cryptbot | 32e6aeda569edacaf5dea7f815c7e22e32ba8b7992bb787b68149cf0b06d273c

General

Target
cabf8671cc9bf2085707ad603d1c3312.exe
Size 725KB
Sample210528-e9cv6ng5wa
SHA256 32e6aeda569edacaf5dea7f815c7e22e32ba8b7992bb787b68149cf0b06d273c
MD5 cabf8671cc9bf2085707ad603d1c3312
SHA1 ad7231649ef55e5222b1aff96e30adbe8ad70b5c
SHA512 840636c5a89438eafb4211361ed88d71b25330f0e195a07c8a7744b2404af932c7e4f0e8f9e8051ceeb4214faedf1acb20cb424b066f199230618724f68b0acf
MD5 SHA1 SHA512

Score

10^/10

cryptbot discovery spyware stealer

Malware Config

Extracted

Family

cryptbot

C2

geofrz52.top
morvmz05.top

Attributes

payload_url
http://rogkpf07.top/download.php?file=lv.exe

Signatures

CryptBot
A C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot

CryptBot Payload 2 IoCs

resource	yara_rule
behavioral2/memory/804-114-0x00000000022C0000-0x00000000023A1000-memory.dmp	family_cryptbot
behavioral2/memory/804-115-0x0000000000400000-0x00000000004E5000-memory.dmp	family_cryptbot

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	cabf8671cc9bf2085707ad603d1c3312.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	cabf8671cc9bf2085707ad603d1c3312.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1328	timeout.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
804	cabf8671cc9bf2085707ad603d1c3312.exe
804	cabf8671cc9bf2085707ad603d1c3312.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 804 wrote to memory of 1216	804	cabf8671cc9bf2085707ad603d1c3312.exe	78
PID 804 wrote to memory of 1216	804	cabf8671cc9bf2085707ad603d1c3312.exe	78
PID 804 wrote to memory of 1216	804	cabf8671cc9bf2085707ad603d1c3312.exe	78
PID 1216 wrote to memory of 1328	1216	cmd.exe	80
PID 1216 wrote to memory of 1328	1216	cmd.exe	80
PID 1216 wrote to memory of 1328	1216	cmd.exe	80

C:\Users\Admin\AppData\Local\Temp\cabf8671cc9bf2085707ad603d1c3312.exe
"C:\Users\Admin\AppData\Local\Temp\cabf8671cc9bf2085707ad603d1c3312.exe"
1⤵
- Checks processor information in registry
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:804
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\rLRlMpuDoQYfA & timeout 3 & del /f /q "C:\Users\Admin\AppData\Local\Temp\cabf8671cc9bf2085707ad603d1c3312.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1216
- - C:\Windows\SysWOW64\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:1328

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/804-114-0x00000000022C0000-0x00000000023A1000-memory.dmp

Download

memory/804-115-0x0000000000400000-0x00000000004E5000-memory.dmp