meduza | 36a7054e0809458da4f3ab40f2d604dcb9cff19ed5c5c72bd61e00116568cb24

Analysis

max time kernel
129s
max time network
139s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02-08-2024 03:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe
Size

8.5MB
MD5

56b45c6edd70b8d85df6399eea6d24d1
SHA1

15a65e88ec6dc89e35fef0c5e786ac255d6d4a6e
SHA256

70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c
SHA512

55275a2511cbd72ce38732ae9d677b753bf813949338182fe2ecdaf026e7438e219bf287ee88805100ed8768377f63009c4b1655fd5de14c5db41501c16b96cc
SSDEEP

196608:P0akhW+OUggVe3hwHqxogDycV3B7+JULH9XO8WIu:P06+FZKxoM33YURc1

Score

10^/10

meduza discovery pyinstaller 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/0x0008000000016be9-12.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-1-5-21-2703099537-420551529-3771253338-1000\Control Panel\International\Geo\Nation	api.exe

Executes dropped EXE 9 IoCs

pid	Process
2108	leaf.exe
2224	api.exe
2856	lib.exe
2532	lib.exe
2080	leaf.exe
2512	leaf.exe
484	leaf.exe
2228	svcupdater.exe
2968	svcupdater.exe

Loads dropped DLL 10 IoCs

pid	Process
2440	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe
2440	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe
2440	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe
2888	Process not Found
2856	lib.exe
2532	lib.exe
2108	leaf.exe
2108	leaf.exe
2108	leaf.exe
2228	svcupdater.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2108 set thread context of 484	2108	leaf.exe	36
PID 2228 set thread context of 2968	2228	svcupdater.exe	42

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
behavioral1/files/0x0008000000016c66-15.dat	pyinstaller

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 7 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	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe
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

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
1004	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2108	leaf.exe
2108	leaf.exe
2108	leaf.exe
2108	leaf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2108	leaf.exe
Token: SeDebugPrivilege	2968	svcupdater.exe

Suspicious use of WriteProcessMemory 59 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2108	2440	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	29
PID 2440 wrote to memory of 2108	2440	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	29
PID 2440 wrote to memory of 2108	2440	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	29
PID 2440 wrote to memory of 2108	2440	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	29
PID 2440 wrote to memory of 2224	2440	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	30
PID 2440 wrote to memory of 2224	2440	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	30
PID 2440 wrote to memory of 2224	2440	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	30
PID 2440 wrote to memory of 2224	2440	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	30
PID 2440 wrote to memory of 2856	2440	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	31
PID 2440 wrote to memory of 2856	2440	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	31
PID 2440 wrote to memory of 2856	2440	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	31
PID 2440 wrote to memory of 2856	2440	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	31
PID 2856 wrote to memory of 2532	2856	lib.exe	33
PID 2856 wrote to memory of 2532	2856	lib.exe	33
PID 2856 wrote to memory of 2532	2856	lib.exe	33
PID 2108 wrote to memory of 2080	2108	leaf.exe	34
PID 2108 wrote to memory of 2080	2108	leaf.exe	34
PID 2108 wrote to memory of 2080	2108	leaf.exe	34
PID 2108 wrote to memory of 2080	2108	leaf.exe	34
PID 2108 wrote to memory of 2512	2108	leaf.exe	35
PID 2108 wrote to memory of 2512	2108	leaf.exe	35
PID 2108 wrote to memory of 2512	2108	leaf.exe	35
PID 2108 wrote to memory of 2512	2108	leaf.exe	35
PID 2108 wrote to memory of 484	2108	leaf.exe	36
PID 2108 wrote to memory of 484	2108	leaf.exe	36
PID 2108 wrote to memory of 484	2108	leaf.exe	36
PID 2108 wrote to memory of 484	2108	leaf.exe	36
PID 2108 wrote to memory of 484	2108	leaf.exe	36
PID 2108 wrote to memory of 484	2108	leaf.exe	36
PID 2108 wrote to memory of 484	2108	leaf.exe	36
PID 2108 wrote to memory of 484	2108	leaf.exe	36
PID 2108 wrote to memory of 484	2108	leaf.exe	36
PID 484 wrote to memory of 1260	484	leaf.exe	37
PID 484 wrote to memory of 1260	484	leaf.exe	37
PID 484 wrote to memory of 1260	484	leaf.exe	37
PID 484 wrote to memory of 1260	484	leaf.exe	37
PID 1260 wrote to memory of 1004	1260	cmd.exe	39
PID 1260 wrote to memory of 1004	1260	cmd.exe	39
PID 1260 wrote to memory of 1004	1260	cmd.exe	39
PID 1260 wrote to memory of 1004	1260	cmd.exe	39
PID 2620 wrote to memory of 2228	2620	taskeng.exe	41
PID 2620 wrote to memory of 2228	2620	taskeng.exe	41
PID 2620 wrote to memory of 2228	2620	taskeng.exe	41
PID 2620 wrote to memory of 2228	2620	taskeng.exe	41
PID 2620 wrote to memory of 2228	2620	taskeng.exe	41
PID 2620 wrote to memory of 2228	2620	taskeng.exe	41
PID 2620 wrote to memory of 2228	2620	taskeng.exe	41
PID 2228 wrote to memory of 2968	2228	svcupdater.exe	42
PID 2228 wrote to memory of 2968	2228	svcupdater.exe	42
PID 2228 wrote to memory of 2968	2228	svcupdater.exe	42
PID 2228 wrote to memory of 2968	2228	svcupdater.exe	42
PID 2228 wrote to memory of 2968	2228	svcupdater.exe	42
PID 2228 wrote to memory of 2968	2228	svcupdater.exe	42
PID 2228 wrote to memory of 2968	2228	svcupdater.exe	42
PID 2228 wrote to memory of 2968	2228	svcupdater.exe	42
PID 2228 wrote to memory of 2968	2228	svcupdater.exe	42
PID 2228 wrote to memory of 2968	2228	svcupdater.exe	42
PID 2228 wrote to memory of 2968	2228	svcupdater.exe	42
PID 2228 wrote to memory of 2968	2228	svcupdater.exe	42

C:\Users\Admin\AppData\Local\Temp\70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe
"C:\Users\Admin\AppData\Local\Temp\70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2440
- 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 behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2108
- - C:\Users\Admin\AppData\Local\Temp\leaf.exe
    "{path}"
    3⤵
    - Executes dropped EXE
    PID:2080
- - C:\Users\Admin\AppData\Local\Temp\leaf.exe
    "{path}"
    3⤵
    - Executes dropped EXE
    PID:2512
- - C:\Users\Admin\AppData\Local\Temp\leaf.exe
    "{path}"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:484
  - - 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:1260
    - - 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:1004
- C:\Users\Admin\AppData\Local\Temp\api.exe
  "C:\Users\Admin\AppData\Local\Temp\api.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:2224
- C:\Users\Admin\AppData\Local\Temp\lib.exe
  "C:\Users\Admin\AppData\Local\Temp\lib.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2856
- - C:\Users\Admin\AppData\Local\Temp\lib.exe
    "C:\Users\Admin\AppData\Local\Temp\lib.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2532

C:\Windows\system32\taskeng.exe
taskeng.exe {26577368-FC98-4053-ACCA-E496DC655BA2} S-1-5-21-2703099537-420551529-3771253338-1000:XECUDNCD\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2620
- 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:2228
- - C:\Users\Admin\AppData\Roaming\eOzNUSwmQA\svcupdater.exe
    "{path}"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    PID:2968

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\_MEI28562\python311.dll

Filesize
5.5MB

MD5
e2bd5ae53427f193b42d64b8e9bf1943

SHA1
7c317aad8e2b24c08d3b8b3fba16dd537411727f

SHA256
c4844b05e3a936b130adedb854d3c04d49ee54edb43e9d36f8c4ae94ccb78400

SHA512
ae23a6707e539c619fd5c5b4fc6e4734edc91f89ebe024d25ff2a70168da6105ac0bd47cf6bf3715af6411963caf0acbb4632464e1619ca6361abf53adfe7036

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

Filesize
677KB

MD5
9022192413dda223b6e8afd73a22cfaa

SHA1
dbfc6d6667fcc47daa13a317c8791a93f5e495b0

SHA256
f575eb5246b5c6b9044ea04610528c040c982904a5fb3dc1909ce2f0ec15c9ef

SHA512
d5311ba2138f184b44b73e63067e5446a77640bfe9f75c87e81935e120ee3ca1918ad3d36ebcf24ebadff0d9afec10ab1d3276d4b20d9821466ba8183c80b7ab

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\AppData\Roaming\eOzNUSwmQA\svcupdater.exe

Filesize
679.6MB

MD5
05cf1d7ae458e976f72a3ebd4e550b2e

SHA1
ffb9ac2184b4eb390dd8d9677481502912e98f02

SHA256
99ba6f03f7dd01b9aa9b3c1aedd98704c21913df5d5848aff817413ac84db441

SHA512
3fbdcc62f1ec07de20992aef83d7583073ae5fd899cdfe20afaae0fd33c59029d944ad1c766a97a3c82b2561a2c0e4edcb69e89c1f2a8937e2456bc2db7eef39

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

Filesize
7.3MB

MD5
d1540618704ecaca1a503b496ed7b801

SHA1
047c0e7c3b0d03470177dfe17053fdb34ea378a4

SHA256
1c864d2dec413df7d389bf89cc5b0f38c879a93c043a22c98570c1eea12099aa

SHA512
8c91198512c946d1d0aa5583b8eaf96f111091e75ea26a853597b2791d44965e8005fc8e19267ce4cb7180b715968832d15af987dae7b6aaa1eef6b459f043b9

Download Submit
memory/484-79-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/484-80-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/484-70-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/484-68-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/484-74-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/484-77-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/484-76-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/484-72-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2108-62-0x0000000000570000-0x0000000000578000-memory.dmp

Filesize
32KB

Download
memory/2108-61-0x00000000007A0000-0x0000000000800000-memory.dmp

Filesize
384KB

Download
memory/2108-60-0x0000000000450000-0x0000000000464000-memory.dmp

Filesize
80KB

Download
memory/2108-32-0x00000000001F0000-0x0000000000294000-memory.dmp

Filesize
656KB

Download
memory/2228-85-0x00000000010C0000-0x0000000001164000-memory.dmp

Filesize
656KB

Download
memory/2228-86-0x00000000003A0000-0x00000000003B4000-memory.dmp

Filesize
80KB

Download
memory/2968-96-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2968-100-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2968-99-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download