MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a98aec4a39f5f5ee41280cb17d9b4b5e9bc1eea2fb2ff0d7a962e2b74464d67c. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
RustyStealer
Vendor detections: 9
| SHA256 hash: | a98aec4a39f5f5ee41280cb17d9b4b5e9bc1eea2fb2ff0d7a962e2b74464d67c |
|---|---|
| SHA3-384 hash: | 13f2e346b3ea9340eeb3739a6fc045a8e6d92be4f6c7d502b6c2ca5d3197011845191041c8b30b389965acb6ebbf74ed |
| SHA1 hash: | 2ca17aef38df0c00efa49b4b448c5f8343725c2f |
| MD5 hash: | 0f9599d3ddf1e0c8f818d384ee8d0d19 |
| humanhash: | gee-coffee-uncle-berlin |
| File name: | mtk.exe |
| Download: | download sample |
| Signature | RustyStealer |
| File size: | 3'986'944 bytes |
| First seen: | 2023-10-25 04:39:16 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 9f6e7992b0ff9dc2b6802a6ad06edd76 (1 x RustyStealer) |
| ssdeep | 49152:F0BKpXaVwQ5isgxUX+E5ZQcK2mqyxlb+oYLTL2QZnDNR0t62zm33Nar:Z7UwuyJYXL2QZDCzK3Nar |
| TLSH | T15C064B217B8A99AEC05AC070C24787726A3530DE0F35BAFF459496343E69AF51F3D398 |
| TrID | 44.4% (.EXE) Win64 Executable (generic) (10523/12/4) 21.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 8.7% (.ICL) Windows Icons Library (generic) (2059/9) 8.5% (.EXE) OS/2 Executable (generic) (2029/13) 8.4% (.EXE) Generic Win/DOS Executable (2002/3) |
| Reporter | Anonymous |
| Tags: | exe RustyStealer |
Intelligence
File Origin
# of uploads :
1
# of downloads :
338
Origin country :
HUVendor Threat Intelligence
Malware family:
amadey
ID:
1
File name:
mtk.exe
Verdict:
Malicious activity
Analysis date:
2023-10-25 04:43:38 UTC
Tags:
amadey botnet stealer trojan ransomware teslacrypt upatre evasion keylogger cerber apt strongpity sinkhole plugx fareit pony
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Clean
Maliciousness:
Behaviour
Searching for the window
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Gathering data
Verdict:
No Threat
Threat level:
2.5/10
Confidence:
100%
Tags:
anti-debug greyware
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Score:
92%
Verdict:
Malware
File Type:
PE
Threat name:
Win64.Spyware.Rustystealer
Status:
Suspicious
First seen:
2023-10-25 04:38:08 UTC
File Type:
PE+ (Exe)
AV detection:
13 of 38 (34.21%)
Threat level:
2/5
Detection(s):
Suspicious file
Result
Malware family:
thanos
Score:
10/10
Tags:
family:amadey family:mimikatz family:neshta family:strongpity family:thanos evasion persistence ransomware spyware stealer trojan upx
Behaviour
Kills process with taskkill
Modifies registry key
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
NSIS installer
Program crash
AutoIT Executable
Looks up external IP address via web service
Executes dropped EXE
UPX packed file
Winexe tool used by Sofacy APT in several incidents
Modifies boot configuration data using bcdedit
mimikatz is an open source tool to dump credentials on Windows
Amadey
Contains code to disable Windows Defender
Detect Neshta payload
Mimikatz
Neshta
StrongPity
StrongPity Spyware
Thanos Ransomware
Thanos executable
Unpacked files
SH256 hash:
a98aec4a39f5f5ee41280cb17d9b4b5e9bc1eea2fb2ff0d7a962e2b74464d67c
MD5 hash:
0f9599d3ddf1e0c8f818d384ee8d0d19
SHA1 hash:
2ca17aef38df0c00efa49b4b448c5f8343725c2f
Please note that we are no longer able to provide a coverage score for Virus Total.
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | command_and_control |
|---|---|
| Author: | CD_R0M_ |
| Description: | This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | reverse_http |
|---|---|
| Author: | CD_R0M_ |
| Description: | Identify strings with http reversed (ptth) |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | Rustyloader_mem_loose |
|---|---|
| Author: | James_inthe_box |
| Description: | Corroded buerloader |
| Reference: | https://app.any.run/tasks/83064edd-c7eb-4558-85e8-621db72b2a24 |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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