cryptbot | 60e6e0f067230326553fef06a25719c538bc8bd9c9a2de543adc3d846e121672

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-en-20211208
submitted
24-02-2022 07:07

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General

Target

2283ad65576252b5a4f007cffb8e5d24.exe
Size

1.6MB
MD5

2283ad65576252b5a4f007cffb8e5d24
SHA1

b5e19334955cd572e8535063a7bd38dd6561d957
SHA256

60e6e0f067230326553fef06a25719c538bc8bd9c9a2de543adc3d846e121672
SHA512

99a837a916feca345bb1a0e103408df782dbaafc99377f6f5e0b720b0689da12d4b674dc79ee3afc19db406bc67691ee39c3d842101a2b061b874456d2e5582a

Score

10^/10

cryptbot spyware stealer

Malware Config

Extracted

Family

cryptbot

brikwl42.top

Signatures

CryptBot
A C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1812 cmd.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
1812	cmd.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

2283ad65576252b5a4f007cffb8e5d24.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	2283ad65576252b5a4f007cffb8e5d24.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	2283ad65576252b5a4f007cffb8e5d24.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1084 timeout.exe

pid	process
1084	timeout.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

2283ad65576252b5a4f007cffb8e5d24.execmd.exe

description	pid	process	target process
PID 1636 wrote to memory of 1812	1636	2283ad65576252b5a4f007cffb8e5d24.exe	cmd.exe
PID 1636 wrote to memory of 1812	1636	2283ad65576252b5a4f007cffb8e5d24.exe	cmd.exe
PID 1636 wrote to memory of 1812	1636	2283ad65576252b5a4f007cffb8e5d24.exe	cmd.exe
PID 1636 wrote to memory of 1812	1636	2283ad65576252b5a4f007cffb8e5d24.exe	cmd.exe
PID 1812 wrote to memory of 1084	1812	cmd.exe	timeout.exe
PID 1812 wrote to memory of 1084	1812	cmd.exe	timeout.exe
PID 1812 wrote to memory of 1084	1812	cmd.exe	timeout.exe
PID 1812 wrote to memory of 1084	1812	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\2283ad65576252b5a4f007cffb8e5d24.exe
"C:\Users\Admin\AppData\Local\Temp\2283ad65576252b5a4f007cffb8e5d24.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\dTHsbyqsWi & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\2283ad65576252b5a4f007cffb8e5d24.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1812
- - C:\Windows\SysWOW64\timeout.exe
    timeout 4
    3⤵
    - Delays execution with timeout.exe
    PID:1084

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1636-55-0x00000000005B0000-0x0000000000610000-memory.dmp

Filesize
384KB

Download
memory/1636-56-0x0000000075801000-0x0000000075803000-memory.dmp

Filesize
8KB

Download
memory/1636-57-0x0000000003430000-0x0000000003477000-memory.dmp

Filesize
284KB

Download
memory/1636-63-0x0000000002630000-0x0000000002631000-memory.dmp

Filesize
4KB

Download
memory/1636-64-0x0000000002620000-0x0000000002621000-memory.dmp

Filesize
4KB

Download
memory/1636-65-0x0000000002680000-0x0000000002681000-memory.dmp

Filesize
4KB

Download
memory/1636-66-0x0000000002610000-0x0000000002611000-memory.dmp

Filesize
4KB

Download
memory/1636-67-0x00000000026A0000-0x00000000026A1000-memory.dmp

Filesize
4KB

Download
memory/1636-68-0x0000000002650000-0x0000000002651000-memory.dmp

Filesize
4KB

Download
memory/1636-69-0x0000000002690000-0x0000000002691000-memory.dmp

Filesize
4KB

Download
memory/1636-70-0x0000000002670000-0x0000000002671000-memory.dmp

Filesize
4KB

Download
memory/1636-71-0x0000000003340000-0x0000000003341000-memory.dmp

Filesize
4KB

Download
memory/1636-72-0x0000000003330000-0x0000000003331000-memory.dmp

Filesize
4KB

Download
memory/1636-74-0x0000000000990000-0x0000000000991000-memory.dmp

Filesize
4KB

Download
memory/1636-73-0x00000000009A0000-0x00000000009A1000-memory.dmp

Filesize
4KB

Download
memory/1636-76-0x00000000009C0000-0x00000000009C1000-memory.dmp

Filesize
4KB

Download
memory/1636-75-0x0000000002470000-0x0000000002471000-memory.dmp

Filesize
4KB

Download
memory/1636-78-0x0000000002480000-0x0000000002481000-memory.dmp

Filesize
4KB

Download
memory/1636-77-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download
memory/1636-80-0x0000000002570000-0x0000000002571000-memory.dmp

Filesize
4KB

Download
memory/1636-79-0x0000000002580000-0x0000000002581000-memory.dmp

Filesize
4KB

Download
memory/1636-81-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/1636-82-0x0000000002560000-0x0000000002561000-memory.dmp

Filesize
4KB

Download
memory/1636-83-0x00000000025F0000-0x00000000025F1000-memory.dmp

Filesize
4KB

Download
memory/1636-84-0x00000000025A0000-0x00000000025A1000-memory.dmp

Filesize
4KB

Download
memory/1636-85-0x00000000025E0000-0x00000000025E1000-memory.dmp

Filesize
4KB

Download
memory/1636-86-0x00000000033E0000-0x00000000033E1000-memory.dmp

Filesize
4KB

Download
memory/1636-88-0x00000000026D0000-0x00000000026D1000-memory.dmp

Filesize
4KB

Download
memory/1636-87-0x00000000026E0000-0x00000000026E1000-memory.dmp

Filesize
4KB

Download
memory/1636-90-0x00000000026C0000-0x00000000026C1000-memory.dmp

Filesize
4KB

Download
memory/1636-89-0x0000000002730000-0x0000000002731000-memory.dmp

Filesize
4KB

Download
memory/1636-92-0x0000000002700000-0x0000000002701000-memory.dmp

Filesize
4KB

Download
memory/1636-91-0x0000000002750000-0x0000000002751000-memory.dmp

Filesize
4KB

Download
memory/1636-93-0x0000000002740000-0x0000000002741000-memory.dmp

Filesize
4KB

Download
memory/1636-94-0x00000000026F0000-0x00000000026F1000-memory.dmp

Filesize
4KB

Download
memory/1636-96-0x00000000033A0000-0x00000000033A1000-memory.dmp

Filesize
4KB

Download
memory/1636-95-0x00000000033B0000-0x00000000033B1000-memory.dmp

Filesize
4KB

Download
memory/1636-98-0x0000000003380000-0x0000000003381000-memory.dmp

Filesize
4KB

Download
memory/1636-97-0x0000000003390000-0x0000000003391000-memory.dmp

Filesize
4KB

Download
memory/1636-99-0x0000000003431000-0x0000000003465000-memory.dmp

Filesize
208KB

Download