d98b023993c40643ea76dde7209fc693af2bc7e07eaf9f9b6bedac12bc920ec2

Analysis

max time kernel
23s
max time network
30s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
10-04-2024 07:42

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General

Target

updater.exe
Size

4.8MB
MD5

37ef70bafb1b6928975fede40c0277a1
SHA1

e4c818bba1a8bb45cf9625e7c2b77918019650b0
SHA256

d98b023993c40643ea76dde7209fc693af2bc7e07eaf9f9b6bedac12bc920ec2
SHA512

84f65948a91f6d851ca43a3dfe346d357b59ce422d8f206f7850da1e10fb75916331c2452fd6b18ca000b2b7529f49094a34abb6b42551dca9a99b831161be48
SSDEEP

98304:m6+l6GqXjKZYKiE7PJVt/HgTOLPnABBmyJ56EW7bFyfdHB3aMcAY+:m6oqXj65iaRb/ATyrJEMRAHB3sg

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	updater.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	updater.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	updater.exe

Executes dropped EXE 1 IoCs

pid	Process
3664	loader.exe

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/4952-5-0x0000000140000000-0x0000000140CA4000-memory.dmp	themida
behavioral1/memory/4952-6-0x0000000140000000-0x0000000140CA4000-memory.dmp	themida
behavioral1/files/0x0002000000029efa-13.dat	themida
behavioral1/memory/4952-20-0x0000000140000000-0x0000000140CA4000-memory.dmp	themida

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	updater.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4952	updater.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\annihilate\loader.exe	updater.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
4952	updater.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4952	updater.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 3664	4952	updater.exe	80
PID 4952 wrote to memory of 3664	4952	updater.exe	80

C:\Users\Admin\AppData\Local\Temp\updater.exe
"C:\Users\Admin\AppData\Local\Temp\updater.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
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4952
- C:\Program Files\annihilate\loader.exe
  "C:\Program Files\annihilate\loader.exe"
  2⤵
  - Executes dropped EXE
  PID:3664

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

C:\Program Files\annihilate\loader.exe

Filesize
21.3MB

MD5
23774eb3bb2c805291887d6124939bd6

SHA1
7249b515e956b6ee7daa4e7857bec8c79f00d6bf

SHA256
372d19bf6529edca91c08ba66ed115a715392ecd38a6b33113a36558a7200ba5

SHA512
aad19f85e6caf793dd0a9e14585b5fb12e49efe2b000a9661e20bca78c4f6af56081905bc2de9dbae7664bbb41db7c374da2cc89d6d2ab873f3b19b5363146b5

Download Submit
memory/4952-4-0x00007FFF80030000-0x00007FFF80031000-memory.dmp

Filesize
4KB

Download
memory/4952-8-0x000000001BD80000-0x000000001BD90000-memory.dmp

Filesize
64KB

Download
memory/4952-0-0x0000000140000000-0x0000000140CA4000-memory.dmp

Filesize
12.6MB

Download
memory/4952-3-0x00007FFF83EA0000-0x00007FFF840A9000-memory.dmp

Filesize
2.0MB

Download
memory/4952-5-0x0000000140000000-0x0000000140CA4000-memory.dmp

Filesize
12.6MB

Download
memory/4952-6-0x0000000140000000-0x0000000140CA4000-memory.dmp

Filesize
12.6MB

Download
memory/4952-7-0x00007FFF62FD0000-0x00007FFF63A92000-memory.dmp

Filesize
10.8MB

Download
memory/4952-2-0x00007FFF80000000-0x00007FFF80002000-memory.dmp

Filesize
8KB

Download
memory/4952-1-0x00007FFF82430000-0x00007FFF824ED000-memory.dmp

Filesize
756KB

Download
memory/4952-19-0x000000001BBC0000-0x000000001BCA7000-memory.dmp

Filesize
924KB

Download
memory/4952-20-0x0000000140000000-0x0000000140CA4000-memory.dmp

Filesize
12.6MB

Download
memory/4952-21-0x00007FFF82430000-0x00007FFF824ED000-memory.dmp

Filesize
756KB

Download
memory/4952-22-0x00007FFF83EA0000-0x00007FFF840A9000-memory.dmp

Filesize
2.0MB

Download
memory/4952-23-0x00007FFF62FD0000-0x00007FFF63A92000-memory.dmp

Filesize
10.8MB

Download