MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5c2cd0db95e87a627f59f7c0b66753969a6a036744e21e437ead5074b9a30a3. 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



DeerStealer


Vendor detections: 11


Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash: a5c2cd0db95e87a627f59f7c0b66753969a6a036744e21e437ead5074b9a30a3
SHA3-384 hash: e8092ef557ab2096f59ff19780179edd4e39252bb181cb916ccc480b9cd0c99a50a6e95a67aade24be4911b9082c1870
SHA1 hash: d500562133d2594e4b0980833fef2e18a36cc782
MD5 hash: cb8b7175fe3aea0658bbb7cfec051b92
humanhash: idaho-bacon-oranges-fourteen
File name:GMWGRSCK.msi
Download: download sample
Signature DeerStealer
File size:4'710'400 bytes
First seen:2025-05-08 13:30:30 UTC
Last seen:2025-05-15 06:48:00 UTC
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 98304:bV+RA6g80AKeMIfhF2QUwco6SKoItT56xKlVguU9pZfsLU:bYywpHMIfbllhMoItT5GKY1E
Threatray 26 similar samples on MalwareBazaar
TLSH T12326336207642826C3247AB4530CE8495873FEB46F7C634F1BEE774115B1B63A6B32A3
TrID 88.4% (.MST) Windows SDK Setup Transform script (61000/1/5)
11.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter JAMESWT_WT
Tags:DeerStealer msi

Intelligence


File Origin
# of uploads :
2
# of downloads :
62
Origin country :
IT IT
Vendor Threat Intelligence
Verdict:
Malicious
Score:
81.4%
Tags:
shellcode virus blic
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
installer wix
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
72 / 100
Signature
Binary is likely a compiled AutoIt script file
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1684424 Sample: GMWGRSCK.msi Startdate: 08/05/2025 Architecture: WINDOWS Score: 72 64 debianlist.cfd 2->64 72 Suricata IDS alerts for network traffic 2->72 10 msiexec.exe 80 40 2->10         started        13 Bandwidth_Cluste.exe 4 2->13         started        16 msiexec.exe 3 2->16         started        signatures3 process4 file5 48 C:\Users\user\AppData\...\vcruntime140.dll, PE32 10->48 dropped 50 C:\Users\user\AppData\Local\...\msvcp140.dll, PE32 10->50 dropped 52 C:\Users\user\AppData\Local\...\DuiLib_u.dll, PE32 10->52 dropped 54 C:\Users\user\...\Bandwidth_Cluste.exe, PE32 10->54 dropped 18 Bandwidth_Cluste.exe 7 10->18         started        56 C:\Users\user\AppData\Local\...\D6ECD8D.tmp, PE32+ 13->56 dropped 88 Binary is likely a compiled AutoIt script file 13->88 90 Modifies the context of a thread in another process (thread injection) 13->90 92 Maps a DLL or memory area into another process 13->92 94 Found direct / indirect Syscall (likely to bypass EDR) 13->94 22 ParallelDr32.exe 13->22         started        24 cmd.exe 1 13->24         started        signatures6 process7 file8 40 C:\ProgramData\...\vcruntime140.dll, PE32 18->40 dropped 42 C:\ProgramData\...\msvcp140.dll, PE32 18->42 dropped 44 C:\ProgramData\...\DuiLib_u.dll, PE32 18->44 dropped 46 C:\ProgramData\...\Bandwidth_Cluste.exe, PE32 18->46 dropped 74 Binary is likely a compiled AutoIt script file 18->74 76 Switches to a custom stack to bypass stack traces 18->76 78 Found direct / indirect Syscall (likely to bypass EDR) 18->78 26 Bandwidth_Cluste.exe 5 18->26         started        30 conhost.exe 24->30         started        signatures9 process10 file11 58 C:\Users\user\AppData\Local\Temp\B9EF9C.tmp, PE32+ 26->58 dropped 60 C:\Users\user\AppData\...\ParallelDr32.exe, PE32+ 26->60 dropped 80 Binary is likely a compiled AutoIt script file 26->80 82 Modifies the context of a thread in another process (thread injection) 26->82 84 Found hidden mapped module (file has been removed from disk) 26->84 86 3 other signatures 26->86 32 ParallelDr32.exe 2 26->32         started        36 cmd.exe 3 26->36         started        signatures12 process13 dnsIp14 62 debianlist.cfd 104.21.96.1, 49696, 80 CLOUDFLARENETUS United States 32->62 66 Binary is likely a compiled AutoIt script file 32->66 68 Found direct / indirect Syscall (likely to bypass EDR) 32->68 70 Switches to a custom stack to bypass stack traces 36->70 38 conhost.exe 36->38         started        signatures15 process16
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery persistence privilege_escalation
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Event Triggered Execution: Installer Packages
System Location Discovery: System Language Discovery
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
AutoIT Executable
Suspicious use of SetThreadContext
Enumerates connected drives
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Malware family:
HijackLoader
Verdict:
Malicious
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: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.

Comments