cryptbot | 897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876

General

Target

Sigmanly_897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876.exe
Size

4.3MB
MD5

23a5d24635b116f7ff8a1835275027de
SHA1

3a47b6b89b789387e951e452ca2bf169c4cd0c3a
SHA256

897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876
SHA512

d4ebdedab89e6a85457c7ffa5407cbfb199b7ba117ef49c1c8027abaeb5c56cb3c532dd1739b755df5157811fbc7d18e9f95e0d011f94825403090d714663677
SSDEEP

98304:6EY9Gce3J/R37n7jcZOcLPGObJjGk1m1S0H2Ue0K7JDDYkpq+FUpJQpH:qGR3J/R3r7j8ObObJjGGOLWj17J/t8+V

Score

10^/10

cryptbot discovery evasion spyware stealer

Malware Config

Extracted

Family

cryptbot

Signatures

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

Enumerates VirtualBox registry keys 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxSF	Sigmanly_897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876.exe

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Sigmanly_897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Sigmanly_897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Sigmanly_897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876.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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Wine	Sigmanly_897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876.exe

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

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1784	Sigmanly_897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2432	1784	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 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	Sigmanly_897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1784	Sigmanly_897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876.exe
1784	Sigmanly_897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876.exe
1784	Sigmanly_897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876.exe
1784	Sigmanly_897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876.exe
1784	Sigmanly_897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876.exe
1784	Sigmanly_897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1784 wrote to memory of 2432	1784	Sigmanly_897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876.exe	31
PID 1784 wrote to memory of 2432	1784	Sigmanly_897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876.exe	31
PID 1784 wrote to memory of 2432	1784	Sigmanly_897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876.exe	31
PID 1784 wrote to memory of 2432	1784	Sigmanly_897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876.exe	31

C:\Users\Admin\AppData\Local\Temp\Sigmanly_897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876.exe
"C:\Users\Admin\AppData\Local\Temp\Sigmanly_897b0a99718bb1cb83242a09fa9542572aae3a5d2d4a5c90b6bb4be334131876.exe"
1⤵
- Enumerates VirtualBox registry keys
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1784
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 652
  2⤵
  - Program crash
  PID:2432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

3

T1497

Credential Access

Discovery

Query Registry

5

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

3

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1784-0-0x0000000001320000-0x0000000001F59000-memory.dmp

Filesize
12.2MB

Download
memory/1784-1-0x0000000077970000-0x0000000077972000-memory.dmp

Filesize
8KB

Download
memory/1784-2-0x0000000001321000-0x00000000015AA000-memory.dmp

Filesize
2.5MB

Download
memory/1784-3-0x0000000001320000-0x0000000001F59000-memory.dmp

Filesize
12.2MB

Download
memory/1784-4-0x0000000001320000-0x0000000001F59000-memory.dmp

Filesize
12.2MB

Download
memory/1784-5-0x0000000001320000-0x0000000001F59000-memory.dmp

Filesize
12.2MB

Download
memory/1784-6-0x0000000001320000-0x0000000001F59000-memory.dmp

Filesize
12.2MB

Download
memory/1784-7-0x0000000001320000-0x0000000001F59000-memory.dmp

Filesize
12.2MB

Download
memory/1784-8-0x0000000001320000-0x0000000001F59000-memory.dmp

Filesize
12.2MB

Download
memory/1784-9-0x0000000001320000-0x0000000001F59000-memory.dmp

Filesize
12.2MB

Download
memory/1784-11-0x0000000001320000-0x0000000001F59000-memory.dmp

Filesize
12.2MB

Download
memory/1784-12-0x0000000001320000-0x0000000001F59000-memory.dmp

Filesize
12.2MB

Download
memory/1784-13-0x0000000001320000-0x0000000001F59000-memory.dmp

Filesize
12.2MB

Download
memory/1784-14-0x0000000001320000-0x0000000001F59000-memory.dmp

Filesize
12.2MB

Download
memory/1784-15-0x0000000001320000-0x0000000001F59000-memory.dmp

Filesize
12.2MB

Download
memory/1784-16-0x0000000001320000-0x0000000001F59000-memory.dmp

Filesize
12.2MB

Download
memory/1784-17-0x0000000001320000-0x0000000001F59000-memory.dmp

Filesize
12.2MB

Download
memory/1784-18-0x0000000001320000-0x0000000001F59000-memory.dmp

Filesize
12.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads