cryptbot | 4d10776348522e720fd36f175f9f735039e4aa3ae9543886320cd75e45e77754

General

Target

JavvvUmar.exe
Size

6.3MB
MD5

2426fa19f0c2cc5de92d6ef43337c2d1
SHA1

97b742a006365ad06a8d0933da8d72c51cca8e63
SHA256

4d10776348522e720fd36f175f9f735039e4aa3ae9543886320cd75e45e77754
SHA512

e6dfea55d923c4fa9a6e2e1d9dfa63ec1a5a4b34ce652dbed7b1442f92e628a18d7734128c735757665e07ceb4ca1fff891bea816925177462181242c6075690
SSDEEP

49152:HEpLcqGtEt9N3TZJP4it6eBVwK1tN4VMFeh9wO8pavgzG25VJGS+0DA7k67laoxL:HEpNLsLwK8JxNDAAdIH1wrtF/5kL9Et+

Score

10^/10

cryptbot credential_access discovery spyware stealer

Malware Config

Extracted

Family

cryptbot

C2

sevtvf17pt.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

Executes dropped EXE 3 IoCs

pid	Process
2836	service123.exe
616	service123.exe
2256	service123.exe

Loads dropped DLL 5 IoCs

pid	Process
2796	JavvvUmar.exe
2796	JavvvUmar.exe
2836	service123.exe
616	service123.exe
2256	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 2 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JavvvUmar.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	JavvvUmar.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	JavvvUmar.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
2568	schtasks.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 2836	2796	JavvvUmar.exe	31
PID 2796 wrote to memory of 2836	2796	JavvvUmar.exe	31
PID 2796 wrote to memory of 2836	2796	JavvvUmar.exe	31
PID 2796 wrote to memory of 2836	2796	JavvvUmar.exe	31
PID 2796 wrote to memory of 2568	2796	JavvvUmar.exe	32
PID 2796 wrote to memory of 2568	2796	JavvvUmar.exe	32
PID 2796 wrote to memory of 2568	2796	JavvvUmar.exe	32
PID 2796 wrote to memory of 2568	2796	JavvvUmar.exe	32
PID 2388 wrote to memory of 616	2388	taskeng.exe	35
PID 2388 wrote to memory of 616	2388	taskeng.exe	35
PID 2388 wrote to memory of 616	2388	taskeng.exe	35
PID 2388 wrote to memory of 616	2388	taskeng.exe	35
PID 2388 wrote to memory of 2256	2388	taskeng.exe	37
PID 2388 wrote to memory of 2256	2388	taskeng.exe	37
PID 2388 wrote to memory of 2256	2388	taskeng.exe	37
PID 2388 wrote to memory of 2256	2388	taskeng.exe	37

C:\Users\Admin\AppData\Local\Temp\JavvvUmar.exe
"C:\Users\Admin\AppData\Local\Temp\JavvvUmar.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  "C:\Users\Admin\AppData\Local\Temp\service123.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2836
- 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
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2568

C:\Windows\system32\taskeng.exe
taskeng.exe {94504D15-D564-4EE8-A16A-71FE8619778C} S-1-5-21-1846800975-3917212583-2893086201-1000:ZQABOPWE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:616
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:2256

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/616-25-0x0000000000F20000-0x0000000000F31000-memory.dmp

Filesize
68KB

Download
memory/2256-40-0x0000000000F20000-0x0000000000F31000-memory.dmp

Filesize
68KB

Download
memory/2796-0-0x0000000000400000-0x0000000001064000-memory.dmp

Filesize
12.4MB

Download
memory/2796-1-0x0000000000400000-0x0000000001064000-memory.dmp

Filesize
12.4MB

Download
memory/2796-13-0x0000000000400000-0x0000000001064000-memory.dmp

Filesize
12.4MB

Download
memory/2836-16-0x0000000000F20000-0x0000000000F31000-memory.dmp

Filesize
68KB

Download
memory/2836-17-0x0000000074A10000-0x0000000074B4C000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads