MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d0c0dc10447e81afa7b17ececeb7ad616a8a7b58fa9dbe70f03165fcea0a9f71. 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



Efimer


Vendor detections: 9


Intelligence 9 IOCs YARA 7 File information Comments

SHA256 hash: d0c0dc10447e81afa7b17ececeb7ad616a8a7b58fa9dbe70f03165fcea0a9f71
SHA3-384 hash: c8ca297ae5839b7e94cfebd5a7d26e9f3baa30ccd119c725249239abea8d18adb1d4046a6f4e30b34576ab579e17aff9
SHA1 hash: 69959abe409438a3f0a7b5a48c6ee0eba89e52f2
MD5 hash: 7e156047d9217122c15da13f2c8765a5
humanhash: six-beer-jig-green
File name:default.dat
Download: download sample
Signature Efimer
File size:14'323'360 bytes
First seen:2026-07-29 19:52:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dcaf48c1f10b0efa0a4472200f3850ed (644 x Efimer, 60 x BlankGrabber, 23 x SalatStealer)
ssdeep 393216:lgJyavLDOC3qMCYXMCHWUjXQcuI3/PGTAI:lgpLvnCYXMb8XFH/O7
TLSH T1BCE6335467D021FEF6B2403DB8B21E97E9A578B60733C49F67A853526F032A44E38727
TrID 37.0% (.EXE) Win64 Executable (generic) (6522/11/2)
28.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.5% (.EXE) OS/2 Executable (generic) (2029/13)
11.3% (.EXE) Generic Win/DOS Executable (2002/3)
11.3% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
dhash icon b271e8cccce8f0b2 (3 x Efimer)
Reporter aachum
Tags:ClickFix Efimer exe


Avatar
iamaachum
https://tuasesoriadigital.es/default.dat

Intelligence


File Origin
# of uploads :
1
# of downloads :
173
Origin country :
ES ES
Vendor Threat Intelligence
Malware configuration found for:
PyInstaller
Details
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Restart of the analyzed sample
Creating a window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug expand installer-heuristic lolbin masquerade microsoft_visual_cc overlay packed packed packed pyinstaller reconnaissance
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-07-29T17:14:00Z UTC
Last seen:
2026-07-30T19:37:00Z UTC
Hits:
~10
Gathering data
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Egairtigado
Status:
Malicious
First seen:
2026-07-29 19:53:40 UTC
File Type:
PE+ (Exe)
Extracted files:
482
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution pyarmor pyinstaller
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Executes a command shell one-liner
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
d0c0dc10447e81afa7b17ececeb7ad616a8a7b58fa9dbe70f03165fcea0a9f71
MD5 hash:
7e156047d9217122c15da13f2c8765a5
SHA1 hash:
69959abe409438a3f0a7b5a48c6ee0eba89e52f2
SH256 hash:
36585912e5eaf83ba9fea0631534f690ccdc2d7ba91537166fe53e56c221e153
MD5 hash:
862f820c3251e4ca6fc0ac00e4092239
SHA1 hash:
ef96d84b253041b090c243594f90938e9a487a9a
SH256 hash:
3b494fd2ac64ee982ce1e3e1f08463ac1179530c44f18c7ea6b292563f6280b6
MD5 hash:
f09025febc326e15c6f3f83223b250c7
SHA1 hash:
dfc8999bc38571d98f6778f8987e701ad4411426
SH256 hash:
4e5d5d20d6d31e72ab341c81e97b89e514326c4c861b48638243bdf0918cfa43
MD5 hash:
123ad0908c76ccba4789c084f7a6b8d0
SHA1 hash:
86de58289c8200ed8c1fc51d5f00e38e32c1aad5
SH256 hash:
a5c6a329698490a035133433928d04368ce6285bb91a9d074fc285de4c9a32a4
MD5 hash:
16855ebef31c5b1ebe767f1c617645b3
SHA1 hash:
315521f3a748abfa35cd4d48e8dd09d0556d989b
SH256 hash:
eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
MD5 hash:
0f8e4992ca92baaf54cc0b43aaccce21
SHA1 hash:
c7300975df267b1d6adcbac0ac93fd7b1ab49bd2
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PyInstaller
Author:Obscurity Labs LLC
Description:Detects PyInstaller compiled executables across platforms
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:PyInstaller
Author:@bartblaze
Description:Identifies executable converted using PyInstaller. This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
Rule name:upxHook
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

File information


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

Web download

Efimer

Executable exe d0c0dc10447e81afa7b17ececeb7ad616a8a7b58fa9dbe70f03165fcea0a9f71

(this sample)

  
Delivery method
Distributed via web download

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