a000d3f43e0cc949731179ea43999103f1f582e6b56d677891f7c2126d5b0ffd

Analysis

max time kernel
150s
max time network
100s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
06-05-2023 19:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ChancewareLoader_protected.exe
Size

3.5MB
MD5

2fd02a613b3b0f443d17b1bb7e08a9ed
SHA1

ebf9e2f97d84cc64e92eddc7cfdf27ecacfff0e6
SHA256

a000d3f43e0cc949731179ea43999103f1f582e6b56d677891f7c2126d5b0ffd
SHA512

69508eb88195ca17981dbe8842589e9d79ec467110d87502af51107a0bfe85d0c9f7ec2c6a990ef41f96c9c68a151b0404eebb68245b7ec0373a368391d8b0df
SSDEEP

49152:jm34svMV6WtqWNT0ygjoHMOT7jEuYKMbMNstqdsliIWu9DMsneS8ij9R7dGLT+Ao:KvgTscH37Q/KMbEyHzneLijnkTf84G0I

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__	ChancewareLoader_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	ChancewareLoader_protected.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	ChancewareLoader_protected.exe

Themida packer 8 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1748-54-0x000000013FA30000-0x00000001403AE000-memory.dmp	themida
behavioral1/memory/1748-55-0x000000013FA30000-0x00000001403AE000-memory.dmp	themida
behavioral1/memory/1748-57-0x000000013FA30000-0x00000001403AE000-memory.dmp	themida
behavioral1/memory/1748-56-0x000000013FA30000-0x00000001403AE000-memory.dmp	themida
behavioral1/memory/1748-58-0x000000013FA30000-0x00000001403AE000-memory.dmp	themida
behavioral1/memory/1748-59-0x000000013FA30000-0x00000001403AE000-memory.dmp	themida
behavioral1/memory/1748-63-0x000000013FA30000-0x00000001403AE000-memory.dmp	themida
behavioral1/memory/1748-66-0x000000013FA30000-0x00000001403AE000-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	ChancewareLoader_protected.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1748	ChancewareLoader_protected.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 1492	1748	ChancewareLoader_protected.exe	29
PID 1748 wrote to memory of 1492	1748	ChancewareLoader_protected.exe	29
PID 1748 wrote to memory of 1492	1748	ChancewareLoader_protected.exe	29
PID 1492 wrote to memory of 1480	1492	cmd.exe	30
PID 1492 wrote to memory of 1480	1492	cmd.exe	30
PID 1492 wrote to memory of 1480	1492	cmd.exe	30
PID 1492 wrote to memory of 556	1492	cmd.exe	31
PID 1492 wrote to memory of 556	1492	cmd.exe	31
PID 1492 wrote to memory of 556	1492	cmd.exe	31
PID 1492 wrote to memory of 1040	1492	cmd.exe	32
PID 1492 wrote to memory of 1040	1492	cmd.exe	32
PID 1492 wrote to memory of 1040	1492	cmd.exe	32

C:\Users\Admin\AppData\Local\Temp\ChancewareLoader_protected.exe
"C:\Users\Admin\AppData\Local\Temp\ChancewareLoader_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 use of WriteProcessMemory
PID:1748
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\ChancewareLoader_protected.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1492
- - C:\Windows\system32\certutil.exe
    certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\ChancewareLoader_protected.exe" MD5
    3⤵
    PID:1480
- - C:\Windows\system32\find.exe
    find /i /v "md5"
    3⤵
    PID:556
- - C:\Windows\system32\find.exe
    find /i /v "certutil"
    3⤵
    PID:1040

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

Loading Replay Monitor...

Downloads

memory/1748-54-0x000000013FA30000-0x00000001403AE000-memory.dmp

Filesize
9.5MB

Download
memory/1748-55-0x000000013FA30000-0x00000001403AE000-memory.dmp

Filesize
9.5MB

Download
memory/1748-57-0x000000013FA30000-0x00000001403AE000-memory.dmp

Filesize
9.5MB

Download
memory/1748-56-0x000000013FA30000-0x00000001403AE000-memory.dmp

Filesize
9.5MB

Download
memory/1748-58-0x000000013FA30000-0x00000001403AE000-memory.dmp

Filesize
9.5MB

Download
memory/1748-59-0x000000013FA30000-0x00000001403AE000-memory.dmp

Filesize
9.5MB

Download
memory/1748-63-0x000000013FA30000-0x00000001403AE000-memory.dmp

Filesize
9.5MB

Download
memory/1748-66-0x000000013FA30000-0x00000001403AE000-memory.dmp

Filesize
9.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads