meduza | 560da3dd2f5d64466f1bcc3c9c6091c7729db8493151240f6fa235d2fa208272

Analysis

max time kernel
150s
max time network
155s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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
behavioral1/files/0x0009000000012255-2.dat	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-1-5-21-3692679935-4019334568-335155002-1000\Control Panel\International\Geo\Nation	api.exe

Executes dropped EXE 7 IoCs

pid	Process
2488	api.exe
2868	leaf.exe
2972	app.exe
288	leaf.exe
2816	svcupdater.exe
2156	svcupdater.exe
940	svcupdater.exe

Loads dropped DLL 5 IoCs

pid	Process
2328	OpenBullet2.Native.exe
2328	OpenBullet2.Native.exe
2328	OpenBullet2.Native.exe
2868	leaf.exe
2816	svcupdater.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2868 set thread context of 288	2868	leaf.exe	32
PID 2816 set thread context of 2156	2816	svcupdater.exe	38

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 8 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	schtasks.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	svcupdater.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OpenBullet2.Native.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
3068	schtasks.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2156	svcupdater.exe

Suspicious use of WriteProcessMemory 55 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2488	2328	OpenBullet2.Native.exe	29
PID 2328 wrote to memory of 2488	2328	OpenBullet2.Native.exe	29
PID 2328 wrote to memory of 2488	2328	OpenBullet2.Native.exe	29
PID 2328 wrote to memory of 2488	2328	OpenBullet2.Native.exe	29
PID 2328 wrote to memory of 2868	2328	OpenBullet2.Native.exe	30
PID 2328 wrote to memory of 2868	2328	OpenBullet2.Native.exe	30
PID 2328 wrote to memory of 2868	2328	OpenBullet2.Native.exe	30
PID 2328 wrote to memory of 2868	2328	OpenBullet2.Native.exe	30
PID 2328 wrote to memory of 2972	2328	OpenBullet2.Native.exe	31
PID 2328 wrote to memory of 2972	2328	OpenBullet2.Native.exe	31
PID 2328 wrote to memory of 2972	2328	OpenBullet2.Native.exe	31
PID 2328 wrote to memory of 2972	2328	OpenBullet2.Native.exe	31
PID 2868 wrote to memory of 288	2868	leaf.exe	32
PID 2868 wrote to memory of 288	2868	leaf.exe	32
PID 2868 wrote to memory of 288	2868	leaf.exe	32
PID 2868 wrote to memory of 288	2868	leaf.exe	32
PID 2868 wrote to memory of 288	2868	leaf.exe	32
PID 2868 wrote to memory of 288	2868	leaf.exe	32
PID 2868 wrote to memory of 288	2868	leaf.exe	32
PID 2868 wrote to memory of 288	2868	leaf.exe	32
PID 2868 wrote to memory of 288	2868	leaf.exe	32
PID 288 wrote to memory of 1264	288	leaf.exe	33
PID 288 wrote to memory of 1264	288	leaf.exe	33
PID 288 wrote to memory of 1264	288	leaf.exe	33
PID 288 wrote to memory of 1264	288	leaf.exe	33
PID 1264 wrote to memory of 3068	1264	cmd.exe	35
PID 1264 wrote to memory of 3068	1264	cmd.exe	35
PID 1264 wrote to memory of 3068	1264	cmd.exe	35
PID 1264 wrote to memory of 3068	1264	cmd.exe	35
PID 2612 wrote to memory of 2816	2612	taskeng.exe	37
PID 2612 wrote to memory of 2816	2612	taskeng.exe	37
PID 2612 wrote to memory of 2816	2612	taskeng.exe	37
PID 2612 wrote to memory of 2816	2612	taskeng.exe	37
PID 2612 wrote to memory of 2816	2612	taskeng.exe	37
PID 2612 wrote to memory of 2816	2612	taskeng.exe	37
PID 2612 wrote to memory of 2816	2612	taskeng.exe	37
PID 2816 wrote to memory of 2156	2816	svcupdater.exe	38
PID 2816 wrote to memory of 2156	2816	svcupdater.exe	38
PID 2816 wrote to memory of 2156	2816	svcupdater.exe	38
PID 2816 wrote to memory of 2156	2816	svcupdater.exe	38
PID 2816 wrote to memory of 2156	2816	svcupdater.exe	38
PID 2816 wrote to memory of 2156	2816	svcupdater.exe	38
PID 2816 wrote to memory of 2156	2816	svcupdater.exe	38
PID 2816 wrote to memory of 2156	2816	svcupdater.exe	38
PID 2816 wrote to memory of 2156	2816	svcupdater.exe	38
PID 2816 wrote to memory of 2156	2816	svcupdater.exe	38
PID 2816 wrote to memory of 2156	2816	svcupdater.exe	38
PID 2816 wrote to memory of 2156	2816	svcupdater.exe	38
PID 2612 wrote to memory of 940	2612	taskeng.exe	39
PID 2612 wrote to memory of 940	2612	taskeng.exe	39
PID 2612 wrote to memory of 940	2612	taskeng.exe	39
PID 2612 wrote to memory of 940	2612	taskeng.exe	39
PID 2612 wrote to memory of 940	2612	taskeng.exe	39
PID 2612 wrote to memory of 940	2612	taskeng.exe	39
PID 2612 wrote to memory of 940	2612	taskeng.exe	39

C:\Users\Admin\AppData\Local\Temp\OpenBullet2.Native.exe
"C:\Users\Admin\AppData\Local\Temp\OpenBullet2.Native.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Users\Admin\api.exe
  "C:\Users\Admin\api.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:2488
- C:\Users\Admin\AppData\Local\Temp\leaf.exe
  "C:\Users\Admin\AppData\Local\Temp\leaf.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2868
- - C:\Users\Admin\AppData\Local\Temp\leaf.exe
    "{path}"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:288
  - - 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:1264
    - - 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:3068
- C:\Users\Admin\AppData\Local\Temp\app.exe
  "C:\Users\Admin\AppData\Local\Temp\app.exe"
  2⤵
  - Executes dropped EXE
  PID:2972

C:\Windows\system32\taskeng.exe
taskeng.exe {D9C21B1B-5AFE-4F16-BA89-CF26A3AC0561} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2612
- C:\Users\Admin\AppData\Roaming\eOzNUSwmQA\svcupdater.exe
  C:\Users\Admin\AppData\Roaming\eOzNUSwmQA\svcupdater.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2816
- - C:\Users\Admin\AppData\Roaming\eOzNUSwmQA\svcupdater.exe
    "{path}"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2156
- C:\Users\Admin\AppData\Roaming\eOzNUSwmQA\svcupdater.exe
  C:\Users\Admin\AppData\Roaming\eOzNUSwmQA\svcupdater.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:940

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

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Downloads

C:\Users\Admin\AppData\Roaming\eOzNUSwmQA\svcupdater.exe

Filesize
619.9MB

MD5
477730a82efcf00d2bbd5a20754b526b

SHA1
f8bef1b9c06ef40da1261b1872852ebf0a06288f

SHA256
0013ef004ef3975d45a4efaa5b373ffebaebf99630b3dc861a2a8405ab1e712c

SHA512
656632045f12ae06f0860364a325008ebda46edbd5cb591179fe55153811a6d2ab67987d946070cb2071a90b9f6f30de295a70647571d5498d59803084fe111c

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

Filesize
146KB

MD5
ee892d9effdb59eebaa822ac943df0a2

SHA1
ba98b011e27c92d4064a771b6c1ad5eb40adb86a

SHA256
ff60f3a01aa5cb89c356e12fe375e4f5349df1777235f745913c78819218c06b

SHA512
eaae421c35b5637a2edf489dbb26473f38879f1ed9125d9b91344318c659a36bebbc8bccb20b592eeb955d392fdbe6e1bc5685349209fb4d9a8ce1c744ff9b86

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

Filesize
630KB

MD5
8c8c3bcf475b5c95673a810b10a2fc52

SHA1
268cb3a6a4194efb14c1bdc82cfab3485c64fa73

SHA256
7f02583173f6e150677af6fe09226fa6b4fc9efa2523f393a89b31155a1122c0

SHA512
f1948ce32f46a34e425d2f59f5c4e6de56cbc1e29ecfd706c95f4b00ec2831ccc21a44b81cd18d8d03fe6681463276cd4c8d31b19bff712574b1ff765bb4e846

Download Submit
\Users\Admin\api.exe

Filesize
677KB

MD5
9022192413dda223b6e8afd73a22cfaa

SHA1
dbfc6d6667fcc47daa13a317c8791a93f5e495b0

SHA256
f575eb5246b5c6b9044ea04610528c040c982904a5fb3dc1909ce2f0ec15c9ef

SHA512
d5311ba2138f184b44b73e63067e5446a77640bfe9f75c87e81935e120ee3ca1918ad3d36ebcf24ebadff0d9afec10ab1d3276d4b20d9821466ba8183c80b7ab

Download Submit
memory/288-24-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/288-27-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/288-25-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/288-34-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/288-29-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/288-35-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/288-32-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/288-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2156-51-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2156-55-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2156-54-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2816-40-0x0000000001220000-0x00000000012C4000-memory.dmp

Filesize
656KB

Download
memory/2816-41-0x0000000000230000-0x0000000000244000-memory.dmp

Filesize
80KB

Download
memory/2868-19-0x0000000000490000-0x00000000004A4000-memory.dmp

Filesize
80KB

Download
memory/2868-20-0x0000000001F60000-0x0000000001FC0000-memory.dmp

Filesize
384KB

Download
memory/2868-21-0x0000000000530000-0x0000000000538000-memory.dmp

Filesize
32KB

Download
memory/2868-18-0x0000000000A30000-0x0000000000AD4000-memory.dmp

Filesize
656KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads