cryptbot | 40d1db94dc15e8042332d08a56ab9694cd27d86a124941fffd12ec4ee8dfe527

Analysis

max time kernel
142s
max time network
125s
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, 12:21

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General

Target

9c27c3c506f2c018c73d1ad20623e5d2.exe
Size

791KB
MD5

9c27c3c506f2c018c73d1ad20623e5d2
SHA1

236c8990a2133fe0a3ca2fa0498999a85893a7b5
SHA256

40d1db94dc15e8042332d08a56ab9694cd27d86a124941fffd12ec4ee8dfe527
SHA512

911984acfe90d4d4842e84a22c50b20bb35d6caa66bd7485faa727b678cb520a11bba70585a47263cc88a95ecff115135cabf91b649e03dc4610bc818628b3e0
SSDEEP

24576:qLsifA9O1vvbWxmS1oiSFLKAypX/Q+UcH:qLsifu0W0iSFL3AQ7k

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

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

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	9c27c3c506f2c018c73d1ad20623e5d2.exe

Executes dropped EXE 2 IoCs

pid	Process
4672	prebid.exe
2040	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

Themida packer 18 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/files/0x000800000002312c-240.dat	themida
behavioral2/files/0x000800000002312c-241.dat	themida
behavioral2/memory/4672-242-0x00000000009A0000-0x00000000010DC000-memory.dmp	themida
behavioral2/memory/4672-243-0x00000000009A0000-0x00000000010DC000-memory.dmp	themida
behavioral2/memory/4672-244-0x00000000009A0000-0x00000000010DC000-memory.dmp	themida
behavioral2/memory/4672-245-0x00000000009A0000-0x00000000010DC000-memory.dmp	themida
behavioral2/memory/4672-246-0x00000000009A0000-0x00000000010DC000-memory.dmp	themida
behavioral2/memory/4672-247-0x00000000009A0000-0x00000000010DC000-memory.dmp	themida
behavioral2/files/0x0006000000023139-250.dat	themida
behavioral2/memory/2040-253-0x0000000000CA0000-0x00000000013DC000-memory.dmp	themida
behavioral2/memory/4672-251-0x00000000009A0000-0x00000000010DC000-memory.dmp	themida
behavioral2/files/0x0006000000023139-252.dat	themida
behavioral2/memory/2040-254-0x0000000000CA0000-0x00000000013DC000-memory.dmp	themida
behavioral2/memory/2040-255-0x0000000000CA0000-0x00000000013DC000-memory.dmp	themida
behavioral2/memory/2040-256-0x0000000000CA0000-0x00000000013DC000-memory.dmp	themida
behavioral2/memory/2040-257-0x0000000000CA0000-0x00000000013DC000-memory.dmp	themida
behavioral2/memory/2040-258-0x0000000000CA0000-0x00000000013DC000-memory.dmp	themida
behavioral2/memory/2040-259-0x0000000000CA0000-0x00000000013DC000-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

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	9c27c3c506f2c018c73d1ad20623e5d2.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	9c27c3c506f2c018c73d1ad20623e5d2.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
4672	prebid.exe
2040	DpEditor.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2128 set thread context of 3812	2128	9c27c3c506f2c018c73d1ad20623e5d2.exe	86

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	9c27c3c506f2c018c73d1ad20623e5d2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	9c27c3c506f2c018c73d1ad20623e5d2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	9c27c3c506f2c018c73d1ad20623e5d2.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1584	timeout.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2040	DpEditor.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3812	9c27c3c506f2c018c73d1ad20623e5d2.exe
3812	9c27c3c506f2c018c73d1ad20623e5d2.exe
4672	prebid.exe
4672	prebid.exe
2040	DpEditor.exe
2040	DpEditor.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 3812	2128	9c27c3c506f2c018c73d1ad20623e5d2.exe	86
PID 2128 wrote to memory of 3812	2128	9c27c3c506f2c018c73d1ad20623e5d2.exe	86
PID 2128 wrote to memory of 3812	2128	9c27c3c506f2c018c73d1ad20623e5d2.exe	86
PID 2128 wrote to memory of 3812	2128	9c27c3c506f2c018c73d1ad20623e5d2.exe	86
PID 2128 wrote to memory of 3812	2128	9c27c3c506f2c018c73d1ad20623e5d2.exe	86
PID 2128 wrote to memory of 3812	2128	9c27c3c506f2c018c73d1ad20623e5d2.exe	86
PID 2128 wrote to memory of 3812	2128	9c27c3c506f2c018c73d1ad20623e5d2.exe	86
PID 2128 wrote to memory of 3812	2128	9c27c3c506f2c018c73d1ad20623e5d2.exe	86
PID 2128 wrote to memory of 3812	2128	9c27c3c506f2c018c73d1ad20623e5d2.exe	86
PID 2128 wrote to memory of 3812	2128	9c27c3c506f2c018c73d1ad20623e5d2.exe	86
PID 2128 wrote to memory of 3812	2128	9c27c3c506f2c018c73d1ad20623e5d2.exe	86
PID 3812 wrote to memory of 4312	3812	9c27c3c506f2c018c73d1ad20623e5d2.exe	90
PID 3812 wrote to memory of 4312	3812	9c27c3c506f2c018c73d1ad20623e5d2.exe	90
PID 3812 wrote to memory of 4312	3812	9c27c3c506f2c018c73d1ad20623e5d2.exe	90
PID 3812 wrote to memory of 3976	3812	9c27c3c506f2c018c73d1ad20623e5d2.exe	92
PID 3812 wrote to memory of 3976	3812	9c27c3c506f2c018c73d1ad20623e5d2.exe	92
PID 3812 wrote to memory of 3976	3812	9c27c3c506f2c018c73d1ad20623e5d2.exe	92
PID 4312 wrote to memory of 4672	4312	cmd.exe	94
PID 4312 wrote to memory of 4672	4312	cmd.exe	94
PID 4312 wrote to memory of 4672	4312	cmd.exe	94
PID 3976 wrote to memory of 1584	3976	cmd.exe	95
PID 3976 wrote to memory of 1584	3976	cmd.exe	95
PID 3976 wrote to memory of 1584	3976	cmd.exe	95
PID 4672 wrote to memory of 2040	4672	prebid.exe	99
PID 4672 wrote to memory of 2040	4672	prebid.exe	99
PID 4672 wrote to memory of 2040	4672	prebid.exe	99

C:\Users\Admin\AppData\Local\Temp\9c27c3c506f2c018c73d1ad20623e5d2.exe
"C:\Users\Admin\AppData\Local\Temp\9c27c3c506f2c018c73d1ad20623e5d2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Users\Admin\AppData\Local\Temp\9c27c3c506f2c018c73d1ad20623e5d2.exe
  "C:\Users\Admin\AppData\Local\Temp\9c27c3c506f2c018c73d1ad20623e5d2.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:3812
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\2F433E8539E8C4AC\prebid.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4312
  - - C:\Users\Admin\AppData\Roaming\2F433E8539E8C4AC\prebid.exe
      C:\Users\Admin\AppData\Roaming\2F433E8539E8C4AC\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:4672
    - - 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:2040
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\9c27c3c506f2c018c73d1ad20623e5d2.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3976
  - - C:\Windows\SysWOW64\timeout.exe
      timeout -t 5
      4⤵
      Delays execution with timeout.exe
      PID:1584

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\72AA.tmp

Filesize
32B

MD5
6bb6e374b5dbd021622648b4d4e9afc7

SHA1
df356bb84780e332c960769d552f67d1f5221cce

SHA256
6546a2ec37419190b5f256f2c09efd90f8dd11fe98e5ae4521f8e07ecd64a2aa

SHA512
42b05356304dbbf2dd1ba7c7bc8dd2fcfc908d80fcd7c25771a3722ac946fd04575591d530e802799f8c17d9622db361f76b69c3985fd1ee63fce38777938644

Download Submit
C:\Users\Admin\AppData\Local\Temp\74D1.tmp

Filesize
71KB

MD5
92d24961d2ebaacf1ace5463dfc9930d

SHA1
99ffaf6904ab616c33a37ce01d383e4a493df335

SHA256
9013688dec264c615178e151c2eb5f0b2eb9fe8cfad867b311d8581d921c73f3

SHA512
77598c77f219ab5234b8b84bcfe873f40e7464b224fac3c8568b300d3f2563f7ef5ad9ec5cccc0d719e7d3e489a164b04b6b36316196afea0b8051de3c751cc7

Download Submit
C:\Users\Admin\AppData\Local\Temp\7C4F.tmp

Filesize
2KB

MD5
dce9b749d38fdc247ab517e8a76e6102

SHA1
d6c5b6548e1a3da3326bd097c50c49fc7906be3f

SHA256
5087b8c7f2cecceac61d7bd02b939888cf2cc5a452676f28fd5c076eb1ae7ea7

SHA512
56c276f0a070da656c98520aa720994d78f1bf0bbb085a5f6fb4fd18fed2bbba1eb8e97b54d58eaa9a978d21d64678170f49c020feb19d8545d158a2d8d58446

Download Submit
C:\Users\Admin\AppData\Roaming\2F433E8539E8C4AC\prebid.exe

Filesize
2.8MB

MD5
a2ee23e1c6ca048c635bde8d197631a8

SHA1
9983cbd777a090b4ef2518fd40862f1925a419e9

SHA256
dba21175cccfd95b053c628b5162f3bf2af5fc9b0aaa0d2b384a6636a1921a67

SHA512
d42909e0aeb14bff6cd25867d927fdcb0d1fa88228a0d5059fa5ebca9db0cba6bc4f49f7ef99b33f2378cc5f007fbf91ba8853f5758540e918486559ed4d9ce6

Download Submit
C:\Users\Admin\AppData\Roaming\2F433E8539E8C4AC\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/2040-257-0x0000000000CA0000-0x00000000013DC000-memory.dmp

Filesize
7.2MB

Download
memory/2040-259-0x0000000000CA0000-0x00000000013DC000-memory.dmp

Filesize
7.2MB

Download
memory/2040-258-0x0000000000CA0000-0x00000000013DC000-memory.dmp

Filesize
7.2MB

Download
memory/2040-256-0x0000000000CA0000-0x00000000013DC000-memory.dmp

Filesize
7.2MB

Download
memory/2040-255-0x0000000000CA0000-0x00000000013DC000-memory.dmp

Filesize
7.2MB

Download
memory/2040-253-0x0000000000CA0000-0x00000000013DC000-memory.dmp

Filesize
7.2MB

Download
memory/2040-254-0x0000000000CA0000-0x00000000013DC000-memory.dmp

Filesize
7.2MB

Download
memory/3812-237-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/3812-134-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/3812-133-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/3812-136-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/3812-135-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4672-244-0x00000000009A0000-0x00000000010DC000-memory.dmp

Filesize
7.2MB

Download
memory/4672-251-0x00000000009A0000-0x00000000010DC000-memory.dmp

Filesize
7.2MB

Download
memory/4672-247-0x00000000009A0000-0x00000000010DC000-memory.dmp

Filesize
7.2MB

Download
memory/4672-246-0x00000000009A0000-0x00000000010DC000-memory.dmp

Filesize
7.2MB

Download
memory/4672-245-0x00000000009A0000-0x00000000010DC000-memory.dmp

Filesize
7.2MB

Download
memory/4672-243-0x00000000009A0000-0x00000000010DC000-memory.dmp

Filesize
7.2MB

Download
memory/4672-242-0x00000000009A0000-0x00000000010DC000-memory.dmp

Filesize
7.2MB

Download