cryptbot | 3a4fdb3a9b8a659cc336159f9473b70d747c22a357920e8052b9621f2a789310

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
05-05-2024 14:40

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General

Target

InterVpn/bin/InterVpn/vruns.exe
Size

2.1MB
MD5

d011b64103258b914404530d269eaf04
SHA1

45344ab34550a06600940d913dbe669fc520f3ea
SHA256

0ef43634f9b97b0198757717a0bde79c7f3d3e2234811efef0da13664784f13f
SHA512

cada28be136d2d8dea87bfa95e7eb1268e73a5d121d97003c9f42003d882b9af38dce0fc73ce71c5709f4fbdfe676c475ca2d6d6aee91abaa4b35b8e284c92e3
SSDEEP

49152:t4uGtUOSJDg33id1dy4G2vn2cwgG9shhBYFNqc:euGylEid1dpv22ushvE

Score

10^/10

cryptbot discovery evasion spyware stealer

Malware Config

Signatures

CryptBot
A C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

vruns.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ vruns.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:

vruns.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion vruns.exe
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion vruns.exe
Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

vruns.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Wine vruns.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
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
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

3 ip-api.com
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

vruns.exe

pid process

1724 vruns.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	vruns.exe

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

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Wine	vruns.exe

flow	ioc
3	ip-api.com

pid	process
1724	vruns.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

vruns.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	vruns.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	vruns.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

vruns.exe

pid process

1724 vruns.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

vruns.exe

pid process

1724 vruns.exe

pid	process
1724	vruns.exe

pid	process
1724	vruns.exe

C:\Users\Admin\AppData\Local\Temp\InterVpn\bin\InterVpn\vruns.exe
"C:\Users\Admin\AppData\Local\Temp\InterVpn\bin\InterVpn\vruns.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
PID:1724

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\ProgramData\xCXTlvUUO\172773668.txt
Filesize
156B

MD5
b5089e0c5a3d5377e9bd19c0557ef04e

SHA1
9402e326be3d240e234c06892b15c24e93c93eb8

SHA256
d77789b2c49759c882f4fdd6f53e665b0d012f8f0949d0150eaba47fbf2a0eb5

SHA512
942349ccb99854f274ef1e20b623660588e15bd0d25bfc817fe9b2d010db656af340652e0e67b41edbf0cf259d55ab880d6b50acb1d7e8ab394f1393f7956c13

Download Submit
C:\ProgramData\xCXTlvUUO\FEWfuEdxiLlRWT.zip
Filesize
42KB

MD5
fa1115030b632a70b4bc857479dd81f3

SHA1
f92c3926adae3479fe1e13c767cdf0ee931e4379

SHA256
41a4c3e1729151d275a767ef0900bdb1cf684dd8e31a549db8c5fee64ae03eb1

SHA512
fbb72dba41f0b3e824e031139ae38fbed5f03a84149d3de4d6dd0bcf89a342c84d8b025c7e2723f7071e07b5afd8683ebc9f835ecf6507de4532088bd1179f25

Download Submit
C:\ProgramData\xCXTlvUUO\Files\Browsers\_FileCC.txt
Filesize
3B

MD5
ecaa88f7fa0bf610a5a26cf545dcd3aa

SHA1
57218c316b6921e2cd61027a2387edc31a2d9471

SHA256
f1945cd6c19e56b3c1c78943ef5ec18116907a4ca1efc40a57d48ab1db7adfc5

SHA512
37c783b80b1d458b89e712c2dfe2777050eff0aefc9f6d8beedee77807d9aeb2e27d14815cf4f0229b1d36c186bb5f2b5ef55e632b108cc41e9fb964c39b42a5

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\WebDataCopy
Filesize
92KB

MD5
69b4e9248982ac94fa6ee1ea6528305f

SHA1
6fb0e765699dd0597b7a7c35af4b85eead942e5b

SHA256
53c5e056da67d60a3b2872f8d4bda857f687be398ed05ed17c102f4c4b942883

SHA512
5cb260ab12c8cf0f134c34ae9533ac06227a0c3bdb9ad30d925d3d7b96e6fae0825c63e7db3c78852dc2a053767bbcfdd16898531509ffadade2dd7149f6241d

Download Submit
memory/1724-115-0x0000000000400000-0x0000000000906000-memory.dmp

Filesize
5.0MB

Download
memory/1724-129-0x0000000000400000-0x0000000000906000-memory.dmp

Filesize
5.0MB

Download
memory/1724-3-0x0000000004470000-0x0000000004471000-memory.dmp

Filesize
4KB

Download
memory/1724-2-0x0000000004480000-0x0000000004481000-memory.dmp

Filesize
4KB

Download
memory/1724-5-0x00000000044F0000-0x00000000044F1000-memory.dmp

Filesize
4KB

Download
memory/1724-9-0x0000000000400000-0x0000000000906000-memory.dmp

Filesize
5.0MB

Download
memory/1724-6-0x00000000043F0000-0x00000000043F1000-memory.dmp

Filesize
4KB

Download
memory/1724-7-0x0000000004430000-0x0000000004431000-memory.dmp

Filesize
4KB

Download
memory/1724-91-0x0000000000400000-0x0000000000906000-memory.dmp

Filesize
5.0MB

Download
memory/1724-90-0x0000000000400000-0x0000000000906000-memory.dmp

Filesize
5.0MB

Download
memory/1724-85-0x0000000000400000-0x0000000000906000-memory.dmp

Filesize
5.0MB

Download
memory/1724-8-0x0000000000401000-0x000000000045A000-memory.dmp

Filesize
356KB

Download
memory/1724-0-0x0000000000400000-0x0000000000906000-memory.dmp

Filesize
5.0MB

Download
memory/1724-126-0x0000000000400000-0x0000000000906000-memory.dmp

Filesize
5.0MB

Download
memory/1724-127-0x0000000000400000-0x0000000000906000-memory.dmp

Filesize
5.0MB

Download
memory/1724-4-0x00000000044E0000-0x00000000044E2000-memory.dmp

Filesize
8KB

Download
memory/1724-130-0x0000000000400000-0x0000000000906000-memory.dmp

Filesize
5.0MB

Download
memory/1724-131-0x0000000000400000-0x0000000000906000-memory.dmp

Filesize
5.0MB

Download
memory/1724-1-0x00000000772B0000-0x00000000772B2000-memory.dmp

Filesize
8KB

Download
memory/1724-133-0x0000000000400000-0x0000000000906000-memory.dmp

Filesize
5.0MB

Download
memory/1724-136-0x0000000000400000-0x0000000000906000-memory.dmp

Filesize
5.0MB

Download
memory/1724-138-0x0000000000400000-0x0000000000906000-memory.dmp

Filesize
5.0MB

Download
memory/1724-141-0x0000000000400000-0x0000000000906000-memory.dmp

Filesize
5.0MB

Download
memory/1724-143-0x0000000000400000-0x0000000000906000-memory.dmp

Filesize
5.0MB

Download
memory/1724-146-0x0000000000400000-0x0000000000906000-memory.dmp

Filesize
5.0MB

Download
memory/1724-148-0x0000000000400000-0x0000000000906000-memory.dmp

Filesize
5.0MB

Download
memory/1724-150-0x0000000000400000-0x0000000000906000-memory.dmp

Filesize
5.0MB

Download
memory/1724-153-0x0000000000400000-0x0000000000906000-memory.dmp

Filesize
5.0MB

Download
memory/1724-155-0x0000000000400000-0x0000000000906000-memory.dmp

Filesize
5.0MB

Download
memory/1724-157-0x0000000000400000-0x0000000000906000-memory.dmp

Filesize
5.0MB

Download
memory/1724-160-0x0000000000400000-0x0000000000906000-memory.dmp

Filesize
5.0MB

Download