cryptbot | 6d6a5f70a5f8d597d4074ac0c2d84dd9ed5f41aa39305f4260b831a03bec4569

Analysis

max time kernel
150s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
16-03-2023 14:21

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General

Target

21f1e57607e3734bd31d55b02f3fbb9e.exe
Size

791KB
MD5

21f1e57607e3734bd31d55b02f3fbb9e
SHA1

2653db1285efc7b847bb56a4e6a5434b03350ac5
SHA256

6d6a5f70a5f8d597d4074ac0c2d84dd9ed5f41aa39305f4260b831a03bec4569
SHA512

833a04a5edb72e31c5926907f317132c28b1d19be25d6f4fa74292d1da24eeb0f4a72968d0ae79d3c09e4d1e0010196ab92fab4e80385b690e96e28a3adca66c
SSDEEP

24576:eaO+WvtXJNDY+mfQ2p0WGstpe8gNZ4bG58b4H:ex+KZNDvmfd+WGsi4658M

Score

10^/10

cryptbot discovery evasion spyware stealer themida trojan

Malware Config

Extracted

Family

cryptbot

http://erniku42.top/gate.php

Attributes

payload_url
http://ovapfa05.top/unfele

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:

unfele.exeDpEditor.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	unfele.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.exeunfele.exe

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

21f1e57607e3734bd31d55b02f3fbb9e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	21f1e57607e3734bd31d55b02f3fbb9e.exe

Executes dropped EXE 2 IoCs

Processes:

unfele.exeDpEditor.exe

pid process

4936 unfele.exe
3060 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
4936	unfele.exe
3060	DpEditor.exe

Themida packer 18 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\F55C879F72287FBB\unfele.exe	themida
C:\Users\Admin\AppData\Roaming\F55C879F72287FBB\unfele.exe	themida
behavioral2/memory/4936-241-0x0000000000310000-0x00000000009FB000-memory.dmp	themida
behavioral2/memory/4936-242-0x0000000000310000-0x00000000009FB000-memory.dmp	themida
behavioral2/memory/4936-243-0x0000000000310000-0x00000000009FB000-memory.dmp	themida
behavioral2/memory/4936-244-0x0000000000310000-0x00000000009FB000-memory.dmp	themida
behavioral2/memory/4936-245-0x0000000000310000-0x00000000009FB000-memory.dmp	themida
behavioral2/memory/4936-246-0x0000000000310000-0x00000000009FB000-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/4936-250-0x0000000000310000-0x00000000009FB000-memory.dmp	themida
behavioral2/memory/3060-252-0x0000000000640000-0x0000000000D2B000-memory.dmp	themida
behavioral2/memory/3060-253-0x0000000000640000-0x0000000000D2B000-memory.dmp	themida
behavioral2/memory/3060-254-0x0000000000640000-0x0000000000D2B000-memory.dmp	themida
behavioral2/memory/3060-255-0x0000000000640000-0x0000000000D2B000-memory.dmp	themida
behavioral2/memory/3060-256-0x0000000000640000-0x0000000000D2B000-memory.dmp	themida
behavioral2/memory/3060-257-0x0000000000640000-0x0000000000D2B000-memory.dmp	themida
behavioral2/memory/3060-258-0x0000000000640000-0x0000000000D2B000-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:

unfele.exeDpEditor.exe

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

21f1e57607e3734bd31d55b02f3fbb9e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	21f1e57607e3734bd31d55b02f3fbb9e.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	21f1e57607e3734bd31d55b02f3fbb9e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

unfele.exeDpEditor.exe

pid process

4936 unfele.exe
3060 DpEditor.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

21f1e57607e3734bd31d55b02f3fbb9e.exe

description pid process target process

PID 372 set thread context of 4432 372 21f1e57607e3734bd31d55b02f3fbb9e.exe 21f1e57607e3734bd31d55b02f3fbb9e.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
4936	unfele.exe
3060	DpEditor.exe

description	pid	process	target process
PID 372 set thread context of 4432	372	21f1e57607e3734bd31d55b02f3fbb9e.exe	21f1e57607e3734bd31d55b02f3fbb9e.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:

21f1e57607e3734bd31d55b02f3fbb9e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	21f1e57607e3734bd31d55b02f3fbb9e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	21f1e57607e3734bd31d55b02f3fbb9e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	21f1e57607e3734bd31d55b02f3fbb9e.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

928 timeout.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

DpEditor.exe

pid process

3060 DpEditor.exe

pid	process
928	timeout.exe

pid	process
3060	DpEditor.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

21f1e57607e3734bd31d55b02f3fbb9e.exeunfele.exeDpEditor.exe

pid	process
4432	21f1e57607e3734bd31d55b02f3fbb9e.exe
4432	21f1e57607e3734bd31d55b02f3fbb9e.exe
4936	unfele.exe
4936	unfele.exe
3060	DpEditor.exe
3060	DpEditor.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

21f1e57607e3734bd31d55b02f3fbb9e.exe21f1e57607e3734bd31d55b02f3fbb9e.execmd.execmd.exeunfele.exe

description	pid	process	target process
PID 372 wrote to memory of 4432	372	21f1e57607e3734bd31d55b02f3fbb9e.exe	21f1e57607e3734bd31d55b02f3fbb9e.exe
PID 372 wrote to memory of 4432	372	21f1e57607e3734bd31d55b02f3fbb9e.exe	21f1e57607e3734bd31d55b02f3fbb9e.exe
PID 372 wrote to memory of 4432	372	21f1e57607e3734bd31d55b02f3fbb9e.exe	21f1e57607e3734bd31d55b02f3fbb9e.exe
PID 372 wrote to memory of 4432	372	21f1e57607e3734bd31d55b02f3fbb9e.exe	21f1e57607e3734bd31d55b02f3fbb9e.exe
PID 372 wrote to memory of 4432	372	21f1e57607e3734bd31d55b02f3fbb9e.exe	21f1e57607e3734bd31d55b02f3fbb9e.exe
PID 372 wrote to memory of 4432	372	21f1e57607e3734bd31d55b02f3fbb9e.exe	21f1e57607e3734bd31d55b02f3fbb9e.exe
PID 372 wrote to memory of 4432	372	21f1e57607e3734bd31d55b02f3fbb9e.exe	21f1e57607e3734bd31d55b02f3fbb9e.exe
PID 372 wrote to memory of 4432	372	21f1e57607e3734bd31d55b02f3fbb9e.exe	21f1e57607e3734bd31d55b02f3fbb9e.exe
PID 372 wrote to memory of 4432	372	21f1e57607e3734bd31d55b02f3fbb9e.exe	21f1e57607e3734bd31d55b02f3fbb9e.exe
PID 372 wrote to memory of 4432	372	21f1e57607e3734bd31d55b02f3fbb9e.exe	21f1e57607e3734bd31d55b02f3fbb9e.exe
PID 372 wrote to memory of 4432	372	21f1e57607e3734bd31d55b02f3fbb9e.exe	21f1e57607e3734bd31d55b02f3fbb9e.exe
PID 4432 wrote to memory of 1860	4432	21f1e57607e3734bd31d55b02f3fbb9e.exe	cmd.exe
PID 4432 wrote to memory of 1860	4432	21f1e57607e3734bd31d55b02f3fbb9e.exe	cmd.exe
PID 4432 wrote to memory of 1860	4432	21f1e57607e3734bd31d55b02f3fbb9e.exe	cmd.exe
PID 4432 wrote to memory of 4256	4432	21f1e57607e3734bd31d55b02f3fbb9e.exe	cmd.exe
PID 4432 wrote to memory of 4256	4432	21f1e57607e3734bd31d55b02f3fbb9e.exe	cmd.exe
PID 4432 wrote to memory of 4256	4432	21f1e57607e3734bd31d55b02f3fbb9e.exe	cmd.exe
PID 4256 wrote to memory of 928	4256	cmd.exe	timeout.exe
PID 4256 wrote to memory of 928	4256	cmd.exe	timeout.exe
PID 4256 wrote to memory of 928	4256	cmd.exe	timeout.exe
PID 1860 wrote to memory of 4936	1860	cmd.exe	unfele.exe
PID 1860 wrote to memory of 4936	1860	cmd.exe	unfele.exe
PID 1860 wrote to memory of 4936	1860	cmd.exe	unfele.exe
PID 4936 wrote to memory of 3060	4936	unfele.exe	DpEditor.exe
PID 4936 wrote to memory of 3060	4936	unfele.exe	DpEditor.exe
PID 4936 wrote to memory of 3060	4936	unfele.exe	DpEditor.exe

C:\Users\Admin\AppData\Local\Temp\21f1e57607e3734bd31d55b02f3fbb9e.exe
"C:\Users\Admin\AppData\Local\Temp\21f1e57607e3734bd31d55b02f3fbb9e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:372

C:\Users\Admin\AppData\Local\Temp\21f1e57607e3734bd31d55b02f3fbb9e.exe
"C:\Users\Admin\AppData\Local\Temp\21f1e57607e3734bd31d55b02f3fbb9e.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:4432

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\F55C879F72287FBB\unfele.exe
3⤵
- Suspicious use of WriteProcessMemory
PID:1860

C:\Users\Admin\AppData\Roaming\F55C879F72287FBB\unfele.exe
C:\Users\Admin\AppData\Roaming\F55C879F72287FBB\unfele.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:4936

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:3060

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\21f1e57607e3734bd31d55b02f3fbb9e.exe"
3⤵
- Suspicious use of WriteProcessMemory
PID:4256

C:\Windows\SysWOW64\timeout.exe
timeout -t 5
4⤵
- Delays execution with timeout.exe
PID:928

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\1284.tmp
Filesize
32B

MD5
18435224b67e2dce29d96efdf3369084

SHA1
3dc3ea4fc37493f0b223f416fcd8c28f331fbd88

SHA256
a7292bb308500cbe976fca209e0e02f5a22aa2ee51c6a603b32ab9e574bb0138

SHA512
66029de2edb19f78b1b5cfc6a15fd8d3d578c7eacf53ad5691cc25a084f2c332ccd87594fd850d822abf90670e6bfbb466fbc2ee0541beff0a94a039277acaf1

Download Submit
C:\Users\Admin\AppData\Local\Temp\1509.tmp
Filesize
71KB

MD5
53bf804f75123ed2339305be1d298398

SHA1
33a337e3e219da8ecd237b44fbcaf4864124a012

SHA256
7d6155b8b6c9a78a70af6be7df47f1dac5f40215f4a6ae431d1ee27c021888f8

SHA512
7611c75031b77b6098f1e70c1b27e0a95f259616f8b2f8acc734e371998badf321c10c9fb8669d61615673f0fb65787f0398966bda38cd430e009c83df00e16e

Download Submit
C:\Users\Admin\AppData\Local\Temp\2030.tmp
Filesize
2KB

MD5
b2446d155f77cf70a33bb0c25172fa3f

SHA1
c20d68dad9e872b4607a5677c4851f863c28daf7

SHA256
0faba9ea9b88b2982372c66b2eea8d6a5d99fc565c37db53ba6a4075619cfffb

SHA512
5d38e78c38f64a989570b431f7d2ef660c0678b3dc25baf3244499308535492de861a244e262720e36eeb4f8127eca62679c0b0383350c302783246191e82654

Download Submit
C:\Users\Admin\AppData\Roaming\F55C879F72287FBB\unfele.exe
Filesize
2.7MB

MD5
a7729b292d51fa985505d96f0414d3c1

SHA1
30a0d5fac038a662c98a5c96e647e8f00f5b24a2

SHA256
28bf6de04f62aa7bfd32ad237bade505e899df57bbfde31b46eee3818e5c705e

SHA512
bca001fbe8a7a5df36a0fa36ddd34a42a5f0591df3fff6987f7b1212a3b7d7a5528fb0fa393ae1a0d600477e2bc75a3075e1270d052000ac516d9ed585baafe4

Download Submit
C:\Users\Admin\AppData\Roaming\F55C879F72287FBB\unfele.exe
Filesize
2.7MB

MD5
a7729b292d51fa985505d96f0414d3c1

SHA1
30a0d5fac038a662c98a5c96e647e8f00f5b24a2

SHA256
28bf6de04f62aa7bfd32ad237bade505e899df57bbfde31b46eee3818e5c705e

SHA512
bca001fbe8a7a5df36a0fa36ddd34a42a5f0591df3fff6987f7b1212a3b7d7a5528fb0fa393ae1a0d600477e2bc75a3075e1270d052000ac516d9ed585baafe4

Download Submit
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
Filesize
2.7MB

MD5
a7729b292d51fa985505d96f0414d3c1

SHA1
30a0d5fac038a662c98a5c96e647e8f00f5b24a2

SHA256
28bf6de04f62aa7bfd32ad237bade505e899df57bbfde31b46eee3818e5c705e

SHA512
bca001fbe8a7a5df36a0fa36ddd34a42a5f0591df3fff6987f7b1212a3b7d7a5528fb0fa393ae1a0d600477e2bc75a3075e1270d052000ac516d9ed585baafe4

Download Submit
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
Filesize
2.7MB

MD5
a7729b292d51fa985505d96f0414d3c1

SHA1
30a0d5fac038a662c98a5c96e647e8f00f5b24a2

SHA256
28bf6de04f62aa7bfd32ad237bade505e899df57bbfde31b46eee3818e5c705e

SHA512
bca001fbe8a7a5df36a0fa36ddd34a42a5f0591df3fff6987f7b1212a3b7d7a5528fb0fa393ae1a0d600477e2bc75a3075e1270d052000ac516d9ed585baafe4

Download Submit
memory/3060-252-0x0000000000640000-0x0000000000D2B000-memory.dmp

Filesize
6.9MB

Download
memory/3060-253-0x0000000000640000-0x0000000000D2B000-memory.dmp

Filesize
6.9MB

Download
memory/3060-258-0x0000000000640000-0x0000000000D2B000-memory.dmp

Filesize
6.9MB

Download
memory/3060-257-0x0000000000640000-0x0000000000D2B000-memory.dmp

Filesize
6.9MB

Download
memory/3060-256-0x0000000000640000-0x0000000000D2B000-memory.dmp

Filesize
6.9MB

Download
memory/3060-255-0x0000000000640000-0x0000000000D2B000-memory.dmp

Filesize
6.9MB

Download
memory/3060-254-0x0000000000640000-0x0000000000D2B000-memory.dmp

Filesize
6.9MB

Download
memory/4432-135-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4432-133-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4432-236-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4432-173-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4432-234-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4432-134-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4432-136-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/4936-244-0x0000000000310000-0x00000000009FB000-memory.dmp

Filesize
6.9MB

Download
memory/4936-243-0x0000000000310000-0x00000000009FB000-memory.dmp

Filesize
6.9MB

Download
memory/4936-242-0x0000000000310000-0x00000000009FB000-memory.dmp

Filesize
6.9MB

Download
memory/4936-241-0x0000000000310000-0x00000000009FB000-memory.dmp

Filesize
6.9MB

Download
memory/4936-250-0x0000000000310000-0x00000000009FB000-memory.dmp

Filesize
6.9MB

Download
memory/4936-246-0x0000000000310000-0x00000000009FB000-memory.dmp

Filesize
6.9MB

Download
memory/4936-245-0x0000000000310000-0x00000000009FB000-memory.dmp

Filesize
6.9MB

Download