meduza | 48ce31ecda937253d2ccc1dfd01053eb4f3d93486c1ee36edd97347bf21a9e72

Resubmissions

27-12-2024 09:03

241227-k1emsstnck 10

Analysis

max time kernel
91s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 4 IoCs

resource	yara_rule
behavioral6/memory/5108-28-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral6/memory/5108-30-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral6/memory/5108-26-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza
behavioral6/memory/5108-29-0x0000000140000000-0x0000000140141000-memory.dmp	family_meduza

Meduza family
meduza
Downloads MZ/PE file

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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	Solara.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	4ef1950c787c489fad04ca2776806b51.exe

Executes dropped EXE 2 IoCs

pid	Process
4836	4ef1950c787c489fad04ca2776806b51.exe
5108	4ef1950c787c489fad04ca2776806b51.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4836 set thread context of 5108	4836	4ef1950c787c489fad04ca2776806b51.exe	89

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2140	Solara.exe

Suspicious use of AdjustPrivilegeToken 45 IoCs

description	pid	Process
Token: SeDebugPrivilege	2140	Solara.exe
Token: SeIncreaseQuotaPrivilege	2140	Solara.exe
Token: SeSecurityPrivilege	2140	Solara.exe
Token: SeTakeOwnershipPrivilege	2140	Solara.exe
Token: SeLoadDriverPrivilege	2140	Solara.exe
Token: SeSystemProfilePrivilege	2140	Solara.exe
Token: SeSystemtimePrivilege	2140	Solara.exe
Token: SeProfSingleProcessPrivilege	2140	Solara.exe
Token: SeIncBasePriorityPrivilege	2140	Solara.exe
Token: SeCreatePagefilePrivilege	2140	Solara.exe
Token: SeBackupPrivilege	2140	Solara.exe
Token: SeRestorePrivilege	2140	Solara.exe
Token: SeShutdownPrivilege	2140	Solara.exe
Token: SeDebugPrivilege	2140	Solara.exe
Token: SeSystemEnvironmentPrivilege	2140	Solara.exe
Token: SeRemoteShutdownPrivilege	2140	Solara.exe
Token: SeUndockPrivilege	2140	Solara.exe
Token: SeManageVolumePrivilege	2140	Solara.exe
Token: 33	2140	Solara.exe
Token: 34	2140	Solara.exe
Token: 35	2140	Solara.exe
Token: 36	2140	Solara.exe
Token: SeDebugPrivilege	5108	4ef1950c787c489fad04ca2776806b51.exe
Token: SeImpersonatePrivilege	5108	4ef1950c787c489fad04ca2776806b51.exe
Token: SeIncreaseQuotaPrivilege	2140	Solara.exe
Token: SeSecurityPrivilege	2140	Solara.exe
Token: SeTakeOwnershipPrivilege	2140	Solara.exe
Token: SeLoadDriverPrivilege	2140	Solara.exe
Token: SeSystemProfilePrivilege	2140	Solara.exe
Token: SeSystemtimePrivilege	2140	Solara.exe
Token: SeProfSingleProcessPrivilege	2140	Solara.exe
Token: SeIncBasePriorityPrivilege	2140	Solara.exe
Token: SeCreatePagefilePrivilege	2140	Solara.exe
Token: SeBackupPrivilege	2140	Solara.exe
Token: SeRestorePrivilege	2140	Solara.exe
Token: SeShutdownPrivilege	2140	Solara.exe
Token: SeDebugPrivilege	2140	Solara.exe
Token: SeSystemEnvironmentPrivilege	2140	Solara.exe
Token: SeRemoteShutdownPrivilege	2140	Solara.exe
Token: SeUndockPrivilege	2140	Solara.exe
Token: SeManageVolumePrivilege	2140	Solara.exe
Token: 33	2140	Solara.exe
Token: 34	2140	Solara.exe
Token: 35	2140	Solara.exe
Token: 36	2140	Solara.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 4836	2140	Solara.exe	88
PID 2140 wrote to memory of 4836	2140	Solara.exe	88
PID 4836 wrote to memory of 5108	4836	4ef1950c787c489fad04ca2776806b51.exe	89
PID 4836 wrote to memory of 5108	4836	4ef1950c787c489fad04ca2776806b51.exe	89
PID 4836 wrote to memory of 5108	4836	4ef1950c787c489fad04ca2776806b51.exe	89
PID 4836 wrote to memory of 5108	4836	4ef1950c787c489fad04ca2776806b51.exe	89
PID 4836 wrote to memory of 5108	4836	4ef1950c787c489fad04ca2776806b51.exe	89
PID 4836 wrote to memory of 5108	4836	4ef1950c787c489fad04ca2776806b51.exe	89
PID 4836 wrote to memory of 5108	4836	4ef1950c787c489fad04ca2776806b51.exe	89
PID 4836 wrote to memory of 5108	4836	4ef1950c787c489fad04ca2776806b51.exe	89
PID 4836 wrote to memory of 5108	4836	4ef1950c787c489fad04ca2776806b51.exe	89
PID 4836 wrote to memory of 5108	4836	4ef1950c787c489fad04ca2776806b51.exe	89

C:\Users\Admin\AppData\Local\Temp\Solara.exe
"C:\Users\Admin\AppData\Local\Temp\Solara.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Users\Admin\AppData\Local\Temp\4ef1950c787c489fad04ca2776806b51.exe
  "C:\Users\Admin\AppData\Local\Temp\4ef1950c787c489fad04ca2776806b51.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:4836
- - C:\Users\Admin\AppData\Local\Temp\4ef1950c787c489fad04ca2776806b51.exe
    "C:\Users\Admin\AppData\Local\Temp\4ef1950c787c489fad04ca2776806b51.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:5108

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\4ef1950c787c489fad04ca2776806b51.exe

Filesize
1.8MB

MD5
a000e58ed7523cc210dcc9ff538c1c1c

SHA1
03dafef07b08b3d2a87722639b80591ebc29cf92

SHA256
2f530fd818f587f0d3158d40bd1908380f8efa2e51463d24414000c580b3d0e2

SHA512
dfae2a60c88c37a4b11ec2ceb34457a43d178f227f6249c795ce509a6eeec78afcb431c0ef271e03c8d44dfcb3bce3f8b2e6c7b902e5115b2da4e7e765a53252

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3zjzgg5z.5fa.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2140-16-0x00000287FF790000-0x00000287FF7B2000-memory.dmp

Filesize
136KB

Download
memory/2140-17-0x00007FFD99840000-0x00007FFD9A301000-memory.dmp

Filesize
10.8MB

Download
memory/2140-4-0x00007FFD99843000-0x00007FFD99845000-memory.dmp

Filesize
8KB

Download
memory/2140-5-0x00007FFD99840000-0x00007FFD9A301000-memory.dmp

Filesize
10.8MB

Download
memory/2140-6-0x00007FFD99840000-0x00007FFD9A301000-memory.dmp

Filesize
10.8MB

Download
memory/2140-2-0x00007FFD99840000-0x00007FFD9A301000-memory.dmp

Filesize
10.8MB

Download
memory/2140-0-0x00007FFD99843000-0x00007FFD99845000-memory.dmp

Filesize
8KB

Download
memory/2140-3-0x00007FFD99840000-0x00007FFD9A301000-memory.dmp

Filesize
10.8MB

Download
memory/2140-1-0x0000028800000000-0x0000028801000000-memory.dmp

Filesize
16.0MB

Download
memory/2140-31-0x00007FFD99840000-0x00007FFD9A301000-memory.dmp

Filesize
10.8MB

Download
memory/5108-30-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/5108-26-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/5108-29-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download
memory/5108-28-0x0000000140000000-0x0000000140141000-memory.dmp

Filesize
1.3MB

Download