cryptbot | 35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8

Analysis

max time kernel
146s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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

10^/10

cryptbot discovery evasion spyware stealer

Malware Config

Extracted

Family

cryptbot

Signatures

CryptBot
CryptBot is a C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot
Cryptbot family
cryptbot

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

Executes dropped EXE 2 IoCs

pid	Process
2416	VC_redist.x64.exe
7576	VC_redist.x86.exe

Loads dropped DLL 5 IoCs

pid	Process
2176	35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe
2176	35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe
2176	35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe
2176	35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe
2176	35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.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
behavioral1/files/0x0008000000015d7f-2620.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 5 IoCs

pid	Process
7576	VC_redist.x86.exe
7576	VC_redist.x86.exe
7576	VC_redist.x86.exe
7576	VC_redist.x86.exe
7576	VC_redist.x86.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 2416	2176	35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe	30
PID 2176 wrote to memory of 2416	2176	35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe	30
PID 2176 wrote to memory of 2416	2176	35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe	30
PID 2176 wrote to memory of 2416	2176	35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe	30
PID 2176 wrote to memory of 7576	2176	35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe	33
PID 2176 wrote to memory of 7576	2176	35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe	33
PID 2176 wrote to memory of 7576	2176	35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe	33
PID 2176 wrote to memory of 7576	2176	35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe	33

C:\Users\Admin\AppData\Local\Temp\35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe
"C:\Users\Admin\AppData\Local\Temp\35c5a257003e97599dd1b1bc6936ccfb7d57235903aeecfb3ee9d7abe5fee3c8.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2176
- 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:2416
- 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:7576

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

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

Filesize
628KB

MD5
51c3f33163cb118d7cd1506648d8ea69

SHA1
2f37ac854cea300577e6de102e1c699a87f2178d

SHA256
92a5600741e66bba6153e2b536781416080e5338d703c2de8deb13ee4788dad8

SHA512
4816cd986a5f423ebdabb11230437f12394433e69c0bda9e99a0028fcf04ff68db10941ffcca7a6db24e850f3f55b0e81c4df9edc2ba31d204d5925c8a636a3f

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

Filesize
7.7MB

MD5
f6b28de198800179a0cedaf80a94d2bf

SHA1
d4ebd56bf9f0d09763b0dc7d5744833ba0a07af3

SHA256
a93027840829eabd77e96b893e7afdabf832702fb9e95b056a45809e448fec2f

SHA512
1c8cb16058d19a4fdd323e5736a55e1aa8d41b3cd6af0012c764b67dcb9af2a2527ec9b8a08cefc2749cba93e6ffd7bc967497b431e02dc3ba822e42e2fd929a

Download Submit
memory/2416-43-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-53-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-13-0x000007FEF5B40000-0x000007FEF652C000-memory.dmp

Filesize
9.9MB

Download
memory/2416-19-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-77-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-75-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-73-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-69-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-67-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-65-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-63-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-59-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-57-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-55-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-41-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-49-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-47-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-45-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-12-0x000000001BF20000-0x000000001C018000-memory.dmp

Filesize
992KB

Download
memory/2416-11-0x00000000012C0000-0x0000000001362000-memory.dmp

Filesize
648KB

Download
memory/2416-29-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-37-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-35-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-33-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-31-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-39-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-27-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-25-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-23-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-2617-0x0000000000820000-0x000000000086C000-memory.dmp

Filesize
304KB

Download
memory/2416-2616-0x0000000000650000-0x00000000006A6000-memory.dmp

Filesize
344KB

Download
memory/2416-21-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-71-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-17-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-61-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-52-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-15-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-14-0x000000001BF20000-0x000000001C014000-memory.dmp

Filesize
976KB

Download
memory/2416-2618-0x000007FEF5B40000-0x000007FEF652C000-memory.dmp

Filesize
9.9MB

Download
memory/2416-10-0x000007FEF5B43000-0x000007FEF5B44000-memory.dmp

Filesize
4KB

Download