cryptbot | 69a93a6b118d054dc218b8eebaa6b8898adbddc47d46a4b6286a0fbbbd8c2221

Analysis

max time kernel
60s
max time network
49s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
12/01/2023, 13:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

File-Software.exe
Size

325.6MB
MD5

6d1f1671090e893ce086312b07ebee3c
SHA1

cf5a5ecee6926479c5746d69581aa638871fbfad
SHA256

5b0e89fa475da638b2af60f36fc48e899db8c8b724d06fb67e4219a8ac3cd274
SHA512

dda620583625f041d1c768a7db7056af0633f0dfa31265a53e16624e4549f42c47ccd4effbac0de6553136cf3f47cd77696583a2daf9c476c816ba8f5f43a4fc
SSDEEP

49152:MULYDF3u3gv73aga4vdDsbx0vl6QO9QK67UMt/0Nu6pGBIbJn/yyD3I8gA7sNa8h:36jUxwy44/Dv4/KkcXv69PvQP

Score

10^/10

cryptbot discovery spyware stealer

Malware Config

Extracted

Family

cryptbot

http://avoguc410.top/gate.php

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
1744	mchost.exe

Deletes itself 1 IoCs

pid	Process
1876	cmd.exe

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

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	File-Software.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	File-Software.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 3 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	File-Software.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	File-Software.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	File-Software.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task

T1053

pid	Process
1296	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1164	timeout.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1016	File-Software.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 1756	1016	File-Software.exe	28
PID 1016 wrote to memory of 1756	1016	File-Software.exe	28
PID 1016 wrote to memory of 1756	1016	File-Software.exe	28
PID 1016 wrote to memory of 1756	1016	File-Software.exe	28
PID 1756 wrote to memory of 1296	1756	cmd.exe	30
PID 1756 wrote to memory of 1296	1756	cmd.exe	30
PID 1756 wrote to memory of 1296	1756	cmd.exe	30
PID 1756 wrote to memory of 1296	1756	cmd.exe	30
PID 1016 wrote to memory of 1876	1016	File-Software.exe	32
PID 1016 wrote to memory of 1876	1016	File-Software.exe	32
PID 1016 wrote to memory of 1876	1016	File-Software.exe	32
PID 1016 wrote to memory of 1876	1016	File-Software.exe	32
PID 1876 wrote to memory of 1164	1876	cmd.exe	34
PID 1876 wrote to memory of 1164	1876	cmd.exe	34
PID 1876 wrote to memory of 1164	1876	cmd.exe	34
PID 1876 wrote to memory of 1164	1876	cmd.exe	34
PID 684 wrote to memory of 1744	684	taskeng.exe	36
PID 684 wrote to memory of 1744	684	taskeng.exe	36
PID 684 wrote to memory of 1744	684	taskeng.exe	36
PID 684 wrote to memory of 1744	684	taskeng.exe	36

C:\Users\Admin\AppData\Local\Temp\File-Software.exe
"C:\Users\Admin\AppData\Local\Temp\File-Software.exe"
1⤵
- Maps connected drives based on registry
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Windows\SysWOW64\cmd.exe
  /C schtasks /create /tn \Mozilla\kcvjkg /tr """"C:\Users\Admin\AppData\Roaming\pjwkesacls\mchost.exe""" """C:\Users\Admin\AppData\Roaming\pjwkesacls\mchost.chm"""" /st 00:10 /du 9700:20 /sc once /ri 1 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1756
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /tn \Mozilla\kcvjkg /tr """"C:\Users\Admin\AppData\Roaming\pjwkesacls\mchost.exe""" """C:\Users\Admin\AppData\Roaming\pjwkesacls\mchost.chm"""" /st 00:10 /du 9700:20 /sc once /ri 1 /f
    3⤵
    - Creates scheduled task(s)
    PID:1296
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\File-Software.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1876
- - C:\Windows\SysWOW64\timeout.exe
    timeout -t 5
    3⤵
    - Delays execution with timeout.exe
    PID:1164

C:\Windows\system32\taskeng.exe
taskeng.exe {05A0DFB7-306B-4D8D-9E4E-42077B685C92} S-1-5-21-3845472200-3839195424-595303356-1000:ZERMMMDR\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:684
- C:\Users\Admin\AppData\Roaming\pjwkesacls\mchost.exe
  C:\Users\Admin\AppData\Roaming\pjwkesacls\mchost.exe "C:\Users\Admin\AppData\Roaming\pjwkesacls\mchost.chm"
  2⤵
  - Executes dropped EXE
  PID:1744

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\pjwkesacls\mchost.chm

Filesize
172KB

MD5
96907358470716ecd839c83cbd2bd71c

SHA1
0e68ba16a07d9bb258e871360602ac86cf807e9a

SHA256
bf431dfaf39b3daa481b16a9593993d3a05e08564bf3b0fbca183d3e6c7ffd86

SHA512
cbecc8ad928b2c9ff9d7b121610712f7bc4d9f01b1b14e4f198329ba2a14108196a7c5b6bda70a9939583543f3bffda31a9842d1dccf7f26491fa7226846eeb1

Download Submit
C:\Users\Admin\AppData\Roaming\pjwkesacls\mchost.exe

Filesize
872KB

MD5
c56b5f0201a3b3de53e561fe76912bfd

SHA1
2a4062e10a5de813f5688221dbeb3f3ff33eb417

SHA256
237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

SHA512
195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

Download Submit
C:\Users\Admin\AppData\Roaming\pjwkesacls\mchost.exe

Filesize
872KB

MD5
c56b5f0201a3b3de53e561fe76912bfd

SHA1
2a4062e10a5de813f5688221dbeb3f3ff33eb417

SHA256
237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

SHA512
195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

Download Submit
memory/1016-55-0x00000000756B1000-0x00000000756B3000-memory.dmp

Filesize
8KB

Download
memory/1016-57-0x0000000000360000-0x000000000042D000-memory.dmp

Filesize
820KB

Download
memory/1016-59-0x0000000000360000-0x000000000042D000-memory.dmp

Filesize
820KB

Download