meduza | 455cd0db2de92ee348295780f8fc7a32a5406a5986a4d162761680f11b6346b1

Analysis

max time kernel
116s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
submitted
14/08/2024, 09:40

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General

Target
24c2b60c0ac34c1b84028a28baec5d70N.exe
Size 7.2MB
Sample240814-lndemsvfka
SHA256 455cd0db2de92ee348295780f8fc7a32a5406a5986a4d162761680f11b6346b1
MD5 24c2b60c0ac34c1b84028a28baec5d70
SHA1 b0e6630bcd94fcc6de37b034adf2e7515bb776c7
SHA512 7e689b7ca0db405529951e4277a6c8463d356229d2a73d1674fdca585142b1d07a34528bb4a1b7a5ef3272b1d767d17a3065015e02cbc69b9eabcbcb7a282447
SSDEEP 49152:X2Xnu7QcKy/gBwdq1p//GSmgZIzdLTB1O7:X2XnyQch/+CSmgZIBL91O7
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

meduza collection discovery persistence spyware stealer

Malware Config

Extracted

Family

meduza

5.42.106.42

Signatures

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

Meduza Stealer payload 1 IoCs

resource	yara_rule
behavioral2/memory/1100-0-0x000001A5BA450000-0x000001A5BA538000-memory.dmp	family_meduza

Meduza family
meduza
Downloads MZ/PE file

Checks computer location settings 2 TTPs 1 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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	24c2b60c0ac34c1b84028a28baec5d70N.exe

Executes dropped EXE 1 IoCs

pid	Process
1840	fKXa#H3hF=rR.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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	24c2b60c0ac34c1b84028a28baec5d70N.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	24c2b60c0ac34c1b84028a28baec5d70N.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	24c2b60c0ac34c1b84028a28baec5d70N.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	24c2b60c0ac34c1b84028a28baec5d70N.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	24c2b60c0ac34c1b84028a28baec5d70N.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\My Program = "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AddInProcess32.exe"	AddInProcess32.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
22	api.ipify.org
23	api.ipify.org

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1840 set thread context of 2952	1840	fKXa#H3hF=rR.exe	95
PID 1840 set thread context of 4284	1840	fKXa#H3hF=rR.exe	103
PID 2952 set thread context of 4280	2952	AddInProcess32.exe	104

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 4 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	fKXa#H3hF=rR.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AddInProcess32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AddInProcess32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 13 IoCs

pid	Process
1100	24c2b60c0ac34c1b84028a28baec5d70N.exe
1100	24c2b60c0ac34c1b84028a28baec5d70N.exe
1100	24c2b60c0ac34c1b84028a28baec5d70N.exe
1100	24c2b60c0ac34c1b84028a28baec5d70N.exe
1840	fKXa#H3hF=rR.exe
1840	fKXa#H3hF=rR.exe
1840	fKXa#H3hF=rR.exe
1840	fKXa#H3hF=rR.exe
2952	AddInProcess32.exe
1840	fKXa#H3hF=rR.exe
1840	fKXa#H3hF=rR.exe
2952	AddInProcess32.exe
4280	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1840	fKXa#H3hF=rR.exe
Token: SeDebugPrivilege	2952	AddInProcess32.exe
Token: SeDebugPrivilege	4280	InstallUtil.exe
Token: SeBackupPrivilege	4280	InstallUtil.exe
Token: SeSecurityPrivilege	4280	InstallUtil.exe
Token: SeSecurityPrivilege	4280	InstallUtil.exe
Token: SeSecurityPrivilege	4280	InstallUtil.exe
Token: SeSecurityPrivilege	4280	InstallUtil.exe

Suspicious use of WriteProcessMemory 49 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 1840	1100	24c2b60c0ac34c1b84028a28baec5d70N.exe	94
PID 1100 wrote to memory of 1840	1100	24c2b60c0ac34c1b84028a28baec5d70N.exe	94
PID 1100 wrote to memory of 1840	1100	24c2b60c0ac34c1b84028a28baec5d70N.exe	94
PID 1840 wrote to memory of 2952	1840	fKXa#H3hF=rR.exe	95
PID 1840 wrote to memory of 2952	1840	fKXa#H3hF=rR.exe	95
PID 1840 wrote to memory of 2952	1840	fKXa#H3hF=rR.exe	95
PID 1840 wrote to memory of 2952	1840	fKXa#H3hF=rR.exe	95
PID 1840 wrote to memory of 2952	1840	fKXa#H3hF=rR.exe	95
PID 1840 wrote to memory of 2952	1840	fKXa#H3hF=rR.exe	95
PID 1840 wrote to memory of 2952	1840	fKXa#H3hF=rR.exe	95
PID 1840 wrote to memory of 2952	1840	fKXa#H3hF=rR.exe	95
PID 1840 wrote to memory of 3752	1840	fKXa#H3hF=rR.exe	100
PID 1840 wrote to memory of 3752	1840	fKXa#H3hF=rR.exe	100
PID 1840 wrote to memory of 3752	1840	fKXa#H3hF=rR.exe	100
PID 1840 wrote to memory of 3752	1840	fKXa#H3hF=rR.exe	100
PID 1840 wrote to memory of 3752	1840	fKXa#H3hF=rR.exe	100
PID 1840 wrote to memory of 3752	1840	fKXa#H3hF=rR.exe	100
PID 1840 wrote to memory of 3752	1840	fKXa#H3hF=rR.exe	100
PID 1840 wrote to memory of 3752	1840	fKXa#H3hF=rR.exe	100
PID 1840 wrote to memory of 3752	1840	fKXa#H3hF=rR.exe	100
PID 1840 wrote to memory of 3752	1840	fKXa#H3hF=rR.exe	100
PID 1840 wrote to memory of 1852	1840	fKXa#H3hF=rR.exe	101
PID 1840 wrote to memory of 1852	1840	fKXa#H3hF=rR.exe	101
PID 1840 wrote to memory of 1852	1840	fKXa#H3hF=rR.exe	101
PID 1840 wrote to memory of 1852	1840	fKXa#H3hF=rR.exe	101
PID 1840 wrote to memory of 1852	1840	fKXa#H3hF=rR.exe	101
PID 1840 wrote to memory of 1852	1840	fKXa#H3hF=rR.exe	101
PID 1840 wrote to memory of 1852	1840	fKXa#H3hF=rR.exe	101
PID 1840 wrote to memory of 1852	1840	fKXa#H3hF=rR.exe	101
PID 1840 wrote to memory of 1852	1840	fKXa#H3hF=rR.exe	101
PID 1840 wrote to memory of 1852	1840	fKXa#H3hF=rR.exe	101
PID 1840 wrote to memory of 4284	1840	fKXa#H3hF=rR.exe	103
PID 1840 wrote to memory of 4284	1840	fKXa#H3hF=rR.exe	103
PID 1840 wrote to memory of 4284	1840	fKXa#H3hF=rR.exe	103
PID 1840 wrote to memory of 4284	1840	fKXa#H3hF=rR.exe	103
PID 1840 wrote to memory of 4284	1840	fKXa#H3hF=rR.exe	103
PID 1840 wrote to memory of 4284	1840	fKXa#H3hF=rR.exe	103
PID 1840 wrote to memory of 4284	1840	fKXa#H3hF=rR.exe	103
PID 1840 wrote to memory of 4284	1840	fKXa#H3hF=rR.exe	103
PID 1840 wrote to memory of 4284	1840	fKXa#H3hF=rR.exe	103
PID 1840 wrote to memory of 4284	1840	fKXa#H3hF=rR.exe	103
PID 2952 wrote to memory of 4280	2952	AddInProcess32.exe	104
PID 2952 wrote to memory of 4280	2952	AddInProcess32.exe	104
PID 2952 wrote to memory of 4280	2952	AddInProcess32.exe	104
PID 2952 wrote to memory of 4280	2952	AddInProcess32.exe	104
PID 2952 wrote to memory of 4280	2952	AddInProcess32.exe	104
PID 2952 wrote to memory of 4280	2952	AddInProcess32.exe	104
PID 2952 wrote to memory of 4280	2952	AddInProcess32.exe	104
PID 2952 wrote to memory of 4280	2952	AddInProcess32.exe	104

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	24c2b60c0ac34c1b84028a28baec5d70N.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	24c2b60c0ac34c1b84028a28baec5d70N.exe

C:\Users\Admin\AppData\Local\Temp\24c2b60c0ac34c1b84028a28baec5d70N.exe
"C:\Users\Admin\AppData\Local\Temp\24c2b60c0ac34c1b84028a28baec5d70N.exe"
1⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1100
- C:\Users\Admin\AppData\Local\Temp\fKXa#H3hF=rR.exe
  "C:\Users\Admin\AppData\Local\Temp\fKXa#H3hF=rR.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1840
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2952
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:4280
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
    3⤵
    PID:3752
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
    3⤵
    PID:1852
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:4284

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

fKXa#H3hF=rR.exe

Path C:\Users\Admin\AppData\Local\Temp\fKXa#H3hF=rR.exe
Size 819KB
SHA256 af6757d30c99d62538ed1b681884481cfd08e0e277a7ec3b55d9e22f5bad1268
MD5 e6f22534386dfeabe97f646659b7820a
SHA1 5a6ec08a0e8107dd1e3b3d963f89a2cbadda6d72
SHA512 8ce9bbe046e6753a2dd0b948c4a206275eeb534e36953677dbc4ebc64c34d14e0d747b178aab4761126557d3a92a4b22afea51f534ff433c0dd87112271c7d5d
SSDEEP 6144:0b7yS7Erx+f9JkRwRlOXPZXMXGjgA1Nge6nEgGOWYimgTnGyv79uTNiwbfC2sPfZ:+yS7Er69ow3OXl1g4gebiWYaD9upU2Y
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1100-0-0x000001A5BA450000-0x000001A5BA538000-memory.dmp

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memory/1840-31-0x0000000008D00000-0x0000000008FC2000-memory.dmp

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memory/1840-32-0x0000000002600000-0x0000000002606000-memory.dmp

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memory/1840-27-0x0000000005270000-0x0000000005814000-memory.dmp

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memory/1840-28-0x0000000004CC0000-0x0000000004D52000-memory.dmp

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memory/1840-29-0x0000000004D60000-0x0000000004DFC000-memory.dmp

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memory/1840-30-0x00000000748C0000-0x0000000075070000-memory.dmp

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memory/1840-25-0x00000000748CE000-0x00000000748CF000-memory.dmp

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memory/1840-26-0x00000000005E0000-0x00000000006B2000-memory.dmp

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memory/1840-33-0x0000000007990000-0x000000000799A000-memory.dmp

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memory/1840-34-0x00000000748C0000-0x0000000075070000-memory.dmp

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memory/1840-35-0x000000000C030000-0x000000000C04A000-memory.dmp

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memory/1840-36-0x000000000B3A0000-0x000000000B3A6000-memory.dmp

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memory/1840-37-0x00000000748CE000-0x00000000748CF000-memory.dmp

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memory/1840-38-0x00000000748C0000-0x0000000075070000-memory.dmp

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memory/1840-39-0x00000000748C0000-0x0000000075070000-memory.dmp

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memory/1840-81-0x00000000748C0000-0x0000000075070000-memory.dmp

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memory/2952-49-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/2952-40-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/2952-41-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/2952-67-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/2952-65-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/2952-47-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/2952-45-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/2952-43-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/2952-63-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/2952-57-0x0000000000400000-0x00000000004B4000-memory.dmp

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memory/4280-96-0x00000000080A0000-0x00000000080DC000-memory.dmp

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memory/4280-91-0x0000000000400000-0x0000000000480000-memory.dmp

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memory/4280-93-0x00000000085E0000-0x0000000008BF8000-memory.dmp

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memory/4280-94-0x0000000008110000-0x000000000821A000-memory.dmp

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memory/4280-95-0x0000000008040000-0x0000000008052000-memory.dmp

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memory/4280-97-0x0000000008220000-0x000000000826C000-memory.dmp

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memory/4280-98-0x0000000008E00000-0x0000000008E66000-memory.dmp

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memory/4280-99-0x00000000090F0000-0x0000000009166000-memory.dmp

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memory/4280-100-0x00000000090C0000-0x00000000090DE000-memory.dmp

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memory/4280-101-0x0000000009CF0000-0x0000000009EB2000-memory.dmp

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memory/4280-102-0x000000000A7B0000-0x000000000ACDC000-memory.dmp

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memory/4284-78-0x0000000000400000-0x000000000043D000-memory.dmp

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memory/4284-80-0x0000000000400000-0x000000000043D000-memory.dmp

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