cryptbot | 7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a

General

Target

Sigmanly_7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a.exe
Size

4.2MB
MD5

981a4c97340fa796c8a968d31fc620c0
SHA1

634cb9ffb2bd6503c8a3f7b6c6a0eaa25a1c27d4
SHA256

7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a
SHA512

5a0c6026723cafb3944362edbc7287971ebd4911622425833f4a2ade3313cdd4d3ce1095cb96aeb9ec86435c4c93da959b566e8357f7ee6a294fad60d3ecd45c
SSDEEP

98304:Voi/G6I6N32CRaVFInRKJGhSdXpKSli9jawgZB9D:Voiu6I6HRw00JGU/TiI/t

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_7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a.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_7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a.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_7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Sigmanly_7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a.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-1-5-21-493223053-2004649691-1575712786-1000\Software\Wine	Sigmanly_7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a.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
1624	Sigmanly_7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4292	1624	WerFault.exe	82

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_7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1624	Sigmanly_7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a.exe
1624	Sigmanly_7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a.exe
1624	Sigmanly_7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a.exe
1624	Sigmanly_7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a.exe
1624	Sigmanly_7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a.exe
1624	Sigmanly_7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a.exe
1624	Sigmanly_7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a.exe
1624	Sigmanly_7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a.exe
1624	Sigmanly_7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a.exe
1624	Sigmanly_7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a.exe

C:\Users\Admin\AppData\Local\Temp\Sigmanly_7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a.exe
"C:\Users\Admin\AppData\Local\Temp\Sigmanly_7f1b2b20696065cf69d8e02c68afe93dde97a1f24a7269c856ea09cee92d921a.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
PID:1624
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 1136
  2⤵
  - Program crash
  PID:4292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1624 -ip 1624
1⤵
PID:4424

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/1624-0-0x0000000000110000-0x0000000000D21000-memory.dmp

Filesize
12.1MB

Download
memory/1624-1-0x00000000774D4000-0x00000000774D6000-memory.dmp

Filesize
8KB

Download
memory/1624-2-0x0000000000111000-0x000000000039A000-memory.dmp

Filesize
2.5MB

Download
memory/1624-3-0x0000000000110000-0x0000000000D21000-memory.dmp

Filesize
12.1MB

Download
memory/1624-4-0x0000000000110000-0x0000000000D21000-memory.dmp

Filesize
12.1MB

Download
memory/1624-5-0x0000000000110000-0x0000000000D21000-memory.dmp

Filesize
12.1MB

Download
memory/1624-6-0x0000000000110000-0x0000000000D21000-memory.dmp

Filesize
12.1MB

Download
memory/1624-7-0x0000000000110000-0x0000000000D21000-memory.dmp

Filesize
12.1MB

Download
memory/1624-8-0x0000000000110000-0x0000000000D21000-memory.dmp

Filesize
12.1MB

Download
memory/1624-9-0x0000000000110000-0x0000000000D21000-memory.dmp

Filesize
12.1MB

Download
memory/1624-10-0x0000000000110000-0x0000000000D21000-memory.dmp

Filesize
12.1MB

Download
memory/1624-11-0x0000000000110000-0x0000000000D21000-memory.dmp

Filesize
12.1MB

Download
memory/1624-12-0x0000000000110000-0x0000000000D21000-memory.dmp

Filesize
12.1MB

Download
memory/1624-13-0x0000000000110000-0x0000000000D21000-memory.dmp

Filesize
12.1MB

Download
memory/1624-14-0x0000000000110000-0x0000000000D21000-memory.dmp

Filesize
12.1MB

Download
memory/1624-15-0x0000000000110000-0x0000000000D21000-memory.dmp

Filesize
12.1MB

Download
memory/1624-16-0x0000000000110000-0x0000000000D21000-memory.dmp

Filesize
12.1MB

Download
memory/1624-17-0x0000000000110000-0x0000000000D21000-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