cryptbot | d1d65a8a10ee7258e2c0c2d43a8180a0faa56c399c76eecd075d053d565a8ddd

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
31-05-2024 18:55

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General

Target

Setup.exe
Size

2.2MB
MD5

85f23b584b90f70c3df7fc98786cef0e
SHA1

f79271242dc8332ea8ac3644367b86a1fdb6604c
SHA256

dcaae466817bfe1a408ce564c702ccc373eff859b6b134f2b8b5b10142e948d8
SHA512

a3d33cedf920e83eb438306821e8243d815c85176c993e6b91fba6c5279c3e0f47f8a868b8f10a80b3f8edf53f6625af566eef22da7a182896ad812e26b58a7d
SSDEEP

49152:lCx+HwjTC4kNA6XJcJ0p4+0SsGbeJzt85iMa+YIokZEIyJ6P16:lCx+QjTC4uXaQ4Dhu5MIhDyJ6P16

Score

10^/10

cryptbot discovery evasion spyware stealer

Malware Config

Extracted

Family

cryptbot

nife04.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\VideoBiosVersion Setup.exe
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 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-1-5-21-1337824034-2731376981-3755436523-1000\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

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

Processes:

Setup.exe

pid process

4788 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\VideoBiosVersion	Setup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Setup.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine	Setup.exe

flow	ioc
13	ip-api.com

pid	process
4788	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 2 IoCs

Processes:

Setup.exe

pid process

4788 Setup.exe
4788 Setup.exe
Suspicious use of FindShellTrayWindow 12 IoCs

Processes:

Setup.exe

pid process

4788 Setup.exe
4788 Setup.exe
4788 Setup.exe
4788 Setup.exe
4788 Setup.exe
4788 Setup.exe
4788 Setup.exe
4788 Setup.exe
4788 Setup.exe
4788 Setup.exe
4788 Setup.exe
4788 Setup.exe

pid	process
4788	Setup.exe
4788	Setup.exe

pid	process
4788	Setup.exe
4788	Setup.exe
4788	Setup.exe
4788	Setup.exe
4788	Setup.exe
4788	Setup.exe
4788	Setup.exe
4788	Setup.exe
4788	Setup.exe
4788	Setup.exe
4788	Setup.exe
4788	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:4788

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\ProgramData\NjsfJCyDXCw34unx\172773668.txt
Filesize
156B

MD5
b5089e0c5a3d5377e9bd19c0557ef04e

SHA1
9402e326be3d240e234c06892b15c24e93c93eb8

SHA256
d77789b2c49759c882f4fdd6f53e665b0d012f8f0949d0150eaba47fbf2a0eb5

SHA512
942349ccb99854f274ef1e20b623660588e15bd0d25bfc817fe9b2d010db656af340652e0e67b41edbf0cf259d55ab880d6b50acb1d7e8ab394f1393f7956c13

Download Submit
C:\ProgramData\NjsfJCyDXCw34unx\Files\Browsers\_FilePasswords.txt
Filesize
3B

MD5
ecaa88f7fa0bf610a5a26cf545dcd3aa

SHA1
57218c316b6921e2cd61027a2387edc31a2d9471

SHA256
f1945cd6c19e56b3c1c78943ef5ec18116907a4ca1efc40a57d48ab1db7adfc5

SHA512
37c783b80b1d458b89e712c2dfe2777050eff0aefc9f6d8beedee77807d9aeb2e27d14815cf4f0229b1d36c186bb5f2b5ef55e632b108cc41e9fb964c39b42a5

Download Submit
C:\ProgramData\NjsfJCyDXCw34unx\Files\_Info.txt
Filesize
8KB

MD5
379dc9145cd03431a6bdece43638dcf9

SHA1
815c0afe4c9138d4f7dd1eb2048a757fcb97019a

SHA256
edf5b0e3b43a55fbaf75e0b016fdcc1c64bea07e904c79ad29240367c377c382

SHA512
c6336b54707664be67e2f8617cc523fdbf686e9d5a42f78ff8e63970932f266868a4a3cfbbb820191e7309e1bfbbacc24ac464cc188d34126f0dce7cc17bc482

Download Submit
C:\ProgramData\NjsfJCyDXCw34unx\xNB1tKQ8mQKR4oMX.zip
Filesize
49KB

MD5
e9808f6c2a54ac42ca9f9a9818e04e8d

SHA1
4c531421188dcc5bf7432fd9fd25294473ec04e4

SHA256
0dcdb0c70561e2035c676b255272465577a40f7d65365edf1b3b1ff958b454c0

SHA512
6e65457461a6fd24d452e58d2aed377f92cd76d47ed517a7fae096b888ec38f27aa2a36006afb74030975bceb625f67139574d3f7b217ad010adeb6c63d1657d

Download Submit
memory/4788-270-0x0000000000EE0000-0x0000000001422000-memory.dmp

Filesize
5.3MB

Download
memory/4788-1-0x0000000076FA4000-0x0000000076FA6000-memory.dmp

Filesize
8KB

Download
memory/4788-2-0x0000000004CB0000-0x0000000004CB1000-memory.dmp

Filesize
4KB

Download
memory/4788-7-0x0000000000EE1000-0x0000000000F43000-memory.dmp

Filesize
392KB

Download
memory/4788-4-0x0000000004CD0000-0x0000000004CD1000-memory.dmp

Filesize
4KB

Download
memory/4788-51-0x0000000000EE0000-0x0000000001422000-memory.dmp

Filesize
5.3MB

Download
memory/4788-125-0x0000000000EE0000-0x0000000001422000-memory.dmp

Filesize
5.3MB

Download
memory/4788-128-0x0000000000EE0000-0x0000000001422000-memory.dmp

Filesize
5.3MB

Download
memory/4788-5-0x0000000004CE0000-0x0000000004CE1000-memory.dmp

Filesize
4KB

Download
memory/4788-6-0x0000000004C80000-0x0000000004C81000-memory.dmp

Filesize
4KB

Download
memory/4788-256-0x0000000000EE0000-0x0000000001422000-memory.dmp

Filesize
5.3MB

Download
memory/4788-268-0x0000000000EE0000-0x0000000001422000-memory.dmp

Filesize
5.3MB

Download
memory/4788-0-0x0000000000EE0000-0x0000000001422000-memory.dmp

Filesize
5.3MB

Download
memory/4788-272-0x0000000000EE0000-0x0000000001422000-memory.dmp

Filesize
5.3MB

Download
memory/4788-273-0x0000000000EE0000-0x0000000001422000-memory.dmp

Filesize
5.3MB

Download
memory/4788-3-0x0000000004CC0000-0x0000000004CC1000-memory.dmp

Filesize
4KB

Download
memory/4788-275-0x0000000000EE0000-0x0000000001422000-memory.dmp

Filesize
5.3MB

Download
memory/4788-278-0x0000000000EE0000-0x0000000001422000-memory.dmp

Filesize
5.3MB

Download
memory/4788-280-0x0000000000EE0000-0x0000000001422000-memory.dmp

Filesize
5.3MB

Download
memory/4788-283-0x0000000000EE0000-0x0000000001422000-memory.dmp

Filesize
5.3MB

Download
memory/4788-286-0x0000000000EE0000-0x0000000001422000-memory.dmp

Filesize
5.3MB

Download
memory/4788-289-0x0000000000EE0000-0x0000000001422000-memory.dmp

Filesize
5.3MB

Download
memory/4788-291-0x0000000000EE0000-0x0000000001422000-memory.dmp

Filesize
5.3MB

Download
memory/4788-294-0x0000000000EE0000-0x0000000001422000-memory.dmp

Filesize
5.3MB

Download
memory/4788-297-0x0000000000EE0000-0x0000000001422000-memory.dmp

Filesize
5.3MB

Download
memory/4788-300-0x0000000000EE0000-0x0000000001422000-memory.dmp

Filesize
5.3MB

Download
memory/4788-302-0x0000000000EE0000-0x0000000001422000-memory.dmp

Filesize
5.3MB

Download
memory/4788-305-0x0000000000EE0000-0x0000000001422000-memory.dmp

Filesize
5.3MB

Download
memory/4788-309-0x0000000000EE0000-0x0000000001422000-memory.dmp

Filesize
5.3MB

Download