3c20d1792a6c74babe6e53741a0e2efd4e0cfcfe0357aae4a1bf825c88e7cc80

Analysis

max time kernel
148s
max time network
152s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
07/11/2022, 05:52

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General

Target

3c20d1792a6c74babe6e53741a0e2efd4e0cfcfe0357aae4a1bf825c88e7cc80.exe
Size

12KB
MD5

0599481873dfe03c9fdd8e0232f04660
SHA1

08fb56132f1780a76eacffb5b69d389d2256af3d
SHA256

3c20d1792a6c74babe6e53741a0e2efd4e0cfcfe0357aae4a1bf825c88e7cc80
SHA512

a56f999737dc4f826c33408ea449855cca0350ecc7b6fc9a9d0b371e4bb1437cfd76b2f9884f6bc015133766feca4b3893083f605e25ec16b232144712846bc1
SSDEEP

192:y73dbdNcUv2maoJfnM5kCFKkYXPS74wLdZNhyWCh3dWKsGX7tMEYGJOxTx3Wqgqt:ypbdN3v2vopbCFgKUI7NhyhhtWKsEX2X

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1760-55-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
1764	cmd.exe

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

System Information Discovery
T1082

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\multimediaControls.chl\CLSID	3c20d1792a6c74babe6e53741a0e2efd4e0cfcfe0357aae4a1bf825c88e7cc80.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\multimediaControls.chl	3c20d1792a6c74babe6e53741a0e2efd4e0cfcfe0357aae4a1bf825c88e7cc80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\multimediaControls.chl\CLSID\ = "{6BF52A52-394A-11D3-B153-00C04F79FAA6}"	3c20d1792a6c74babe6e53741a0e2efd4e0cfcfe0357aae4a1bf825c88e7cc80.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 1764	1760	3c20d1792a6c74babe6e53741a0e2efd4e0cfcfe0357aae4a1bf825c88e7cc80.exe	30
PID 1760 wrote to memory of 1764	1760	3c20d1792a6c74babe6e53741a0e2efd4e0cfcfe0357aae4a1bf825c88e7cc80.exe	30
PID 1760 wrote to memory of 1764	1760	3c20d1792a6c74babe6e53741a0e2efd4e0cfcfe0357aae4a1bf825c88e7cc80.exe	30
PID 1760 wrote to memory of 1764	1760	3c20d1792a6c74babe6e53741a0e2efd4e0cfcfe0357aae4a1bf825c88e7cc80.exe	30

C:\Users\Admin\AppData\Local\Temp\3c20d1792a6c74babe6e53741a0e2efd4e0cfcfe0357aae4a1bf825c88e7cc80.exe
"C:\Users\Admin\AppData\Local\Temp\3c20d1792a6c74babe6e53741a0e2efd4e0cfcfe0357aae4a1bf825c88e7cc80.exe"
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\_off0.bat" "
  2⤵
  - Deletes itself
  PID:1764

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\_off0.bat

Filesize
338B

MD5
cdbb89e4f857bf86c46e40941f53d598

SHA1
b7ac7998b493152033cd1c4971193f22c8b24c2e

SHA256
de2bf23865f43051d478a19452e41ede2bb5933ad619b8a99fe43f0b1c1b0456

SHA512
c007a18c8b2e7db1a321892e89b3d11d60e1ddfd3e2e148b630b814fbca1566e71641aae3c74dae996804daa906afdbbca8b83d6d1272079e192a8f335d8aa2f

Download Submit
memory/1760-54-0x0000000075281000-0x0000000075283000-memory.dmp

Filesize
8KB

Download
memory/1760-55-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download