35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/01/2025, 19:16

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General

Target

35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe
Size

3.2MB
MD5

a14510e62298e461bd64b7a75b7629a6
SHA1

6bc9fd3d4fda53786fe48d41c5a6fb3e57f227af
SHA256

35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8
SHA512

10682f5347ad26646bfc631c50f116d0657e28c41149a6c18b8da34fa52ffdfadbe8c46a4266640f977738964d8fafea90ea375f6e2a17395f8ef109eb186a2c
SSDEEP

49152:ZsvoQtzPIM6eHLwp8gauv2DAgJtYGwxFe7LD4gyoz+U+IIKQMt91TrzSjjdDG9:ZsZzPpbrcvngJtYOD5+U+6nTCFDG9

Score

9^/10

discovery evasion

Malware Config

Signatures

Enumerates VirtualBox registry keys 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF	VC_redist.x86.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe

Executes dropped EXE 2 IoCs

pid	Process
1864	VC_redist.x64.exe
4332	VC_redist.x86.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Embeds OpenSSL 1 IoCs

Embeds OpenSSL, may be used to circumvent TLS interception.

resource	yara_rule
behavioral2/files/0x000a000000023b97-2626.dat	embeds_openssl

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VC_redist.x86.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
4332	VC_redist.x86.exe
4332	VC_redist.x86.exe
4332	VC_redist.x86.exe
4332	VC_redist.x86.exe
4332	VC_redist.x86.exe
4332	VC_redist.x86.exe
4332	VC_redist.x86.exe
4332	VC_redist.x86.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 1864	1612	35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe	82
PID 1612 wrote to memory of 1864	1612	35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe	82
PID 1612 wrote to memory of 4332	1612	35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe	85
PID 1612 wrote to memory of 4332	1612	35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe	85
PID 1612 wrote to memory of 4332	1612	35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe	85

C:\Users\Admin\AppData\Local\Temp\35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe
"C:\Users\Admin\AppData\Local\Temp\35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe"
  2⤵
  - Executes dropped EXE
  PID:1864
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe"
  2⤵
  - Enumerates VirtualBox registry keys
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:4332

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe

Filesize
628KB

MD5
51c3f33163cb118d7cd1506648d8ea69

SHA1
2f37ac854cea300577e6de102e1c699a87f2178d

SHA256
92a5600741e66bba6153e2b536781416080e5338d703c2de8deb13ee4788dad8

SHA512
4816cd986a5f423ebdabb11230437f12394433e69c0bda9e99a0028fcf04ff68db10941ffcca7a6db24e850f3f55b0e81c4df9edc2ba31d204d5925c8a636a3f

Download Submit
C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x86.exe

Filesize
7.7MB

MD5
f6b28de198800179a0cedaf80a94d2bf

SHA1
d4ebd56bf9f0d09763b0dc7d5744833ba0a07af3

SHA256
a93027840829eabd77e96b893e7afdabf832702fb9e95b056a45809e448fec2f

SHA512
1c8cb16058d19a4fdd323e5736a55e1aa8d41b3cd6af0012c764b67dcb9af2a2527ec9b8a08cefc2749cba93e6ffd7bc967497b431e02dc3ba822e42e2fd929a

Download Submit
memory/1864-48-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-58-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-44-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-54-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-76-0x00007FF868440000-0x00007FF868F01000-memory.dmp

Filesize
10.8MB

Download
memory/1864-79-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-77-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-81-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-72-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-70-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-68-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-66-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-62-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-60-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-46-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-56-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-52-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-50-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-16-0x00000167E4610000-0x00000167E4708000-memory.dmp

Filesize
992KB

Download
memory/1864-15-0x00000167CA1A0000-0x00000167CA242000-memory.dmp

Filesize
648KB

Download
memory/1864-32-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-40-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-38-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-36-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-34-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-42-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-28-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-26-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-24-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-22-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-20-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-18-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-74-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-64-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-30-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-17-0x00000167E4610000-0x00000167E4704000-memory.dmp

Filesize
976KB

Download
memory/1864-2620-0x00000167E4710000-0x00000167E4766000-memory.dmp

Filesize
344KB

Download
memory/1864-2621-0x00000167E47A0000-0x00000167E47EC000-memory.dmp

Filesize
304KB

Download
memory/1864-2623-0x00007FF868440000-0x00007FF868F01000-memory.dmp

Filesize
10.8MB

Download
memory/1864-14-0x00007FF868443000-0x00007FF868445000-memory.dmp

Filesize
8KB

Download