cryptbot | 835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175

General

Target

835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe
Size

4.2MB
MD5

711314433abf81f90b6e54ee7c80a217
SHA1

2bd6a1acec7217207f17816fb8ee0ecfe747d4f5
SHA256

835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175
SHA512

9be7405d83715f2ab3add06a42ec7eb162ce0fd02d87560c5f86cfc237506179092f1e847fa737a0f9bbdb4ce67d1590f4024c872b0f83a22400c823af7f0944
SSDEEP

98304:kMQaI5Gn2QfXHZwaNsflwf4QLypfIaa2uL3adc5orvA+1o:kMDl22XH+S+tEOLe3asor4+C

Score

10^/10

cryptbot discovery evasion spyware stealer

Malware Config

Extracted

Family

cryptbot

C2

newyaer01.top

Signatures

CryptBot
A C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

Setup.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Setup.exe
Executes dropped EXE 1 IoCs

Processes:

Setup.exe

pid process

4964 Setup.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Setup.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Setup.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Setup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Setup.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

Setup.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Software\Wine Setup.exe
Loads dropped DLL 1 IoCs

Processes:

835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe

pid process

744 835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.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
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
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
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

49 ip-api.com
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

Setup.exe

pid process

4964 Setup.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Software\Wine	Setup.exe

pid	process
744	835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe

flow	ioc
49	ip-api.com

Drops file in Program Files directory 3 IoCs

Processes:

835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe

description	ioc	process
File created	C:\Program Files (x86)\New Year\Setup.exe	835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe
File created	C:\Program Files (x86)\New Year\Setx.exe	835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe
File created	C:\Program Files (x86)\New Year\enigma_ide.dll	835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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

Processes:

Setup.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Setup.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Setup.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Setup.exe

pid process

4964 Setup.exe
4964 Setup.exe

Suspicious use of FindShellTrayWindow 12 IoCs

Processes:

Setup.exe

pid	process
4964	Setup.exe
4964	Setup.exe
4964	Setup.exe
4964	Setup.exe
4964	Setup.exe
4964	Setup.exe
4964	Setup.exe
4964	Setup.exe
4964	Setup.exe
4964	Setup.exe
4964	Setup.exe
4964	Setup.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe

description	pid	process	target process
PID 744 wrote to memory of 4964	744	835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe	Setup.exe
PID 744 wrote to memory of 4964	744	835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe	Setup.exe
PID 744 wrote to memory of 4964	744	835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe	Setup.exe

C:\Users\Admin\AppData\Local\Temp\835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe
"C:\Users\Admin\AppData\Local\Temp\835002f99b229e4c2c71f5c0a3760584ed45dd39c6220b0f14dbf232a123e175.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:744
- C:\Program Files (x86)\New Year\Setup.exe
  "C:\Program Files (x86)\New Year\Setup.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Executes dropped EXE
  - Checks BIOS information in registry
  - Identifies Wine through registry keys
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  PID:4964

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

5

T1012

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\New Year\Setup.exe

Filesize
2.2MB

MD5
51e709380f586ce9a7147210e3a61726

SHA1
afc8ec3c36083b358269da8cd44909760362aae2

SHA256
1abce7851d8af7ae4c6f53ccea4a39574de4170af505fcc7c625f3fd39b5423b

SHA512
053c6f4efdd62230370eb4439852d7b0079abf067b7b668388425f952fb034fbd67d066411f8a1c56ab45d2371028fa60ff0798ea02d01b853f7d479cdccd7ff

Download Submit
C:\Program Files (x86)\New Year\Setup.exe

Filesize
2.2MB

MD5
51e709380f586ce9a7147210e3a61726

SHA1
afc8ec3c36083b358269da8cd44909760362aae2

SHA256
1abce7851d8af7ae4c6f53ccea4a39574de4170af505fcc7c625f3fd39b5423b

SHA512
053c6f4efdd62230370eb4439852d7b0079abf067b7b668388425f952fb034fbd67d066411f8a1c56ab45d2371028fa60ff0798ea02d01b853f7d479cdccd7ff

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsh3E62.tmp\UAC.dll

Filesize
14KB

MD5
adb29e6b186daa765dc750128649b63d

SHA1
160cbdc4cb0ac2c142d361df138c537aa7e708c9

SHA256
2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

SHA512
b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

Download Submit
memory/4964-131-0x0000000000000000-mapping.dmp

Download
memory/4964-134-0x0000000000760000-0x0000000000C9E000-memory.dmp

Filesize
5.2MB

Download
memory/4964-135-0x0000000077C30000-0x0000000077DD3000-memory.dmp

Filesize
1.6MB

Download
memory/4964-136-0x0000000000760000-0x0000000000C9E000-memory.dmp

Filesize
5.2MB

Download
memory/4964-137-0x0000000000760000-0x0000000000C9E000-memory.dmp

Filesize
5.2MB

Download
memory/4964-138-0x0000000077C30000-0x0000000077DD3000-memory.dmp

Filesize
1.6MB

Download
memory/4964-139-0x0000000000760000-0x0000000000C9E000-memory.dmp

Filesize
5.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads