cryptbot | 82a634123b202b7960b6cc3b52125352a2006e40cc2ccf3d62c1519191981e71

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-en-20211104
submitted
05-12-2021 10:54

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General

Target

fc0701924aed7be6e65f20c16d222ef6.exe
Size

392KB
MD5

fc0701924aed7be6e65f20c16d222ef6
SHA1

c04d8dee265d5ed32f30f9bf466b6d2676dae4eb
SHA256

82a634123b202b7960b6cc3b52125352a2006e40cc2ccf3d62c1519191981e71
SHA512

eea30d68123f94587d324a58a31f51bba985bd2750607a8615f370cd2c79b73ace4ea7ec00a3e6a009118064169859f150cf5e489d587454cbaa2b0f42234aee

Score

10^/10

cryptbot spyware stealer

Malware Config

Extracted

Family

cryptbot

unic12m.top

unic12e.top

Signatures

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

Deletes itself 1 IoCs

Processes:

cmd.exe

pid	Process
860	cmd.exe

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

Processes:

fc0701924aed7be6e65f20c16d222ef6.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	fc0701924aed7be6e65f20c16d222ef6.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	fc0701924aed7be6e65f20c16d222ef6.exe

Delays execution with timeout.exe 1 IoCs

evasion

Processes:

timeout.exe

pid	Process
1472	timeout.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

fc0701924aed7be6e65f20c16d222ef6.execmd.exe

description	pid	Process	procid_target
PID 1520 wrote to memory of 860	1520	fc0701924aed7be6e65f20c16d222ef6.exe	28
PID 1520 wrote to memory of 860	1520	fc0701924aed7be6e65f20c16d222ef6.exe	28
PID 1520 wrote to memory of 860	1520	fc0701924aed7be6e65f20c16d222ef6.exe	28
PID 1520 wrote to memory of 860	1520	fc0701924aed7be6e65f20c16d222ef6.exe	28
PID 860 wrote to memory of 1472	860	cmd.exe	30
PID 860 wrote to memory of 1472	860	cmd.exe	30
PID 860 wrote to memory of 1472	860	cmd.exe	30
PID 860 wrote to memory of 1472	860	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\fc0701924aed7be6e65f20c16d222ef6.exe
"C:\Users\Admin\AppData\Local\Temp\fc0701924aed7be6e65f20c16d222ef6.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1520
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\XVAVplSkZOC & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\fc0701924aed7be6e65f20c16d222ef6.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:860
- - C:\Windows\SysWOW64\timeout.exe
    timeout 4
    3⤵
    - Delays execution with timeout.exe
    PID:1472

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/860-59-0x0000000000000000-mapping.dmp

Download
memory/1472-60-0x0000000000000000-mapping.dmp

Download
memory/1520-55-0x000000000024B000-0x0000000000271000-memory.dmp

Filesize
152KB

Download
memory/1520-56-0x0000000076A21000-0x0000000076A23000-memory.dmp

Filesize
8KB

Download
memory/1520-57-0x00000000003B0000-0x00000000003F7000-memory.dmp

Filesize
284KB

Download
memory/1520-58-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download