cryptbot | 0218dd62759681af9aa77bfbd8f43af8de695b7426bb74aecdcd9f25ee53f3da

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06-05-2024 17:29

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General

Target

installer_NEAS.exe
Size

2.7MB
MD5

c29c49f54236b95c5f6228af66c651c5
SHA1

92c2a13c39757b0b656b44e0d1bc55e98ed5cc00
SHA256

0218dd62759681af9aa77bfbd8f43af8de695b7426bb74aecdcd9f25ee53f3da
SHA512

4fd926d42951e3e29a9d7a78b787567d86a5ae01a5bdcbf56058dc61a86d71d6b7bf4254a6136e9844cf2530f1a9bb5f645b40e804cc1cc2602d89bf193a505d
SSDEEP

49152:P9eUwdL4wRqh7YqAVpymthcNRhuvo5NMAN7q4HmfT5RhJRr0UUK81Ezw6HdPd5ik:85zgSt+svYNMAN7jOhJRDrwId

Score

10^/10

cryptbot evasion spyware stealer themida trojan

Malware Config

Extracted

Family

cryptbot

oct3m.top

oct3e.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:

installer_NEAS.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ installer_NEAS.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	installer_NEAS.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:

installer_NEAS.exe

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

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2012 cmd.exe

pid	process
2012	cmd.exe

Themida packer 7 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/808-0-0x0000000001370000-0x0000000001A6E000-memory.dmp	themida
behavioral1/memory/808-2-0x0000000001370000-0x0000000001A6E000-memory.dmp	themida
behavioral1/memory/808-3-0x0000000001370000-0x0000000001A6E000-memory.dmp	themida
behavioral1/memory/808-5-0x0000000001370000-0x0000000001A6E000-memory.dmp	themida
behavioral1/memory/808-6-0x0000000001370000-0x0000000001A6E000-memory.dmp	themida
behavioral1/memory/808-4-0x0000000001370000-0x0000000001A6E000-memory.dmp	themida
behavioral1/memory/808-7-0x0000000001370000-0x0000000001A6E000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

installer_NEAS.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA installer_NEAS.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

installer_NEAS.exe

pid process

808 installer_NEAS.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	installer_NEAS.exe

pid	process
808	installer_NEAS.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

Processes:

installer_NEAS.exe

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

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2532 timeout.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

installer_NEAS.exe

pid process

808 installer_NEAS.exe

pid	process
2532	timeout.exe

pid	process
808	installer_NEAS.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

installer_NEAS.execmd.exe

description	pid	process	target process
PID 808 wrote to memory of 2012	808	installer_NEAS.exe	cmd.exe
PID 808 wrote to memory of 2012	808	installer_NEAS.exe	cmd.exe
PID 808 wrote to memory of 2012	808	installer_NEAS.exe	cmd.exe
PID 808 wrote to memory of 2012	808	installer_NEAS.exe	cmd.exe
PID 2012 wrote to memory of 2532	2012	cmd.exe	timeout.exe
PID 2012 wrote to memory of 2532	2012	cmd.exe	timeout.exe
PID 2012 wrote to memory of 2532	2012	cmd.exe	timeout.exe
PID 2012 wrote to memory of 2532	2012	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\installer_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\installer_NEAS.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:808

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\DPOLdGavsSdAE & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\installer_NEAS.exe"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2012

C:\Windows\SysWOW64\timeout.exe
timeout 4
3⤵
- Delays execution with timeout.exe
PID:2532

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/808-0-0x0000000001370000-0x0000000001A6E000-memory.dmp

Filesize
7.0MB

Download
memory/808-1-0x00000000774A0000-0x00000000774A2000-memory.dmp

Filesize
8KB

Download
memory/808-2-0x0000000001370000-0x0000000001A6E000-memory.dmp

Filesize
7.0MB

Download
memory/808-3-0x0000000001370000-0x0000000001A6E000-memory.dmp

Filesize
7.0MB

Download
memory/808-5-0x0000000001370000-0x0000000001A6E000-memory.dmp

Filesize
7.0MB

Download
memory/808-6-0x0000000001370000-0x0000000001A6E000-memory.dmp

Filesize
7.0MB

Download
memory/808-4-0x0000000001370000-0x0000000001A6E000-memory.dmp

Filesize
7.0MB

Download
memory/808-7-0x0000000001370000-0x0000000001A6E000-memory.dmp

Filesize
7.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads