bab8c0c9b3c3cebaa6f32565eadd1733308973fade84142c07bb1d5608fc6a0c

Analysis

max time kernel
178s
max time network
184s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2022 05:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ewe.exe
Size

947KB
MD5

b39bb6d5236d059f15e0c303119ac2ac
SHA1

169bbde66c91ec403e5378e3af49b7e038739a59
SHA256

bab8c0c9b3c3cebaa6f32565eadd1733308973fade84142c07bb1d5608fc6a0c
SHA512

c64992edf997a67981a1a8fa59176c1b8430668f31f86af546196e2944e477e8ff89ea298ccbc9b0cd4e7e5b5fd40f4f616b838c6e75e493854c5af6a545183c
SSDEEP

6144:CE0WCLnQX46PiAdNF5miUfnKk7gDaKIUzjmVqJE9/UxaGHXvI1N7nRl3kgbIpxC3:8WCLQIClF5mHKQSdiqosaG/8NpDAds

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\Mircca\\ogaru.exe,"	reg.exe

Runs ping.exe 1 TTPs 2 IoCs

Remote System Discovery
T1018

Processes:

PING.EXEPING.EXE

pid process

3708 PING.EXE
2204 PING.EXE

pid	process
3708	PING.EXE
2204	PING.EXE

Suspicious behavior: EnumeratesProcesses 23 IoCs

Processes:

ewe.exe

pid	process
4968	ewe.exe
4968	ewe.exe
4968	ewe.exe
4968	ewe.exe
4968	ewe.exe
4968	ewe.exe
4968	ewe.exe
4968	ewe.exe
4968	ewe.exe
4968	ewe.exe
4968	ewe.exe
4968	ewe.exe
4968	ewe.exe
4968	ewe.exe
4968	ewe.exe
4968	ewe.exe
4968	ewe.exe
4968	ewe.exe
4968	ewe.exe
4968	ewe.exe
4968	ewe.exe
4968	ewe.exe
4968	ewe.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ewe.exe

description pid process

Token: SeDebugPrivilege 4968 ewe.exe

description	pid	process
Token: SeDebugPrivilege	4968	ewe.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

ewe.execmd.execmd.exe

description	pid	process	target process
PID 4968 wrote to memory of 2924	4968	ewe.exe	cmd.exe
PID 4968 wrote to memory of 2924	4968	ewe.exe	cmd.exe
PID 4968 wrote to memory of 2924	4968	ewe.exe	cmd.exe
PID 2924 wrote to memory of 3708	2924	cmd.exe	PING.EXE
PID 2924 wrote to memory of 3708	2924	cmd.exe	PING.EXE
PID 2924 wrote to memory of 3708	2924	cmd.exe	PING.EXE
PID 4968 wrote to memory of 4964	4968	ewe.exe	cmd.exe
PID 4968 wrote to memory of 4964	4968	ewe.exe	cmd.exe
PID 4968 wrote to memory of 4964	4968	ewe.exe	cmd.exe
PID 4964 wrote to memory of 2204	4964	cmd.exe	PING.EXE
PID 4964 wrote to memory of 2204	4964	cmd.exe	PING.EXE
PID 4964 wrote to memory of 2204	4964	cmd.exe	PING.EXE
PID 2924 wrote to memory of 3996	2924	cmd.exe	reg.exe
PID 2924 wrote to memory of 3996	2924	cmd.exe	reg.exe
PID 2924 wrote to memory of 3996	2924	cmd.exe	reg.exe

C:\Users\Admin\AppData\Local\Temp\ewe.exe
"C:\Users\Admin\AppData\Local\Temp\ewe.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4968

C:\Windows\SysWOW64\cmd.exe
"cmd" /c ping 127.0.0.1 -n 39 > nul && REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Mircca\ogaru.exe,"
2⤵
- Suspicious use of WriteProcessMemory
PID:2924

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 39
3⤵
- Runs ping.exe
PID:3708

C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Roaming\Mircca\ogaru.exe,"
3⤵
- Modifies WinLogon for persistence
PID:3996

C:\Windows\SysWOW64\cmd.exe
"cmd" /c ping 127.0.0.1 -n 45 > nul && copy "C:\Users\Admin\AppData\Local\Temp\ewe.exe" "C:\Users\Admin\AppData\Roaming\Mircca\ogaru.exe" && ping 127.0.0.1 -n 45 > nul && "C:\Users\Admin\AppData\Roaming\Mircca\ogaru.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4964

C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1 -n 45
3⤵
- Runs ping.exe
PID:2204

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2204-140-0x0000000000000000-mapping.dmp

Download
memory/2924-137-0x0000000000000000-mapping.dmp

Download
memory/3708-138-0x0000000000000000-mapping.dmp

Download
memory/3996-141-0x0000000000000000-mapping.dmp

Download
memory/4964-139-0x0000000000000000-mapping.dmp

Download
memory/4968-132-0x0000000000040000-0x0000000000132000-memory.dmp

Filesize
968KB

Download
memory/4968-133-0x0000000005440000-0x00000000059E4000-memory.dmp

Filesize
5.6MB

Download
memory/4968-134-0x0000000004F30000-0x0000000004FC2000-memory.dmp

Filesize
584KB

Download
memory/4968-135-0x0000000004FD0000-0x000000000506C000-memory.dmp

Filesize
624KB

Download
memory/4968-136-0x00000000067F0000-0x00000000067FA000-memory.dmp

Filesize
40KB

Download