cryptbot | ecb34d9625c29a3ecd268c269bd82c4cb616b1aeb9794599065db4c8cda77dfb

General

Target
b827661464b7e8e47315262b04a8a72d.exe
Size 392KB
Sample211206-c359jadbhj
SHA256 ecb34d9625c29a3ecd268c269bd82c4cb616b1aeb9794599065db4c8cda77dfb
MD5 b827661464b7e8e47315262b04a8a72d
SHA1 e62a297dd08cffa7b61e58ea983fbd92e1638547
SHA512 392fb802b7ccb5e03eba9ae44d9a2224110c4b84030b4502065e56b49e32f11d6b96c725817ac2011ce63166b0c617934622d7c2b7d31c48756e2503494e8099
MD5 SHA1 SHA512

Score

10^/10

cryptbot discovery spyware stealer

Malware Config

Signatures

CryptBot
A C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	b827661464b7e8e47315262b04a8a72d.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	b827661464b7e8e47315262b04a8a72d.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
592	timeout.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 3932	1548	b827661464b7e8e47315262b04a8a72d.exe	69
PID 1548 wrote to memory of 3932	1548	b827661464b7e8e47315262b04a8a72d.exe	69
PID 1548 wrote to memory of 3932	1548	b827661464b7e8e47315262b04a8a72d.exe	69
PID 3932 wrote to memory of 592	3932	cmd.exe	71
PID 3932 wrote to memory of 592	3932	cmd.exe	71
PID 3932 wrote to memory of 592	3932	cmd.exe	71

C:\Users\Admin\AppData\Local\Temp\b827661464b7e8e47315262b04a8a72d.exe
"C:\Users\Admin\AppData\Local\Temp\b827661464b7e8e47315262b04a8a72d.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\cMCkiknaoB & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\b827661464b7e8e47315262b04a8a72d.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3932
- - C:\Windows\SysWOW64\timeout.exe
    timeout 4
    3⤵
    - Delays execution with timeout.exe
    PID:592

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1548-115-0x0000000000769000-0x000000000078F000-memory.dmp

Download

memory/1548-117-0x0000000000400000-0x0000000000469000-memory.dmp

Download

memory/1548-116-0x00000000021F0000-0x0000000002237000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads