12440486a55e0efecbd9462f85369f09326bccc25e32dded10ff96e7115ae73c

Analysis

max time kernel
38s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
26-11-2022 05:22

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General

Target

12440486a55e0efecbd9462f85369f09326bccc25e32dded10ff96e7115ae73c.exe
Size

1.0MB
MD5

8b6ff5bb2418b7521bcfe5e493d9df7c
SHA1

10808bf646b731e77bf3f168fd71e926e83970e9
SHA256

12440486a55e0efecbd9462f85369f09326bccc25e32dded10ff96e7115ae73c
SHA512

f83faf758e583415039e09243fdc4aa37482b67dc37def34c4095f8a9b33d8bf2dda60940398cdbba348305dd9600cd7d409e5185cb381358f8b554a0384863d
SSDEEP

24576:K8p9It29WwIV0JwCs8GYtMbfklY8fHNEsjdqfFUrXbewXqLwbWq+5Yl:K83I0VIaJrHMbfsB5XvXwh

Score

8^/10

vmprotect

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

empty.exe

pid process

768 empty.exe

pid	process
768	empty.exe

VMProtect packed file 2 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

Processes:

resource	yara_rule
behavioral1/memory/1808-55-0x0000000000400000-0x00000000006F1000-memory.dmp	vmprotect
behavioral1/memory/1808-62-0x0000000000400000-0x00000000006F1000-memory.dmp	vmprotect

Drops file in Windows directory 1 IoCs

Processes:

12440486a55e0efecbd9462f85369f09326bccc25e32dded10ff96e7115ae73c.exe

description ioc process

File created C:\Windows\empty.exe 12440486a55e0efecbd9462f85369f09326bccc25e32dded10ff96e7115ae73c.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\empty.exe	12440486a55e0efecbd9462f85369f09326bccc25e32dded10ff96e7115ae73c.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

12440486a55e0efecbd9462f85369f09326bccc25e32dded10ff96e7115ae73c.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Internet Explorer\Main	12440486a55e0efecbd9462f85369f09326bccc25e32dded10ff96e7115ae73c.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

12440486a55e0efecbd9462f85369f09326bccc25e32dded10ff96e7115ae73c.exe

pid process

1808 12440486a55e0efecbd9462f85369f09326bccc25e32dded10ff96e7115ae73c.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

empty.exe

description pid process

Token: SeDebugPrivilege 768 empty.exe
Token: 33 768 empty.exe
Token: SeIncBasePriorityPrivilege 768 empty.exe

description	pid	process
Token: SeDebugPrivilege	768	empty.exe
Token: 33	768	empty.exe
Token: SeIncBasePriorityPrivilege	768	empty.exe

Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

12440486a55e0efecbd9462f85369f09326bccc25e32dded10ff96e7115ae73c.exe

pid	process
1808	12440486a55e0efecbd9462f85369f09326bccc25e32dded10ff96e7115ae73c.exe
1808	12440486a55e0efecbd9462f85369f09326bccc25e32dded10ff96e7115ae73c.exe
1808	12440486a55e0efecbd9462f85369f09326bccc25e32dded10ff96e7115ae73c.exe
1808	12440486a55e0efecbd9462f85369f09326bccc25e32dded10ff96e7115ae73c.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

12440486a55e0efecbd9462f85369f09326bccc25e32dded10ff96e7115ae73c.exe

description	pid	process	target process
PID 1808 wrote to memory of 768	1808	12440486a55e0efecbd9462f85369f09326bccc25e32dded10ff96e7115ae73c.exe	empty.exe
PID 1808 wrote to memory of 768	1808	12440486a55e0efecbd9462f85369f09326bccc25e32dded10ff96e7115ae73c.exe	empty.exe
PID 1808 wrote to memory of 768	1808	12440486a55e0efecbd9462f85369f09326bccc25e32dded10ff96e7115ae73c.exe	empty.exe
PID 1808 wrote to memory of 768	1808	12440486a55e0efecbd9462f85369f09326bccc25e32dded10ff96e7115ae73c.exe	empty.exe

C:\Users\Admin\AppData\Local\Temp\12440486a55e0efecbd9462f85369f09326bccc25e32dded10ff96e7115ae73c.exe
"C:\Users\Admin\AppData\Local\Temp\12440486a55e0efecbd9462f85369f09326bccc25e32dded10ff96e7115ae73c.exe"
1⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1808

C:\Windows\empty.exe
C:\Windows\empty.exe 1808
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:768

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Windows\empty.exe
Filesize
9KB

MD5
523d5c39f9d8d2375c3df68251fa2249

SHA1
d4ed365c44bec9246fc1a65a32a7791792647a10

SHA256
20e3dc90a3e83b6202e2a7f4603b60e5e859639cb68693426c400b13aaeabd78

SHA512
526e1bba30d03f1ac177c6ab7409187a730969c429cebef15da68ffcf44b3b93227781eebc827b2f7a0fa17c391e00a0e532263fd0167aeaeb0456f96cfe3ae4

Download Submit
memory/768-60-0x0000000000000000-mapping.dmp

Download
memory/1808-54-0x00000000751A1000-0x00000000751A3000-memory.dmp

Filesize
8KB

Download
memory/1808-55-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download
memory/1808-58-0x0000000000883000-0x0000000000886000-memory.dmp

Filesize
12KB

Download
memory/1808-62-0x0000000000400000-0x00000000006F1000-memory.dmp

Filesize
2.9MB

Download