eb76c8ea9c1857530e537b318eeac0781f7bbc68ad9e0152bcb2db5a8af71d97

General

Target

fattura.jar
Size

222KB
MD5

9f4c61b914d5174226a6591f9e9a2a48
SHA1

558fa0ea8e2ea1c3c6b618789a88081eebeeab4c
SHA256

eb76c8ea9c1857530e537b318eeac0781f7bbc68ad9e0152bcb2db5a8af71d97
SHA512

f433da3b79fdd9f135094fc546988f81f535793a01b3b73803d7ed5f9b6e6eaacc685ee50e73ff7e3c066deeab7208ff64b55e7a5bc704966f8820b6a8dd81fc

Score

8^/10

persistence

Malware Config

Signatures

Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

3084 REG.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1072 powershell.exe
Token: SeDebugPrivilege 3256 powershell.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exepowershell.exe

pid process

1072 powershell.exe
1072 powershell.exe
1072 powershell.exe
3256 powershell.exe
3256 powershell.exe
3256 powershell.exe
Modifies registry class 1 IoCs

Processes:

wscript.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000_Classes\Local Settings wscript.exe

pid	process
3084	REG.exe

description	pid	process
Token: SeDebugPrivilege	1072	powershell.exe
Token: SeDebugPrivilege	3256	powershell.exe

pid	process
1072	powershell.exe
1072	powershell.exe
1072	powershell.exe
3256	powershell.exe
3256	powershell.exe
3256	powershell.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000_Classes\Local Settings	wscript.exe

Adds Run entry to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

WScript.exewscript.exeREG.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\tDHMhQUaqL = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\tDHMhQUaqL.vbs\""	WScript.exe
Key created	\REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000\Software\Microsoft\Windows\CurrentVersion\Run	wscript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntfsmgr = "\"C:\\Program Files\\Java\\jre1.8.0_66\\bin\\javaw.exe\" -jar \"C:\\Users\\Admin\\AppData\\Roaming\\ntfsmgr.jar\""	wscript.exe
Key created	\REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	REG.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000\Software\Microsoft\Windows\CurrentVersion\Run\Adobe Java bridge = "C:\\Users\\Admin\\AppData\\Roaming\\Adobe\\AIR\\jre13v3bridge.jar"	REG.exe
Key created	\REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000\software\microsoft\windows\currentversion\run	WScript.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1231583446-2617009595-2137880041-1000\Software\Microsoft\Windows\CurrentVersion\Run\tDHMhQUaqL = "wscript.exe //B \"C:\\Users\\Admin\\AppData\\Roaming\\tDHMhQUaqL.vbs\""	WScript.exe
Key created	\REGISTRY\MACHINE\software\microsoft\windows\currentversion\run	WScript.exe

Drops startup file 2 IoCs

Processes:

WScript.exe

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

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

java.exewscript.execmd.exejavaw.exeWScript.exe

description	pid	process	target process
PID 3544 wrote to memory of 816	3544	java.exe	wscript.exe
PID 3544 wrote to memory of 816	3544	java.exe	wscript.exe
PID 816 wrote to memory of 1072	816	wscript.exe	powershell.exe
PID 816 wrote to memory of 1072	816	wscript.exe	powershell.exe
PID 816 wrote to memory of 2488	816	wscript.exe	WScript.exe
PID 816 wrote to memory of 2488	816	wscript.exe	WScript.exe
PID 816 wrote to memory of 1928	816	wscript.exe	cmd.exe
PID 816 wrote to memory of 1928	816	wscript.exe	cmd.exe
PID 1928 wrote to memory of 2128	1928	cmd.exe	javaw.exe
PID 1928 wrote to memory of 2128	1928	cmd.exe	javaw.exe
PID 816 wrote to memory of 2748	816	wscript.exe	javaw.exe
PID 816 wrote to memory of 2748	816	wscript.exe	javaw.exe
PID 2748 wrote to memory of 3084	2748	javaw.exe	REG.exe
PID 2748 wrote to memory of 3084	2748	javaw.exe	REG.exe
PID 2488 wrote to memory of 3256	2488	WScript.exe	powershell.exe
PID 2488 wrote to memory of 3256	2488	WScript.exe	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

javaw.exe

pid process

2748 javaw.exe

pid	process
2748	javaw.exe

Blacklisted process makes network request 26 IoCs

Processes:

WScript.exe

flow	pid	process
4	2488	WScript.exe
5	2488	WScript.exe
9	2488	WScript.exe
10	2488	WScript.exe
12	2488	WScript.exe
14	2488	WScript.exe
15	2488	WScript.exe
16	2488	WScript.exe
17	2488	WScript.exe
20	2488	WScript.exe
22	2488	WScript.exe
23	2488	WScript.exe
24	2488	WScript.exe
25	2488	WScript.exe
27	2488	WScript.exe
28	2488	WScript.exe
29	2488	WScript.exe
30	2488	WScript.exe
31	2488	WScript.exe
34	2488	WScript.exe
35	2488	WScript.exe
36	2488	WScript.exe
37	2488	WScript.exe
38	2488	WScript.exe
40	2488	WScript.exe
41	2488	WScript.exe

C:\ProgramData\Oracle\Java\javapath\java.exe
java -jar C:\Users\Admin\AppData\Local\Temp\fattura.jar
1⤵
- Suspicious use of WriteProcessMemory
PID:3544

C:\Windows\SYSTEM32\wscript.exe
wscript C:\Users\Admin\bjzxzjbyqj.vbs
2⤵
- Modifies registry class
- Adds Run entry to start application
- Suspicious use of WriteProcessMemory
PID:816

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 use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:1072

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\tDHMhQUaqL.vbs"
3⤵
- Adds Run entry to start application
- Drops startup file
- Suspicious use of WriteProcessMemory
- Blacklisted process makes network request
PID:2488

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 use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:3256

C:\Windows\System32\cmd.exe
"C:\Windows\System32\cmd.exe" /c "C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -version 2> C:\Users\Admin\AppData\Local\Temp\output.txt
3⤵
- Suspicious use of WriteProcessMemory
PID:1928

C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
"C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -version
4⤵
PID:2128

C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
"C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\ntfsmgr.jar"
3⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetWindowsHookEx
PID:2748

C:\Windows\SYSTEM32\REG.exe
REG ADD HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "Adobe Java bridge" /d "C:\Users\Admin\AppData\Roaming\Adobe\AIR\jre13v3bridge.jar"
4⤵
- Modifies registry key
- Adds Run entry to start application
PID:3084

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp

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C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp

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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

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C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

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C:\Users\Admin\AppData\Local\Temp\output.txt

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C:\Users\Admin\AppData\Roaming\ntfsmgr.jar

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C:\Users\Admin\AppData\Roaming\tDHMhQUaqL.vbs

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C:\Users\Admin\bjzxzjbyqj.vbs

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memory/816-1-0x0000000000000000-mapping.dmp

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memory/1072-3-0x0000000000000000-mapping.dmp

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memory/1928-6-0x0000000000000000-mapping.dmp

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memory/2128-7-0x0000000000000000-mapping.dmp

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memory/2488-4-0x0000000000000000-mapping.dmp

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memory/2748-11-0x0000000000000000-mapping.dmp

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memory/3084-15-0x0000000000000000-mapping.dmp

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memory/3256-16-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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