MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5e0756405dea5b805018097497b69a945289cda1c57f1577f1da2706c7b52bb. 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



Threat unknown


Vendor detections: 10


Intelligence 10 IOCs YARA 7 File information Comments

SHA256 hash: a5e0756405dea5b805018097497b69a945289cda1c57f1577f1da2706c7b52bb
SHA3-384 hash: a1908d731a63250c6f840e439d0fcf86eff648c643b10125c7b0cb97875759fd384df718f644c9864afdf71501b13ba8
SHA1 hash: e7eb8c94a22ce5e0a829bb7b2407fb4d222cd25d
MD5 hash: a93195f41dd8d7163d1bfc85da6937cd
humanhash: montana-triple-single-foxtrot
File name:ZYDNMXVA.exe
Download: download sample
File size:2'534'642 bytes
First seen:2025-05-20 13:25:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b5a014d7eeb4c2042897567e1288a095 (19 x HijackLoader, 14 x ValleyRAT, 12 x LummaStealer)
ssdeep 49152:+pz3VNAeMhnra+Z+2oE++VYD2Lm+TH+cev4dlV4KCgX1iOwysz:+pZN6UxAk2LmMePQdsgliOw5z
TLSH T144C5331173E4F8F1C6F9C7729F2DE72346B2D7EA16911F9B02892F460D8366212474EA
TrID 38.7% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
24.6% (.EXE) Win64 Executable (generic) (10522/11/4)
11.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.5% (.EXE) Win32 Executable (generic) (4504/4/1)
4.7% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon c292ecd8f2f6fe1c (15 x HijackLoader, 11 x LummaStealer, 7 x Arechclient2)
Reporter skocherhan
Tags:exe


Avatar
skocherhan
https://updatefilescdn.b-cdn.net/smb2/MN/ZYDNMXVA.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
453
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ZYDNMXVA.exe
Verdict:
No threats detected
Analysis date:
2025-05-20 13:27:10 UTC
Tags:
delphi

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
injection obfusc virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file in the %temp% directory
Launching cmd.exe command interpreter
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context fingerprint hijackloader installer microsoft_visual_cc overlay overlay packed packer_detected
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Connects to many ports of the same IP (likely port scanning)
Drops PE files to the user root directory
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Switches to a custom stack to bypass stack traces
Yara detected Costura Assembly Loader
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1694963 Sample: ZYDNMXVA.exe Startdate: 20/05/2025 Architecture: WINDOWS Score: 100 76 update-software.us 2->76 82 Malicious sample detected (through community Yara rule) 2->82 84 Multi AV Scanner detection for dropped file 2->84 86 Multi AV Scanner detection for submitted file 2->86 88 5 other signatures 2->88 10 ZYDNMXVA.exe 13 2->10         started        14 SilverTool.exe 4 2->14         started        16 SilverTool.exe 4 2->16         started        18 SilverTool.exe 2 2->18         started        signatures3 process4 file5 64 C:\Users\user\StlpMt45.dll, PE32 10->64 dropped 66 C:\Users\user\SilverTool.exe, PE32 10->66 dropped 68 C:\Users\user\Rtl60.bpl, PE32 10->68 dropped 74 2 other malicious files 10->74 dropped 102 Drops PE files to the user root directory 10->102 20 SilverTool.exe 8 10->20         started        70 C:\Users\user\AppData\Local\...\93DDF48.tmp, PE32+ 14->70 dropped 104 Modifies the context of a thread in another process (thread injection) 14->104 106 Maps a DLL or memory area into another process 14->106 24 cmd.exe 1 14->24         started        26 NanoBr.exe 3 14->26         started        72 C:\Users\user\AppData\Local\...\9D71E55.tmp, PE32+ 16->72 dropped 28 cmd.exe 1 16->28         started        30 NanoBr.exe 2 16->30         started        32 cmd.exe 1 18->32         started        signatures6 process7 file8 56 C:\ProgramData\DFDocker_dbg\StlpMt45.dll, PE32 20->56 dropped 58 C:\ProgramData\DFDocker_dbg\SilverTool.exe, PE32 20->58 dropped 60 C:\ProgramData\DFDocker_dbg\Rtl60.bpl, PE32 20->60 dropped 62 2 other files (1 malicious) 20->62 dropped 98 Switches to a custom stack to bypass stack traces 20->98 100 Found direct / indirect Syscall (likely to bypass EDR) 20->100 34 SilverTool.exe 5 20->34         started        38 conhost.exe 24->38         started        40 conhost.exe 28->40         started        42 conhost.exe 32->42         started        signatures9 process10 file11 52 C:\Users\user\AppData\Local\Temp52anoBr.exe, PE32+ 34->52 dropped 54 C:\Users\user\AppData\Local\...\8537F55.tmp, PE32+ 34->54 dropped 90 Modifies the context of a thread in another process (thread injection) 34->90 92 Found hidden mapped module (file has been removed from disk) 34->92 94 Maps a DLL or memory area into another process 34->94 96 2 other signatures 34->96 44 NanoBr.exe 2 34->44         started        48 cmd.exe 4 34->48         started        signatures12 process13 dnsIp14 78 45.144.53.137, 39001, 39111, 39666 NEWSERVERLIFE-ASRU Russian Federation 44->78 80 update-software.us 85.192.48.239, 39001, 39111, 39666 DINET-ASRU Russian Federation 44->80 108 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 44->108 110 Found direct / indirect Syscall (likely to bypass EDR) 44->110 112 Switches to a custom stack to bypass stack traces 48->112 50 conhost.exe 48->50         started        signatures15 process16
Threat name:
Win32.Dropper.HijackLoader
Status:
Malicious
First seen:
2025-05-09 20:28:12 UTC
File Type:
PE (Exe)
Extracted files:
31
AV detection:
22 of 38 (57.89%)
Threat level:
  3/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
a5e0756405dea5b805018097497b69a945289cda1c57f1577f1da2706c7b52bb
MD5 hash:
a93195f41dd8d7163d1bfc85da6937cd
SHA1 hash:
e7eb8c94a22ce5e0a829bb7b2407fb4d222cd25d
SH256 hash:
aa4a46b7921f225910414422ec7ff5533cd5fad87e2fe2cca248f25eb9899480
MD5 hash:
f5f25b8106dedaa22a053e4cba2cd9fc
SHA1 hash:
72e35d1eae68b9890d5a47c7b4294dc2bfc6c113
SH256 hash:
5ed1019db34b3a1ca66ab833cb694f8ede01dc3830cf4cec3c27256fb3702607
MD5 hash:
8c41bfb7c9b0dd9d093cae3f8c417c46
SHA1 hash:
476f717748d0031df248cec978195da072840bf3
SH256 hash:
9b68d2579cbebca888c8cc6d85058e65fbaabaf1d8a7896155d8c04c6b167bdc
MD5 hash:
3654b6cf2001eb055af453db29a32ca1
SHA1 hash:
8fefd1738cad87662a43a78168db4a4e6014ab0d
SH256 hash:
67bc9c681b9410d822ff0d5f556e90ac88772f5e87e9992bb2beffcf60b77003
MD5 hash:
bd4626d3f00e6ac4a855c9f924781981
SHA1 hash:
b11a019a1c4c659f0e7d72d2be9aa9cc590ec231
SH256 hash:
8b68fe65046c56332e64629e1f8cd568155d4961da644fd3f5619c09eebe1727
MD5 hash:
a08711cb2ce8246cdba230d9d44c0050
SHA1 hash:
e481ce3178e55065b43de0afae7a50aec87d3194
SH256 hash:
a6edb3fb6d21dd461da3767a7995034e208f7d6b08997f6cf7ee7b0ea833a8f0
MD5 hash:
cabb58bb5694f8b8269a73172c85b717
SHA1 hash:
9ed583c56385fed8e5e0757ddb2fdf025f96c807
SH256 hash:
68bee500e0080f21c003126e73b6d07804d23ac98b2376a8b76c26297d467abe
MD5 hash:
d4dae7149d6e4dab65ac554e55868e3b
SHA1 hash:
b3bea0a0a1f0a6f251bcf6a730a97acc933f269a
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: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:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_GhostPulse_caea316b
Author:Elastic Security

File information


The table below shows additional information about this malware sample such as delivery method and external references.

657f67d9d736afed42599f30b8d1d639

Executable exe a5e0756405dea5b805018097497b69a945289cda1c57f1577f1da2706c7b52bb

(this sample)

  
Dropped by
MD5 657f67d9d736afed42599f30b8d1d639

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