meduza | 36a7054e0809458da4f3ab40f2d604dcb9cff19ed5c5c72bd61e00116568cb24

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
02-08-2024 02:01

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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/0x0007000000019332-11.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-1-5-21-2257386474-3982792636-3902186748-1000\Control Panel\International\Geo\Nation	api.exe

Executes dropped EXE 9 IoCs

pid	Process
2200	leaf.exe
1744	api.exe
2100	lib.exe
2648	lib.exe
2224	leaf.exe
2312	leaf.exe
1992	leaf.exe
1052	leaf.exe
1460	leaf.exe

Loads dropped DLL 11 IoCs

pid	Process
1008	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe
1008	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe
1008	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe
2056	Process not Found
2100	lib.exe
2648	lib.exe
2200	leaf.exe
2200	leaf.exe
2200	leaf.exe
2200	leaf.exe
2200	leaf.exe

Detects Pyinstaller 1 IoCs

pyinstaller

resource	yara_rule
behavioral1/files/0x0006000000019388-15.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 2 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

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2200	leaf.exe
2200	leaf.exe
2200	leaf.exe
2200	leaf.exe
2200	leaf.exe
2200	leaf.exe
2200	leaf.exe
2200	leaf.exe
2200	leaf.exe
2200	leaf.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2200	leaf.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 2200	1008	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	30
PID 1008 wrote to memory of 2200	1008	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	30
PID 1008 wrote to memory of 2200	1008	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	30
PID 1008 wrote to memory of 2200	1008	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	30
PID 1008 wrote to memory of 1744	1008	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	31
PID 1008 wrote to memory of 1744	1008	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	31
PID 1008 wrote to memory of 1744	1008	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	31
PID 1008 wrote to memory of 1744	1008	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	31
PID 1008 wrote to memory of 2100	1008	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	32
PID 1008 wrote to memory of 2100	1008	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	32
PID 1008 wrote to memory of 2100	1008	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	32
PID 1008 wrote to memory of 2100	1008	70f06035e9cc9a891f2959b80e3be9bea2ba07b72bce4fac125249c29c0d9d1c.exe	32
PID 2100 wrote to memory of 2648	2100	lib.exe	34
PID 2100 wrote to memory of 2648	2100	lib.exe	34
PID 2100 wrote to memory of 2648	2100	lib.exe	34
PID 2200 wrote to memory of 2224	2200	leaf.exe	36
PID 2200 wrote to memory of 2224	2200	leaf.exe	36
PID 2200 wrote to memory of 2224	2200	leaf.exe	36
PID 2200 wrote to memory of 2224	2200	leaf.exe	36
PID 2200 wrote to memory of 2312	2200	leaf.exe	37
PID 2200 wrote to memory of 2312	2200	leaf.exe	37
PID 2200 wrote to memory of 2312	2200	leaf.exe	37
PID 2200 wrote to memory of 2312	2200	leaf.exe	37
PID 2200 wrote to memory of 1992	2200	leaf.exe	38
PID 2200 wrote to memory of 1992	2200	leaf.exe	38
PID 2200 wrote to memory of 1992	2200	leaf.exe	38
PID 2200 wrote to memory of 1992	2200	leaf.exe	38
PID 2200 wrote to memory of 1052	2200	leaf.exe	39
PID 2200 wrote to memory of 1052	2200	leaf.exe	39
PID 2200 wrote to memory of 1052	2200	leaf.exe	39
PID 2200 wrote to memory of 1052	2200	leaf.exe	39
PID 2200 wrote to memory of 1460	2200	leaf.exe	40
PID 2200 wrote to memory of 1460	2200	leaf.exe	40
PID 2200 wrote to memory of 1460	2200	leaf.exe	40
PID 2200 wrote to memory of 1460	2200	leaf.exe	40

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:1008
- C:\Users\Admin\AppData\Local\Temp\leaf.exe
  "C:\Users\Admin\AppData\Local\Temp\leaf.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2200
- - C:\Users\Admin\AppData\Local\Temp\leaf.exe
    "{path}"
    3⤵
    - Executes dropped EXE
    PID:2224
- - C:\Users\Admin\AppData\Local\Temp\leaf.exe
    "{path}"
    3⤵
    - Executes dropped EXE
    PID:2312
- - C:\Users\Admin\AppData\Local\Temp\leaf.exe
    "{path}"
    3⤵
    - Executes dropped EXE
    PID:1992
- - C:\Users\Admin\AppData\Local\Temp\leaf.exe
    "{path}"
    3⤵
    - Executes dropped EXE
    PID:1052
- - C:\Users\Admin\AppData\Local\Temp\leaf.exe
    "{path}"
    3⤵
    - Executes dropped EXE
    PID:1460
- 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:1744
- 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:2100
- - C:\Users\Admin\AppData\Local\Temp\lib.exe
    "C:\Users\Admin\AppData\Local\Temp\lib.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    PID:2648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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\Temp\_MEI21002\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
\Users\Admin\AppData\Local\Temp\leaf.exe

Filesize
630KB

MD5
8c8c3bcf475b5c95673a810b10a2fc52

SHA1
268cb3a6a4194efb14c1bdc82cfab3485c64fa73

SHA256
7f02583173f6e150677af6fe09226fa6b4fc9efa2523f393a89b31155a1122c0

SHA512
f1948ce32f46a34e425d2f59f5c4e6de56cbc1e29ecfd706c95f4b00ec2831ccc21a44b81cd18d8d03fe6681463276cd4c8d31b19bff712574b1ff765bb4e846

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

Filesize
7.3MB

MD5
d1540618704ecaca1a503b496ed7b801

SHA1
047c0e7c3b0d03470177dfe17053fdb34ea378a4

SHA256
1c864d2dec413df7d389bf89cc5b0f38c879a93c043a22c98570c1eea12099aa

SHA512
8c91198512c946d1d0aa5583b8eaf96f111091e75ea26a853597b2791d44965e8005fc8e19267ce4cb7180b715968832d15af987dae7b6aaa1eef6b459f043b9

Download Submit
memory/2200-34-0x0000000000380000-0x0000000000424000-memory.dmp

Filesize
656KB

Download
memory/2200-60-0x0000000000330000-0x0000000000344000-memory.dmp

Filesize
80KB

Download
memory/2200-61-0x0000000000660000-0x00000000006C0000-memory.dmp

Filesize
384KB

Download
memory/2200-62-0x0000000000540000-0x0000000000548000-memory.dmp

Filesize
32KB

Download