meduza | 68f2893e72bb79f1da5d8b3c9f5dbe29d6f1c1c583356cd5a2221d8a54bf3010

General

Target

Solara Executor.exe
Size

527.1MB
MD5

2f0279eca2b15f105600d0fa8634b40a
SHA1

a61a80b6a5915f014f7b9d311386905a1cf30f0a
SHA256

68f2893e72bb79f1da5d8b3c9f5dbe29d6f1c1c583356cd5a2221d8a54bf3010
SHA512

1aa89b075a4d3a58439b88ca82c79b425707b65ff8b1685a57e70e55e3718e48f2942d8399d843d6fb504da3bcf931c400c30e368d213a2b1d0149899868254f
SSDEEP

98304:HJxFqrqnIGHYeUt7wSTsEitaAo4N/nl3x0NlBuQa3HUQxrFD:pxFqrqnwtwSccAoKl3fQa3f

Score

10^/10

meduza stealer

Malware Config

Extracted

Family

meduza

C2

45.130.145.152

Attributes

anti_dbg
true
anti_vm
true
build_name
Work
extensions
.txt;.doc;.docx;.pdf;.xls;.xlsx;.log;.db;.sqlite
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 2 IoCs

resource	yara_rule
behavioral1/memory/2680-12-0x0000000001F30000-0x000000000206E000-memory.dmp	family_meduza
behavioral1/memory/2680-25-0x0000000001F30000-0x000000000206E000-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-1-5-21-312935884-697965778-3955649944-1000\Control Panel\International\Geo\Nation	78643400aaca4701b7bbddbfe9fde79c.exe

Executes dropped EXE 2 IoCs

pid	Process
2680	78643400aaca4701b7bbddbfe9fde79c.exe
2104	9d52dc19fecb43e793f03d6fbe7f9472.exe

Loads dropped DLL 5 IoCs

pid	Process
2692	Solara Executor.exe
2664	WerFault.exe
2664	WerFault.exe
2692	Solara Executor.exe
2664	WerFault.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
10	api.ipify.org

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	2692	Solara Executor.exe
Token: SeDebugPrivilege	2680	78643400aaca4701b7bbddbfe9fde79c.exe
Token: SeImpersonatePrivilege	2680	78643400aaca4701b7bbddbfe9fde79c.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2680	2692	Solara Executor.exe	31
PID 2692 wrote to memory of 2680	2692	Solara Executor.exe	31
PID 2692 wrote to memory of 2680	2692	Solara Executor.exe	31
PID 2680 wrote to memory of 2664	2680	78643400aaca4701b7bbddbfe9fde79c.exe	32
PID 2680 wrote to memory of 2664	2680	78643400aaca4701b7bbddbfe9fde79c.exe	32
PID 2680 wrote to memory of 2664	2680	78643400aaca4701b7bbddbfe9fde79c.exe	32
PID 2692 wrote to memory of 2104	2692	Solara Executor.exe	33
PID 2692 wrote to memory of 2104	2692	Solara Executor.exe	33
PID 2692 wrote to memory of 2104	2692	Solara Executor.exe	33

C:\Users\Admin\AppData\Local\Temp\Solara Executor.exe
"C:\Users\Admin\AppData\Local\Temp\Solara Executor.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Users\Admin\AppData\Local\Temp\78643400aaca4701b7bbddbfe9fde79c.exe
  "C:\Users\Admin\AppData\Local\Temp\78643400aaca4701b7bbddbfe9fde79c.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2680
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 2680 -s 656
    3⤵
    - Loads dropped DLL
    PID:2664
- C:\Users\Admin\AppData\Local\Temp\9d52dc19fecb43e793f03d6fbe7f9472.exe
  "C:\Users\Admin\AppData\Local\Temp\9d52dc19fecb43e793f03d6fbe7f9472.exe"
  2⤵
  - Executes dropped EXE
  PID:2104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\9d52dc19fecb43e793f03d6fbe7f9472.exe

Filesize
2.6MB

MD5
5ad98066bfaea71873af260814cdebb0

SHA1
5dc890fd83e13d1b3b9ffc8b9e691bf5923fe7d4

SHA256
bec45a7561b438237598f772b08e4e67f480e2330619fb3e7cd175156627c5f8

SHA512
4373e339b09fef72e8da394933b42a04ff4c9b1e31636c0cad6a0fc8d60d7a4e23b43d744f3725fb506078fdb2521879c785978e1aef066898eb3762a72b262e

Download Submit
\Users\Admin\AppData\Local\Temp\78643400aaca4701b7bbddbfe9fde79c.exe

Filesize
2.6MB

MD5
c3242cab034e773dad42d6fbff0b4ecf

SHA1
c4b7daa973a191f9dcd6e6f637602b5683899571

SHA256
fbe49c90e24fb5b6be83157db5a5415411b410c6b13fdb9ef12740a157f60481

SHA512
e74a8e474f4385531387e0f51cff631a8e7c0eacb5d23021f0ac4701f356f869889472814cc5856aef776fefa8703a94578af4feec8e037d89cbe95a409027c3

Download Submit
memory/2104-26-0x00000000000F0000-0x0000000000170000-memory.dmp

Filesize
512KB

Download
memory/2104-23-0x00000000000F0000-0x0000000000170000-memory.dmp

Filesize
512KB

Download
memory/2104-21-0x00000000000F0000-0x0000000000170000-memory.dmp

Filesize
512KB

Download
memory/2680-25-0x0000000001F30000-0x000000000206E000-memory.dmp

Filesize
1.2MB

Download
memory/2680-12-0x0000000001F30000-0x000000000206E000-memory.dmp

Filesize
1.2MB

Download
memory/2692-4-0x000007FEF61F0000-0x000007FEF6BDC000-memory.dmp

Filesize
9.9MB

Download
memory/2692-6-0x000007FEF61F0000-0x000007FEF6BDC000-memory.dmp

Filesize
9.9MB

Download
memory/2692-5-0x000007FEF61F3000-0x000007FEF61F4000-memory.dmp

Filesize
4KB

Download
memory/2692-0-0x000007FEF61F3000-0x000007FEF61F4000-memory.dmp

Filesize
4KB

Download
memory/2692-3-0x000007FEF61F0000-0x000007FEF6BDC000-memory.dmp

Filesize
9.9MB

Download
memory/2692-22-0x000007FEF61F0000-0x000007FEF6BDC000-memory.dmp

Filesize
9.9MB

Download
memory/2692-24-0x000007FEF61F0000-0x000007FEF6BDC000-memory.dmp

Filesize
9.9MB

Download
memory/2692-2-0x000007FEF61F0000-0x000007FEF6BDC000-memory.dmp

Filesize
9.9MB

Download
memory/2692-1-0x0000000000D30000-0x0000000001D30000-memory.dmp

Filesize
16.0MB

Download

Analysis

Sharing