blackcat | 2f5033aca6fd4e5b9382f73160d7f6c5091f13f0008e97502eb0260dde2d4eaf

Analysis

max time kernel
683s
max time network
620s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
02-06-2024 01:52

Target

sch1.exe
Size

12.6MB
MD5

a0cd8aa1cd7cc61d41977cceacd7d4f6
SHA1

83078ff956e5e441429257cfa3a3362d6ba3c0d5
SHA256

df8d000833243acc0004595b3a8d4b66fcd7b76d8685d5c2ff61ee2a40a0e92c
SHA512

2f147b25d3289f33623dd3fdfd339de75b71cab4eb6348d0a176815bc1a7a86889113c40b6b1d3a2eb275fd76c16dbbe0eb38e63584ce2f5005a13c7369e68db
SSDEEP

196608:zRXBBaGSqkZRLVupoP3/ih4a4kZLm77gZ9rwaATAZjiEjOvonfT:p/+j/ih4a4k9M5kjiOOvonfT

Score

10^/10

BlackCat
A Rust-based ransomware sold as RaaS first seen in late 2021.
ransomware blackcat

Suspicious behavior: EnumeratesProcesses 3 IoCs

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4736	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4736 wrote to memory of 5108	4736	powershell.exe	85
PID 4736 wrote to memory of 5108	4736	powershell.exe	85
PID 4736 wrote to memory of 5108	4736	powershell.exe	85
PID 4736 wrote to memory of 1488	4736	powershell.exe	86
PID 4736 wrote to memory of 1488	4736	powershell.exe	86
PID 4736 wrote to memory of 1488	4736	powershell.exe	86
PID 4736 wrote to memory of 456	4736	powershell.exe	87
PID 4736 wrote to memory of 456	4736	powershell.exe	87
PID 4736 wrote to memory of 456	4736	powershell.exe	87

C:\Users\Admin\AppData\Local\Temp\sch1.exe
"C:\Users\Admin\AppData\Local\Temp\sch1.exe"
1⤵
PID:616

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2576

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe shell32.dll,SHCreateLocalServerRunDll {c82192ee-6cb5-4bc0-9ef0-fb818773790a} -Embedding
1⤵
PID:2068

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4736
- C:\Users\Admin\Desktop\sch1.exe
  "C:\Users\Admin\Desktop\sch1.exe"
  2⤵
  PID:5108
- C:\Users\Admin\Desktop\sch1.exe
  "C:\Users\Admin\Desktop\sch1.exe"
  2⤵
  PID:1488
- C:\Users\Admin\Desktop\sch1.exe
  "C:\Users\Admin\Desktop\sch1.exe" kjnskjfbndfkgdfg
  2⤵
  PID:456

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ocnrqgn4.mpe.ps1

Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
memory/456-78-0x0000000000810000-0x00000000014B0000-memory.dmp

Filesize
12.6MB

Download
memory/616-0-0x0000000000810000-0x00000000014B0000-memory.dmp

Filesize
12.6MB

Download
memory/1488-76-0x0000000000810000-0x00000000014B0000-memory.dmp

Filesize
12.6MB

Download
memory/3796-3-0x0000000000810000-0x00000000014B0000-memory.dmp

Filesize
12.6MB

Download
memory/4288-2-0x0000000000810000-0x00000000014B0000-memory.dmp

Filesize
12.6MB

Download
memory/4592-1-0x0000000000810000-0x00000000014B0000-memory.dmp

Filesize
12.6MB

Download
memory/4736-10-0x000001B6179D0000-0x000001B6179F2000-memory.dmp

Filesize
136KB

Download
memory/4736-37-0x000001B62FCE0000-0x000001B62FD1C000-memory.dmp

Filesize
240KB

Download
memory/4736-48-0x000001B630230000-0x000001B6302A6000-memory.dmp

Filesize
472KB

Download
memory/4736-57-0x000001B62FD40000-0x000001B62FD5E000-memory.dmp

Filesize
120KB

Download
memory/5108-72-0x0000000000810000-0x00000000014B0000-memory.dmp

Filesize
12.6MB

Download