daa40acf17585b2246dc1e9e6610964368f6fb854fdc16a1972c7908c23ab5cf

Analysis

max time kernel
40s
max time network
43s
platform
windows7_x64
resource
win7-20220414-en
submitted
30-06-2022 23:07

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General

Target

INV871623.txt.lnk
Size

1KB
MD5

7c1073209e40cb0957e097eb86ae4d79
SHA1

fd8b3b87f44bfef8f5a7af23adf496b5494eaf01
SHA256

1202a0e6d4b0282bcade76291346b5b410f05e05c978c087147a4c2006d69b42
SHA512

ac6b78c0657388119e3c7d70c3b708ffbdc643965dcd9d11240b96110559b5e24409bc34921fa700bdeb39c16d37b40b6c1b83420f302137a46c84ca66e61406

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

896 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 896 powershell.exe

pid	process
896	powershell.exe

description	pid	process
Token: SeDebugPrivilege	896	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 316 wrote to memory of 896	316	cmd.exe	powershell.exe
PID 316 wrote to memory of 896	316	cmd.exe	powershell.exe
PID 316 wrote to memory of 896	316	cmd.exe	powershell.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\INV871623.txt.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:316

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -exec bypass -w h -file THjkgeCbhjm.ps1
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:896

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/316-54-0x000007FEFBCC1000-0x000007FEFBCC3000-memory.dmp

Filesize
8KB

Download
memory/896-88-0x0000000000000000-mapping.dmp

Download
memory/896-93-0x000007FEF4050000-0x000007FEF4A73000-memory.dmp

Filesize
10.1MB

Download
memory/896-94-0x000007FEF34F0000-0x000007FEF404D000-memory.dmp

Filesize
11.4MB

Download
memory/896-95-0x0000000002324000-0x0000000002327000-memory.dmp

Filesize
12KB

Download
memory/896-96-0x0000000002324000-0x0000000002327000-memory.dmp

Filesize
12KB

Download