meduza | 560da3dd2f5d64466f1bcc3c9c6091c7729db8493151240f6fa235d2fa208272

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-10-2024 04:52

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General

Target

OpenBullet2.Native.exe
Size

1.5MB
MD5

aa0a9a5dc507324200b6fa394bca7c9a
SHA1

54c4f883fadb619082abdea43689ac16247fdd8c
SHA256

560da3dd2f5d64466f1bcc3c9c6091c7729db8493151240f6fa235d2fa208272
SHA512

907bd97c23cc039b0328e77c68a0ca5ce2a00daf717d9b82432c320436e3214eac8e22d5f58475168ed0ffbbac9eb7cb69721f3bde2b172020eb5404dda9a154
SSDEEP

49152:r7YdV288AqBKJIKBztU4ETekl1SzPXGuxZ/PUgD6TaytJolaPcVtM6jP:/LKBztU4G1SzeoPUuwGMW

Score

10^/10

meduza discovery stealer

Malware Config

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/0x0008000000023c92-4.dat	family_meduza

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	OpenBullet2.Native.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	api.exe

Executes dropped EXE 8 IoCs

pid	Process
2228	api.exe
4324	leaf.exe
4348	app.exe
2108	leaf.exe
668	svcupdater.exe
2880	svcupdater.exe
2016	svcupdater.exe
8	svcupdater.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4324 set thread context of 2108	4324	leaf.exe	103
PID 668 set thread context of 2016	668	svcupdater.exe	121

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 9 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	leaf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	leaf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svcupdater.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svcupdater.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OpenBullet2.Native.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	api.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svcupdater.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2408	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
668	svcupdater.exe
668	svcupdater.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	668	svcupdater.exe
Token: SeDebugPrivilege	2016	svcupdater.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 3984 wrote to memory of 2228	3984	OpenBullet2.Native.exe	86
PID 3984 wrote to memory of 2228	3984	OpenBullet2.Native.exe	86
PID 3984 wrote to memory of 2228	3984	OpenBullet2.Native.exe	86
PID 3984 wrote to memory of 4324	3984	OpenBullet2.Native.exe	87
PID 3984 wrote to memory of 4324	3984	OpenBullet2.Native.exe	87
PID 3984 wrote to memory of 4324	3984	OpenBullet2.Native.exe	87
PID 3984 wrote to memory of 4348	3984	OpenBullet2.Native.exe	88
PID 3984 wrote to memory of 4348	3984	OpenBullet2.Native.exe	88
PID 4324 wrote to memory of 2108	4324	leaf.exe	103
PID 4324 wrote to memory of 2108	4324	leaf.exe	103
PID 4324 wrote to memory of 2108	4324	leaf.exe	103
PID 4324 wrote to memory of 2108	4324	leaf.exe	103
PID 4324 wrote to memory of 2108	4324	leaf.exe	103
PID 4324 wrote to memory of 2108	4324	leaf.exe	103
PID 4324 wrote to memory of 2108	4324	leaf.exe	103
PID 4324 wrote to memory of 2108	4324	leaf.exe	103
PID 2108 wrote to memory of 2044	2108	leaf.exe	106
PID 2108 wrote to memory of 2044	2108	leaf.exe	106
PID 2108 wrote to memory of 2044	2108	leaf.exe	106
PID 2044 wrote to memory of 2408	2044	cmd.exe	108
PID 2044 wrote to memory of 2408	2044	cmd.exe	108
PID 2044 wrote to memory of 2408	2044	cmd.exe	108
PID 668 wrote to memory of 2880	668	svcupdater.exe	120
PID 668 wrote to memory of 2880	668	svcupdater.exe	120
PID 668 wrote to memory of 2880	668	svcupdater.exe	120
PID 668 wrote to memory of 2016	668	svcupdater.exe	121
PID 668 wrote to memory of 2016	668	svcupdater.exe	121
PID 668 wrote to memory of 2016	668	svcupdater.exe	121
PID 668 wrote to memory of 2016	668	svcupdater.exe	121
PID 668 wrote to memory of 2016	668	svcupdater.exe	121
PID 668 wrote to memory of 2016	668	svcupdater.exe	121
PID 668 wrote to memory of 2016	668	svcupdater.exe	121
PID 668 wrote to memory of 2016	668	svcupdater.exe	121

C:\Users\Admin\AppData\Local\Temp\OpenBullet2.Native.exe
"C:\Users\Admin\AppData\Local\Temp\OpenBullet2.Native.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3984
- C:\Users\Admin\api.exe
  "C:\Users\Admin\api.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2228
- C:\Users\Admin\AppData\Local\Temp\leaf.exe
  "C:\Users\Admin\AppData\Local\Temp\leaf.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4324
- - C:\Users\Admin\AppData\Local\Temp\leaf.exe
    "{path}"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2108
  - - C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C schtasks /create /tn \eOzNUSwmQA /tr "C:\Users\Admin\AppData\Roaming\eOzNUSwmQA\svcupdater.exe" /st 00:00 /du 9999:59 /sc once /ri 1 /f
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2044
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn \eOzNUSwmQA /tr "C:\Users\Admin\AppData\Roaming\eOzNUSwmQA\svcupdater.exe" /st 00:00 /du 9999:59 /sc once /ri 1 /f
        5⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2408
- C:\Users\Admin\AppData\Local\Temp\app.exe
  "C:\Users\Admin\AppData\Local\Temp\app.exe"
  2⤵
  - Executes dropped EXE
  PID:4348

C:\Users\Admin\AppData\Roaming\eOzNUSwmQA\svcupdater.exe
C:\Users\Admin\AppData\Roaming\eOzNUSwmQA\svcupdater.exe
1⤵
- 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:668
- C:\Users\Admin\AppData\Roaming\eOzNUSwmQA\svcupdater.exe
  "{path}"
  2⤵
  - Executes dropped EXE
  PID:2880
- C:\Users\Admin\AppData\Roaming\eOzNUSwmQA\svcupdater.exe
  "{path}"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2016

C:\Users\Admin\AppData\Roaming\eOzNUSwmQA\svcupdater.exe
C:\Users\Admin\AppData\Roaming\eOzNUSwmQA\svcupdater.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:8

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

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

Filesize
146KB

MD5
ee892d9effdb59eebaa822ac943df0a2

SHA1
ba98b011e27c92d4064a771b6c1ad5eb40adb86a

SHA256
ff60f3a01aa5cb89c356e12fe375e4f5349df1777235f745913c78819218c06b

SHA512
eaae421c35b5637a2edf489dbb26473f38879f1ed9125d9b91344318c659a36bebbc8bccb20b592eeb955d392fdbe6e1bc5685349209fb4d9a8ce1c744ff9b86

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

Filesize
630KB

MD5
8c8c3bcf475b5c95673a810b10a2fc52

SHA1
268cb3a6a4194efb14c1bdc82cfab3485c64fa73

SHA256
7f02583173f6e150677af6fe09226fa6b4fc9efa2523f393a89b31155a1122c0

SHA512
f1948ce32f46a34e425d2f59f5c4e6de56cbc1e29ecfd706c95f4b00ec2831ccc21a44b81cd18d8d03fe6681463276cd4c8d31b19bff712574b1ff765bb4e846

Download Submit
C:\Users\Admin\api.exe

Filesize
677KB

MD5
9022192413dda223b6e8afd73a22cfaa

SHA1
dbfc6d6667fcc47daa13a317c8791a93f5e495b0

SHA256
f575eb5246b5c6b9044ea04610528c040c982904a5fb3dc1909ce2f0ec15c9ef

SHA512
d5311ba2138f184b44b73e63067e5446a77640bfe9f75c87e81935e120ee3ca1918ad3d36ebcf24ebadff0d9afec10ab1d3276d4b20d9821466ba8183c80b7ab

Download Submit
memory/2108-52-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/4324-44-0x0000000074330000-0x0000000074AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4324-48-0x000000007433E000-0x000000007433F000-memory.dmp

Filesize
4KB

Download
memory/4324-43-0x0000000005560000-0x00000000055F2000-memory.dmp

Filesize
584KB

Download
memory/4324-41-0x00000000054C0000-0x000000000555C000-memory.dmp

Filesize
624KB

Download
memory/4324-45-0x0000000005450000-0x000000000545A000-memory.dmp

Filesize
40KB

Download
memory/4324-46-0x0000000005660000-0x00000000056B6000-memory.dmp

Filesize
344KB

Download
memory/4324-47-0x0000000002D40000-0x0000000002D54000-memory.dmp

Filesize
80KB

Download
memory/4324-42-0x0000000005B10000-0x00000000060B4000-memory.dmp

Filesize
5.6MB

Download
memory/4324-49-0x0000000074330000-0x0000000074AE0000-memory.dmp

Filesize
7.7MB

Download
memory/4324-50-0x0000000006D30000-0x0000000006D90000-memory.dmp

Filesize
384KB

Download
memory/4324-51-0x0000000006B30000-0x0000000006B38000-memory.dmp

Filesize
32KB

Download
memory/4324-40-0x00000000009C0000-0x0000000000A64000-memory.dmp

Filesize
656KB

Download
memory/4324-39-0x000000007433E000-0x000000007433F000-memory.dmp

Filesize
4KB

Download
memory/4324-57-0x0000000074330000-0x0000000074AE0000-memory.dmp

Filesize
7.7MB

Download