cryptbot | 3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466

General

Target

Sigmanly_3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466.exe
Size

4.2MB
MD5

abcff1e6ac84a5ec546b6672ce45bf02
SHA1

e5e8c81f0b1d2ea23adbe79d5a69318a7212bbea
SHA256

3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466
SHA512

010d13c525854f55eecae7900d3a2637efc17f45e23d2915aa61fd8d1ea18a6b0d41cf08f9404ef5834cbd010af60fd7c90f7ad564fb96560a03f28c0422c40e
SSDEEP

98304:mvvsqWkkoPBI4gzTwyc7/fa2y9lqqPBHIBCcD:m3okkoPBI3z031y9l1HWC8

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_3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466.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_3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466.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_3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Sigmanly_3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine	Sigmanly_3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466.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
1064	Sigmanly_3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2440	1064	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_3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1064	Sigmanly_3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466.exe
1064	Sigmanly_3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466.exe
1064	Sigmanly_3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466.exe
1064	Sigmanly_3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466.exe
1064	Sigmanly_3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466.exe
1064	Sigmanly_3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 2440	1064	Sigmanly_3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466.exe	31
PID 1064 wrote to memory of 2440	1064	Sigmanly_3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466.exe	31
PID 1064 wrote to memory of 2440	1064	Sigmanly_3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466.exe	31
PID 1064 wrote to memory of 2440	1064	Sigmanly_3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466.exe	31

C:\Users\Admin\AppData\Local\Temp\Sigmanly_3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466.exe
"C:\Users\Admin\AppData\Local\Temp\Sigmanly_3649c7b868952aa06caef1e133c8f4bdcc2a92763380c7e69af4e2f891afd466.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:1064
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1064 -s 656
  2⤵
  - Program crash
  PID:2440

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/1064-0-0x00000000012E0000-0x0000000001F01000-memory.dmp

Filesize
12.1MB

Download
memory/1064-1-0x0000000077260000-0x0000000077262000-memory.dmp

Filesize
8KB

Download
memory/1064-2-0x00000000012E1000-0x000000000156A000-memory.dmp

Filesize
2.5MB

Download
memory/1064-3-0x00000000012E0000-0x0000000001F01000-memory.dmp

Filesize
12.1MB

Download
memory/1064-4-0x00000000012E0000-0x0000000001F01000-memory.dmp

Filesize
12.1MB

Download
memory/1064-5-0x00000000012E0000-0x0000000001F01000-memory.dmp

Filesize
12.1MB

Download
memory/1064-6-0x00000000012E0000-0x0000000001F01000-memory.dmp

Filesize
12.1MB

Download
memory/1064-7-0x00000000012E0000-0x0000000001F01000-memory.dmp

Filesize
12.1MB

Download
memory/1064-8-0x00000000012E0000-0x0000000001F01000-memory.dmp

Filesize
12.1MB

Download
memory/1064-9-0x00000000012E0000-0x0000000001F01000-memory.dmp

Filesize
12.1MB

Download
memory/1064-10-0x00000000012E0000-0x0000000001F01000-memory.dmp

Filesize
12.1MB

Download
memory/1064-11-0x00000000012E0000-0x0000000001F01000-memory.dmp

Filesize
12.1MB

Download
memory/1064-12-0x00000000012E0000-0x0000000001F01000-memory.dmp

Filesize
12.1MB

Download
memory/1064-13-0x00000000012E0000-0x0000000001F01000-memory.dmp

Filesize
12.1MB

Download
memory/1064-14-0x00000000012E0000-0x0000000001F01000-memory.dmp

Filesize
12.1MB

Download
memory/1064-15-0x00000000012E0000-0x0000000001F01000-memory.dmp

Filesize
12.1MB

Download
memory/1064-16-0x00000000012E0000-0x0000000001F01000-memory.dmp

Filesize
12.1MB

Download
memory/1064-17-0x00000000012E0000-0x0000000001F01000-memory.dmp

Filesize
12.1MB

Download
memory/1064-18-0x00000000012E0000-0x0000000001F01000-memory.dmp

Filesize
12.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads