cryptbot | ffd998746e12ce104bfc905c9e37dd671b866717db084a7c0b4d1d6d8607ae52

General

Target
1.exe
Size 6.4MB
Sample240921-1c4j1svdrd
SHA256 ffd998746e12ce104bfc905c9e37dd671b866717db084a7c0b4d1d6d8607ae52
MD5 b3c3b4845dd169c8bb97618de84330fc
SHA1 dbefee586896d7d55f2d3ac7604cfce81ccd3241
SHA512 71bce3581509f05c399008c1c6ad9043979e00cc887d2d95d08dd9be1ccda1157010e40125c30bb2eb8534fb0715b4e41d067d9f876701429061934ae727e3e8
SSDEEP 98304:h7qZFjqYNpHzDx9pSHX07zOaIMVGkR81g30NRaM3:IZ4YbvRSHXi81GbM3
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

cryptbot credential_access discovery spyware stealer

Malware Config

Extracted

Family

cryptbot

C2

tventyvf20pt.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

Checks computer location settings 2 TTPs 1 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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	1.exe

Executes dropped EXE 3 IoCs

pid	Process
4728	service123.exe
4908	service123.exe
4176	service123.exe

Loads dropped DLL 3 IoCs

pid	Process
4728	service123.exe
4908	service123.exe
4176	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	1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	service123.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	1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	1.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
2848	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
740	1.exe
740	1.exe
740	1.exe
740	1.exe
740	1.exe
740	1.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 740 wrote to memory of 4728	740	1.exe	99
PID 740 wrote to memory of 4728	740	1.exe	99
PID 740 wrote to memory of 4728	740	1.exe	99
PID 740 wrote to memory of 2848	740	1.exe	100
PID 740 wrote to memory of 2848	740	1.exe	100
PID 740 wrote to memory of 2848	740	1.exe	100

C:\Users\Admin\AppData\Local\Temp\1.exe
"C:\Users\Admin\AppData\Local\Temp\1.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:740
- C:\Users\Admin\AppData\Local\Temp\service123.exe
  "C:\Users\Admin\AppData\Local\Temp\service123.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4728
- 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:2848

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4148,i,3387628439405076340,17957358341235678872,262144 --variations-seed-version --mojo-platform-channel-handle=4180 /prefetch:8
1⤵
PID:4392

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --field-trial-handle=5036,i,3387628439405076340,17957358341235678872,262144 --variations-seed-version --mojo-platform-channel-handle=2332 /prefetch:3
1⤵
PID:1564

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4908

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4176

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

3

T1012

System Information Discovery

3

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

SCT Auditing Pending Reports

Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\SCT Auditing Pending Reports
Size 2B
SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
MD5 d751713988987e9331980363e24189ce
SHA1 97d170e1550eee4afc0af065b78cda302a97674c
SHA512 b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af
MD5 SHA1 SHA512

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Sdch Dictionaries

Path C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network\Sdch Dictionaries
Size 40B
SHA256 6028bd681dbf11a0a58dde8a0cd884115c04caa59d080ba51bde1b086ce0079d
MD5 20d4b8fa017a12a108c87f540836e250
SHA1 1ac617fac131262b6d3ce1f52f5907e31d5f6f00
SHA512 507b2b8a8a168ff8f2bdafa5d9d341c44501a5f17d9f63f3d43bd586bc9e8ae33221887869fa86f845b7d067cb7d2a7009efd71dda36e03a40a74fee04b86856
MD5 SHA1 SHA512

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memory/740-0-0x0000000000400000-0x000000000106A000-memory.dmp

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memory/740-7-0x0000000000400000-0x000000000106A000-memory.dmp

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memory/740-24-0x0000000000400000-0x000000000106A000-memory.dmp

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memory/4176-43-0x00000000005C0000-0x00000000005D1000-memory.dmp

Download

memory/4728-29-0x00000000005C0000-0x00000000005D1000-memory.dmp

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memory/4728-30-0x0000000074C80000-0x0000000074DBC000-memory.dmp

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memory/4908-28-0x00000000005C0000-0x00000000005D1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads