cryptbot | 798d79739b14a81a4a885b9da999d558d9bbd746d11c4774c6286c468b9136ec

General

Target

798d79739b14a81a4a885b9da999d558d9bbd746d11c4774c6286c468b9136ec.exe
Size

1.8MB
MD5

c54dd38ad93debf5e88733334754ad9d
SHA1

4c0831407939f3c86b65ca3995262acdbe15f24b
SHA256

798d79739b14a81a4a885b9da999d558d9bbd746d11c4774c6286c468b9136ec
SHA512

fdf13db5737d57d7fcd7fb6fb1db46bee924cb16d701304c4a7169a8c6be7d91e3936a95914076bfa5374338853005d999877a754f16917cf295981695e88089
SSDEEP

24576:wBkVdlYA/HualkUuCoT9p1WFO54xMfYavo7NEYcqzNwhnK1e:Qsv/uaOwef1Ww4xAvdYcqe0w

Score

10^/10

cryptbot lumma discovery spyware stealer

Malware Config

Extracted

Family

lumma

Extracted

Family

cryptbot

C2

eihtvf18vt.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
Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma

Executes dropped EXE 3 IoCs

pid	Process
2336	VC_redist.x64.exe
2664	service123.exe
1600	service123.exe

Loads dropped DLL 8 IoCs

pid	Process
1296	798d79739b14a81a4a885b9da999d558d9bbd746d11c4774c6286c468b9136ec.exe
1296	798d79739b14a81a4a885b9da999d558d9bbd746d11c4774c6286c468b9136ec.exe
1296	798d79739b14a81a4a885b9da999d558d9bbd746d11c4774c6286c468b9136ec.exe
1296	798d79739b14a81a4a885b9da999d558d9bbd746d11c4774c6286c468b9136ec.exe
2336	VC_redist.x64.exe
2336	VC_redist.x64.exe
2664	service123.exe
1600	service123.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003
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	798d79739b14a81a4a885b9da999d558d9bbd746d11c4774c6286c468b9136ec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VC_redist.x64.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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	VC_redist.x64.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	VC_redist.x64.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
2652	schtasks.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1296 wrote to memory of 2336	1296	798d79739b14a81a4a885b9da999d558d9bbd746d11c4774c6286c468b9136ec.exe	30
PID 1296 wrote to memory of 2336	1296	798d79739b14a81a4a885b9da999d558d9bbd746d11c4774c6286c468b9136ec.exe	30
PID 1296 wrote to memory of 2336	1296	798d79739b14a81a4a885b9da999d558d9bbd746d11c4774c6286c468b9136ec.exe	30
PID 1296 wrote to memory of 2336	1296	798d79739b14a81a4a885b9da999d558d9bbd746d11c4774c6286c468b9136ec.exe	30
PID 2336 wrote to memory of 2664	2336	VC_redist.x64.exe	32
PID 2336 wrote to memory of 2664	2336	VC_redist.x64.exe	32
PID 2336 wrote to memory of 2664	2336	VC_redist.x64.exe	32
PID 2336 wrote to memory of 2664	2336	VC_redist.x64.exe	32
PID 2336 wrote to memory of 2652	2336	VC_redist.x64.exe	33
PID 2336 wrote to memory of 2652	2336	VC_redist.x64.exe	33
PID 2336 wrote to memory of 2652	2336	VC_redist.x64.exe	33
PID 2336 wrote to memory of 2652	2336	VC_redist.x64.exe	33
PID 1828 wrote to memory of 1600	1828	taskeng.exe	36
PID 1828 wrote to memory of 1600	1828	taskeng.exe	36
PID 1828 wrote to memory of 1600	1828	taskeng.exe	36
PID 1828 wrote to memory of 1600	1828	taskeng.exe	36

C:\Users\Admin\AppData\Local\Temp\798d79739b14a81a4a885b9da999d558d9bbd746d11c4774c6286c468b9136ec.exe
"C:\Users\Admin\AppData\Local\Temp\798d79739b14a81a4a885b9da999d558d9bbd746d11c4774c6286c468b9136ec.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1296
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious use of WriteProcessMemory
  PID:2336
- - C:\Users\Admin\AppData\Local\Temp\service123.exe
    "C:\Users\Admin\AppData\Local\Temp\service123.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2664
- - 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:2652

C:\Windows\system32\taskeng.exe
taskeng.exe {B05823D5-2414-42D3-AFC7-B18A0CA6EF59} S-1-5-21-3434294380-2554721341-1919518612-1000:ELZYPTFV\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1828
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  C:\Users\Admin\AppData\Local\Temp\/service123.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:1600

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

\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe

Filesize
6.4MB

MD5
e0f961a0645e07efae6aa9d7835d70be

SHA1
3e4e5c3e9770f1bf3cf2a49695d4e707e43a0336

SHA256
f601b36824f7e81556cd468366914c010c2ab70fc038ab9a6790d4ba94dd22d3

SHA512
652f1c4081c6172dd653286e71fcc153df7b796e4a0beb56df1cb791ff9e65f37cdd15891e85ca0f9799ef76cb4a33764478d7b8a8dfcf7df4bbe321cfaa37ef

Download Submit
memory/1600-46-0x0000000000E50000-0x0000000000E61000-memory.dmp

Filesize
68KB

Download
memory/2336-16-0x0000000000400000-0x0000000001064000-memory.dmp

Filesize
12.4MB

Download
memory/2336-17-0x0000000000400000-0x0000000001064000-memory.dmp

Filesize
12.4MB

Download
memory/2336-31-0x0000000000400000-0x0000000001064000-memory.dmp

Filesize
12.4MB

Download
memory/2664-33-0x0000000000E50000-0x0000000000E61000-memory.dmp

Filesize
68KB

Download
memory/2664-34-0x0000000074C50000-0x0000000074D7C000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads