wshrat | be32a4b1ba9b1ac7803eac01ca4a38f96770ad27d2d434794809ba3242182b0d

General

Target

fattura.jar
Size

221KB
MD5

4ebaf0ed00b6136fe1e4273508d855fa
SHA1

a3e6b82b95500b8eda4ab37a8f3865d47af3c7ad
SHA256

be32a4b1ba9b1ac7803eac01ca4a38f96770ad27d2d434794809ba3242182b0d
SHA512

80c243457a0b879b0cd2484837357326593131207e200f93cd4f40a2ce5dd4c8e5590c6f67638b7942c1ca6634abc637fa9658b81791116419960deb349f49c3

Score

10^/10

persistence trojan wshrat rat ratty

Malware Config

Signatures

Ratty
Ratty is an open source Java Remote Access Tool.
trojan rat ratty

Ratty Rat Payload 1 IoCs

resource	yara_rule
behavioral1/files/0x00060000000131ab-11.dat	family_ratty

WSHRAT
WSHRAT is a variant of Houdini worm and has vbs and js variants.
trojan wshrat

Blacklisted process makes network request 25 IoCs

flow	pid	Process
4	1520	WScript.exe
5	1520	WScript.exe
6	1520	WScript.exe
8	1520	WScript.exe
9	1520	WScript.exe
10	1520	WScript.exe
12	1520	WScript.exe
13	1520	WScript.exe
14	1520	WScript.exe
17	1520	WScript.exe
18	1520	WScript.exe
19	1520	WScript.exe
21	1520	WScript.exe
22	1520	WScript.exe
23	1520	WScript.exe
25	1520	WScript.exe
26	1520	WScript.exe
27	1520	WScript.exe
29	1520	WScript.exe
30	1520	WScript.exe
31	1520	WScript.exe
33	1520	WScript.exe
34	1520	WScript.exe
35	1520	WScript.exe
37	1520	WScript.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\gVbTbNmsTj.vbs	WScript.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\gVbTbNmsTj.vbs	WScript.exe

Adds Run key to start application 2 TTPs 6 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntfsmgr = "\"C:\\Program Files\\Java\\jre7\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\ntfsmgr.jar\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\software\microsoft\windows\currentversion\run	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1131729243-447456001-3632642222-1000\Software\Microsoft\Windows\CurrentVersion\Run\gVbTbNmsTj = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\gVbTbNmsTj.vbs\""	WScript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	WScript.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\gVbTbNmsTj = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\gVbTbNmsTj.vbs\""	WScript.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1636	powershell.exe
1636	powershell.exe
1928	powershell.exe
1928	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1676	javaw.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1636	powershell.exe
Token: SeDebugPrivilege	1928	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1104 wrote to memory of 1500	1104	java.exe	25
PID 1104 wrote to memory of 1500	1104	java.exe	25
PID 1104 wrote to memory of 1500	1104	java.exe	25
PID 1500 wrote to memory of 1636	1500	wscript.exe	26
PID 1500 wrote to memory of 1636	1500	wscript.exe	26
PID 1500 wrote to memory of 1636	1500	wscript.exe	26
PID 1500 wrote to memory of 1520	1500	wscript.exe	28
PID 1500 wrote to memory of 1520	1500	wscript.exe	28
PID 1500 wrote to memory of 1520	1500	wscript.exe	28
PID 1500 wrote to memory of 1816	1500	wscript.exe	29
PID 1500 wrote to memory of 1816	1500	wscript.exe	29
PID 1500 wrote to memory of 1816	1500	wscript.exe	29
PID 1816 wrote to memory of 1844	1816	cmd.exe	31
PID 1816 wrote to memory of 1844	1816	cmd.exe	31
PID 1816 wrote to memory of 1844	1816	cmd.exe	31
PID 1500 wrote to memory of 1676	1500	wscript.exe	32
PID 1500 wrote to memory of 1676	1500	wscript.exe	32
PID 1500 wrote to memory of 1676	1500	wscript.exe	32
PID 1520 wrote to memory of 1928	1520	WScript.exe	33
PID 1520 wrote to memory of 1928	1520	WScript.exe	33
PID 1520 wrote to memory of 1928	1520	WScript.exe	33

C:\Windows\system32\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\fattura.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:1104
- C:\Windows\system32\wscript.exe
  wscript C:\Users\Admin\wppvqiibus.vbs
  2⤵
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1500
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -windowstyle hidden -Command "$humanRights = (get-itemproperty -path 'HKCU:\SOFTWARE\Microsoft\' -name 'turK3y').turK3y;$humanRights=$humanRights.replace('!%','m');$Abt = [Convert]::FromBase64String($humanRights);$Out = [System.Text.Encoding]::ASCII.GetString($Abt);new-itemproperty -path 'HKCU:\SOFTWARE\Microsoft' -name 'turK3y' -value $Out -propertytype multistring -force | out-null;"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1636
- - C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\gVbTbNmsTj.vbs"
    3⤵
    - Blacklisted process makes network request
    - Drops startup file
    - Adds Run key to start application
    - Suspicious use of WriteProcessMemory
    PID:1520
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -windowstyle hidden -Command "$humanRights = (get-itemproperty -path 'HKCU:\SOFTWARE\Microsoft\' -name 'turK3y').turK3y;$humanRights=$humanRights.replace('!%','A');$Abt = [Convert]::FromBase64String($humanRights);$Out = [System.Text.Encoding]::ASCII.GetString($Abt);new-itemproperty -path 'HKCU:\SOFTWARE\Microsoft' -name 'turK3y' -value $Out -propertytype multistring -force | out-null;"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1928
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /c "C:\Program Files\Java\jre7\bin\javaw.exe" -version 2> C:\Users\Admin\AppData\Local\Temp\output.txt
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1816
  - - C:\Program Files\Java\jre7\bin\javaw.exe
      "C:\Program Files\Java\jre7\bin\javaw.exe" -version
      4⤵
      PID:1844
- - C:\Program Files\Java\jre7\bin\javaw.exe
    "C:\Program Files\Java\jre7\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\ntfsmgr.jar"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    PID:1676

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1500-12-0x00000000028B0000-0x00000000028B4000-memory.dmp

Filesize
16KB

Download
memory/1520-18-0x0000000000320000-0x0000000000322000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing