cryptbot | 40d1db94dc15e8042332d08a56ab9694cd27d86a124941fffd12ec4ee8dfe527

Analysis

max time kernel
140s
max time network
28s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-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	prebid.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	prebid.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	DpEditor.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	DpEditor.exe

Deletes itself 1 IoCs

pid	Process
1244	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
1152	prebid.exe
1500	DpEditor.exe

Loads dropped DLL 2 IoCs

pid	Process
1036	cmd.exe
1152	prebid.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 20 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/files/0x0007000000013148-143.dat	themida
behavioral1/files/0x0007000000013148-142.dat	themida
behavioral1/files/0x0007000000013148-144.dat	themida
behavioral1/memory/1152-145-0x0000000000A00000-0x000000000113C000-memory.dmp	themida
behavioral1/memory/1152-146-0x0000000000A00000-0x000000000113C000-memory.dmp	themida
behavioral1/memory/1152-147-0x0000000000A00000-0x000000000113C000-memory.dmp	themida
behavioral1/memory/1152-148-0x0000000000A00000-0x000000000113C000-memory.dmp	themida
behavioral1/memory/1152-150-0x0000000000A00000-0x000000000113C000-memory.dmp	themida
behavioral1/memory/1152-151-0x0000000000A00000-0x000000000113C000-memory.dmp	themida
behavioral1/files/0x00070000000132ef-153.dat	themida
behavioral1/memory/1152-156-0x0000000000A00000-0x000000000113C000-memory.dmp	themida
behavioral1/files/0x00070000000132ef-157.dat	themida
behavioral1/memory/1500-158-0x0000000000230000-0x000000000096C000-memory.dmp	themida
behavioral1/memory/1500-159-0x0000000000230000-0x000000000096C000-memory.dmp	themida
behavioral1/memory/1500-160-0x0000000000230000-0x000000000096C000-memory.dmp	themida
behavioral1/memory/1500-161-0x0000000000230000-0x000000000096C000-memory.dmp	themida
behavioral1/memory/1500-162-0x0000000000230000-0x000000000096C000-memory.dmp	themida
behavioral1/memory/1500-163-0x0000000000230000-0x000000000096C000-memory.dmp	themida
behavioral1/memory/1500-164-0x0000000000230000-0x000000000096C000-memory.dmp	themida
behavioral1/memory/1500-165-0x0000000000230000-0x000000000096C000-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
1152	prebid.exe
1500	DpEditor.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1604 set thread context of 1952	1604	9c27c3c506f2c018c73d1ad20623e5d2.exe	28

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
1596	timeout.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1500	DpEditor.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1952	9c27c3c506f2c018c73d1ad20623e5d2.exe
1152	prebid.exe
1500	DpEditor.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1604 wrote to memory of 1952	1604	9c27c3c506f2c018c73d1ad20623e5d2.exe	28
PID 1604 wrote to memory of 1952	1604	9c27c3c506f2c018c73d1ad20623e5d2.exe	28
PID 1604 wrote to memory of 1952	1604	9c27c3c506f2c018c73d1ad20623e5d2.exe	28
PID 1604 wrote to memory of 1952	1604	9c27c3c506f2c018c73d1ad20623e5d2.exe	28
PID 1604 wrote to memory of 1952	1604	9c27c3c506f2c018c73d1ad20623e5d2.exe	28
PID 1604 wrote to memory of 1952	1604	9c27c3c506f2c018c73d1ad20623e5d2.exe	28
PID 1604 wrote to memory of 1952	1604	9c27c3c506f2c018c73d1ad20623e5d2.exe	28
PID 1604 wrote to memory of 1952	1604	9c27c3c506f2c018c73d1ad20623e5d2.exe	28
PID 1604 wrote to memory of 1952	1604	9c27c3c506f2c018c73d1ad20623e5d2.exe	28
PID 1604 wrote to memory of 1952	1604	9c27c3c506f2c018c73d1ad20623e5d2.exe	28
PID 1604 wrote to memory of 1952	1604	9c27c3c506f2c018c73d1ad20623e5d2.exe	28
PID 1604 wrote to memory of 1952	1604	9c27c3c506f2c018c73d1ad20623e5d2.exe	28
PID 1952 wrote to memory of 1036	1952	9c27c3c506f2c018c73d1ad20623e5d2.exe	30
PID 1952 wrote to memory of 1036	1952	9c27c3c506f2c018c73d1ad20623e5d2.exe	30
PID 1952 wrote to memory of 1036	1952	9c27c3c506f2c018c73d1ad20623e5d2.exe	30
PID 1952 wrote to memory of 1036	1952	9c27c3c506f2c018c73d1ad20623e5d2.exe	30
PID 1952 wrote to memory of 1244	1952	9c27c3c506f2c018c73d1ad20623e5d2.exe	32
PID 1952 wrote to memory of 1244	1952	9c27c3c506f2c018c73d1ad20623e5d2.exe	32
PID 1952 wrote to memory of 1244	1952	9c27c3c506f2c018c73d1ad20623e5d2.exe	32
PID 1952 wrote to memory of 1244	1952	9c27c3c506f2c018c73d1ad20623e5d2.exe	32
PID 1036 wrote to memory of 1152	1036	cmd.exe	34
PID 1036 wrote to memory of 1152	1036	cmd.exe	34
PID 1036 wrote to memory of 1152	1036	cmd.exe	34
PID 1036 wrote to memory of 1152	1036	cmd.exe	34
PID 1244 wrote to memory of 1596	1244	cmd.exe	35
PID 1244 wrote to memory of 1596	1244	cmd.exe	35
PID 1244 wrote to memory of 1596	1244	cmd.exe	35
PID 1244 wrote to memory of 1596	1244	cmd.exe	35
PID 1152 wrote to memory of 1500	1152	prebid.exe	36
PID 1152 wrote to memory of 1500	1152	prebid.exe	36
PID 1152 wrote to memory of 1500	1152	prebid.exe	36
PID 1152 wrote to memory of 1500	1152	prebid.exe	36

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:1604
- C:\Users\Admin\AppData\Local\Temp\9c27c3c506f2c018c73d1ad20623e5d2.exe
  "C:\Users\Admin\AppData\Local\Temp\9c27c3c506f2c018c73d1ad20623e5d2.exe"
  2⤵
  - Maps connected drives based on registry
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1952
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\C7623F2CCCDD67C6\prebid.exe
    3⤵
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:1036
  - - C:\Users\Admin\AppData\Roaming\C7623F2CCCDD67C6\prebid.exe
      C:\Users\Admin\AppData\Roaming\C7623F2CCCDD67C6\prebid.exe
      4⤵
      Identifies VirtualBox via ACPI registry values (likely anti-VM)
      Checks BIOS information in registry
      Executes dropped EXE
      Loads dropped DLL
      Checks whether UAC is enabled
      Suspicious use of NtSetInformationThreadHideFromDebugger
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:1152
    - - 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:1500
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\9c27c3c506f2c018c73d1ad20623e5d2.exe"
    3⤵
    - Deletes itself
    - Suspicious use of WriteProcessMemory
    PID:1244
  - - C:\Windows\SysWOW64\timeout.exe
      timeout -t 5
      4⤵
      Delays execution with timeout.exe
      PID:1596

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\1665.tmp

Filesize
32B

MD5
48255136fc205998b4ebbe6f72b5cdd0

SHA1
c6f2c7fdd75a999a61ddfb5b4923d6a0dad917b1

SHA256
00523df8a35803806212867d9f6ab89d17a1bfdd3aef5fbb1dc10fcd6faa114c

SHA512
c74a7e214f93d124aed393e00f720ac91ca46328f4edf710b26235145b676003261943e4779acbc52ef14667a78636968c04c1065ac5cc70ba9f54d6ab0226de

Download Submit
C:\Users\Admin\AppData\Local\Temp\1714.tmp

Filesize
71KB

MD5
6082dd13ad8102d17f9db9cd07600e97

SHA1
39becc88cea914d843b3c5521038907f2f2f4e71

SHA256
40a3f938c8c1eb929771c444d5f8887c42c7cde6281690e2071a2593ba92e48a

SHA512
b7d5c716b6339b3138492c8b0cf4c9540a8d8224f9d5e72e34ceab442bdfa9c855473bbed68a489851f019461e1b1f9d86baf067be556c67b948c930899d3c1e

Download Submit
C:\Users\Admin\AppData\Roaming\C7623F2CCCDD67C6\prebid.exe

Filesize
2.8MB

MD5
a2ee23e1c6ca048c635bde8d197631a8

SHA1
9983cbd777a090b4ef2518fd40862f1925a419e9

SHA256
dba21175cccfd95b053c628b5162f3bf2af5fc9b0aaa0d2b384a6636a1921a67

SHA512
d42909e0aeb14bff6cd25867d927fdcb0d1fa88228a0d5059fa5ebca9db0cba6bc4f49f7ef99b33f2378cc5f007fbf91ba8853f5758540e918486559ed4d9ce6

Download Submit
C:\Users\Admin\AppData\Roaming\C7623F2CCCDD67C6\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
\Users\Admin\AppData\Roaming\C7623F2CCCDD67C6\prebid.exe

Filesize
2.8MB

MD5
a2ee23e1c6ca048c635bde8d197631a8

SHA1
9983cbd777a090b4ef2518fd40862f1925a419e9

SHA256
dba21175cccfd95b053c628b5162f3bf2af5fc9b0aaa0d2b384a6636a1921a67

SHA512
d42909e0aeb14bff6cd25867d927fdcb0d1fa88228a0d5059fa5ebca9db0cba6bc4f49f7ef99b33f2378cc5f007fbf91ba8853f5758540e918486559ed4d9ce6

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

Filesize
2.8MB

MD5
a2ee23e1c6ca048c635bde8d197631a8

SHA1
9983cbd777a090b4ef2518fd40862f1925a419e9

SHA256
dba21175cccfd95b053c628b5162f3bf2af5fc9b0aaa0d2b384a6636a1921a67

SHA512
d42909e0aeb14bff6cd25867d927fdcb0d1fa88228a0d5059fa5ebca9db0cba6bc4f49f7ef99b33f2378cc5f007fbf91ba8853f5758540e918486559ed4d9ce6

Download Submit
memory/1036-149-0x0000000001FF0000-0x000000000272C000-memory.dmp

Filesize
7.2MB

Download
memory/1152-145-0x0000000000A00000-0x000000000113C000-memory.dmp

Filesize
7.2MB

Download
memory/1152-156-0x0000000000A00000-0x000000000113C000-memory.dmp

Filesize
7.2MB

Download
memory/1152-151-0x0000000000A00000-0x000000000113C000-memory.dmp

Filesize
7.2MB

Download
memory/1152-150-0x0000000000A00000-0x000000000113C000-memory.dmp

Filesize
7.2MB

Download
memory/1152-148-0x0000000000A00000-0x000000000113C000-memory.dmp

Filesize
7.2MB

Download
memory/1152-147-0x0000000000A00000-0x000000000113C000-memory.dmp

Filesize
7.2MB

Download
memory/1152-146-0x0000000000A00000-0x000000000113C000-memory.dmp

Filesize
7.2MB

Download
memory/1500-159-0x0000000000230000-0x000000000096C000-memory.dmp

Filesize
7.2MB

Download
memory/1500-158-0x0000000000230000-0x000000000096C000-memory.dmp

Filesize
7.2MB

Download
memory/1500-165-0x0000000000230000-0x000000000096C000-memory.dmp

Filesize
7.2MB

Download
memory/1500-164-0x0000000000230000-0x000000000096C000-memory.dmp

Filesize
7.2MB

Download
memory/1500-163-0x0000000000230000-0x000000000096C000-memory.dmp

Filesize
7.2MB

Download
memory/1500-162-0x0000000000230000-0x000000000096C000-memory.dmp

Filesize
7.2MB

Download
memory/1500-161-0x0000000000230000-0x000000000096C000-memory.dmp

Filesize
7.2MB

Download
memory/1500-160-0x0000000000230000-0x000000000096C000-memory.dmp

Filesize
7.2MB

Download
memory/1952-54-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1952-56-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1952-62-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1952-55-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1952-64-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1952-61-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1952-65-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1952-60-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1952-59-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1952-140-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1952-58-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1952-57-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download