MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e787ace223efc492001cfcfa5a5a9124cd5ef6ac8fd6f3468be9ecfa6b9369f4. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e787ace223efc492001cfcfa5a5a9124cd5ef6ac8fd6f3468be9ecfa6b9369f4
SHA3-384 hash: c4e7d77986f5dd53d03f9c62a2f7bb64799e2afca0c4c9fe5c45fe156571ace2a7f6ccd84b1766c8bc68503c540baa21
SHA1 hash: 1a373bb56218965980f95f7db58f987a88971d2d
MD5 hash: f936e05604a5c18ebed151e9b26f4197
humanhash: purple-pip-charlie-bakerloo
File name:default.dat
Download: download sample
Signature Efimer
Create hunting rule
File size:14'304'045 bytes
First seen:2026-07-04 17:52:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dcaf48c1f10b0efa0a4472200f3850ed (115 x Efimer, 60 x BlankGrabber, 22 x NetSupport)
ssdeep 393216:YizCxmoGi55wx6pkXMCHWUjX2cuI3/PGTAI:Ylxv6okXMb8XLH/O7
TLSH T187E6331C66E106EDF2B7513CEED141A6F45A70BB2B70CA4B4B9447E17D072E1893AB23
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 d4f8d0f0e0e971b2 (3 x Efimer)
Reporter aachum
Tags:ClickFix Efimer exe


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

Intelligence

File Origin
# of uploads :
1
# of downloads :
136
Origin country :
ES ES
Vendor Threat Intelligence
Malware configuration found for:
PyInstaller
Details
Link:
https://research.acce.ciphertechsolutions.com/results/1b3fda40-17ac-4db0-8f1c-d2e4527d1ba7/
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-07-04 17:56:03 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d5b17fd1-8c2f-47a0-809e-313c89f1c3b0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/72884/
Detection(s):
SecuriteInfo.com.Variant.Dropper.354.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a494863762b0b26f3cfdc0d
Tags:
installer shell sage
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
Link:
https://www.filescan.io/uploads/6a494872abf4f6b6334bf020/reports/fec22764-93f8-44ee-ae37-2c1f5f0524e9/overview
Verdict:
Malicious
Labled as:
Yogi.Generic
Link:
https://www.hybrid-analysis.com/sample/e787ace223efc492001cfcfa5a5a9124cd5ef6ac8fd6f3468be9ecfa6b9369f4
Verdict:
Malicious
File Type:
exe x64
First seen:
2026-07-04T15:02:00Z UTC
Last seen:
2026-07-05T23:41:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Python.Agent.gen HEUR:Trojan-PSW.Python.Agent.gen Trojan-PSW.Win32.Coins.sb Trojan-PSW.MSIL.Stealer.sb
Link:
https://opentip.kaspersky.com/e787ace223efc492001cfcfa5a5a9124cd5ef6ac8fd6f3468be9ecfa6b9369f4/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/533e1d41-a58a-4099-88df-6c28fd786524
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1937487
Signature
Adds a directory exclusion to Windows Defender
Found pyInstaller with non standard icon
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Script Execution From Temp Folder
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1937487 Sample: default.dat.exe Startdate: 04/07/2026 Architecture: WINDOWS Score: 72 56 Multi AV Scanner detection for submitted file 2->56 58 Joe Sandbox ML detected suspicious sample 2->58 60 Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet 2->60 62 Sigma detected: Suspicious Script Execution From Temp Folder 2->62 8 default.dat.exe 31 2->8         started        12 svchost.exe 1 1 2->12         started        process3 dnsIp4 46 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 8->46 dropped 48 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 8->48 dropped 50 C:\Users\user\AppData\Local\...\python313.dll, PE32+ 8->50 dropped 52 15 other files (none is malicious) 8->52 dropped 66 Adds a directory exclusion to Windows Defender 8->66 68 Found pyInstaller with non standard icon 8->68 15 default.dat.exe 1 8->15         started        54 127.0.0.1 unknown unknown 12->54 file5 signatures6 process7 signatures8 72 Adds a directory exclusion to Windows Defender 15->72 18 cmd.exe 1 15->18         started        21 cmd.exe 1 15->21         started        23 cmd.exe 1 15->23         started        25 10 other processes 15->25 process9 signatures10 64 Adds a directory exclusion to Windows Defender 18->64 27 powershell.exe 23 18->27         started        30 conhost.exe 18->30         started        32 powershell.exe 23 21->32         started        34 conhost.exe 21->34         started        36 powershell.exe 23 23->36         started        38 conhost.exe 23->38         started        40 powershell.exe 25->40         started        42 powershell.exe 25->42         started        44 16 other processes 25->44 process11 signatures12 70 Loading BitLocker PowerShell Module 32->70
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e787ace223efc492001cfcfa5a5a9124cd5ef6ac8fd6f3468be9ecfa6b9369f4
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/f936e05604a5c18ebed151e9b26f4197
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e787ace223efc492001cfcfa5a5a9124cd5ef6ac8fd6f3468be9ecfa6b9369f4/
Verdict:
Malicious
Threat:
Trojan.Python.Agent
Link:
https://tip.neiki.dev/file/e787ace223efc492001cfcfa5a5a9124cd5ef6ac8fd6f3468be9ecfa6b9369f4
Threat name:
Win64.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2026-07-04 17:53:51 UTC
File Type:
PE+ (Exe)
Extracted files:
482
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=46d2zyrd57cjeaa47t5fuwuretgv55vmr7lpgrul5hwpu24tnh2a._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution pyarmor pyinstaller
Link:
https://tria.ge/reports/260704-wf31faey7r/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
e787ace223efc492001cfcfa5a5a9124cd5ef6ac8fd6f3468be9ecfa6b9369f4
MD5 hash:
f936e05604a5c18ebed151e9b26f4197
SHA1 hash:
1a373bb56218965980f95f7db58f987a88971d2d
Link:
https://www.unpac.me/results/c293de59-ad6e-4baf-9ecc-a927bc4f224d/
SH256 hash:
36585912e5eaf83ba9fea0631534f690ccdc2d7ba91537166fe53e56c221e153
MD5 hash:
862f820c3251e4ca6fc0ac00e4092239
SHA1 hash:
ef96d84b253041b090c243594f90938e9a487a9a
Link:
https://www.unpac.me/results/c293de59-ad6e-4baf-9ecc-a927bc4f224d/
SH256 hash:
8f434f5bc5291f667f25cc913f0e9640a413321d70fd6db250d73728cd332eb9
MD5 hash:
51b450797a3f0a4d0d27b0b290339709
SHA1 hash:
5644cc396635d7b8818e3cfe8bbf8309a6c8757c
Link:
https://www.unpac.me/results/c293de59-ad6e-4baf-9ecc-a927bc4f224d/
SH256 hash:
a5c6a329698490a035133433928d04368ce6285bb91a9d074fc285de4c9a32a4
MD5 hash:
16855ebef31c5b1ebe767f1c617645b3
SHA1 hash:
315521f3a748abfa35cd4d48e8dd09d0556d989b
Link:
https://www.unpac.me/results/c293de59-ad6e-4baf-9ecc-a927bc4f224d/
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/e787ace223efc492001cfcfa5a5a9124cd5ef6ac8fd6f3468be9ecfa6b9369f4

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PyInstaller
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects PyInstaller compiled executables across platforms
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:PyInstaller
Create hunting rule
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
Create hunting rule
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
Create hunting rule
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 e787ace223efc492001cfcfa5a5a9124cd5ef6ac8fd6f3468be9ecfa6b9369f4

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/72884/

Comments