cryptbot | 16930620b3b9166e0ffbd98f5d5b580c9919fd6ccdcc74fb996f53577f508267

max time kernel
145s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 11:17

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General

Target
New Text Document mod.exe
Size 8KB
Sample240907-ndvx2s1gra
SHA256 2e2e035ece4accdee838ecaacdc263fa526939597954d18d1320d73c8bf810c2
MD5 69994ff2f00eeca9335ccd502198e05b
SHA1 b13a15a5bea65b711b835ce8eccd2a699a99cead
SHA512 ced53147894ed2dfc980bcb50767d9734ba8021f85842a53bb4bb4c502d51b4e9884f5f74c4dd2b70b53cafbe2441376675f7bd0f19bb20a3becb091a34fb9f3
SSDEEP 96:y7ov9wc1dN1Unh3EHJ40CUJCrQt0LpCBIW12nEtgpH9GIkQYQoBNw9fnmK5iLjTv:yZyTFJfCB20LsBIW12n/eIkQ2BNg5S1
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

cryptbot credential_access discovery spyware stealer

Malware Config

Extracted

Family

cryptbot

tventyv20sb.top
analforeverlovyu.top

Attributes

url_path
/v1/upload.php

Signatures

CryptBot
CryptBot is a C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Downloads MZ/PE file

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	New Text Document mod.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	Channel4.exe

Executes dropped EXE 4 IoCs

pid	Process
4360	Channel4.exe
5044	service123.exe
4984	service123.exe
408	service123.exe

Loads dropped DLL 3 IoCs

pid	Process
5044	service123.exe
4984	service123.exe
408	service123.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
T1552.001
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).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	service123.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Channel4.exe

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	Channel4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Channel4.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
1620	schtasks.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5080	New Text Document mod.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5080 wrote to memory of 4360	5080	New Text Document mod.exe	95
PID 5080 wrote to memory of 4360	5080	New Text Document mod.exe	95
PID 5080 wrote to memory of 4360	5080	New Text Document mod.exe	95
PID 4360 wrote to memory of 5044	4360	Channel4.exe	97
PID 4360 wrote to memory of 5044	4360	Channel4.exe	97
PID 4360 wrote to memory of 5044	4360	Channel4.exe	97
PID 4360 wrote to memory of 1620	4360	Channel4.exe	98
PID 4360 wrote to memory of 1620	4360	Channel4.exe	98
PID 4360 wrote to memory of 1620	4360	Channel4.exe	98

C:\Users\Admin\AppData\Local\Temp\New Text Document mod.exe
"C:\Users\Admin\AppData\Local\Temp\New Text Document mod.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5080
- C:\Users\Admin\AppData\Local\Temp\a\Channel4.exe
  "C:\Users\Admin\AppData\Local\Temp\a\Channel4.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious use of WriteProcessMemory
  PID:4360
- - C:\Users\Admin\AppData\Local\Temp\service123.exe
    "C:\Users\Admin\AppData\Local\Temp\service123.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:5044
- - C:\Windows\SysWOW64\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /tn "ServiceData4" /tr "C:\Users\Admin\AppData\Local\Temp\/service123.exe" /st 00:01 /du 9800:59 /sc once /ri 1 /f
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1620

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4984

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:408

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

Channel4.exe

Path C:\Users\Admin\AppData\Local\Temp\a\Channel4.exe
Size 6.4MB
SHA256 da7fadc671804e093c7dcad3455a266e77d2c84b641ae037c70004daaa05b897
MD5 12bba7bf40ba77b0ab322d8626dab9aa
SHA1 c3b6fab7181e78a09b8c348a0e27fec92764a21f
SHA512 71e164b56980206e81e49cf915d5f7a62767c04fa9dc8ffa1030e3ded81ce162f3045a9376841a70533b540e7d0391419ca72862191ed2a6fa20ac3349a54ce9
SSDEEP 98304:vCK4J61rk3tHQixuo3qC6jq1laXsf8TjnxQO3flzHq97H4a:qLQ+734jzcunxQYfhHK7H4a
MD5 SHA1 SHA512 SSDEEP

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memory/408-53-0x00000000005F0000-0x0000000000601000-memory.dmp

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memory/4360-13-0x0000000000400000-0x0000000001070000-memory.dmp

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memory/4360-26-0x0000000000400000-0x0000000001070000-memory.dmp

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memory/4360-14-0x0000000000400000-0x0000000001070000-memory.dmp

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memory/4984-38-0x00000000005F0000-0x0000000000601000-memory.dmp

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memory/5044-28-0x00000000005F0000-0x0000000000601000-memory.dmp

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memory/5044-29-0x0000000074F80000-0x00000000750BC000-memory.dmp

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memory/5080-4-0x00007FFC51220000-0x00007FFC51CE1000-memory.dmp

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memory/5080-3-0x00007FFC51223000-0x00007FFC51225000-memory.dmp

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memory/5080-0-0x00007FFC51223000-0x00007FFC51225000-memory.dmp

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memory/5080-2-0x00007FFC51220000-0x00007FFC51CE1000-memory.dmp

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memory/5080-1-0x00000000009E0000-0x00000000009E8000-memory.dmp

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Resubmissions

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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