cryptbot | 4e459e942437ee7a6b767925f7cfaac795f9049c71b9211392061b2f4338dbfb

Analysis

max time kernel
146s
max time network
149s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
24-05-2024 16:52

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General

Target

Setup.exe
Size

2.2MB
MD5

112612c1ceaf7965ed7beb7d2341e0e2
SHA1

4a2e3df41d122e0ab2e4d8b774e806554f4a6296
SHA256

b5ee04d73e9cfa30a1719d2cbf9d17e76a5c8dc6149f9bb571365d5ee5b00072
SHA512

5ebf8b9f98497c35629d6924e03ca5d7661fea4ff5ae46ae56c56111f38d3af2ad51818d4363985424991e53663d1b96c366d84cbeb34dbecf641e7d09c1eeba
SSDEEP

49152:8NE9c7j+VxRCE0ntUyaDou+DuPSQQN/630zOKDYhKk:2j+0jntUODuPwdyZKDYhKk

Score

10^/10

cryptbot discovery evasion spyware stealer

Malware Config

Extracted

Family

cryptbot

biss01.info

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:

Setup.exe

description ioc process

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

Setup.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Setup.exe
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Setup.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:

Setup.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Wine Setup.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:

Setup.exe

pid process

2156 Setup.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__	Setup.exe

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

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Wine	Setup.exe

flow	ioc
3	ip-api.com

pid	process
2156	Setup.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:

Setup.exe

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

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Setup.exe

pid process

2156 Setup.exe
Suspicious use of FindShellTrayWindow 12 IoCs

Processes:

Setup.exe

pid process

2156 Setup.exe
2156 Setup.exe
2156 Setup.exe
2156 Setup.exe
2156 Setup.exe
2156 Setup.exe
2156 Setup.exe
2156 Setup.exe
2156 Setup.exe
2156 Setup.exe
2156 Setup.exe
2156 Setup.exe

pid	process
2156	Setup.exe

pid	process
2156	Setup.exe
2156	Setup.exe
2156	Setup.exe
2156	Setup.exe
2156	Setup.exe
2156	Setup.exe
2156	Setup.exe
2156	Setup.exe
2156	Setup.exe
2156	Setup.exe
2156	Setup.exe
2156	Setup.exe

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.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:2156

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\ProgramData\uTOzdxBcvHA4\47283761.txt
Filesize
156B

MD5
b5089e0c5a3d5377e9bd19c0557ef04e

SHA1
9402e326be3d240e234c06892b15c24e93c93eb8

SHA256
d77789b2c49759c882f4fdd6f53e665b0d012f8f0949d0150eaba47fbf2a0eb5

SHA512
942349ccb99854f274ef1e20b623660588e15bd0d25bfc817fe9b2d010db656af340652e0e67b41edbf0cf259d55ab880d6b50acb1d7e8ab394f1393f7956c13

Download Submit
C:\ProgramData\uTOzdxBcvHA4\DpWekAzSCP.zip
Filesize
38KB

MD5
289e448442845ee27e108a67ea48bb93

SHA1
3f01c770a27f39405d15685f640b21e4c2bb0c6f

SHA256
4baced8268aeb15f4c8574ef5544a0e0728bd6475ad3b591a88d3385f1a96b5f

SHA512
cb6c35d75bcd709acfe70f7c7b8cac598ed156974b82814dc14280ac5f57e5329ae0d61d2810ea76dde396c0cd8c671e4f0d705e0c9ed438a0f8324d1c4500eb

Download Submit
memory/2156-51-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-22-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-0-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-53-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-9-0x0000000002B70000-0x0000000002B71000-memory.dmp

Filesize
4KB

Download
memory/2156-8-0x0000000002D00000-0x0000000002D01000-memory.dmp

Filesize
4KB

Download
memory/2156-7-0x0000000002850000-0x0000000002851000-memory.dmp

Filesize
4KB

Download
memory/2156-6-0x0000000002CB0000-0x0000000002CB1000-memory.dmp

Filesize
4KB

Download
memory/2156-23-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-5-0x0000000002F70000-0x0000000002F71000-memory.dmp

Filesize
4KB

Download
memory/2156-4-0x0000000002D60000-0x0000000002D61000-memory.dmp

Filesize
4KB

Download
memory/2156-3-0x00000000029D0000-0x00000000029D1000-memory.dmp

Filesize
4KB

Download
memory/2156-2-0x0000000002A60000-0x0000000002A61000-memory.dmp

Filesize
4KB

Download
memory/2156-26-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-12-0x0000000000ED1000-0x0000000000F30000-memory.dmp

Filesize
380KB

Download
memory/2156-46-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-19-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-54-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-10-0x0000000000A80000-0x0000000000A81000-memory.dmp

Filesize
4KB

Download
memory/2156-56-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-57-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-58-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-1-0x00000000772C0000-0x00000000772C2000-memory.dmp

Filesize
8KB

Download
memory/2156-60-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-62-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-64-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-66-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-68-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-71-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-73-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-76-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-78-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-80-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-82-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-84-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download
memory/2156-87-0x0000000000ED0000-0x0000000001407000-memory.dmp

Filesize
5.2MB

Download