cryptbot | 2711ee734545b0c9c758ab3832e79b17e24b8cb05e5beebf50235bb3db88ce36

General

Target

2711ee734545b0c9c758ab3832e79b17e24b8cb05e5beebf50235bb3db88ce36.exe
Size

1.4MB
MD5

7ba407d75167a68b1ecb956a50a79265
SHA1

34b6b9733e81be0ac16351d1d9e7a449be438e5c
SHA256

2711ee734545b0c9c758ab3832e79b17e24b8cb05e5beebf50235bb3db88ce36
SHA512

55a04b1e0c12605d3d71fe8cd2e0b76fa3c77c96db325190687fa0912be2166640061955f2a089003f2f37d387b6e5768bbee0736c28760e37a173c52cfdbf80
SSDEEP

24576:wBkVdlYA/TdFMcigwpaqJYyVSKShl+k//xuFcPMb9/haeGlzn2su21:QsvrosqKkTk3xu2MCem2suI

Score

10^/10

cryptbot discovery spyware stealer

Malware Config

Signatures

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

Detects CryptBot payload 1 IoCs

CryptBot is a C++ stealer distributed widely in bundle with other software.

spyware stealer

resource	yara_rule
behavioral2/memory/3764-9-0x0000000069CC0000-0x000000006A37B000-memory.dmp	family_cryptbot_v3

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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	2711ee734545b0c9c758ab3832e79b17e24b8cb05e5beebf50235bb3db88ce36.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	VC_redist.x64.exe

Executes dropped EXE 3 IoCs

pid	Process
3764	VC_redist.x64.exe
4220	service123.exe
1672	service123.exe

Loads dropped DLL 2 IoCs

pid	Process
4220	service123.exe
1672	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 4 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	2711ee734545b0c9c758ab3832e79b17e24b8cb05e5beebf50235bb3db88ce36.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VC_redist.x64.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	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
900	schtasks.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3248 wrote to memory of 3764	3248	2711ee734545b0c9c758ab3832e79b17e24b8cb05e5beebf50235bb3db88ce36.exe	85
PID 3248 wrote to memory of 3764	3248	2711ee734545b0c9c758ab3832e79b17e24b8cb05e5beebf50235bb3db88ce36.exe	85
PID 3248 wrote to memory of 3764	3248	2711ee734545b0c9c758ab3832e79b17e24b8cb05e5beebf50235bb3db88ce36.exe	85
PID 3764 wrote to memory of 4220	3764	VC_redist.x64.exe	99
PID 3764 wrote to memory of 4220	3764	VC_redist.x64.exe	99
PID 3764 wrote to memory of 4220	3764	VC_redist.x64.exe	99
PID 3764 wrote to memory of 900	3764	VC_redist.x64.exe	100
PID 3764 wrote to memory of 900	3764	VC_redist.x64.exe	100
PID 3764 wrote to memory of 900	3764	VC_redist.x64.exe	100

C:\Users\Admin\AppData\Local\Temp\2711ee734545b0c9c758ab3832e79b17e24b8cb05e5beebf50235bb3db88ce36.exe
"C:\Users\Admin\AppData\Local\Temp\2711ee734545b0c9c758ab3832e79b17e24b8cb05e5beebf50235bb3db88ce36.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3248
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.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:3764
- - 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:4220
- - 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:900

C:\Users\Admin\AppData\Local\Temp\service123.exe
C:\Users\Admin\AppData\Local\Temp\/service123.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1672

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

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

Filesize
7.1MB

MD5
a397342a8b11ea303ec69f3d91aa9168

SHA1
1c59f870a7aba840acddcafe959ef1faf004205b

SHA256
77f025cb7335cbb80c9c02390b81bf894d5bba8bf32fbd8376700f8a2b66d3c1

SHA512
0429fbecb7d1138f7faf0fb11a9ff1a499afb7838ae426654f1812db3b26522d873b830ef196bbc2e0f9887ffb2f33235bd9dc79b4175276951c7739b59cdad6

Download Submit
memory/1672-46-0x0000000000340000-0x0000000000352000-memory.dmp

Filesize
72KB

Download
memory/3764-9-0x0000000069CC0000-0x000000006A37B000-memory.dmp

Filesize
6.7MB

Download
memory/3764-18-0x00000000002D0000-0x00000000009ED000-memory.dmp

Filesize
7.1MB

Download
memory/3764-34-0x00000000002D0000-0x00000000009ED000-memory.dmp

Filesize
7.1MB

Download
memory/4220-36-0x0000000000340000-0x0000000000352000-memory.dmp

Filesize
72KB

Download
memory/4220-37-0x0000000072F60000-0x0000000073094000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads