51b3773145652b5d559396a08e1282a3a1d92d4df473f774d61791386fca0598

Analysis

max time kernel
600s
max time network
362s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-11-2024 03:09

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General

Target

c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
Size

2.4MB
MD5

3a37931a0c7f2c8ec5c38b04380c69e1
SHA1

61ac0d9783a744dfc02f4b6dd880c82e24a274b0
SHA256

c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3
SHA512

9be09704ae50a657793ddee577e69967483858aa42c92eb3403c79a195c2d11a6f84f274cb6c5e8e357b9e8627ae347d9a11a39d1549a15690765dcf1f3579da
SSDEEP

49152:Ga8FL30rOQwir2OUXnfgwHrTi4UtqaAR1hbpTye21OR+jFlpuEKD:GaSL3KvSRnfX6qa61FdaOR6lpm

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

cryptohost.execryptohost.exe

pid process

2348 cryptohost.exe
352 cryptohost.exe

pid	process
2348	cryptohost.exe
352	cryptohost.exe

Loads dropped DLL 2 IoCs

Processes:

c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe

pid	process
3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.execryptohost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\software = "C:\\Users\\Admin\\AppData\\Roaming\\cryptohost.exe"	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\software = "C:\\Users\\Admin\\AppData\\Roaming\\cryptohost.exe"	cryptohost.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.execryptohost.exe

description	pid	process	target process
PID 2236 set thread context of 3044	2236	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
PID 2348 set thread context of 352	2348	cryptohost.exe	cryptohost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.execryptohost.execryptohost.exec71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cryptohost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cryptohost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.execryptohost.exe

pid	process
3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe
352	cryptohost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

cryptohost.exe

pid process

352 cryptohost.exe

pid	process
352	cryptohost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.execryptohost.exe

description	pid	process
Token: SeDebugPrivilege	3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
Token: SeDebugPrivilege	352	cryptohost.exe

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exec71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.execryptohost.exe

description	pid	process	target process
PID 2236 wrote to memory of 3044	2236	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
PID 2236 wrote to memory of 3044	2236	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
PID 2236 wrote to memory of 3044	2236	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
PID 2236 wrote to memory of 3044	2236	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
PID 2236 wrote to memory of 3044	2236	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
PID 2236 wrote to memory of 3044	2236	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
PID 2236 wrote to memory of 3044	2236	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
PID 2236 wrote to memory of 3044	2236	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
PID 2236 wrote to memory of 3044	2236	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
PID 3044 wrote to memory of 2348	3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	cryptohost.exe
PID 3044 wrote to memory of 2348	3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	cryptohost.exe
PID 3044 wrote to memory of 2348	3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	cryptohost.exe
PID 3044 wrote to memory of 2348	3044	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	cryptohost.exe
PID 2348 wrote to memory of 352	2348	cryptohost.exe	cryptohost.exe
PID 2348 wrote to memory of 352	2348	cryptohost.exe	cryptohost.exe
PID 2348 wrote to memory of 352	2348	cryptohost.exe	cryptohost.exe
PID 2348 wrote to memory of 352	2348	cryptohost.exe	cryptohost.exe
PID 2348 wrote to memory of 352	2348	cryptohost.exe	cryptohost.exe
PID 2348 wrote to memory of 352	2348	cryptohost.exe	cryptohost.exe
PID 2348 wrote to memory of 352	2348	cryptohost.exe	cryptohost.exe
PID 2348 wrote to memory of 352	2348	cryptohost.exe	cryptohost.exe
PID 2348 wrote to memory of 352	2348	cryptohost.exe	cryptohost.exe

C:\Users\Admin\AppData\Local\Temp\c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
"C:\Users\Admin\AppData\Local\Temp\c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Users\Admin\AppData\Local\Temp\c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
  "C:\Users\Admin\AppData\Local\Temp\c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe"
  2⤵
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3044
- - C:\Users\Admin\AppData\Roaming\cryptohost.exe
    "C:\Users\Admin\AppData\Roaming\cryptohost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2348
  - - C:\Users\Admin\AppData\Roaming\cryptohost.exe
      "C:\Users\Admin\AppData\Roaming\cryptohost.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      PID:352

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

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Roaming\cryptohost.exe

Filesize
2.4MB

MD5
3a37931a0c7f2c8ec5c38b04380c69e1

SHA1
61ac0d9783a744dfc02f4b6dd880c82e24a274b0

SHA256
c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3

SHA512
9be09704ae50a657793ddee577e69967483858aa42c92eb3403c79a195c2d11a6f84f274cb6c5e8e357b9e8627ae347d9a11a39d1549a15690765dcf1f3579da

Download Submit
memory/352-68-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2236-21-0x0000000074B10000-0x00000000750BB000-memory.dmp

Filesize
5.7MB

Download
memory/2236-1-0x0000000074B10000-0x00000000750BB000-memory.dmp

Filesize
5.7MB

Download
memory/2236-2-0x0000000074B10000-0x00000000750BB000-memory.dmp

Filesize
5.7MB

Download
memory/2236-3-0x0000000074B10000-0x00000000750BB000-memory.dmp

Filesize
5.7MB

Download
memory/2236-0-0x0000000074B11000-0x0000000074B12000-memory.dmp

Filesize
4KB

Download
memory/3044-42-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-34-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-12-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-20-0x0000000074B10000-0x00000000750BB000-memory.dmp

Filesize
5.7MB

Download
memory/3044-10-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-8-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-4-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-25-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-37-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-38-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-36-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-17-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-41-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-40-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-39-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3044-33-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-32-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-31-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-30-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-29-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-28-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-27-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-26-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-24-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-23-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-43-0x0000000074B10000-0x00000000750BB000-memory.dmp

Filesize
5.7MB

Download
memory/3044-44-0x0000000074B10000-0x00000000750BB000-memory.dmp

Filesize
5.7MB

Download
memory/3044-45-0x0000000074B10000-0x00000000750BB000-memory.dmp

Filesize
5.7MB

Download
memory/3044-19-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/3044-56-0x0000000074B10000-0x00000000750BB000-memory.dmp

Filesize
5.7MB

Download
memory/3044-6-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download