MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 cef9f2d860d7a38cc0558f762d65fdc91bed28a511989c38e5a9b5513d1c4a1e. 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
ResolverRAT
Vendor detections: 13
| SHA256 hash: | cef9f2d860d7a38cc0558f762d65fdc91bed28a511989c38e5a9b5513d1c4a1e |
|---|---|
| SHA3-384 hash: | f949b0dd9b6a7dea11e78307d58f4e4823d0e93e6acf635486b7aab7f16461aed06fe9b8ecb7cbc5f6b485f8e016eebf |
| SHA1 hash: | f69cbdefced5ff37740a5a70330cd1fb9f23a817 |
| MD5 hash: | 370cc45b54d819dd9a0f84947ff9a38c |
| humanhash: | maryland-bacon-green-texas |
| File name: | 1bd9f250000.exe |
| Download: | download sample |
| Signature | ResolverRAT |
| File size: | 327'680 bytes |
| First seen: | 2025-06-16 18:52:42 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 6144:zniPLq/Nc/70Tfb3hcJ/DpElafHHGxwNSrp45Ih0z2bD8:znuLGBPxa9Zuxwcjh0 |
| TLSH | T17C64232C8ACCDEB7DDBD2A3D0AAB45260671D64B24DEF387ED8DC49609923C057917C2 |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10522/11/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| Magika | pebin |
| Reporter |  James_inthe_box |
| Tags: | exe ResolverRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
484
Origin country :
USVendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
1bd9f250000.exe
Verdict:
Malicious activity
Analysis date:
2025-06-16 18:54:43 UTC
Tags:
stealer purehvnc netreactor rat asyncrat remote
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
91.7%
Tags:
injection asyncrat obfusc micro
Result
Verdict:
Clean
Maliciousness:
Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Labled as:
Lazy.Generic
Verdict:
Suspicious
Result
Threat name:
ResolverRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Found many strings related to Crypto-Wallets (likely being stolen)
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Suricata IDS alerts for network traffic
Tries to harvest and steal Bitcoin Wallet information
Uses dynamic DNS services
Yara detected ResolverRAT
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2025-06-16 18:52:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
7/10
Tags:
discovery spyware stealer
Behaviour
Suspicious use of AdjustPrivilegeToken
System Location Discovery: System Language Discovery
Reads user/profile data of web browsers
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
cef9f2d860d7a38cc0558f762d65fdc91bed28a511989c38e5a9b5513d1c4a1e
MD5 hash:
370cc45b54d819dd9a0f84947ff9a38c
SHA1 hash:
f69cbdefced5ff37740a5a70330cd1fb9f23a817
SH256 hash:
62cd439b9e7eb86091264720218a1a92819a94981450ad7139d8b74a39649ac8
MD5 hash:
45d90c4d502851fc34d481dbdf00641e
SHA1 hash:
2b53c154b73470d073b6e3ae081b0ae26a58d241
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| Rule name: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
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