2ab7cf367f4c8953c507d4ca5b17873921c5671a8103087430919e947295bc7b

General

Target

6542fe83ee30583be3b685a10c1febe2.exe
Size

4.7MB
MD5

6542fe83ee30583be3b685a10c1febe2
SHA1

c8813c2a3a1e84e0cbbea98bd724d9a332e63200
SHA256

2ab7cf367f4c8953c507d4ca5b17873921c5671a8103087430919e947295bc7b
SHA512

9df0846596f45705a1e8bee33e1dca2b1287f7d77a96dc895808b607ce9c388c1e40262325d26468a030405f04e9c73a639497948373278cf335cd5a22b7dbfe
SSDEEP

98304:ObahIEd2q543OIf/CEN2hTBrHJWGs2NyqeoNE/7SRYYQ:OGx2qG3N//ETVHJack+O

Score

9^/10

discovery evasion

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	6542fe83ee30583be3b685a10c1febe2.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	6542fe83ee30583be3b685a10c1febe2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	6542fe83ee30583be3b685a10c1febe2.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Software\Wine	6542fe83ee30583be3b685a10c1febe2.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1624	icacls.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1316	6542fe83ee30583be3b685a10c1febe2.exe

Drops file in Program Files directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\symbols\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\dll\ntdll.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\server\symbols\dll\jvm.pdb	javaw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jvm.pdb	javaw.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1316	6542fe83ee30583be3b685a10c1febe2.exe
1316	6542fe83ee30583be3b685a10c1febe2.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1316 wrote to memory of 2232	1316	6542fe83ee30583be3b685a10c1febe2.exe	87
PID 1316 wrote to memory of 2232	1316	6542fe83ee30583be3b685a10c1febe2.exe	87
PID 2232 wrote to memory of 1624	2232	javaw.exe	89
PID 2232 wrote to memory of 1624	2232	javaw.exe	89

C:\Users\Admin\AppData\Local\Temp\6542fe83ee30583be3b685a10c1febe2.exe
"C:\Users\Admin\AppData\Local\Temp\6542fe83ee30583be3b685a10c1febe2.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1316
- C:\Program Files\Java\jre-1.8\bin\javaw.exe
  "C:\Program Files\Java\jre-1.8\bin\javaw.exe" -Dfile.encoding=UTF-8 -classpath "C:\Users\Admin\AppData\Local\Temp\6542fe83ee30583be3b685a10c1febe2.exe" org.develnext.jphp.ext.javafx.FXLauncher
  2⤵
  - Drops file in Program Files directory
  - Suspicious use of WriteProcessMemory
  PID:2232
- - C:\Windows\system32\icacls.exe
    C:\Windows\system32\icacls.exe C:\ProgramData\Oracle\Java\.oracle_jre_usage /grant "everyone":(OI)(CI)M
    3⤵
    - Modifies file permissions
    PID:1624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

1

T1222

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

1

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Oracle\Java\.oracle_jre_usage\3903daac9bc4a3b7.timestamp

Filesize
46B

MD5
ad9f08e1a954f75e3903e3399674fe5a

SHA1
a209e3ae145c372c5abe3f3fa104c0c0292f95ac

SHA256
83cf5e2455383047cb0d07e2113d742560aa9253709c724eeb40d44c54624742

SHA512
1e89e69bacc37472bd583092714d90936b7525fe3762a871fe27057d0886ee43a0a1712f838d30f038607c72d1f5fbfeb17c291599eb408bdee5b589c8bca821

Download Submit
memory/1316-0-0x0000000000400000-0x0000000000774000-memory.dmp

Filesize
3.5MB

Download
memory/1316-1-0x0000000077AA4000-0x0000000077AA6000-memory.dmp

Filesize
8KB

Download
memory/1316-3-0x0000000000400000-0x0000000000774000-memory.dmp

Filesize
3.5MB

Download
memory/1316-2-0x0000000000400000-0x0000000000774000-memory.dmp

Filesize
3.5MB

Download
memory/1316-4-0x00000000028C0000-0x00000000028C2000-memory.dmp

Filesize
8KB

Download
memory/2232-9-0x000002581D050000-0x000002581E050000-memory.dmp

Filesize
16.0MB

Download
memory/2232-17-0x000002581B620000-0x000002581B621000-memory.dmp

Filesize
4KB

Download
memory/2232-22-0x000002581D050000-0x000002581E050000-memory.dmp

Filesize
16.0MB

Download
memory/2232-23-0x000002581D2D0000-0x000002581D2E0000-memory.dmp

Filesize
64KB

Download
memory/2232-24-0x000002581D050000-0x000002581E050000-memory.dmp

Filesize
16.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads