MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ffa78f3d4b1dafb9723e6a68456e42a57c0a109b9b8246196e1a8a6d6d2d6f5a. 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
RemusStealer
Vendor detections: 13
| SHA256 hash: | ffa78f3d4b1dafb9723e6a68456e42a57c0a109b9b8246196e1a8a6d6d2d6f5a |
|---|---|
| SHA3-384 hash: | 625f3121e7b014a18fbfbb99a5c5eeb558b796d845bdbb97e0487f2eac77f53a52061d0dfec37842b12a5da8aa698914 |
| SHA1 hash: | 2f3919a47832081c3b1c548ed62cb9b4497401a8 |
| MD5 hash: | 97bf92b1957a3d08d1c3b0b0611f0b11 |
| humanhash: | oxygen-mango-robin-undress |
| File name: | file |
| Download: | download sample |
| Signature | RemusStealer |
| File size: | 153'600 bytes |
| First seen: | 2026-07-13 07:12:38 UTC |
| Last seen: | 2026-07-14 06:25:02 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 6136b6e1a5aba557804a70cdc31e7bc0 (1 x RemusStealer) |
| ssdeep | 3072:qUz/+pjAXSVYa+bwaNyiHBC2KuWiHpITdQVUnzVv6bo:POGGaRC5kQxib |
| Threatray | 17 similar samples on MalwareBazaar |
| TLSH | T19DE35D17E6AA30FAD1678978C8520905EB327C768791ABDF43504EF61E236D4CE3EB11 |
| TrID | 37.0% (.EXE) Win64 Executable (generic) (6522/11/2) 28.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 11.5% (.EXE) OS/2 Executable (generic) (2029/13) 11.3% (.EXE) Generic Win/DOS Executable (2002/3) 11.3% (.EXE) DOS Executable (generic) (2000/1) |
| Magika | pebin |
| Reporter |  Bitsight |
| Tags: | a dropped-by-gcleaner exe MIX3.file RemusStealer |
Intelligence
File Origin
# of uploads :
13
# of downloads :
197
Origin country :
USVendor Threat Intelligence
No detections
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
94.9%
Tags:
dropper trojan zbot sage
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Connection attempt
Sending an HTTP GET request
Creating a file
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Running batch commands
DNS request
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Sending an HTTP POST request
Deleting a recently created file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug anti-debug anti-vm cmd crypto explorer fingerprint lolbin microsoft_visual_cc reconnaissance
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-07-13T05:10:00Z UTC
Last seen:
2026-07-14T03:26:00Z UTC
Hits:
~100
Verdict:
Unknown
Score:
99%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Sonbokli
Status:
Malicious
First seen:
2026-07-13 07:13:46 UTC
File Type:
PE+ (Exe)
Extracted files:
2
AV detection:
16 of 24 (66.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remus
donutloader
Similar samples:
+ 7 additional samples on MalwareBazaar
Result
Malware family:
remus_stealer
Score:
10/10
Tags:
family:donutloader family:remus_stealer defense_evasion discovery loader persistence spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
Enumerates processes with tasklist
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Indicator Removal: File Deletion
Checks computer location settings
Executes dropped EXE
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Detects DonutLoader
Family: DonutLoader
Family: Remus
Malware Config
C2 Extraction:
http://tzpx.courses:4437
http://geminyw.xyz:5003
http://carogra.biz:4219
http://geminyw.xyz:5003
http://carogra.biz:4219
Unpacked files
SH256 hash:
ffa78f3d4b1dafb9723e6a68456e42a57c0a109b9b8246196e1a8a6d6d2d6f5a
MD5 hash:
97bf92b1957a3d08d1c3b0b0611f0b11
SHA1 hash:
2f3919a47832081c3b1c548ed62cb9b4497401a8
Malware family:
DonutLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | VECT_Ransomware |
|---|---|
| Author: | Mustafa Bakhit |
| Description: | Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Dropped by
Gcleaner
Delivery method
Distributed via web download
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