cryptbot | 1618813f2071072453fa1a3d36983cc983d69a5edc3c4406c274ebf9b3d0d594

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
14-03-2023 19:28

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General

Target

51bf88b291e3b35a12f4c253bf8377c3.exe
Size

791KB
MD5

51bf88b291e3b35a12f4c253bf8377c3
SHA1

787c0e9a2b3ca8237a0fffc4f47bba07722d082d
SHA256

1618813f2071072453fa1a3d36983cc983d69a5edc3c4406c274ebf9b3d0d594
SHA512

4b7a1494e8fac022933fa274a737191dc51f094802a247f02e032e65774b3f87c5d23e5a9481553837aa2abe26b4586e747abd36e13aaa8d21d003e779f5ec0b
SSDEEP

12288:Nu5WWa4ojAtbuTZCZPAl6Qo007IDt3D/Ykps5pb5SxVfrbyax1ejueDoUFbH:A4W+EMTsxAlg03Db65V5SnbyXikHFbH

Score

10^/10

cryptbot discovery evasion spyware stealer themida trojan

Malware Config

Extracted

Family

cryptbot

http://ernlen22.top/gate.php

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 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

magpie.exeDpEditor.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	magpie.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	DpEditor.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

DpEditor.exemagpie.exe

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

51bf88b291e3b35a12f4c253bf8377c3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	51bf88b291e3b35a12f4c253bf8377c3.exe

Executes dropped EXE 2 IoCs

Processes:

magpie.exeDpEditor.exe

pid process

3940 magpie.exe
3664 DpEditor.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
3940	magpie.exe
3664	DpEditor.exe

Themida packer 18 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\11342DAF2E148CD4\magpie.exe	themida
C:\Users\Admin\AppData\Roaming\11342DAF2E148CD4\magpie.exe	themida
behavioral2/memory/3940-243-0x0000000000C50000-0x0000000001334000-memory.dmp	themida
behavioral2/memory/3940-244-0x0000000000C50000-0x0000000001334000-memory.dmp	themida
behavioral2/memory/3940-245-0x0000000000C50000-0x0000000001334000-memory.dmp	themida
behavioral2/memory/3940-246-0x0000000000C50000-0x0000000001334000-memory.dmp	themida
behavioral2/memory/3940-247-0x0000000000C50000-0x0000000001334000-memory.dmp	themida
behavioral2/memory/3940-248-0x0000000000C50000-0x0000000001334000-memory.dmp	themida
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe	themida
behavioral2/memory/3940-252-0x0000000000C50000-0x0000000001334000-memory.dmp	themida
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe	themida
behavioral2/memory/3664-254-0x0000000000DA0000-0x0000000001484000-memory.dmp	themida
behavioral2/memory/3664-255-0x0000000000DA0000-0x0000000001484000-memory.dmp	themida
behavioral2/memory/3664-256-0x0000000000DA0000-0x0000000001484000-memory.dmp	themida
behavioral2/memory/3664-257-0x0000000000DA0000-0x0000000001484000-memory.dmp	themida
behavioral2/memory/3664-258-0x0000000000DA0000-0x0000000001484000-memory.dmp	themida
behavioral2/memory/3664-259-0x0000000000DA0000-0x0000000001484000-memory.dmp	themida
behavioral2/memory/3664-260-0x0000000000DA0000-0x0000000001484000-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 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

magpie.exeDpEditor.exe

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

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

51bf88b291e3b35a12f4c253bf8377c3.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	51bf88b291e3b35a12f4c253bf8377c3.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	51bf88b291e3b35a12f4c253bf8377c3.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

magpie.exeDpEditor.exe

pid process

3940 magpie.exe
3664 DpEditor.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

51bf88b291e3b35a12f4c253bf8377c3.exe

description pid process target process

PID 1256 set thread context of 4180 1256 51bf88b291e3b35a12f4c253bf8377c3.exe 51bf88b291e3b35a12f4c253bf8377c3.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
3940	magpie.exe
3664	DpEditor.exe

description	pid	process	target process
PID 1256 set thread context of 4180	1256	51bf88b291e3b35a12f4c253bf8377c3.exe	51bf88b291e3b35a12f4c253bf8377c3.exe

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

51bf88b291e3b35a12f4c253bf8377c3.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	51bf88b291e3b35a12f4c253bf8377c3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	51bf88b291e3b35a12f4c253bf8377c3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	51bf88b291e3b35a12f4c253bf8377c3.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3524 timeout.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

DpEditor.exe

pid process

3664 DpEditor.exe

pid	process
3524	timeout.exe

pid	process
3664	DpEditor.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

51bf88b291e3b35a12f4c253bf8377c3.exemagpie.exeDpEditor.exe

pid	process
4180	51bf88b291e3b35a12f4c253bf8377c3.exe
4180	51bf88b291e3b35a12f4c253bf8377c3.exe
3940	magpie.exe
3940	magpie.exe
3664	DpEditor.exe
3664	DpEditor.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

51bf88b291e3b35a12f4c253bf8377c3.exe51bf88b291e3b35a12f4c253bf8377c3.execmd.execmd.exemagpie.exe

description	pid	process	target process
PID 1256 wrote to memory of 4180	1256	51bf88b291e3b35a12f4c253bf8377c3.exe	51bf88b291e3b35a12f4c253bf8377c3.exe
PID 1256 wrote to memory of 4180	1256	51bf88b291e3b35a12f4c253bf8377c3.exe	51bf88b291e3b35a12f4c253bf8377c3.exe
PID 1256 wrote to memory of 4180	1256	51bf88b291e3b35a12f4c253bf8377c3.exe	51bf88b291e3b35a12f4c253bf8377c3.exe
PID 1256 wrote to memory of 4180	1256	51bf88b291e3b35a12f4c253bf8377c3.exe	51bf88b291e3b35a12f4c253bf8377c3.exe
PID 1256 wrote to memory of 4180	1256	51bf88b291e3b35a12f4c253bf8377c3.exe	51bf88b291e3b35a12f4c253bf8377c3.exe
PID 1256 wrote to memory of 4180	1256	51bf88b291e3b35a12f4c253bf8377c3.exe	51bf88b291e3b35a12f4c253bf8377c3.exe
PID 1256 wrote to memory of 4180	1256	51bf88b291e3b35a12f4c253bf8377c3.exe	51bf88b291e3b35a12f4c253bf8377c3.exe
PID 1256 wrote to memory of 4180	1256	51bf88b291e3b35a12f4c253bf8377c3.exe	51bf88b291e3b35a12f4c253bf8377c3.exe
PID 1256 wrote to memory of 4180	1256	51bf88b291e3b35a12f4c253bf8377c3.exe	51bf88b291e3b35a12f4c253bf8377c3.exe
PID 1256 wrote to memory of 4180	1256	51bf88b291e3b35a12f4c253bf8377c3.exe	51bf88b291e3b35a12f4c253bf8377c3.exe
PID 1256 wrote to memory of 4180	1256	51bf88b291e3b35a12f4c253bf8377c3.exe	51bf88b291e3b35a12f4c253bf8377c3.exe
PID 4180 wrote to memory of 4264	4180	51bf88b291e3b35a12f4c253bf8377c3.exe	cmd.exe
PID 4180 wrote to memory of 4264	4180	51bf88b291e3b35a12f4c253bf8377c3.exe	cmd.exe
PID 4180 wrote to memory of 4264	4180	51bf88b291e3b35a12f4c253bf8377c3.exe	cmd.exe
PID 4180 wrote to memory of 4584	4180	51bf88b291e3b35a12f4c253bf8377c3.exe	cmd.exe
PID 4180 wrote to memory of 4584	4180	51bf88b291e3b35a12f4c253bf8377c3.exe	cmd.exe
PID 4180 wrote to memory of 4584	4180	51bf88b291e3b35a12f4c253bf8377c3.exe	cmd.exe
PID 4264 wrote to memory of 3940	4264	cmd.exe	magpie.exe
PID 4264 wrote to memory of 3940	4264	cmd.exe	magpie.exe
PID 4264 wrote to memory of 3940	4264	cmd.exe	magpie.exe
PID 4584 wrote to memory of 3524	4584	cmd.exe	timeout.exe
PID 4584 wrote to memory of 3524	4584	cmd.exe	timeout.exe
PID 4584 wrote to memory of 3524	4584	cmd.exe	timeout.exe
PID 3940 wrote to memory of 3664	3940	magpie.exe	DpEditor.exe
PID 3940 wrote to memory of 3664	3940	magpie.exe	DpEditor.exe
PID 3940 wrote to memory of 3664	3940	magpie.exe	DpEditor.exe

C:\Users\Admin\AppData\Local\Temp\51bf88b291e3b35a12f4c253bf8377c3.exe
"C:\Users\Admin\AppData\Local\Temp\51bf88b291e3b35a12f4c253bf8377c3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1256

C:\Users\Admin\AppData\Local\Temp\51bf88b291e3b35a12f4c253bf8377c3.exe
"C:\Users\Admin\AppData\Local\Temp\51bf88b291e3b35a12f4c253bf8377c3.exe"
2⤵
- Checks computer location settings
- Maps connected drives based on registry
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4180

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\11342DAF2E148CD4\magpie.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:4264

C:\Users\Admin\AppData\Roaming\11342DAF2E148CD4\magpie.exe
C:\Users\Admin\AppData\Roaming\11342DAF2E148CD4\magpie.exe
4⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3940

C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
"C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"
5⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
PID:3664

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\51bf88b291e3b35a12f4c253bf8377c3.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:4584

C:\Windows\SysWOW64\timeout.exe
timeout -t 5
4⤵
- Delays execution with timeout.exe
PID:3524

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CF22.tmp
Filesize
32B

MD5
e0c01d95f04950d79ea2cc790f9bfbeb

SHA1
47ebcb6e5d0532b3ea69bc99abba78025d19e4e3

SHA256
afa9ec022adbabe2ac82f4167d4ae03f97c6218b33611891dbd184f050a632b0

SHA512
48fe80632f6b844af69220f1103a3d2e4a6447e0882e3f7d7edf34f341daed8d77c7a502901ca75cbb6ccb2db3038060bce1a1d3d7399e021d1263d11e0f2ddf

Download Submit
C:\Users\Admin\AppData\Local\Temp\D1B6.tmp
Filesize
72KB

MD5
5aeeafe26d1e0441647e0b0d7b880c81

SHA1
45a00f65a99d1cec35bd6a21891ac469a86f451c

SHA256
c94d79620e27865ba796be4cbfd98087da8a47f78e07e7220084de05354381dd

SHA512
3e70b065b194f14f1ec2735b6003943b492c29a78e12029ae42574cda7fdc785c24eae0c98fbd9a1167ac938387d78aead68688299e3aaf1971794938ab903c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\D9D0.tmp
Filesize
2KB

MD5
8c7576873886d730d55e52070f35fea0

SHA1
cf8b732cb49dad4e69c8948a6f0b7b87b9b0ccf1

SHA256
06b631bf6ea97d79ea2215efa0323aab64bd1b53283ef8640c2a8fd37cac9caa

SHA512
374dff92bb31dfb74ec66084dcc8764e166f4adc7c57113d813b430e420b8bcc9e1300aae5f4b2ff09ad3d5b152a8240901ed3acfc76c4788d9ad3442cd2db28

Download Submit
C:\Users\Admin\AppData\Roaming\11342DAF2E148CD4\magpie.exe
Filesize
2.6MB

MD5
7b151d5d1cc93ce12a0739aee4747551

SHA1
e0f938edcae3de4059e9022d254f3dd04ad47991

SHA256
f1de8d1de91170b9f7e715575c51c5846370233c33c50831b909c5cc8207a0ad

SHA512
3481b855ba1d6f96058d187730edd2816cd64a6670b27699355e89f2cf1ccde67c0656979e15a9891b46369a46ae7483ff645e5cc2820888f5b696976a9cd944

Download Submit
C:\Users\Admin\AppData\Roaming\11342DAF2E148CD4\magpie.exe
Filesize
2.6MB

MD5
7b151d5d1cc93ce12a0739aee4747551

SHA1
e0f938edcae3de4059e9022d254f3dd04ad47991

SHA256
f1de8d1de91170b9f7e715575c51c5846370233c33c50831b909c5cc8207a0ad

SHA512
3481b855ba1d6f96058d187730edd2816cd64a6670b27699355e89f2cf1ccde67c0656979e15a9891b46369a46ae7483ff645e5cc2820888f5b696976a9cd944

Download Submit
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
Filesize
2.6MB

MD5
7b151d5d1cc93ce12a0739aee4747551

SHA1
e0f938edcae3de4059e9022d254f3dd04ad47991

SHA256
f1de8d1de91170b9f7e715575c51c5846370233c33c50831b909c5cc8207a0ad

SHA512
3481b855ba1d6f96058d187730edd2816cd64a6670b27699355e89f2cf1ccde67c0656979e15a9891b46369a46ae7483ff645e5cc2820888f5b696976a9cd944

Download Submit
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
Filesize
2.6MB

MD5
7b151d5d1cc93ce12a0739aee4747551

SHA1
e0f938edcae3de4059e9022d254f3dd04ad47991

SHA256
f1de8d1de91170b9f7e715575c51c5846370233c33c50831b909c5cc8207a0ad

SHA512
3481b855ba1d6f96058d187730edd2816cd64a6670b27699355e89f2cf1ccde67c0656979e15a9891b46369a46ae7483ff645e5cc2820888f5b696976a9cd944

Download Submit
memory/3664-258-0x0000000000DA0000-0x0000000001484000-memory.dmp

Filesize
6.9MB

Download
memory/3664-259-0x0000000000DA0000-0x0000000001484000-memory.dmp

Filesize
6.9MB

Download
memory/3664-260-0x0000000000DA0000-0x0000000001484000-memory.dmp

Filesize
6.9MB

Download
memory/3664-257-0x0000000000DA0000-0x0000000001484000-memory.dmp

Filesize
6.9MB

Download
memory/3664-256-0x0000000000DA0000-0x0000000001484000-memory.dmp

Filesize
6.9MB

Download
memory/3664-255-0x0000000000DA0000-0x0000000001484000-memory.dmp

Filesize
6.9MB

Download
memory/3664-254-0x0000000000DA0000-0x0000000001484000-memory.dmp

Filesize
6.9MB

Download
memory/3940-244-0x0000000000C50000-0x0000000001334000-memory.dmp

Filesize
6.9MB

Download
memory/3940-247-0x0000000000C50000-0x0000000001334000-memory.dmp

Filesize
6.9MB

Download
memory/3940-248-0x0000000000C50000-0x0000000001334000-memory.dmp

Filesize
6.9MB

Download
memory/3940-246-0x0000000000C50000-0x0000000001334000-memory.dmp

Filesize
6.9MB

Download
memory/3940-252-0x0000000000C50000-0x0000000001334000-memory.dmp

Filesize
6.9MB

Download
memory/3940-245-0x0000000000C50000-0x0000000001334000-memory.dmp

Filesize
6.9MB

Download
memory/3940-243-0x0000000000C50000-0x0000000001334000-memory.dmp

Filesize
6.9MB

Download
memory/4180-134-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4180-238-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4180-237-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4180-136-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4180-135-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4180-133-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download