MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39824156666ee36d72a824550cd75adaf93b825ccfa954ab75a1d657ed5cc267. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments

SHA256 hash: 39824156666ee36d72a824550cd75adaf93b825ccfa954ab75a1d657ed5cc267
SHA3-384 hash: 1410685f830fc8c5c6d9fc91780a0bfd4df15185b143e03538f53051093b65bd444f83d6f5101c97bbb6c9706ca1e5ed
SHA1 hash: 010820c1d1da6694ce576ec1913764dbf28f15e0
MD5 hash: 1ac30a17ebdf26f0f448e729565e3c64
humanhash: colorado-virginia-maryland-failed
File name:1ac30a17ebdf26f0f448e729565e3c64.exe
Download: download sample
Signature ResolverRAT
File size:1'188'352 bytes
First seen:2025-05-05 16:55:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:m+PA1h+N05HF8g5fHpq1Go93cZ6yvYex6nVgwCAxVaYgaZ+vDT:m4NA88/g52YexoGSCDT
Threatray 2'843 similar samples on MalwareBazaar
TLSH T1714533D006BEBAFBE598873A5CF37702CA59D133FB62D72242CA1140521539A8C56DDF
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe ResolverRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
477
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
1ac30a17ebdf26f0f448e729565e3c64.exe
Verdict:
Malicious activity
Analysis date:
2025-05-05 17:01:23 UTC
Tags:
auto-startup stealer purehvnc rat asyncrat remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
91.7%
Tags:
smartassembly autorun packed virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %AppData% directory
Launching a process
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected smartassembly smart_assembly
Result
Threat name:
PureCrypter, ResolverRAT
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected PureCrypter Trojan
Drops VBS files to the startup folder
Found many strings related to Crypto-Wallets (likely being stolen)
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
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)
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Bitcoin Wallet information
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected ResolverRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1681504 Sample: ZN2GbnFiCl.exe Startdate: 05/05/2025 Architecture: WINDOWS Score: 100 29 Suricata IDS alerts for network traffic 2->29 31 Antivirus / Scanner detection for submitted sample 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 8 other signatures 2->35 7 ZN2GbnFiCl.exe 5 2->7         started        11 wscript.exe 1 2->11         started        process3 file4 21 C:\Users\user\AppData\Roaming\Modules.exe, PE32 7->21 dropped 23 C:\Users\user\...\Modules.exe:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\AppData\Roaming\...\Modules.vbs, ASCII 7->25 dropped 37 Found many strings related to Crypto-Wallets (likely being stolen) 7->37 39 Drops VBS files to the startup folder 7->39 41 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->41 13 InstallUtil.exe 2 7->13         started        43 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->43 17 Modules.exe 2 11->17         started        signatures5 process6 dnsIp7 27 157.254.236.133, 49692, 56001 BEANFIELDCA United States 13->27 45 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 13->45 47 Found many strings related to Crypto-Wallets (likely being stolen) 13->47 49 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 13->49 55 4 other signatures 13->55 51 Antivirus detection for dropped file 17->51 53 Multi AV Scanner detection for dropped file 17->53 19 InstallUtil.exe 3 17->19         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.MassLogger
Status:
Malicious
First seen:
2025-05-03 12:23:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Drops startup file
Verdict:
Malicious
Tags:
Win.Packed.Msilheracles-10017859-0
YARA:
n/a
Unpacked files
SH256 hash:
39824156666ee36d72a824550cd75adaf93b825ccfa954ab75a1d657ed5cc267
MD5 hash:
1ac30a17ebdf26f0f448e729565e3c64
SHA1 hash:
010820c1d1da6694ce576ec1913764dbf28f15e0
SH256 hash:
1596e238df243817dfba5ff1e8268d9194123893c385eb75aa2cd303d5d4f17f
MD5 hash:
2bf11f4eb027c5a99203d99177fd22bc
SHA1 hash:
18aeb44a0eb8936e0c3325a5f56eaa0c043feb72
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
418e406953c657d702f4dddc993f8e6b8485c9f9f3a78c411ce53ee8b4842a01
MD5 hash:
cc66ecd458ea2f65533f5429def5f7d8
SHA1 hash:
31e2b3c2ad66c08bdbb879325200b0cbd13cd1f7
Detections:
SUSP_OBF_NET_Eazfuscator_String_Encryption_Jan24
SH256 hash:
78f73e1734daa918b253517c75971fbb8df773a3d77d02a752e9a0ad1711a677
MD5 hash:
f9d2985aa1c41cca281321fffb5ed424
SHA1 hash:
3a7a58d2dcae2762882357ae34d372744b1dbb9d
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
SH256 hash:
f60194d77ea433e67e004248a9618c49ca99eb1934ce687ed730efcc68476808
MD5 hash:
d986f0804cde10a0600338b0063a326f
SHA1 hash:
7d41715a92dee39eaa30aed20ca8c6430397871f
SH256 hash:
0f57cd9190beb8fc32ab951c0d1b0a9e63425a92107ee8ee541f02a05c7deab8
MD5 hash:
9acb13fc2327648ae2695fe939da7a43
SHA1 hash:
cf7612f7e5fdcfb0e5a48a167e338b9083b3fd23
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:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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_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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

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