8b5c577ed2cb64d8e04b626b70e2369d157559586a006c3faf49654737ad8112

General

Target

4163344e4f4cd060d942daff7d672398.exe
Size

4.5MB
MD5

4163344e4f4cd060d942daff7d672398
SHA1

a6aaa491e15ef64f5cabf6150f58f8f745d29ee1
SHA256

8b5c577ed2cb64d8e04b626b70e2369d157559586a006c3faf49654737ad8112
SHA512

33368a7000cb24f57c131a3f8b264609fb3f176ae1abdeea2bda40f7f302486ce010188e6f38d842974ca023730194b9f61a3fe288a28acd11018b9fdfb57527
SSDEEP

98304:2VSUXVR3KIsPLiLuiFlQ9ydl8OKJ08miJ:WSSnKhLiKOQe+OKKwJ

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:

4163344e4f4cd060d942daff7d672398.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 4163344e4f4cd060d942daff7d672398.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	4163344e4f4cd060d942daff7d672398.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:

4163344e4f4cd060d942daff7d672398.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	4163344e4f4cd060d942daff7d672398.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	4163344e4f4cd060d942daff7d672398.exe

Themida packer 9 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/240-55-0x0000000001330000-0x0000000001E89000-memory.dmp	themida
behavioral1/memory/240-56-0x0000000001330000-0x0000000001E89000-memory.dmp	themida
behavioral1/memory/240-57-0x0000000001330000-0x0000000001E89000-memory.dmp	themida
behavioral1/memory/240-58-0x0000000001330000-0x0000000001E89000-memory.dmp	themida
behavioral1/memory/240-59-0x0000000001330000-0x0000000001E89000-memory.dmp	themida
behavioral1/memory/240-60-0x0000000001330000-0x0000000001E89000-memory.dmp	themida
behavioral1/memory/240-61-0x0000000001330000-0x0000000001E89000-memory.dmp	themida
behavioral1/memory/240-62-0x0000000001330000-0x0000000001E89000-memory.dmp	themida
behavioral1/memory/240-63-0x0000000001330000-0x0000000001E89000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

4163344e4f4cd060d942daff7d672398.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	4163344e4f4cd060d942daff7d672398.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

1 ipinfo.io
3 ipinfo.io

flow	ioc
1	ipinfo.io
3	ipinfo.io

Drops file in System32 directory 4 IoCs

Processes:

4163344e4f4cd060d942daff7d672398.exe

description	ioc	process
File opened for modification	C:\Windows\System32\GroupPolicy	4163344e4f4cd060d942daff7d672398.exe
File opened for modification	C:\Windows\SysWOW64\GroupPolicy\gpt.ini	4163344e4f4cd060d942daff7d672398.exe
File created	C:\Windows\System32\GroupPolicy\Machine\Registry.pol	4163344e4f4cd060d942daff7d672398.exe
File opened for modification	C:\Windows\System32\GroupPolicy\GPT.INI	4163344e4f4cd060d942daff7d672398.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

4163344e4f4cd060d942daff7d672398.exe

pid process

240 4163344e4f4cd060d942daff7d672398.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

4163344e4f4cd060d942daff7d672398.exe

pid process

240 4163344e4f4cd060d942daff7d672398.exe

pid	process
240	4163344e4f4cd060d942daff7d672398.exe

pid	process
240	4163344e4f4cd060d942daff7d672398.exe

C:\Users\Admin\AppData\Local\Temp\4163344e4f4cd060d942daff7d672398.exe
"C:\Users\Admin\AppData\Local\Temp\4163344e4f4cd060d942daff7d672398.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:240

Network

MITRE ATT&CK Matrix ATT&CK v6

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

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Downloads

memory/240-54-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

Filesize
8KB

Download
memory/240-55-0x0000000001330000-0x0000000001E89000-memory.dmp

Filesize
11.3MB

Download
memory/240-56-0x0000000001330000-0x0000000001E89000-memory.dmp

Filesize
11.3MB

Download
memory/240-57-0x0000000001330000-0x0000000001E89000-memory.dmp

Filesize
11.3MB

Download
memory/240-58-0x0000000001330000-0x0000000001E89000-memory.dmp

Filesize
11.3MB

Download
memory/240-59-0x0000000001330000-0x0000000001E89000-memory.dmp

Filesize
11.3MB

Download
memory/240-60-0x0000000001330000-0x0000000001E89000-memory.dmp

Filesize
11.3MB

Download
memory/240-61-0x0000000001330000-0x0000000001E89000-memory.dmp

Filesize
11.3MB

Download
memory/240-62-0x0000000001330000-0x0000000001E89000-memory.dmp

Filesize
11.3MB

Download
memory/240-64-0x00000000770D0000-0x0000000077250000-memory.dmp

Filesize
1.5MB

Download
memory/240-63-0x0000000001330000-0x0000000001E89000-memory.dmp

Filesize
11.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads