cryptbot | 50809992588189f6adbe6cfeb6f7c7f5c5722db14f73d13e9bb8eb1b92528710

Analysis

max time kernel
151s
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
17-03-2023 09:31

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General

Target

edf17409efa144282021fcba2b1e5033.exe
Size

791KB
MD5

edf17409efa144282021fcba2b1e5033
SHA1

62bdbc5f5c0dfecfd35674eaa177a829b0843993
SHA256

50809992588189f6adbe6cfeb6f7c7f5c5722db14f73d13e9bb8eb1b92528710
SHA512

94b1258e387c259873e165916a3f359f6ed2391baad1ab6e0d7af39cb68cc68ec5cd2aebabc60169bf2dd203c491b5ff986b684c3a9dc6c4aeb0049c2b240f89
SSDEEP

12288:hh9ZOqdRHEws20o6hG/MqV1D40X2cWQcPNvW0e784L08rwxCP5F0ZRKH:2qXkqkRScPN+r784LnwxwyiH

Score

10^/10

cryptbot discovery evasion spyware stealer themida trojan

Malware Config

Extracted

Family

cryptbot

http://ernwld52.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:

DpEditor.exeprebid.exe

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

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

edf17409efa144282021fcba2b1e5033.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Control Panel\International\Geo\Nation	edf17409efa144282021fcba2b1e5033.exe

Executes dropped EXE 2 IoCs

Processes:

prebid.exeDpEditor.exe

pid process

1696 prebid.exe
1456 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
1696	prebid.exe
1456	DpEditor.exe

Themida packer 18 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\11342DAFE4B85ABE\prebid.exe	themida
C:\Users\Admin\AppData\Roaming\11342DAFE4B85ABE\prebid.exe	themida
behavioral2/memory/1696-239-0x0000000000030000-0x000000000076C000-memory.dmp	themida
behavioral2/memory/1696-240-0x0000000000030000-0x000000000076C000-memory.dmp	themida
behavioral2/memory/1696-241-0x0000000000030000-0x000000000076C000-memory.dmp	themida
behavioral2/memory/1696-243-0x0000000000030000-0x000000000076C000-memory.dmp	themida
behavioral2/memory/1696-242-0x0000000000030000-0x000000000076C000-memory.dmp	themida
behavioral2/memory/1696-244-0x0000000000030000-0x000000000076C000-memory.dmp	themida
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe	themida
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe	themida
behavioral2/memory/1696-248-0x0000000000030000-0x000000000076C000-memory.dmp	themida
behavioral2/memory/1456-250-0x0000000000E70000-0x00000000015AC000-memory.dmp	themida
behavioral2/memory/1456-251-0x0000000000E70000-0x00000000015AC000-memory.dmp	themida
behavioral2/memory/1456-252-0x0000000000E70000-0x00000000015AC000-memory.dmp	themida
behavioral2/memory/1456-253-0x0000000000E70000-0x00000000015AC000-memory.dmp	themida
behavioral2/memory/1456-254-0x0000000000E70000-0x00000000015AC000-memory.dmp	themida
behavioral2/memory/1456-255-0x0000000000E70000-0x00000000015AC000-memory.dmp	themida
behavioral2/memory/1456-256-0x0000000000E70000-0x00000000015AC000-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:

prebid.exeDpEditor.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	prebid.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:

edf17409efa144282021fcba2b1e5033.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	edf17409efa144282021fcba2b1e5033.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	edf17409efa144282021fcba2b1e5033.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

prebid.exeDpEditor.exe

pid process

1696 prebid.exe
1456 DpEditor.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

edf17409efa144282021fcba2b1e5033.exe

description pid process target process

PID 4580 set thread context of 404 4580 edf17409efa144282021fcba2b1e5033.exe edf17409efa144282021fcba2b1e5033.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
1696	prebid.exe
1456	DpEditor.exe

description	pid	process	target process
PID 4580 set thread context of 404	4580	edf17409efa144282021fcba2b1e5033.exe	edf17409efa144282021fcba2b1e5033.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:

edf17409efa144282021fcba2b1e5033.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	edf17409efa144282021fcba2b1e5033.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	edf17409efa144282021fcba2b1e5033.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	edf17409efa144282021fcba2b1e5033.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2160 timeout.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

DpEditor.exe

pid process

1456 DpEditor.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

edf17409efa144282021fcba2b1e5033.exeprebid.exeDpEditor.exe

pid process

404 edf17409efa144282021fcba2b1e5033.exe
404 edf17409efa144282021fcba2b1e5033.exe
1696 prebid.exe
1696 prebid.exe
1456 DpEditor.exe
1456 DpEditor.exe

pid	process
2160	timeout.exe

pid	process
1456	DpEditor.exe

pid	process
404	edf17409efa144282021fcba2b1e5033.exe
404	edf17409efa144282021fcba2b1e5033.exe
1696	prebid.exe
1696	prebid.exe
1456	DpEditor.exe
1456	DpEditor.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

edf17409efa144282021fcba2b1e5033.exeedf17409efa144282021fcba2b1e5033.execmd.execmd.exeprebid.exe

description	pid	process	target process
PID 4580 wrote to memory of 404	4580	edf17409efa144282021fcba2b1e5033.exe	edf17409efa144282021fcba2b1e5033.exe
PID 4580 wrote to memory of 404	4580	edf17409efa144282021fcba2b1e5033.exe	edf17409efa144282021fcba2b1e5033.exe
PID 4580 wrote to memory of 404	4580	edf17409efa144282021fcba2b1e5033.exe	edf17409efa144282021fcba2b1e5033.exe
PID 4580 wrote to memory of 404	4580	edf17409efa144282021fcba2b1e5033.exe	edf17409efa144282021fcba2b1e5033.exe
PID 4580 wrote to memory of 404	4580	edf17409efa144282021fcba2b1e5033.exe	edf17409efa144282021fcba2b1e5033.exe
PID 4580 wrote to memory of 404	4580	edf17409efa144282021fcba2b1e5033.exe	edf17409efa144282021fcba2b1e5033.exe
PID 4580 wrote to memory of 404	4580	edf17409efa144282021fcba2b1e5033.exe	edf17409efa144282021fcba2b1e5033.exe
PID 4580 wrote to memory of 404	4580	edf17409efa144282021fcba2b1e5033.exe	edf17409efa144282021fcba2b1e5033.exe
PID 4580 wrote to memory of 404	4580	edf17409efa144282021fcba2b1e5033.exe	edf17409efa144282021fcba2b1e5033.exe
PID 4580 wrote to memory of 404	4580	edf17409efa144282021fcba2b1e5033.exe	edf17409efa144282021fcba2b1e5033.exe
PID 4580 wrote to memory of 404	4580	edf17409efa144282021fcba2b1e5033.exe	edf17409efa144282021fcba2b1e5033.exe
PID 404 wrote to memory of 2700	404	edf17409efa144282021fcba2b1e5033.exe	cmd.exe
PID 404 wrote to memory of 2700	404	edf17409efa144282021fcba2b1e5033.exe	cmd.exe
PID 404 wrote to memory of 2700	404	edf17409efa144282021fcba2b1e5033.exe	cmd.exe
PID 404 wrote to memory of 4812	404	edf17409efa144282021fcba2b1e5033.exe	cmd.exe
PID 404 wrote to memory of 4812	404	edf17409efa144282021fcba2b1e5033.exe	cmd.exe
PID 404 wrote to memory of 4812	404	edf17409efa144282021fcba2b1e5033.exe	cmd.exe
PID 4812 wrote to memory of 2160	4812	cmd.exe	timeout.exe
PID 4812 wrote to memory of 2160	4812	cmd.exe	timeout.exe
PID 4812 wrote to memory of 2160	4812	cmd.exe	timeout.exe
PID 2700 wrote to memory of 1696	2700	cmd.exe	prebid.exe
PID 2700 wrote to memory of 1696	2700	cmd.exe	prebid.exe
PID 2700 wrote to memory of 1696	2700	cmd.exe	prebid.exe
PID 1696 wrote to memory of 1456	1696	prebid.exe	DpEditor.exe
PID 1696 wrote to memory of 1456	1696	prebid.exe	DpEditor.exe
PID 1696 wrote to memory of 1456	1696	prebid.exe	DpEditor.exe

C:\Users\Admin\AppData\Local\Temp\edf17409efa144282021fcba2b1e5033.exe
"C:\Users\Admin\AppData\Local\Temp\edf17409efa144282021fcba2b1e5033.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4580

C:\Users\Admin\AppData\Local\Temp\edf17409efa144282021fcba2b1e5033.exe
"C:\Users\Admin\AppData\Local\Temp\edf17409efa144282021fcba2b1e5033.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:404

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\11342DAFE4B85ABE\prebid.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:2700

C:\Users\Admin\AppData\Roaming\11342DAFE4B85ABE\prebid.exe
C:\Users\Admin\AppData\Roaming\11342DAFE4B85ABE\prebid.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:1696

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:1456

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\edf17409efa144282021fcba2b1e5033.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:4812

C:\Windows\SysWOW64\timeout.exe
timeout -t 5
4⤵
- Delays execution with timeout.exe
PID:2160

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\8F2B.tmp

Filesize
32B

MD5
e0c01d95f04950d79ea2cc790f9bfbeb

SHA1
47ebcb6e5d0532b3ea69bc99abba78025d19e4e3

SHA256
afa9ec022adbabe2ac82f4167d4ae03f97c6218b33611891dbd184f050a632b0

SHA512
48fe80632f6b844af69220f1103a3d2e4a6447e0882e3f7d7edf34f341daed8d77c7a502901ca75cbb6ccb2db3038060bce1a1d3d7399e021d1263d11e0f2ddf

Download Submit
C:\Users\Admin\AppData\Local\Temp\91B0.tmp

Filesize
72KB

MD5
5aeeafe26d1e0441647e0b0d7b880c81

SHA1
45a00f65a99d1cec35bd6a21891ac469a86f451c

SHA256
c94d79620e27865ba796be4cbfd98087da8a47f78e07e7220084de05354381dd

SHA512
3e70b065b194f14f1ec2735b6003943b492c29a78e12029ae42574cda7fdc785c24eae0c98fbd9a1167ac938387d78aead68688299e3aaf1971794938ab903c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\97F5.tmp

Filesize
2KB

MD5
8c7576873886d730d55e52070f35fea0

SHA1
cf8b732cb49dad4e69c8948a6f0b7b87b9b0ccf1

SHA256
06b631bf6ea97d79ea2215efa0323aab64bd1b53283ef8640c2a8fd37cac9caa

SHA512
374dff92bb31dfb74ec66084dcc8764e166f4adc7c57113d813b430e420b8bcc9e1300aae5f4b2ff09ad3d5b152a8240901ed3acfc76c4788d9ad3442cd2db28

Download Submit
C:\Users\Admin\AppData\Roaming\11342DAFE4B85ABE\prebid.exe

Filesize
2.8MB

MD5
a2ee23e1c6ca048c635bde8d197631a8

SHA1
9983cbd777a090b4ef2518fd40862f1925a419e9

SHA256
dba21175cccfd95b053c628b5162f3bf2af5fc9b0aaa0d2b384a6636a1921a67

SHA512
d42909e0aeb14bff6cd25867d927fdcb0d1fa88228a0d5059fa5ebca9db0cba6bc4f49f7ef99b33f2378cc5f007fbf91ba8853f5758540e918486559ed4d9ce6

Download Submit
C:\Users\Admin\AppData\Roaming\11342DAFE4B85ABE\prebid.exe

Filesize
2.8MB

MD5
a2ee23e1c6ca048c635bde8d197631a8

SHA1
9983cbd777a090b4ef2518fd40862f1925a419e9

SHA256
dba21175cccfd95b053c628b5162f3bf2af5fc9b0aaa0d2b384a6636a1921a67

SHA512
d42909e0aeb14bff6cd25867d927fdcb0d1fa88228a0d5059fa5ebca9db0cba6bc4f49f7ef99b33f2378cc5f007fbf91ba8853f5758540e918486559ed4d9ce6

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

Filesize
2.8MB

MD5
a2ee23e1c6ca048c635bde8d197631a8

SHA1
9983cbd777a090b4ef2518fd40862f1925a419e9

SHA256
dba21175cccfd95b053c628b5162f3bf2af5fc9b0aaa0d2b384a6636a1921a67

SHA512
d42909e0aeb14bff6cd25867d927fdcb0d1fa88228a0d5059fa5ebca9db0cba6bc4f49f7ef99b33f2378cc5f007fbf91ba8853f5758540e918486559ed4d9ce6

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

Filesize
2.8MB

MD5
a2ee23e1c6ca048c635bde8d197631a8

SHA1
9983cbd777a090b4ef2518fd40862f1925a419e9

SHA256
dba21175cccfd95b053c628b5162f3bf2af5fc9b0aaa0d2b384a6636a1921a67

SHA512
d42909e0aeb14bff6cd25867d927fdcb0d1fa88228a0d5059fa5ebca9db0cba6bc4f49f7ef99b33f2378cc5f007fbf91ba8853f5758540e918486559ed4d9ce6

Download Submit
memory/404-133-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/404-135-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/404-134-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/404-234-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/404-136-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1456-256-0x0000000000E70000-0x00000000015AC000-memory.dmp

Filesize
7.2MB

Download
memory/1456-254-0x0000000000E70000-0x00000000015AC000-memory.dmp

Filesize
7.2MB

Download
memory/1456-253-0x0000000000E70000-0x00000000015AC000-memory.dmp

Filesize
7.2MB

Download
memory/1456-252-0x0000000000E70000-0x00000000015AC000-memory.dmp

Filesize
7.2MB

Download
memory/1456-255-0x0000000000E70000-0x00000000015AC000-memory.dmp

Filesize
7.2MB

Download
memory/1456-250-0x0000000000E70000-0x00000000015AC000-memory.dmp

Filesize
7.2MB

Download
memory/1456-251-0x0000000000E70000-0x00000000015AC000-memory.dmp

Filesize
7.2MB

Download
memory/1696-241-0x0000000000030000-0x000000000076C000-memory.dmp

Filesize
7.2MB

Download
memory/1696-248-0x0000000000030000-0x000000000076C000-memory.dmp

Filesize
7.2MB

Download
memory/1696-244-0x0000000000030000-0x000000000076C000-memory.dmp

Filesize
7.2MB

Download
memory/1696-242-0x0000000000030000-0x000000000076C000-memory.dmp

Filesize
7.2MB

Download
memory/1696-243-0x0000000000030000-0x000000000076C000-memory.dmp

Filesize
7.2MB

Download
memory/1696-240-0x0000000000030000-0x000000000076C000-memory.dmp

Filesize
7.2MB

Download
memory/1696-239-0x0000000000030000-0x000000000076C000-memory.dmp

Filesize
7.2MB

Download