cryptbot | 47645d9d542514f8130edba34dda2664a0f8c402e249d5ffc1a047b45c58ae0c

Analysis

max time kernel
168s
max time network
179s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 19:34

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General

Target
01dff24348b7f75a6aee0b7e559c589d.exe
Size 1.7MB
Sample231229-x965mafdf7
SHA256 47645d9d542514f8130edba34dda2664a0f8c402e249d5ffc1a047b45c58ae0c
MD5 01dff24348b7f75a6aee0b7e559c589d
SHA1 cf444d7254b692f5c463ff493428539a2739269a
SHA512 c33489549f04491a07ba3147d0de420495cd06d6d1229ea831d66a8b433637de12449d5b15eb5051c41e3abed103682b207e5f65e9ac5a95dc63016d45238ea2
SSDEEP 49152:7xncOOOJdVBqDSjmWiKtWtNSm9JM/E5Ru7vn+2YYG:1cOOOJvBESuNSi2KqLY9
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

cryptbot persistence spyware stealer

Malware Config

Extracted

Family

cryptbot

ewamcd41.top
morjau04.top

Attributes

payload_url
http://winhaf05.top/download.php?file=lv.exe

Signatures

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

CryptBot payload 4 IoCs

resource	yara_rule
behavioral2/memory/2548-26-0x0000000005320000-0x00000000053C3000-memory.dmp	family_cryptbot
behavioral2/memory/2548-27-0x0000000005320000-0x00000000053C3000-memory.dmp	family_cryptbot
behavioral2/memory/2548-28-0x0000000005320000-0x00000000053C3000-memory.dmp	family_cryptbot
behavioral2/memory/2548-29-0x0000000005320000-0x00000000053C3000-memory.dmp	family_cryptbot

Executes dropped EXE 2 IoCs

pid	Process
844	Ero.exe.com
2548	Ero.exe.com

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
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	01dff24348b7f75a6aee0b7e559c589d.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Ero.exe.com
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Ero.exe.com

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2448	PING.EXE

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 3600	1804	01dff24348b7f75a6aee0b7e559c589d.exe	97
PID 1804 wrote to memory of 3600	1804	01dff24348b7f75a6aee0b7e559c589d.exe	97
PID 1804 wrote to memory of 3600	1804	01dff24348b7f75a6aee0b7e559c589d.exe	97
PID 1804 wrote to memory of 840	1804	01dff24348b7f75a6aee0b7e559c589d.exe	99
PID 1804 wrote to memory of 840	1804	01dff24348b7f75a6aee0b7e559c589d.exe	99
PID 1804 wrote to memory of 840	1804	01dff24348b7f75a6aee0b7e559c589d.exe	99
PID 840 wrote to memory of 5060	840	cmd.exe	101
PID 840 wrote to memory of 5060	840	cmd.exe	101
PID 840 wrote to memory of 5060	840	cmd.exe	101
PID 5060 wrote to memory of 3488	5060	cmd.exe	102
PID 5060 wrote to memory of 3488	5060	cmd.exe	102
PID 5060 wrote to memory of 3488	5060	cmd.exe	102
PID 5060 wrote to memory of 844	5060	cmd.exe	103
PID 5060 wrote to memory of 844	5060	cmd.exe	103
PID 5060 wrote to memory of 844	5060	cmd.exe	103
PID 5060 wrote to memory of 2448	5060	cmd.exe	104
PID 5060 wrote to memory of 2448	5060	cmd.exe	104
PID 5060 wrote to memory of 2448	5060	cmd.exe	104
PID 844 wrote to memory of 2548	844	Ero.exe.com	105
PID 844 wrote to memory of 2548	844	Ero.exe.com	105
PID 844 wrote to memory of 2548	844	Ero.exe.com	105

C:\Users\Admin\AppData\Local\Temp\01dff24348b7f75a6aee0b7e559c589d.exe
"C:\Users\Admin\AppData\Local\Temp\01dff24348b7f75a6aee0b7e559c589d.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Windows\SysWOW64\cmd.exe
  cmd /c VFmXV
  2⤵
  PID:3600
- C:\Windows\SysWOW64\cmd.exe
  cmd /c cmd < Fine.aac
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:840
- - C:\Windows\SysWOW64\cmd.exe
    cmd
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:5060
  - - C:\Windows\SysWOW64\findstr.exe
      findstr /V /R "^jtVlaupCRLgCZAKZspIpAhvNWmJkyMyZXAVOVPqZJyMWgsBsxcAUZHVZIogTvXvtGfFnEVrCoImcBmmEXaQKkkZfEWuMAuDLJHdZLeMmsXLsoA$" Ora.aac
      4⤵
      PID:3488
  - - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ero.exe.com
      Ero.exe.com c
      4⤵
      Executes dropped EXE
      Suspicious use of WriteProcessMemory
      PID:844
    - - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ero.exe.com
        
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ero.exe.com c
        5⤵
        Executes dropped EXE
        Checks processor information in registry
        
        PID:2548
  - - C:\Windows\SysWOW64\PING.EXE
      ping localhost -n 30
      4⤵
      Runs ping.exe
      PID:2448

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

Ero.exe.com

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ero.exe.com
Size 872KB
SHA256 237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d
MD5 c56b5f0201a3b3de53e561fe76912bfd
SHA1 2a4062e10a5de813f5688221dbeb3f3ff33eb417
SHA512 195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c
SSDEEP 12288:6pVWeOV7GtINsegA/hMyyzlcqikvAfcN9b2MyZa31twoPTdFxgawV2M01:6T3E53Myyzl0hMf1tr7Caw8M01
MD5 SHA1 SHA512 SSDEEP

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Fine.aac

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Fine.aac
Size 418B
SHA256 7e5033460a23488b6d7ba252c10f3c2ff626d5b4902f3e9a8a4167963986bd45
MD5 016eb10ef7e6900a46cc65eb765e3c8d
SHA1 62552c0d7e43219d82131f7884cc8f94f691f31b
SHA512 0dc7424141bbab2508f0570600bfd4c351a5529dd957400e97389b1f3c219d22114c79e607b8cf841fb726166c1c2d1582acc95ad91dc38cb4cef417f95fb2c7
MD5 SHA1 SHA512

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Ora.aac

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ora.aac
Size 872KB
SHA256 c19bd0a8b2ab5c5a2f322f9eb4b938941f41d436e4cd3dee21c08c64eea71e3c
MD5 b7e05523308a643b921e5666f906702e
SHA1 b7f8619f5c6dd8f979c344cf81bb04839a7ced20
SHA512 d25d27609cec82f0c9495266ce30bf8780b8c4c3d1392248616d862dd3ed538e1ef4b1aebadd921f155192609bd86a814c6e40ec1c617ed5db1b744194bb5876
SSDEEP 12288:XpVWeOV7GtINsegA/hMyyzlcqikvAfcN9b2MyZa31twoPTdFxgawV2M01:XT3E53Myyzl0hMf1tr7Caw8M01
MD5 SHA1 SHA512 SSDEEP

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Ore.aac

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Ore.aac
Size 706KB
SHA256 cee46b226a20c632111d30dc29842024709e02e18ed2b78b641634bc6f61fff9
MD5 d027a0eeb60aa203768c5af0f017c0e1
SHA1 1b6cee60708999b79162aae49600de45c5d24d1d
SHA512 b54ca22151f73aba92fae624fb02e0e19f2478a884630a01c13baa01c16d4fb09276741c1240b76f936ca245629ef4ac7ba703353871a0bd9496bf27d1c7cf8f
SSDEEP 12288:eDEV1KrUFac8WshUa9yxn9QLCdQfvtSsV:91K6UfvJV
MD5 SHA1 SHA512 SSDEEP

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Qui.aac

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\Qui.aac
Size 634KB
SHA256 6699f0482f739a9a28a87f8792c94564211e265ba65258bfa4674862c31dd019
MD5 22caa18f00395469229483f974503595
SHA1 206480b203f67056d65d271ef29af953302855fb
SHA512 963548a57e309a41bd2d05cf16fa7693cf9ee510efb42e811248c49e92ccfcd425224c5c7bf1d4efff1a21b42c03fe9a537b571f14d3f197fd473871bcd3c7d4
SSDEEP 12288:EgCVZ7L9UXa3z0H5R6nwEALBzUvwkGpg+XAQLyCYV1VRzjbn4:WVZ9QR5Rszv2g+XNWFdbn4
MD5 SHA1 SHA512 SSDEEP

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memory/2548-23-0x0000000005320000-0x00000000053C3000-memory.dmp

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memory/2548-22-0x00000000011B0000-0x00000000011B1000-memory.dmp

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memory/2548-24-0x0000000005320000-0x00000000053C3000-memory.dmp

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memory/2548-25-0x0000000005320000-0x00000000053C3000-memory.dmp

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memory/2548-26-0x0000000005320000-0x00000000053C3000-memory.dmp

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memory/2548-27-0x0000000005320000-0x00000000053C3000-memory.dmp

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memory/2548-28-0x0000000005320000-0x00000000053C3000-memory.dmp

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memory/2548-29-0x0000000005320000-0x00000000053C3000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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