meduza | c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6

General

Target
c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe
Size 1.5MB
Sample240930-c1sknatcmn
SHA256 c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6
MD5 922a0eff0c9d9cddbcc13beda1bd216c
SHA1 95056562770dc2804d32fb5c81e0f9ca271e0c7f
SHA512 2961b75f7f171939ebaa1cdb981affb872dd76cf645132dab98f169657914deabc700cfaee710b12177070c99d6da0597e64fa45e31427e7b762f5979ab4fca3
SSDEEP 24576:S9hSDFEfJ3HW888ttsFuquiL4EccqEDr798/IZ0blyGZdMa7d:S9hMFEfVHW888PsFTtL4nQ798Nbl9
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

meduza collection discovery spyware stealer

Malware Config

Extracted

Family

meduza

C2

109.107.181.162

Attributes

anti_dbg
true
anti_vm
true
build_name
420
extensions
none
grabber_max_size
1.048576e+06
links
none
port
15666
self_destruct
true

Signatures

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

Meduza Stealer payload 6 IoCs

resource	yara_rule
behavioral2/memory/3152-5-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral2/memory/3152-6-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral2/memory/3152-9-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral2/memory/3152-3-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral2/memory/3152-18-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza
behavioral2/memory/3152-19-0x0000000140000000-0x000000014010F000-memory.dmp	family_meduza

Meduza family
meduza

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe

Loads dropped DLL 1 IoCs

pid	Process
3840	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Office\12.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Office\14.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.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
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3840 set thread context of 3152	3840	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	82

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 Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
1352	cmd.exe
4600	PING.EXE

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\a.exe:extractor.dll	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4600	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3152	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe
3152	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3840 wrote to memory of 3152	3840	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	82
PID 3840 wrote to memory of 3152	3840	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	82
PID 3840 wrote to memory of 3152	3840	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	82
PID 3840 wrote to memory of 3152	3840	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	82
PID 3840 wrote to memory of 3152	3840	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	82
PID 3840 wrote to memory of 3152	3840	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	82
PID 3840 wrote to memory of 3152	3840	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	82
PID 3840 wrote to memory of 3152	3840	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	82
PID 3840 wrote to memory of 3152	3840	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	82
PID 3840 wrote to memory of 3152	3840	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	82
PID 3840 wrote to memory of 3152	3840	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	82
PID 3840 wrote to memory of 3152	3840	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	82
PID 3840 wrote to memory of 3152	3840	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	82
PID 3840 wrote to memory of 3152	3840	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	82
PID 3840 wrote to memory of 3152	3840	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	82
PID 3152 wrote to memory of 1352	3152	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	83
PID 3152 wrote to memory of 1352	3152	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe	83
PID 1352 wrote to memory of 4600	1352	cmd.exe	85
PID 1352 wrote to memory of 4600	1352	cmd.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe

C:\Users\Admin\AppData\Local\Temp\c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe
"C:\Users\Admin\AppData\Local\Temp\c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:3840
- C:\Users\Admin\AppData\Local\Temp\c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe
  "C:\Users\Admin\AppData\Local\Temp\c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe"
  2⤵
  - Checks computer location settings
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:3152
- - C:\Windows\System32\cmd.exe
    "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\c8f3827b6a5bbcd498c1dfa9956a5961df1272eb3a310a9fdca1b5e26b242ce6.exe"
    3⤵
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:1352
  - - C:\Windows\system32\PING.EXE
      ping 1.1.1.1 -n 1 -w 3000
      4⤵
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:4600

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

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

a.exe:extractor.dll

Path C:\Users\Admin\AppData\Local\Temp\a.exe:extractor.dll
Size 1.2MB
SHA256 a201a1870abbcfa92d628f752dd71fe48f9331f026ec16a711cfeba146683604
MD5 db19e6565b4877c2b1962cf7855105a0
SHA1 334ebd7df27fe2b6109ebfd85ba68af8a05fb5c8
SHA512 18018b9d8f9d1663622d762af56ac76dc287d55c2ce947f995a77731b8f08a536ede90fcbde85c8af8a20ac5524ced248be1addb573100cedecd48d00664e88f
SSDEEP 24576:5tYuDxnwgQnIVRlzxpWG2nJa7KBunnmsz:5tYYxnwNIVHzxr2c7Kanm
MD5 SHA1 SHA512 SSDEEP

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memory/3152-5-0x0000000140000000-0x000000014010F000-memory.dmp

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memory/3152-6-0x0000000140000000-0x000000014010F000-memory.dmp

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memory/3152-9-0x0000000140000000-0x000000014010F000-memory.dmp

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memory/3152-3-0x0000000140000000-0x000000014010F000-memory.dmp

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memory/3152-18-0x0000000140000000-0x000000014010F000-memory.dmp

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memory/3152-19-0x0000000140000000-0x000000014010F000-memory.dmp

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memory/3840-7-0x00007FF6D9DB0000-0x00007FF6D9F31000-memory.dmp

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memory/3840-8-0x00007FFC9C570000-0x00007FFC9C6A7000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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