086c622c79e43fc2d0801824a09f588d68716ec9f8731f99ee1a0dd44641c29c

Analysis

max time kernel
121s
max time network
127s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
20-07-2024 21:24

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General

Target

Spoofer/Mac.exe
Size

2.8MB
MD5

968ba4b5549e08605049d5d126406c5a
SHA1

b6204e980656a3465be1a93e274ef9e263cef189
SHA256

ad1e8e8f42d7db9753ec0faaff70224866140845ef775fbd97a5246e7e64f902
SHA512

c27851a92ff09e278ed74b38cbe31b6b8b472a287981860767ebd4b4ae212b80cb82a0f97e7397d436913153b163710241151bdb789d7c0e49c8a287ac3baa0c
SSDEEP

49152:7ACyWLMURxAxsjSmlFHQyeN27hvIP2BJD0mfsmBrOHG9vCPdk0BjTEqAh:7OyRx95FHNeNKVHJ4mf1q+Ik0VTpG

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:

Mac.exe

description ioc process

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

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

Mac.exe

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

Themida packer 8 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral31/memory/2544-0-0x000000013F400000-0x000000013FAEF000-memory.dmp	themida
behavioral31/memory/2544-4-0x000000013F400000-0x000000013FAEF000-memory.dmp	themida
behavioral31/memory/2544-6-0x000000013F400000-0x000000013FAEF000-memory.dmp	themida
behavioral31/memory/2544-3-0x000000013F400000-0x000000013FAEF000-memory.dmp	themida
behavioral31/memory/2544-2-0x000000013F400000-0x000000013FAEF000-memory.dmp	themida
behavioral31/memory/2544-7-0x000000013F400000-0x000000013FAEF000-memory.dmp	themida
behavioral31/memory/2544-5-0x000000013F400000-0x000000013FAEF000-memory.dmp	themida
behavioral31/memory/2544-61-0x000000013F400000-0x000000013FAEF000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Mac.exe

description ioc process

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

Processes:

Mac.exe

pid process

2544 Mac.exe

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

pid	process
2544	Mac.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

Mac.execmd.exe

description	pid	process	target process
PID 2544 wrote to memory of 2236	2544	Mac.exe	cmd.exe
PID 2544 wrote to memory of 2236	2544	Mac.exe	cmd.exe
PID 2544 wrote to memory of 2236	2544	Mac.exe	cmd.exe
PID 2544 wrote to memory of 1860	2544	Mac.exe	cmd.exe
PID 2544 wrote to memory of 1860	2544	Mac.exe	cmd.exe
PID 2544 wrote to memory of 1860	2544	Mac.exe	cmd.exe
PID 1860 wrote to memory of 2708	1860	cmd.exe	certutil.exe
PID 1860 wrote to memory of 2708	1860	cmd.exe	certutil.exe
PID 1860 wrote to memory of 2708	1860	cmd.exe	certutil.exe
PID 1860 wrote to memory of 1108	1860	cmd.exe	find.exe
PID 1860 wrote to memory of 1108	1860	cmd.exe	find.exe
PID 1860 wrote to memory of 1108	1860	cmd.exe	find.exe
PID 1860 wrote to memory of 2284	1860	cmd.exe	find.exe
PID 1860 wrote to memory of 2284	1860	cmd.exe	find.exe
PID 1860 wrote to memory of 2284	1860	cmd.exe	find.exe

C:\Users\Admin\AppData\Local\Temp\Spoofer\Mac.exe
"C:\Users\Admin\AppData\Local\Temp\Spoofer\Mac.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:2544

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c cls
2⤵
PID:2236

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Spoofer\Mac.exe" MD5 | find /i /v "md5" | find /i /v "certutil"
2⤵
- Suspicious use of WriteProcessMemory
PID:1860

C:\Windows\system32\certutil.exe
certutil -hashfile "C:\Users\Admin\AppData\Local\Temp\Spoofer\Mac.exe" MD5
3⤵
PID:2708

C:\Windows\system32\find.exe
find /i /v "md5"
3⤵
PID:1108

C:\Windows\system32\find.exe
find /i /v "certutil"
3⤵
PID:2284

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabBBE2.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarBBF4.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2544-0-0x000000013F400000-0x000000013FAEF000-memory.dmp

Filesize
6.9MB

Download
memory/2544-1-0x0000000077C80000-0x0000000077C82000-memory.dmp

Filesize
8KB

Download
memory/2544-4-0x000000013F400000-0x000000013FAEF000-memory.dmp

Filesize
6.9MB

Download
memory/2544-6-0x000000013F400000-0x000000013FAEF000-memory.dmp

Filesize
6.9MB

Download
memory/2544-3-0x000000013F400000-0x000000013FAEF000-memory.dmp

Filesize
6.9MB

Download
memory/2544-2-0x000000013F400000-0x000000013FAEF000-memory.dmp

Filesize
6.9MB

Download
memory/2544-7-0x000000013F400000-0x000000013FAEF000-memory.dmp

Filesize
6.9MB

Download
memory/2544-5-0x000000013F400000-0x000000013FAEF000-memory.dmp

Filesize
6.9MB

Download
memory/2544-61-0x000000013F400000-0x000000013FAEF000-memory.dmp

Filesize
6.9MB

Download