MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f3ec11e21c51ccba5632b9dc1cf5b6da6d5eedbc5cdada85de4d1788effc6ae. 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


AgentTesla


Vendor detections: 13


Intelligence 13 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f3ec11e21c51ccba5632b9dc1cf5b6da6d5eedbc5cdada85de4d1788effc6ae
SHA3-384 hash: 452993311f55a37bc7551339b49122134a1dbdd54c7bfceb5a0f253b01f02335cc3627aa26c31859a305123f82729451
SHA1 hash: 50771d59e776f11e7414b883544f15eea87ed7d6
MD5 hash: b51d883dab9ec139b21001040078b348
humanhash: nitrogen-fix-football-arkansas
File name:4f3ec11e21c51ccba5632b9dc1cf5b6da6d5eedbc5cdada85de4d1788effc6ae
Download: download sample
Signature AgentTesla
Create hunting rule
File size:728'064 bytes
First seen:2026-02-05 14:57:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 21371b611d91188d602926b15db6bd48 (77 x Formbook, 64 x AgentTesla, 32 x SnakeKeylogger)
ssdeep 12288:/z7hU5I5yuNHIgzSFKxWltRohBfSTso93UVyrYONJQA97jNu6mikD/9L:/f+iN57Gtene3OKfbHFu6mbD/9L
TLSH T10AF4235299E0CAA1C2557330C034CC94D6747C70AC96B7BA833CE5AFA874393DEA761D
TrID 39.1% (.EXE) UPX compressed Win32 Executable (27066/9/6)
38.3% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
7.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.9% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon aae2f3e38383b629 (2'644 x Formbook, 1'203 x CredentialFlusher, 913 x AgentTesla)
Reporter adrian__luca
Tags:AgentTesla exe UPX
File size (compressed) :728'064 bytes
File size (de-compressed) :1'234'944 bytes
Format:win32/pe
Unpacked file: a4e316896cd7e3cef47c5dca6681813b151d34cc16e9807c62db27c0f2c6508e

Intelligence

File Origin
# of uploads :
1
# of downloads :
129
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
AutoIt PEPacker
Details
AutoIt
extracted scripts and files
PEPacker
a UPX version number and an unpacked binary
Link:
https://research.acce.ciphertechsolutions.com/results/cdcafbd6-9bb2-4998-b83f-5322ba2345bd/
Malware family:
n/a
ID:
1
File name:
4f3ec11e21c51ccba5632b9dc1cf5b6da6d5eedbc5cdada85de4d1788effc6ae
Verdict:
No threats detected
Analysis date:
2026-02-05 15:37:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/470861aa-4701-4782-b6af-a1ec462e351b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
RedLine
Create hunting rule
Link:
https://www.capesandbox.com/analysis/51839/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6984b010ae5379bb6609bdef
Tags:
autoit virus spawn
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4f3ec11e21c51ccba5632b9dc1cf5b6da6d5eedbc5cdada85de4d1788effc6ae
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-08T12:09:00Z UTC
Last seen:
2026-01-29T00:06:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/4f3ec11e21c51ccba5632b9dc1cf5b6da6d5eedbc5cdada85de4d1788effc6ae/results?tab=lookup
Gathering data
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4f3ec11e21c51ccba5632b9dc1cf5b6da6d5eedbc5cdada85de4d1788effc6ae
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4f3ec11e21c51ccba5632b9dc1cf5b6da6d5eedbc5cdada85de4d1788effc6ae/
Threat name:
Win32.Malware.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2026-01-08 21:13:29 UTC
File Type:
PE (Exe)
Extracted files:
51
AV detection:
28 of 36 (77.78%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j47mchrbyuomxjldfoo4dt23nwtnl3w3yxg23kc54tixrdx7y2xa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
unc_loader_001
Create hunting rule
Similar samples:
error
AgentTesla
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery upx
Link:
https://tria.ge/reports/260205-sca9gagv6h/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
UPX packed file
AutoIT Executable
Unpacked files
SH256 hash:
4f3ec11e21c51ccba5632b9dc1cf5b6da6d5eedbc5cdada85de4d1788effc6ae
MD5 hash:
b51d883dab9ec139b21001040078b348
SHA1 hash:
50771d59e776f11e7414b883544f15eea87ed7d6
Link:
https://www.unpac.me/results/7e76c9c2-4923-4012-ba67-23ec956d9c0b/
SH256 hash:
a4e316896cd7e3cef47c5dca6681813b151d34cc16e9807c62db27c0f2c6508e
MD5 hash:
d0714a2cad6a4ea21a08459629fc869b
SHA1 hash:
08feeed36dce6c4d4f1154efd3144929a432e170
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/7e76c9c2-4923-4012-ba67-23ec956d9c0b/
Parent samples :
4f3ec11e21c51ccba5632b9dc1cf5b6da6d5eedbc5cdada85de4d1788effc6ae
a4e316896cd7e3cef47c5dca6681813b151d34cc16e9807c62db27c0f2c6508e
SH256 hash:
0ec16d7ab25010d32ef41e2d93d4a9c1cc5cb2495883999652bedc8e91e9d4e7
MD5 hash:
b881365644b62168ebb1779409383251
SHA1 hash:
1305d123da1fc057250f62d4febd7d89915db604
Detections:
win_samsam_auto
Create hunting rule
SUSP_OBF_NET_Reactor_Native_Stub_Jan24
Create hunting rule
MAL_Malware_Imphash_Mar23_1
Create hunting rule
MetaStealer_NET_Reactor_packer
Create hunting rule
MALWARE_Win_RedLine
Create hunting rule
Link:
https://www.unpac.me/results/7e76c9c2-4923-4012-ba67-23ec956d9c0b/
Parent samples :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 family:
RedNet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4f3ec11e21c5/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/4f3ec11e21c51ccba5632b9dc1cf5b6da6d5eedbc5cdada85de4d1788effc6ae

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:upx_largefile
Create hunting rule
Author:k3nr9

File information

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

AgentTesla

Executable exe 4f3ec11e21c51ccba5632b9dc1cf5b6da6d5eedbc5cdada85de4d1788effc6ae

(this sample)

AgentTesla

Executable exe a4e316896cd7e3cef47c5dca6681813b151d34cc16e9807c62db27c0f2c6508e

Cape
Cape
https://www.capesandbox.com/analysis/51839/
  
Dropping
SHA256 a4e316896cd7e3cef47c5dca6681813b151d34cc16e9807c62db27c0f2c6508e
  
Dropping
MD5 d0714a2cad6a4ea21a08459629fc869b

Comments