cryptbot | 1be9978b094763907d1271a171e2dd61a90a574ea82295cdbb285f7e5c973a2b

General

Target
1312eeb60894fea848d0bf99e6861cd8.exe
Size 365KB
Sample211204-hm4cwsaeej
SHA256 1be9978b094763907d1271a171e2dd61a90a574ea82295cdbb285f7e5c973a2b
MD5 1312eeb60894fea848d0bf99e6861cd8
SHA1 65921fc12117ba264f114baab284454d5c4fd419
SHA512 6943aa1e49898334ef327dec78020676276cb7043c3c77290a4bbd72ffcdcb24c21a7dba80244d7395608bc60a4d4dd4a90eaf316ab947eb159f7330f65e2b0e
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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	1312eeb60894fea848d0bf99e6861cd8.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	1312eeb60894fea848d0bf99e6861cd8.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4376	timeout.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 4208	3576	1312eeb60894fea848d0bf99e6861cd8.exe	69
PID 3576 wrote to memory of 4208	3576	1312eeb60894fea848d0bf99e6861cd8.exe	69
PID 3576 wrote to memory of 4208	3576	1312eeb60894fea848d0bf99e6861cd8.exe	69
PID 4208 wrote to memory of 4376	4208	cmd.exe	71
PID 4208 wrote to memory of 4376	4208	cmd.exe	71
PID 4208 wrote to memory of 4376	4208	cmd.exe	71

C:\Users\Admin\AppData\Local\Temp\1312eeb60894fea848d0bf99e6861cd8.exe
"C:\Users\Admin\AppData\Local\Temp\1312eeb60894fea848d0bf99e6861cd8.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:3576
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\pCFAaqaBJmd & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\1312eeb60894fea848d0bf99e6861cd8.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4208
- - C:\Windows\SysWOW64\timeout.exe
    timeout 4
    3⤵
    - Delays execution with timeout.exe
    PID:4376

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/3576-120-0x0000000000400000-0x0000000000463000-memory.dmp

Download

memory/3576-119-0x0000000002190000-0x00000000021D7000-memory.dmp