MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 643fe4bf793c941d42c14c59d85fa033381652fafbd4122792c04cc0316c2d68. 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: 12


Intelligence 12 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 643fe4bf793c941d42c14c59d85fa033381652fafbd4122792c04cc0316c2d68
SHA3-384 hash: 64bcc4938ef270b32f88efa6af9dd0f6f50f9da2385f23f208af9c4d49839ad7888dfa25fb0c873c52a686e9d494e53f
SHA1 hash: e322650b2998511a544257d5d04a8a7879301822
MD5 hash: 96068f579a4e926652a963bbccfbdf11
humanhash: social-mango-nineteen-single
File name:UZSQRGUW.msi
Download: download sample
Signature DeerStealer
Create hunting rule
File size:7'016'448 bytes
First seen:2026-01-07 18:20:37 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 196608:9Md22GNy6nT5lJRSzlkr/sMndKMveuOuO:9Md22GHnT5lDS0ve
Threatray 26 similar samples on MalwareBazaar
TLSH T1466633607FAB7FCAD5765276085AC78E50F89F402331C34EB93A3A266175BBF42D6408
TrID 88.4% (.MST) Windows SDK Setup Transform script (61000/1/5)
11.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter smica83
Tags:DeerStealer msi

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
HijackLoader MSI
Details
HijackLoader
an XOR key and XOR-decrypted/LZNT1 decompressed component
HijackLoader
embedded components, an injection process, and filepaths
MSI
an embedded setup program or component
Link:
https://research.acce.ciphertechsolutions.com/results/10125d15-89cc-475b-8d6c-30fa9afc341e/
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/48104/
Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=695ea4279922425f92fe6cdc
Tags:
n/a
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
expired-cert fingerprint installer installer wix
Link:
https://www.filescan.io/uploads/695ea4276c34f71773c555be/reports/5193e90a-552f-4ef5-a4b6-3b0f98afd89f/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/643fe4bf793c941d42c14c59d85fa033381652fafbd4122792c04cc0316c2d68
Result
Verdict:
UNKNOWN
Link:
https://labs.inquest.net/dfi/sha256/643fe4bf793c941d42c14c59d85fa033381652fafbd4122792c04cc0316c2d68
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
File Type:
msi
Detections:
Trojan.Win32.Penguish.sb Trojan.Win32.Strab.sb Trojan.Win64.DLLhijack.cch
Link:
https://opentip.kaspersky.com/643fe4bf793c941d42c14c59d85fa033381652fafbd4122792c04cc0316c2d68/results?tab=lookup
Result
Threat name:
HijackLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1846242
Signature
Antivirus detection for URL or domain
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Found malware configuration
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
PE file has a writeable .text section
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Unusual module load detection (module proxying)
Yara detected HijackLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1846242 Sample: UZSQRGUW.msi Startdate: 07/01/2026 Architecture: WINDOWS Score: 100 92 palimpsestjackson.com 2->92 94 andredorethrenody.com 2->94 96 trumpisperfect.com 2->96 106 Suricata IDS alerts for network traffic 2->106 108 Found malware configuration 2->108 110 Antivirus detection for URL or domain 2->110 112 4 other signatures 2->112 10 msiexec.exe 83 43 2->10         started        13 msiexec.exe 3 2->13         started        15 DiMatrix.exe 2->15         started        signatures3 process4 file5 80 C:\Users\user\AppData\Local\...\zlibwapi.dll, PE32+ 10->80 dropped 82 C:\Users\user\...\lib_TSCommunication_sdk.dll, PE32+ 10->82 dropped 84 C:\Users\user\AppData\...\VCRUNTIME140.dll, PE32+ 10->84 dropped 86 4 other malicious files 10->86 dropped 17 DiMatrix.exe 10 10->17         started        21 msiexec.exe 59 10->21         started        process6 file7 52 C:\ProgramData\...\zlibwapi.dll, PE32+ 17->52 dropped 54 C:\...\lib_TSCommunication_sdk.dll, PE32+ 17->54 dropped 56 C:\ProgramData\...\VCRUNTIME140.dll, PE32+ 17->56 dropped 64 4 other files (2 malicious) 17->64 dropped 104 Found direct / indirect Syscall (likely to bypass EDR) 17->104 23 DiMatrix.exe 7 17->23         started        58 C:\Users\user\AppData\Local\...\zlibwapi.dll, PE32+ 21->58 dropped 60 C:\Users\user\...\lib_TSCommunication_sdk.dll, PE32+ 21->60 dropped 62 C:\Users\user\AppData\...\VCRUNTIME140.dll, PE32+ 21->62 dropped 66 7 other malicious files 21->66 dropped 27 DiMatrix.exe 7 21->27         started        29 ISBEW64.exe 21->29         started        31 ISBEW64.exe 21->31         started        33 8 other processes 21->33 signatures8 process9 file10 68 C:\Users\user\AppData\Roaming\...\tcpvcon.exe, PE32 23->68 dropped 70 C:\Users\user\AppData\Local\...\93F5238.tmp, PE32+ 23->70 dropped 72 C:\ProgramData\SHandler.exe, PE32+ 23->72 dropped 120 Modifies the context of a thread in another process (thread injection) 23->120 122 Found hidden mapped module (file has been removed from disk) 23->122 124 Maps a DLL or memory area into another process 23->124 126 Found direct / indirect Syscall (likely to bypass EDR) 23->126 35 SHandler.exe 5 2 23->35         started        39 tcpvcon.exe 2 23->39         started        74 C:\Users\user\AppData\Roaming\...\tcpvcon.exe, PE32 27->74 dropped 76 C:\Users\user\AppData\Local\...\B14122C.tmp, PE32+ 27->76 dropped 78 C:\ProgramData\CaSimulator.exe, PE32+ 27->78 dropped 128 Switches to a custom stack to bypass stack traces 27->128 41 tcpvcon.exe 27->41         started        43 CaSimulator.exe 27->43         started        signatures11 process12 dnsIp13 98 palimpsestjackson.com 104.21.27.166, 49696, 80 CLOUDFLARENETUS United States 35->98 100 trumpisperfect.com 104.21.68.223, 443, 49697 CLOUDFLARENETUS United States 35->100 114 Unusual module load detection (module proxying) 35->114 116 Found direct / indirect Syscall (likely to bypass EDR) 35->116 45 msiexec.exe 7 35->45         started        118 Switches to a custom stack to bypass stack traces 39->118 48 conhost.exe 39->48         started        50 conhost.exe 41->50         started        102 andredorethrenody.com 172.67.159.46, 443, 49698 CLOUDFLARENETUS United States 43->102 signatures14 process15 file16 88 C:\Users\user\AppData\Local\...\MSIAAA8.tmp, PE32 45->88 dropped 90 C:\Users\user\AppData\Local\...\MSIA691.tmp, PE32 45->90 dropped
Score:
8%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/643fe4bf793c941d42c14c59d85fa033381652fafbd4122792c04cc0316c2d68
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
CAB:COMPRESSION:LZX Executable Office Document PDB Path PE (Portable Executable) PE File Layout PE Memory-Mapped (Dump)
Link:
https://app.malva.re/file/96068f579a4e926652a963bbccfbdf11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/643fe4bf793c941d42c14c59d85fa033381652fafbd4122792c04cc0316c2d68/
Verdict:
Malicious
Threat:
Family.DEERSTEALER
Link:
https://tip.neiki.dev/file/643fe4bf793c941d42c14c59d85fa033381652fafbd4122792c04cc0316c2d68
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mq76jp3zhskb2qwbjrm5qx5agm4bmux27pkbej4sybgmamlmfvua._file
Verdict:
malicious
Label(s):
hijackloader
Create hunting rule
deerstealer
Create hunting rule
Similar samples:
02a9692c6ae6cb862657390e9d1adc6ea21ba810e73831ef3dc973b40f8d8966
DeerStealer
062653518f1b169c714c9053bc932317ce32fc2f415dddd70de5e5550620d61d
DeerStealer
7dfe8d25b80b42ba7834c671f91956652ba929a239056bfc4321622eab60de3e
DeerStealer
bbec376bc531a18adb2d4edc8e1bd781d7936bb9df29753e033cb2d423da2655
DeerStealer
d8b805089d2e3a320747f39785258f9db4fffc4e69f3f6b614b411f68b0d8745
DeerStealer
ec9a9dbe295a2d36ee807934a1acdd00fb7de1befa3bdda7cae45d3d659dff1a
DeerStealer
error
DeerStealer
+ 16 additional samples on MalwareBazaar
Result
Malware family:
hijackloader
Create hunting rule
Score:
  10/10
Tags:
family:deerstealer family:hijackloader loader persistence privilege_escalation ransomware stealer
Link:
https://tria.ge/reports/260107-wzhtlsfx6a/
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
Drops file in Windows directory
Suspicious use of SetThreadContext
Enumerates connected drives
Executes dropped EXE
Loads dropped DLL
DeerStealer
Deerstealer family
Detects DeerStealer
Detects HijackLoader (aka IDAT Loader)
HijackLoader, IDAT loader, Ghostulse,
Hijackloader family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/db8c5808-34df-4aa7-9745-be4661ebfec6
Malware family:
IDATLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/643fe4bf793c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/643fe4bf793c941d42c14c59d85fa033381652fafbd4122792c04cc0316c2d68

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:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/48104/

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