cryptbot | a3790ffc270f68f6148736aaa154fc226ba600bdf5f07254998d17b8b4c99746

Analysis

max time kernel
4294180s
max time network
124s
platform
windows7_x64
resource
win7-20220223-en
submitted
26-02-2022 08:23

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General

Target

7390d4b623389f2238b17b94e6de42d7.exe
Size

744KB
MD5

7390d4b623389f2238b17b94e6de42d7
SHA1

5f49bfbad45dfa04f510abe85c5cf56c5ddadfb1
SHA256

a3790ffc270f68f6148736aaa154fc226ba600bdf5f07254998d17b8b4c99746
SHA512

22b74f1b62981cdaa2d072e03de916bc52bf8893c28b3b722c6bc3ec8ad75fbce785665714ed25bb67b40b6028e8cc77c8ea0f9176cc2f810a607e568e82b05e

Score

10^/10

cryptbot spyware stealer

Malware Config

Extracted

Family

cryptbot

bridmz52.top

Signatures

CryptBot
A C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot

Deletes itself 1 IoCs

pid	Process
340	cmd.exe

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 2 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	7390d4b623389f2238b17b94e6de42d7.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	7390d4b623389f2238b17b94e6de42d7.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1260	timeout.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1784 wrote to memory of 340	1784	7390d4b623389f2238b17b94e6de42d7.exe	27
PID 1784 wrote to memory of 340	1784	7390d4b623389f2238b17b94e6de42d7.exe	27
PID 1784 wrote to memory of 340	1784	7390d4b623389f2238b17b94e6de42d7.exe	27
PID 1784 wrote to memory of 340	1784	7390d4b623389f2238b17b94e6de42d7.exe	27
PID 340 wrote to memory of 1260	340	cmd.exe	29
PID 340 wrote to memory of 1260	340	cmd.exe	29
PID 340 wrote to memory of 1260	340	cmd.exe	29
PID 340 wrote to memory of 1260	340	cmd.exe	29

C:\Users\Admin\AppData\Local\Temp\7390d4b623389f2238b17b94e6de42d7.exe
"C:\Users\Admin\AppData\Local\Temp\7390d4b623389f2238b17b94e6de42d7.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1784
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\OYOajHcgl & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\7390d4b623389f2238b17b94e6de42d7.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:340
- - C:\Windows\SysWOW64\timeout.exe
    timeout 4
    3⤵
    - Delays execution with timeout.exe
    PID:1260

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/1784-54-0x0000000000390000-0x00000000003F0000-memory.dmp

Filesize
384KB

Download
memory/1784-56-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download
memory/1784-55-0x0000000002250000-0x0000000002251000-memory.dmp

Filesize
4KB

Download
memory/1784-57-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/1784-59-0x0000000002230000-0x0000000002231000-memory.dmp

Filesize
4KB

Download
memory/1784-58-0x0000000075251000-0x0000000075253000-memory.dmp

Filesize
8KB

Download
memory/1784-60-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/1784-61-0x0000000002580000-0x0000000002581000-memory.dmp

Filesize
4KB

Download
memory/1784-62-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/1784-63-0x00000000025A0000-0x00000000025A1000-memory.dmp

Filesize
4KB

Download
memory/1784-64-0x0000000003270000-0x0000000003271000-memory.dmp

Filesize
4KB

Download
memory/1784-66-0x0000000003360000-0x00000000033A7000-memory.dmp

Filesize
284KB

Download
memory/1784-65-0x0000000003260000-0x0000000003261000-memory.dmp

Filesize
4KB

Download
memory/1784-67-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/1784-69-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download
memory/1784-71-0x0000000000710000-0x0000000000711000-memory.dmp

Filesize
4KB

Download
memory/1784-73-0x00000000006E0000-0x00000000006E1000-memory.dmp

Filesize
4KB

Download
memory/1784-77-0x0000000000720000-0x0000000000721000-memory.dmp

Filesize
4KB

Download
memory/1784-75-0x00000000006A0000-0x00000000006A1000-memory.dmp

Filesize
4KB

Download
memory/1784-79-0x00000000032B0000-0x00000000032B1000-memory.dmp

Filesize
4KB

Download
memory/1784-78-0x00000000032C0000-0x00000000032C1000-memory.dmp

Filesize
4KB

Download
memory/1784-80-0x0000000003361000-0x0000000003395000-memory.dmp

Filesize
208KB

Download
memory/1784-81-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/1784-82-0x0000000002150000-0x0000000002151000-memory.dmp

Filesize
4KB

Download
memory/1784-83-0x00000000021B0000-0x00000000021B1000-memory.dmp

Filesize
4KB

Download
memory/1784-84-0x0000000002140000-0x0000000002141000-memory.dmp

Filesize
4KB

Download
memory/1784-85-0x0000000002210000-0x0000000002211000-memory.dmp

Filesize
4KB

Download
memory/1784-86-0x0000000002180000-0x0000000002181000-memory.dmp

Filesize
4KB

Download
memory/1784-87-0x00000000021C0000-0x00000000021C1000-memory.dmp

Filesize
4KB

Download
memory/1784-88-0x0000000003310000-0x0000000003311000-memory.dmp

Filesize
4KB

Download
memory/1784-90-0x0000000002600000-0x0000000002601000-memory.dmp

Filesize
4KB

Download
memory/1784-89-0x0000000002610000-0x0000000002611000-memory.dmp

Filesize
4KB

Download
memory/1784-92-0x00000000025F0000-0x00000000025F1000-memory.dmp

Filesize
4KB

Download
memory/1784-91-0x0000000002660000-0x0000000002661000-memory.dmp

Filesize
4KB

Download
memory/1784-94-0x0000000002630000-0x0000000002631000-memory.dmp

Filesize
4KB

Download
memory/1784-93-0x0000000002680000-0x0000000002681000-memory.dmp

Filesize
4KB

Download
memory/1784-95-0x0000000002670000-0x0000000002671000-memory.dmp

Filesize
4KB

Download
memory/1784-96-0x0000000002620000-0x0000000002621000-memory.dmp

Filesize
4KB

Download
memory/1784-98-0x00000000032D0000-0x00000000032D1000-memory.dmp

Filesize
4KB

Download
memory/1784-97-0x00000000032E0000-0x00000000032E1000-memory.dmp

Filesize
4KB

Download