f11c944a5618dc651f3e23a9d9a3f90f55a04166a36ae41e0b97ad7c7f8f5d56

Analysis

max time kernel
164s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2022, 13:39

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General

Target

f11c944a5618dc651f3e23a9d9a3f90f55a04166a36ae41e0b97ad7c7f8f5d56.exe
Size

507KB
MD5

3d87d188bd86bb36a7c4da567153af1a
SHA1

7ed9f414f3493c5b95e5dd9d35225df42791c2a7
SHA256

f11c944a5618dc651f3e23a9d9a3f90f55a04166a36ae41e0b97ad7c7f8f5d56
SHA512

fd88387bfb6b88e47de1662d7948316f4f8f9a4bf37e47d26943547ec50ab3dbd8b71a3b6250bdb052e77952b82b791afe469c04a14c53939e9ee6e8d60ef61e
SSDEEP

12288:71hWN/DnsW/Um0aYRKoq80lNR/YcW5a1h7g:71UN/4W/Um0Z8oq80LpW5a11g

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3028-132-0x0000000000400000-0x00000000004C8000-memory.dmp	upx
behavioral2/memory/3028-135-0x0000000000400000-0x00000000004C8000-memory.dmp	upx

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/3028-132-0x0000000000400000-0x00000000004C8000-memory.dmp	autoit_exe
behavioral2/memory/3028-135-0x0000000000400000-0x00000000004C8000-memory.dmp	autoit_exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 3224	3028	f11c944a5618dc651f3e23a9d9a3f90f55a04166a36ae41e0b97ad7c7f8f5d56.exe	79
PID 3028 wrote to memory of 3224	3028	f11c944a5618dc651f3e23a9d9a3f90f55a04166a36ae41e0b97ad7c7f8f5d56.exe	79
PID 3028 wrote to memory of 3224	3028	f11c944a5618dc651f3e23a9d9a3f90f55a04166a36ae41e0b97ad7c7f8f5d56.exe	79

C:\Users\Admin\AppData\Local\Temp\f11c944a5618dc651f3e23a9d9a3f90f55a04166a36ae41e0b97ad7c7f8f5d56.exe
"C:\Users\Admin\AppData\Local\Temp\f11c944a5618dc651f3e23a9d9a3f90f55a04166a36ae41e0b97ad7c7f8f5d56.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\s.cmd
  2⤵
  PID:3224

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\s.cmd

Filesize
285B

MD5
da7d4ef2c019dba0ddb54dfa41cbb4ed

SHA1
226bb3bc63ec7ffbbbe350a0836add2681d97694

SHA256
1f88d317996fae39e0ffc7bea3bb91a4601fb3bab135e66a7cc2df28af39f4a8

SHA512
917c19e95b65cc59d80e2c695db97231096b4a7f28309bf545ed120b195e3c1bbe89971c9c88078f05cc9176d8964e235957894a79bc4b3a0f012b216f381327

Download Submit
memory/3028-132-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/3028-135-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download