meduza | 2957e137ac0b2ae27077171cd0ba1df6eede546e89b61cde7a07a2348231d3f0

General

Target

SynapseExec.exe
Size

703.5MB
MD5

62bb6efbf8f88a41e59464179b2cec5f
SHA1

8659fab37bbb322396246c7dae5481e3c8e187b9
SHA256

2957e137ac0b2ae27077171cd0ba1df6eede546e89b61cde7a07a2348231d3f0
SHA512

dc8b7d8c7ac0f2182ec43c361e63485605f36d5ac52ff21647daeec1788a1a477ee5d0b04ec86db7544ce8d8caba122ddd3152991ed0b468a4d5030d145ae5c5
SSDEEP

98304:L57plQ1rRPyQRUbhFVSDoWGbqNv2OJzfIlgrSdMnH:pplMRPyQRUbhFwDp2+HfpSdoH

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

C2

45.130.145.152

Attributes

anti_dbg
true
anti_vm
true
build_name
Work
extensions
.txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite
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 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2264-26-0x000002281B6E0000-0x000002281B81E000-memory.dmp	family_meduza
behavioral1/memory/2264-33-0x000002281B6E0000-0x000002281B81E000-memory.dmp	family_meduza
behavioral1/memory/2264-36-0x000002281B6E0000-0x000002281B81E000-memory.dmp	family_meduza

Meduza family
meduza
Downloads MZ/PE file

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

installer.exeSynapseExec.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	installer.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	SynapseExec.exe

Executes dropped EXE 1 IoCs

Processes:

installer.exe

pid	Process
2264	installer.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

Processes:

installer.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installer.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installer.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installer.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installer.exe
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installer.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.

Processes:

flow	ioc
37	api.ipify.org
38	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

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

SynapseExec.exeinstaller.exe

pid	Process
4372	SynapseExec.exe
2264	installer.exe
2264	installer.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

SynapseExec.exeinstaller.exe

description	pid	Process
Token: SeDebugPrivilege	4372	SynapseExec.exe
Token: SeDebugPrivilege	2264	installer.exe
Token: SeImpersonatePrivilege	2264	installer.exe
Token: SeIncreaseQuotaPrivilege	4372	SynapseExec.exe
Token: SeSecurityPrivilege	4372	SynapseExec.exe
Token: SeTakeOwnershipPrivilege	4372	SynapseExec.exe
Token: SeLoadDriverPrivilege	4372	SynapseExec.exe
Token: SeSystemProfilePrivilege	4372	SynapseExec.exe
Token: SeSystemtimePrivilege	4372	SynapseExec.exe
Token: SeProfSingleProcessPrivilege	4372	SynapseExec.exe
Token: SeIncBasePriorityPrivilege	4372	SynapseExec.exe
Token: SeCreatePagefilePrivilege	4372	SynapseExec.exe
Token: SeBackupPrivilege	4372	SynapseExec.exe
Token: SeRestorePrivilege	4372	SynapseExec.exe
Token: SeShutdownPrivilege	4372	SynapseExec.exe
Token: SeDebugPrivilege	4372	SynapseExec.exe
Token: SeSystemEnvironmentPrivilege	4372	SynapseExec.exe
Token: SeRemoteShutdownPrivilege	4372	SynapseExec.exe
Token: SeUndockPrivilege	4372	SynapseExec.exe
Token: SeManageVolumePrivilege	4372	SynapseExec.exe
Token: 33	4372	SynapseExec.exe
Token: 34	4372	SynapseExec.exe
Token: 35	4372	SynapseExec.exe
Token: 36	4372	SynapseExec.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

SynapseExec.exe

description	pid	Process	procid_target
PID 4372 wrote to memory of 2264	4372	SynapseExec.exe	104
PID 4372 wrote to memory of 2264	4372	SynapseExec.exe	104

outlook_office_path 1 IoCs

Processes:

installer.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installer.exe

outlook_win_path 1 IoCs

Processes:

installer.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	installer.exe

C:\Users\Admin\AppData\Local\Temp\SynapseExec.exe
"C:\Users\Admin\AppData\Local\Temp\SynapseExec.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4372
- C:\Users\Admin\AppData\Local\Temp\installer.exe
  "C:\Users\Admin\AppData\Local\Temp\installer.exe"
  2⤵
  - 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:2264

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:3872

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yr4jli2a.byf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\installer.exe

Filesize
3.2MB

MD5
f16649c66acae1badb27a896fd9e97c5

SHA1
179c138197c7b6fa3c8741398d895a757d745620

SHA256
011be31b68624ff1b59d8733e7196d5be6015adba63cc7962c9f300f72a95199

SHA512
c972643df907598bde50ff812411a76670e5ec9194e6aa6f47abd445ea0b74f91a2eee41a52cb6b8bfd0ac1aef2759653c4bb582a3b6ce9daa42779a2e5814b0

Download Submit
memory/2264-36-0x000002281B6E0000-0x000002281B81E000-memory.dmp

Filesize
1.2MB

Download
memory/2264-33-0x000002281B6E0000-0x000002281B81E000-memory.dmp

Filesize
1.2MB

Download
memory/2264-26-0x000002281B6E0000-0x000002281B81E000-memory.dmp

Filesize
1.2MB

Download
memory/2264-25-0x00007FFD53EF0000-0x00007FFD540E5000-memory.dmp

Filesize
2.0MB

Download
memory/4372-3-0x00007FFD34B10000-0x00007FFD355D1000-memory.dmp

Filesize
10.8MB

Download
memory/4372-15-0x00007FFD34B10000-0x00007FFD355D1000-memory.dmp

Filesize
10.8MB

Download
memory/4372-16-0x00007FFD34B10000-0x00007FFD355D1000-memory.dmp

Filesize
10.8MB

Download
memory/4372-14-0x000001FAD7450000-0x000001FAD7472000-memory.dmp

Filesize
136KB

Download
memory/4372-4-0x00007FFD34B13000-0x00007FFD34B15000-memory.dmp

Filesize
8KB

Download
memory/4372-0-0x00007FFD34B13000-0x00007FFD34B15000-memory.dmp

Filesize
8KB

Download
memory/4372-2-0x00007FFD34B10000-0x00007FFD355D1000-memory.dmp

Filesize
10.8MB

Download
memory/4372-35-0x00007FFD34B10000-0x00007FFD355D1000-memory.dmp

Filesize
10.8MB

Download
memory/4372-1-0x000001FA8F390000-0x000001FA90390000-memory.dmp

Filesize
16.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads