cryptbot | 74723b8f53fca55f5e0b5755465a69d78960131ec9dd49445b8bde4354d0c94d

Analysis

max time kernel
144s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
24-06-2024 09:09

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General

Target

setup.exe
Size

2.1MB
MD5

3657f6fadee899005c6556c07a890bba
SHA1

bb532f5420c5baacb7b19f508ec29440135c3c74
SHA256

0ab71f45b1e9c6f5eba7ce76b31285a18e7a2851870e551b6aa3dbd8cd756aae
SHA512

3158f42fc30ee5425a252dd976c0d3634b1df124cf364c5790071677e33082343be4f117f05c8cc725cfd566f87229c4d2fdd235849b1b34b13d9a7285324068
SSDEEP

49152:/GxbKmg8Yvmx2jy1u9HWS8XCtMgdm4CnP22FbN7fwqGV7RkV:edKnmxujcStMkmxbFbN7w7C

Score

10^/10

cryptbot discovery evasion spyware stealer

Malware Config

Extracted

Family

cryptbot

verf04.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-1-5-21-3627615824-4061627003-3019543961-1000\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

1752 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-1-5-21-3627615824-4061627003-3019543961-1000\Software\Wine	setup.exe

flow	ioc
3	ip-api.com

pid	process
1752	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

1752 setup.exe
Suspicious use of FindShellTrayWindow 12 IoCs

Processes:

setup.exe

pid process

1752 setup.exe
1752 setup.exe
1752 setup.exe
1752 setup.exe
1752 setup.exe
1752 setup.exe
1752 setup.exe
1752 setup.exe
1752 setup.exe
1752 setup.exe
1752 setup.exe
1752 setup.exe

pid	process
1752	setup.exe

pid	process
1752	setup.exe
1752	setup.exe
1752	setup.exe
1752	setup.exe
1752	setup.exe
1752	setup.exe
1752	setup.exe
1752	setup.exe
1752	setup.exe
1752	setup.exe
1752	setup.exe
1752	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:1752

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

C:\ProgramData\xsuK5F1kVgfDk\172773668.txt
Filesize
156B

MD5
c12be1e7b6541de7746a7e6f7c722027

SHA1
c637002a9c8aa73dc4dbccc2908aef8ea15819cc

SHA256
0f974cdba262cc57a0a57aac5fc2ab5516ff2dd953247cf817690425dca401fd

SHA512
f7472f853b360639007a307ab6db31ba4287c117bbacc2c0081904e47afdca6f4c236dab438bb387740166cc5bacc184a0752b69d0d7cea92315bac9b5dbd5c5

Download Submit
C:\ProgramData\xsuK5F1kVgfDk\Files\Browsers\_FilePasswords.txt
Filesize
3B

MD5
ecaa88f7fa0bf610a5a26cf545dcd3aa

SHA1
57218c316b6921e2cd61027a2387edc31a2d9471

SHA256
f1945cd6c19e56b3c1c78943ef5ec18116907a4ca1efc40a57d48ab1db7adfc5

SHA512
37c783b80b1d458b89e712c2dfe2777050eff0aefc9f6d8beedee77807d9aeb2e27d14815cf4f0229b1d36c186bb5f2b5ef55e632b108cc41e9fb964c39b42a5

Download Submit
C:\ProgramData\xsuK5F1kVgfDk\Files\_Info.txt
Filesize
1KB

MD5
535b78d6428b7496411300f8f64518d2

SHA1
c5f328014e993ea65cfee22c904328f3ccad6654

SHA256
c0d9fd09628e1b418ea2cfa2cee293ad72f290fec8a2d852ac5f385cf3e3d503

SHA512
bf511f81210eeb5404e6990a92fae62b50ac6e45bd6862da20fe6e1ad4ececd5b356579566214ece28ea398ffaa4b45e7c7c0e08e084a1845e5b3dd71b1826d5

Download Submit
C:\ProgramData\xsuK5F1kVgfDk\hFTTnwfjFmfw.zip
Filesize
924KB

MD5
e91d00fc8909f27dd0c91102746840f4

SHA1
49b79ed17c1845b861f7a9204fbe867a4f2b7099

SHA256
da3e4d4edf28f591645bb550ef1e2f76035ad6dc87d2831996810d37b34de7d0

SHA512
96f447396ab55b55dc34e4c50f52b43aa90d05b0f94409c8d28fa6d028d936fb8f1a86a0ac56fb3a19a5bc82ac2929c66324ea9e542c8c387160d94884c98f39

Download Submit
memory/1752-118-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download
memory/1752-122-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download
memory/1752-2-0x0000000002AD0000-0x0000000002AD1000-memory.dmp

Filesize
4KB

Download
memory/1752-7-0x0000000000FF1000-0x0000000001053000-memory.dmp

Filesize
392KB

Download
memory/1752-72-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download
memory/1752-78-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download
memory/1752-77-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download
memory/1752-5-0x0000000002DA0000-0x0000000002DA1000-memory.dmp

Filesize
4KB

Download
memory/1752-81-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download
memory/1752-3-0x0000000002B20000-0x0000000002B21000-memory.dmp

Filesize
4KB

Download
memory/1752-103-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download
memory/1752-4-0x0000000002DB0000-0x0000000002DB1000-memory.dmp

Filesize
4KB

Download
memory/1752-0-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download
memory/1752-119-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download
memory/1752-121-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download
memory/1752-6-0x0000000000F80000-0x0000000000F81000-memory.dmp

Filesize
4KB

Download
memory/1752-123-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download
memory/1752-1-0x0000000077260000-0x0000000077262000-memory.dmp

Filesize
8KB

Download
memory/1752-125-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download
memory/1752-127-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download
memory/1752-129-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download
memory/1752-131-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download
memory/1752-133-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download
memory/1752-135-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download
memory/1752-138-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download
memory/1752-140-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download
memory/1752-142-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download
memory/1752-144-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download
memory/1752-147-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download
memory/1752-149-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download
memory/1752-151-0x0000000000FF0000-0x0000000001510000-memory.dmp

Filesize
5.1MB

Download