
3⤵
PID:4692

C:\Windows\system32\find.exe
find /i /v "md5"
3⤵
PID:608

C:\Windows\system32\find.exe
find /i /v "certutil"
3⤵
PID:3196

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4156 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
1⤵
PID:5092

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

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

Resource Development

Reconnaissance

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Downloads

memory/1444-0-0x00007FF6EF850000-0x00007FF6F02EF000-memory.dmp

Filesize
10.6MB

Download
memory/1444-1-0x00007FFB03550000-0x00007FFB03552000-memory.dmp

Filesize
8KB

Download
memory/1444-2-0x00007FF6EF850000-0x00007FF6F02EF000-memory.dmp

Filesize
10.6MB

Download
memory/1444-3-0x00007FF6EF850000-0x00007FF6F02EF000-memory.dmp

Filesize
10.6MB

Download
memory/1444-4-0x00007FF6EF850000-0x00007FF6F02EF000-memory.dmp

Filesize
10.6MB

Download
memory/1444-6-0x00007FF6EF850000-0x00007FF6F02EF000-memory.dmp

Filesize
10.6MB

Download
memory/1444-7-0x00007FF6EF850000-0x00007FF6F02EF000-memory.dmp

Filesize
10.6MB

Download
memory/1444-5-0x00007FF6EF850000-0x00007FF6F02EF000-memory.dmp

Filesize
10.6MB

Download
memory/1444-8-0x00007FF6EF850000-0x00007FF6F02EF000-memory.dmp

Filesize
10.6MB

Download
memory/1444-9-0x00007FF6EF850000-0x00007FF6F02EF000-memory.dmp

Filesize
10.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads