meduza | 48ce31ecda937253d2ccc1dfd01053eb4f3d93486c1ee36edd97347bf21a9e72

Resubmissions

27-12-2024 09:03

241227-k1emsstnck 10

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
27-12-2024 09:03

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General

Target

Solara.exe
Size

754.0MB
MD5

6d2557890012c957faaae8d35a4f0e56
SHA1

1225cd40742576895f74b42bdc18b3af21d96eef
SHA256

b29da8d3e2117236d9f8af71bed0addf68093ccf61acad5a979b2531b0049310
SHA512

145b3471f498d9579b466695407c03a3bd0fad9b98cabbdab9f34ee0ba534d4734fcdb1ce357b90e0de1ec8d9ded04f5576b06e94abed79601510d05cfc4d65a
SSDEEP

98304:pJxFqrqnIGHYeUt7w8TsEitaAo4N/nl3x0NlBuQa3HUQLrFD:/xFqrqnwtw8ccAoKl3fQa3J

Score

10^/10

meduza stealer

Malware Config

Extracted

Family

meduza

127.0.0.1

Attributes

anti_dbg
true
anti_vm
true
build_name
Meduza
extensions
.txt; .doc; .xlsx
grabber_max_size
4.194304e+06
port
15666
self_destruct
false

Signatures

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

Meduza Stealer payload 8 IoCs

resource	yara_rule
behavioral5/memory/2632-28-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral5/memory/2632-27-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral5/memory/2632-24-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral5/memory/2632-21-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral5/memory/2632-20-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral5/memory/2632-18-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral5/memory/2632-19-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral5/memory/2632-29-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza

Meduza family
meduza
Downloads MZ/PE file

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-1-5-21-3551809350-4263495960-1443967649-1000\Control Panel\International\Geo\Nation	b7f2469ec81a490ab0bc66405a4e3137.exe

Executes dropped EXE 2 IoCs

pid	Process
2576	b7f2469ec81a490ab0bc66405a4e3137.exe
2632	b7f2469ec81a490ab0bc66405a4e3137.exe

Loads dropped DLL 2 IoCs

pid	Process
2668	Solara.exe
2576	b7f2469ec81a490ab0bc66405a4e3137.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2576 set thread context of 2632	2576	b7f2469ec81a490ab0bc66405a4e3137.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2668	Solara.exe
Token: SeDebugPrivilege	2632	b7f2469ec81a490ab0bc66405a4e3137.exe
Token: SeImpersonatePrivilege	2632	b7f2469ec81a490ab0bc66405a4e3137.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2576	2668	Solara.exe	30
PID 2668 wrote to memory of 2576	2668	Solara.exe	30
PID 2668 wrote to memory of 2576	2668	Solara.exe	30
PID 2576 wrote to memory of 2632	2576	b7f2469ec81a490ab0bc66405a4e3137.exe	31
PID 2576 wrote to memory of 2632	2576	b7f2469ec81a490ab0bc66405a4e3137.exe	31
PID 2576 wrote to memory of 2632	2576	b7f2469ec81a490ab0bc66405a4e3137.exe	31
PID 2576 wrote to memory of 2632	2576	b7f2469ec81a490ab0bc66405a4e3137.exe	31
PID 2576 wrote to memory of 2632	2576	b7f2469ec81a490ab0bc66405a4e3137.exe	31
PID 2576 wrote to memory of 2632	2576	b7f2469ec81a490ab0bc66405a4e3137.exe	31
PID 2576 wrote to memory of 2632	2576	b7f2469ec81a490ab0bc66405a4e3137.exe	31
PID 2576 wrote to memory of 2632	2576	b7f2469ec81a490ab0bc66405a4e3137.exe	31
PID 2576 wrote to memory of 2632	2576	b7f2469ec81a490ab0bc66405a4e3137.exe	31
PID 2576 wrote to memory of 2632	2576	b7f2469ec81a490ab0bc66405a4e3137.exe	31
PID 2576 wrote to memory of 2632	2576	b7f2469ec81a490ab0bc66405a4e3137.exe	31

C:\Users\Admin\AppData\Local\Temp\Solara.exe
"C:\Users\Admin\AppData\Local\Temp\Solara.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Users\Admin\AppData\Local\Temp\b7f2469ec81a490ab0bc66405a4e3137.exe
  "C:\Users\Admin\AppData\Local\Temp\b7f2469ec81a490ab0bc66405a4e3137.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2576
- - C:\Users\Admin\AppData\Local\Temp\b7f2469ec81a490ab0bc66405a4e3137.exe
    "C:\Users\Admin\AppData\Local\Temp\b7f2469ec81a490ab0bc66405a4e3137.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:2632

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\b7f2469ec81a490ab0bc66405a4e3137.exe

Filesize
1.8MB

MD5
a000e58ed7523cc210dcc9ff538c1c1c

SHA1
03dafef07b08b3d2a87722639b80591ebc29cf92

SHA256
2f530fd818f587f0d3158d40bd1908380f8efa2e51463d24414000c580b3d0e2

SHA512
dfae2a60c88c37a4b11ec2ceb34457a43d178f227f6249c795ce509a6eeec78afcb431c0ef271e03c8d44dfcb3bce3f8b2e6c7b902e5115b2da4e7e765a53252

Download Submit
memory/2632-18-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/2632-20-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/2632-28-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/2632-19-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/2632-27-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/2632-16-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/2632-17-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/2632-24-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/2632-29-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/2632-15-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/2632-21-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/2632-22-0x000007FFFFFDD000-0x000007FFFFFDE000-memory.dmp

Filesize
4KB

Download
memory/2668-1-0x0000000000F60000-0x0000000001F60000-memory.dmp

Filesize
16.0MB

Download
memory/2668-2-0x000007FEF63D0000-0x000007FEF6DBC000-memory.dmp

Filesize
9.9MB

Download
memory/2668-0-0x000007FEF63D3000-0x000007FEF63D4000-memory.dmp

Filesize
4KB

Download
memory/2668-7-0x000007FEF63D0000-0x000007FEF6DBC000-memory.dmp

Filesize
9.9MB

Download
memory/2668-6-0x000007FEF63D0000-0x000007FEF6DBC000-memory.dmp

Filesize
9.9MB

Download
memory/2668-5-0x000007FEF63D0000-0x000007FEF6DBC000-memory.dmp

Filesize
9.9MB

Download
memory/2668-4-0x000007FEF63D0000-0x000007FEF6DBC000-memory.dmp

Filesize
9.9MB

Download
memory/2668-3-0x000007FEF63D3000-0x000007FEF63D4000-memory.dmp

Filesize
4KB

Download