cryptbot | c91e89e7dd72b337a6933cf71f0b9905d58460ca0f0c922f49ad86d3819af960

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7v20201028
submitted
09-11-2020 19:45

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General

Target

SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe
Size

8.7MB
MD5

12ab181fc8699748180da1ddf0e748f6
SHA1

b269de28e7f3fce738eb4c3285fc608eecd51ec5
SHA256

c91e89e7dd72b337a6933cf71f0b9905d58460ca0f0c922f49ad86d3819af960
SHA512

18355644815bb7cf6b1c45802bee4651014e22ac70e7aa0858ec9d5bf4884e50b6b027dee24bd0ca13a4c73fbebc43a7e09b40523515e163fc9a3d51c219ca0b

Score

10^/10

cryptbot discovery evasion spyware stealer themida trojan

Malware Config

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
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Executes dropped EXE 2 IoCs

Processes:

iv21_protected.exeiv22_protected.exe

pid process

1220 iv21_protected.exe
316 iv22_protected.exe

pid	process
1220	iv21_protected.exe
316	iv22_protected.exe

Checks BIOS information in registry 2 TTPs 6 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exeiv21_protected.exeiv22_protected.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	iv21_protected.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	iv21_protected.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	iv22_protected.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	iv22_protected.exe

Loads dropped DLL 2 IoCs

Processes:

SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe

pid process

1068 SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe
1068 SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.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

pid	process
1068	SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe
1068	SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe

Themida packer 7 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1068-0-0x0000000000400000-0x0000000001119000-memory.dmp	themida
\ProgramData\Gds\iv21_protected.exe	themida
C:\ProgramData\Gds\iv21_protected.exe	themida
behavioral1/memory/1220-4-0x0000000000400000-0x0000000000AF7000-memory.dmp	themida
\ProgramData\Gds\iv22_protected.exe	themida
C:\ProgramData\Gds\iv22_protected.exe	themida
behavioral1/memory/316-8-0x0000000000C20000-0x000000000142D000-memory.dmp	themida

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

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exeiv21_protected.exeiv22_protected.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	iv21_protected.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	iv22_protected.exe

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

6 ip-api.com
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

Processes:

SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exeiv21_protected.exeiv22_protected.exe

pid process

1068 SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe
1220 iv21_protected.exe
316 iv22_protected.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

flow	ioc
6	ip-api.com

pid	process
1068	SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe
1220	iv21_protected.exe
316	iv22_protected.exe

Checks processor information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

iv22_protected.exeiv21_protected.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	iv22_protected.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	iv22_protected.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	iv21_protected.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	iv21_protected.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe

Suspicious use of FindShellTrayWindow 13 IoCs

Processes:

iv22_protected.exeiv21_protected.exe

pid	process
316	iv22_protected.exe
316	iv22_protected.exe
316	iv22_protected.exe
1220	iv21_protected.exe
316	iv22_protected.exe
316	iv22_protected.exe
316	iv22_protected.exe
316	iv22_protected.exe
316	iv22_protected.exe
316	iv22_protected.exe
316	iv22_protected.exe
316	iv22_protected.exe
316	iv22_protected.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe

description	pid	process	target process
PID 1068 wrote to memory of 1220	1068	SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe	iv21_protected.exe
PID 1068 wrote to memory of 1220	1068	SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe	iv21_protected.exe
PID 1068 wrote to memory of 1220	1068	SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe	iv21_protected.exe
PID 1068 wrote to memory of 1220	1068	SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe	iv21_protected.exe
PID 1068 wrote to memory of 1220	1068	SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe	iv21_protected.exe
PID 1068 wrote to memory of 1220	1068	SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe	iv21_protected.exe
PID 1068 wrote to memory of 1220	1068	SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe	iv21_protected.exe
PID 1068 wrote to memory of 316	1068	SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe	iv22_protected.exe
PID 1068 wrote to memory of 316	1068	SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe	iv22_protected.exe
PID 1068 wrote to memory of 316	1068	SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe	iv22_protected.exe
PID 1068 wrote to memory of 316	1068	SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe	iv22_protected.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen9.45677.29740.5488.exe"
1⤵
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1068

C:\ProgramData\Gds\iv21_protected.exe
C:\ProgramData\Gds\iv21_protected.exe
2⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious use of FindShellTrayWindow
PID:1220

C:\ProgramData\Gds\iv22_protected.exe
C:\ProgramData\Gds\iv22_protected.exe
2⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious use of FindShellTrayWindow
PID:316

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Install Root Certificate

T1130

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\Gds\iv21_protected.exe
MD5
a324ed1868bf4f0c9d13ea5e453578fd

SHA1
4fcd0c8fce792d219b4831b101e784dfbcc037f0

SHA256
80d7b509951cbd79a33fb26a1f4d278a1bdb9dab04a4aa96899d1f8ffc8cff53

SHA512
5a8bf6fb9a2a1b55a79c2019fd174e3d59572139368f30d31e74271b671689e9cdf2be4d39cddb1ed4dd2088222b5f2eb2c01b29e6a56e50878b56c332936726

Download Submit
C:\ProgramData\Gds\iv22_protected.exe
MD5
783e2a8de74dd5703fddefb9ca6fbbff

SHA1
eeae50072f72965d173d2a0319637bd39a020246

SHA256
d012c1ca30e855a7ffcf5550a8ad8a9d4d96e0bedfbb6f595cd928f2c9502a21

SHA512
d4949d8c2c922ca53cb581687923379d8f5240c1768f19550c058542bd7a486236e38cb36198c248b545a1be6b25f93f19d75379647135bb2b18637d59ea469b

Download Submit
\ProgramData\Gds\iv21_protected.exe
MD5
a324ed1868bf4f0c9d13ea5e453578fd

SHA1
4fcd0c8fce792d219b4831b101e784dfbcc037f0

SHA256
80d7b509951cbd79a33fb26a1f4d278a1bdb9dab04a4aa96899d1f8ffc8cff53

SHA512
5a8bf6fb9a2a1b55a79c2019fd174e3d59572139368f30d31e74271b671689e9cdf2be4d39cddb1ed4dd2088222b5f2eb2c01b29e6a56e50878b56c332936726

Download Submit
\ProgramData\Gds\iv22_protected.exe
MD5
783e2a8de74dd5703fddefb9ca6fbbff

SHA1
eeae50072f72965d173d2a0319637bd39a020246

SHA256
d012c1ca30e855a7ffcf5550a8ad8a9d4d96e0bedfbb6f595cd928f2c9502a21

SHA512
d4949d8c2c922ca53cb581687923379d8f5240c1768f19550c058542bd7a486236e38cb36198c248b545a1be6b25f93f19d75379647135bb2b18637d59ea469b

Download Submit
memory/316-6-0x0000000000000000-mapping.dmp

Download
memory/316-8-0x0000000000C20000-0x000000000142D000-memory.dmp

Filesize
8.1MB

Download
memory/432-9-0x000007FEF6460000-0x000007FEF66DA000-memory.dmp

Filesize
2.5MB

Download
memory/1068-0-0x0000000000400000-0x0000000001119000-memory.dmp

Filesize
13.1MB

Download
memory/1220-2-0x0000000000000000-mapping.dmp

Download
memory/1220-4-0x0000000000400000-0x0000000000AF7000-memory.dmp

Filesize
7.0MB

Download