51b3773145652b5d559396a08e1282a3a1d92d4df473f774d61791386fca0598

Resubmissions

22-11-2024 22:54

241122-2vh7gaxmfl 10

22-11-2024 03:27

241122-dzqkcatmht 10

22-11-2024 03:16

241122-dsgc4atlgs 10

Analysis

max time kernel
149s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 22:54

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Report Analysis Logs

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

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:

c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe

Executes dropped EXE 2 IoCs

Processes:

cryptohost.execryptohost.exe

pid process

3672 cryptohost.exe
4656 cryptohost.exe

pid	process
3672	cryptohost.exe
4656	cryptohost.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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\software = "C:\\Users\\Admin\\AppData\\Roaming\\cryptohost.exe"	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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 2404 set thread context of 4864	2404	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
PID 3672 set thread context of 4656	3672	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_.exec71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.execryptohost.execryptohost.exe

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

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.execryptohost.exe

pid	process
4864	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
4864	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
4864	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
4864	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
4864	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
4864	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
4864	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
4864	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
4864	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
4864	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
4864	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
4864	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
4864	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
4864	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
4864	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
4864	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe
4656	cryptohost.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.execryptohost.exe

description	pid	process
Token: SeDebugPrivilege	4864	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
Token: SeDebugPrivilege	4656	cryptohost.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exec71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.execryptohost.exe

description	pid	process	target process
PID 2404 wrote to memory of 4864	2404	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
PID 2404 wrote to memory of 4864	2404	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
PID 2404 wrote to memory of 4864	2404	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
PID 2404 wrote to memory of 4864	2404	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
PID 2404 wrote to memory of 4864	2404	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
PID 2404 wrote to memory of 4864	2404	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
PID 2404 wrote to memory of 4864	2404	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
PID 2404 wrote to memory of 4864	2404	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
PID 4864 wrote to memory of 3672	4864	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	cryptohost.exe
PID 4864 wrote to memory of 3672	4864	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	cryptohost.exe
PID 4864 wrote to memory of 3672	4864	c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe	cryptohost.exe
PID 3672 wrote to memory of 4656	3672	cryptohost.exe	cryptohost.exe
PID 3672 wrote to memory of 4656	3672	cryptohost.exe	cryptohost.exe
PID 3672 wrote to memory of 4656	3672	cryptohost.exe	cryptohost.exe
PID 3672 wrote to memory of 4656	3672	cryptohost.exe	cryptohost.exe
PID 3672 wrote to memory of 4656	3672	cryptohost.exe	cryptohost.exe
PID 3672 wrote to memory of 4656	3672	cryptohost.exe	cryptohost.exe
PID 3672 wrote to memory of 4656	3672	cryptohost.exe	cryptohost.exe
PID 3672 wrote to memory of 4656	3672	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:2404
- C:\Users\Admin\AppData\Local\Temp\c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe
  "C:\Users\Admin\AppData\Local\Temp\c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4864
- - 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:3672
  - - 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 use of AdjustPrivilegeToken
      PID:4656

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

Query Registry

T1012

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3_.exe.log

Filesize
319B

MD5
da4fafeffe21b7cb3a8c170ca7911976

SHA1
50ef77e2451ab60f93f4db88325b897d215be5ad

SHA256
7341a4a13e81cbb5b7f39ec47bb45f84836b08b8d8e3ea231d2c7dad982094f7

SHA512
0bc24b69460f31a0ebc0628b99908d818ee85feb7e4b663271d9375b30cced0cd55a0bbf8edff1281a4c886ddf4476ffc989c283069cdcb1235ffcb265580fc6

Download Submit
C:\Users\Admin\AppData\Roaming\cryptohost.exe

Filesize
2.4MB

MD5
3a37931a0c7f2c8ec5c38b04380c69e1

SHA1
61ac0d9783a744dfc02f4b6dd880c82e24a274b0

SHA256
c71c26bf894feb5dbedb2cf2477258f3edf3133a3c22c68ab378ba65ecf251d3

SHA512
9be09704ae50a657793ddee577e69967483858aa42c92eb3403c79a195c2d11a6f84f274cb6c5e8e357b9e8627ae347d9a11a39d1549a15690765dcf1f3579da

Download Submit
memory/2404-0-0x0000000075452000-0x0000000075453000-memory.dmp

Filesize
4KB

Download
memory/2404-1-0x0000000075450000-0x0000000075A01000-memory.dmp

Filesize
5.7MB

Download
memory/2404-2-0x0000000075450000-0x0000000075A01000-memory.dmp

Filesize
5.7MB

Download
memory/2404-3-0x0000000075452000-0x0000000075453000-memory.dmp

Filesize
4KB

Download
memory/2404-4-0x0000000075450000-0x0000000075A01000-memory.dmp

Filesize
5.7MB

Download
memory/2404-10-0x0000000075450000-0x0000000075A01000-memory.dmp

Filesize
5.7MB

Download
memory/3672-53-0x0000000075450000-0x0000000075A01000-memory.dmp

Filesize
5.7MB

Download
memory/3672-61-0x0000000075450000-0x0000000075A01000-memory.dmp

Filesize
5.7MB

Download
memory/3672-52-0x0000000075450000-0x0000000075A01000-memory.dmp

Filesize
5.7MB

Download
memory/3672-51-0x0000000075450000-0x0000000075A01000-memory.dmp

Filesize
5.7MB

Download
memory/4656-62-0x0000000075450000-0x0000000075A01000-memory.dmp

Filesize
5.7MB

Download
memory/4656-84-0x0000000075450000-0x0000000075A01000-memory.dmp

Filesize
5.7MB

Download
memory/4864-22-0x00000000009B0000-0x0000000000A30000-memory.dmp

Filesize
512KB

Download
memory/4864-13-0x00000000009B0000-0x0000000000A30000-memory.dmp

Filesize
512KB

Download
memory/4864-30-0x00000000009B0000-0x0000000000A30000-memory.dmp

Filesize
512KB

Download
memory/4864-29-0x00000000009B0000-0x0000000000A30000-memory.dmp

Filesize
512KB

Download
memory/4864-27-0x00000000009B0000-0x0000000000A30000-memory.dmp

Filesize
512KB

Download
memory/4864-26-0x00000000009B0000-0x0000000000A30000-memory.dmp

Filesize
512KB

Download
memory/4864-24-0x00000000009B0000-0x0000000000A30000-memory.dmp

Filesize
512KB

Download
memory/4864-23-0x00000000009B0000-0x0000000000A30000-memory.dmp

Filesize
512KB

Download
memory/4864-34-0x0000000075450000-0x0000000075A01000-memory.dmp

Filesize
5.7MB

Download
memory/4864-21-0x00000000009B0000-0x0000000000A30000-memory.dmp

Filesize
512KB

Download
memory/4864-20-0x00000000009B0000-0x0000000000A30000-memory.dmp

Filesize
512KB

Download
memory/4864-19-0x00000000009B0000-0x0000000000A30000-memory.dmp

Filesize
512KB

Download
memory/4864-18-0x00000000009B0000-0x0000000000A30000-memory.dmp

Filesize
512KB

Download
memory/4864-17-0x00000000009B0000-0x0000000000A30000-memory.dmp

Filesize
512KB

Download
memory/4864-16-0x00000000009B0000-0x0000000000A30000-memory.dmp

Filesize
512KB

Download
memory/4864-31-0x00000000009B0000-0x0000000000A30000-memory.dmp

Filesize
512KB

Download
memory/4864-14-0x00000000009B0000-0x0000000000A30000-memory.dmp

Filesize
512KB

Download
memory/4864-32-0x00000000009B0000-0x0000000000A30000-memory.dmp

Filesize
512KB

Download
memory/4864-35-0x0000000075450000-0x0000000075A01000-memory.dmp

Filesize
5.7MB

Download
memory/4864-36-0x0000000075450000-0x0000000075A01000-memory.dmp

Filesize
5.7MB

Download
memory/4864-37-0x0000000075450000-0x0000000075A01000-memory.dmp

Filesize
5.7MB

Download
memory/4864-38-0x0000000075450000-0x0000000075A01000-memory.dmp

Filesize
5.7MB

Download
memory/4864-39-0x0000000075450000-0x0000000075A01000-memory.dmp

Filesize
5.7MB

Download
memory/4864-40-0x0000000075450000-0x0000000075A01000-memory.dmp

Filesize
5.7MB

Download
memory/4864-33-0x0000000075450000-0x0000000075A01000-memory.dmp

Filesize
5.7MB

Download
memory/4864-50-0x0000000075450000-0x0000000075A01000-memory.dmp

Filesize
5.7MB

Download
memory/4864-28-0x00000000009B0000-0x0000000000A30000-memory.dmp

Filesize
512KB

Download
memory/4864-15-0x00000000009B0000-0x0000000000A30000-memory.dmp

Filesize
512KB

Download
memory/4864-49-0x0000000075450000-0x0000000075A01000-memory.dmp

Filesize
5.7MB

Download
memory/4864-11-0x0000000075450000-0x0000000075A01000-memory.dmp

Filesize
5.7MB

Download
memory/4864-6-0x00000000009B0000-0x0000000000A30000-memory.dmp

Filesize
512KB

Download
memory/4864-5-0x00000000009B0000-0x0000000000A30000-memory.dmp

Filesize
512KB

Download
memory/4864-7-0x00000000009B0000-0x0000000000A30000-memory.dmp

Filesize
512KB

Download