ee61eff54a72b2685295da02d759d6ee76d1cf0e8e495b3e6ef142f11662fea6

Analysis

max time kernel
47s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
23/05/2023, 19:26

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General

Target

0lymp.us_protected.exe
Size

17.0MB
MD5

a629884293db6eb206dc6127db697aaa
SHA1

6bf9b78b131af2643fb7bde0fde0bfc622e5fc02
SHA256

ee61eff54a72b2685295da02d759d6ee76d1cf0e8e495b3e6ef142f11662fea6
SHA512

485d5cfa2077672c070209ab9a4b186382eddcc0f29cf210ea60f6d4987a684489fe9cdb24c982b2e02bdee2e07f7146d2a674192c734319b6460fbd9c74c21e
SSDEEP

393216:PcScAzdDnoozOOuRl2DRwwdBYQeqp3Z/h42LTXahgUo6hSU8dEKY:PczAzFoduDmwKu3VOPhgiQU8qH

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__	0lymp.us_protected.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	0lymp.us_protected.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	0lymp.us_protected.exe

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1348-62-0x0000000000F50000-0x0000000002724000-memory.dmp	themida
behavioral1/memory/1348-63-0x0000000000F50000-0x0000000002724000-memory.dmp	themida
behavioral1/memory/1348-70-0x0000000000F50000-0x0000000002724000-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	0lymp.us_protected.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1348	0lymp.us_protected.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
684	1348	WerFault.exe	27

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1348	0lymp.us_protected.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1348 wrote to memory of 684	1348	0lymp.us_protected.exe	28
PID 1348 wrote to memory of 684	1348	0lymp.us_protected.exe	28
PID 1348 wrote to memory of 684	1348	0lymp.us_protected.exe	28
PID 1348 wrote to memory of 684	1348	0lymp.us_protected.exe	28

C:\Users\Admin\AppData\Local\Temp\0lymp.us_protected.exe
"C:\Users\Admin\AppData\Local\Temp\0lymp.us_protected.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: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1348
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1348 -s 664
  2⤵
  - Program crash
  PID:684

Network

MITRE ATT&CK Enterprise v6

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

memory/1348-54-0x0000000000F50000-0x0000000002724000-memory.dmp

Filesize
23.8MB

Download
memory/1348-59-0x0000000000F50000-0x0000000002724000-memory.dmp

Filesize
23.8MB

Download
memory/1348-62-0x0000000000F50000-0x0000000002724000-memory.dmp

Filesize
23.8MB

Download
memory/1348-63-0x0000000000F50000-0x0000000002724000-memory.dmp

Filesize
23.8MB

Download
memory/1348-64-0x0000000000690000-0x00000000006DA000-memory.dmp

Filesize
296KB

Download
memory/1348-65-0x0000000000640000-0x0000000000650000-memory.dmp

Filesize
64KB

Download
memory/1348-66-0x0000000006970000-0x0000000006A44000-memory.dmp

Filesize
848KB

Download
memory/1348-67-0x0000000006540000-0x0000000006580000-memory.dmp

Filesize
256KB

Download
memory/1348-70-0x0000000000F50000-0x0000000002724000-memory.dmp

Filesize
23.8MB

Download