MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef9c31901054865e3198c967a9568b664bbdb7a3117dffce80cc44b8ff874314. 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


Threat unknown


Vendor detections: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef9c31901054865e3198c967a9568b664bbdb7a3117dffce80cc44b8ff874314
SHA3-384 hash: f71a5dbe4cd0466fd3ef4d87168d07638b5043abfadcbef52c6d4363107758ae7124170dd19de7d2656bee002a9a3a0a
SHA1 hash: acc0cc8dde8255976dd964d5c860d15eadd16a4f
MD5 hash: 838d5bb511319f9e82840bf82b116e03
humanhash: foxtrot-beryllium-salami-november
File name:SecuriteInfo.com.Win32.MalwareX-gen.23111954
Download: download sample
File size:1'021'952 bytes
First seen:2026-02-13 08:24:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'818 x AgentTesla, 19'741 x Formbook, 12'286 x SnakeKeylogger)
ssdeep 24576:9m9KRmeASrnTcpUE+qWtQRitgxTVya7lTu9iWjRcYu8oXIea+gT:9m6mDInTkJtWtJteF7lTeixjLRA
TLSH T1BA252318B708E02FE5EA6BF00431E1322739AD9EEB15C14A9FD43ECF796A7591A41317
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter SecuriteInfoCom
Tags:exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
106
Origin country :
FR FR
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/5251b96f-b0d2-49d2-94f1-3a7a9d09f448/
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.MalwareX-gen.23111954
Verdict:
Malicious activity
Analysis date:
2026-02-13 08:30:38 UTC
Tags:
purehvnc netreactor
Link:
https://app.any.run/tasks/7d5bc164-3341-476d-8967-d17f3034738a

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/53218/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.23111954.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=698edfee76589225f6663df6
Tags:
virus micro
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/ef9c31901054865e3198c967a9568b664bbdb7a3117dffce80cc44b8ff874314
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-01T23:00:00Z UTC
Last seen:
2026-02-13T17:03:00Z UTC
Hits:
~10000
Link:
https://opentip.kaspersky.com/ef9c31901054865e3198c967a9568b664bbdb7a3117dffce80cc44b8ff874314/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/323e4b9f-dc50-4c89-a679-914e24b3e12b
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ef9c31901054865e3198c967a9568b664bbdb7a3117dffce80cc44b8ff874314
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.44 Win 32 Exe x86
Link:
https://app.malva.re/file/838d5bb511319f9e82840bf82b116e03
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef9c31901054865e3198c967a9568b664bbdb7a3117dffce80cc44b8ff874314/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-12-02 02:12:00 UTC
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=56oddeaqksdf4mmyzft2svulmzf33n5dcf677tuazrclr74himka._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/260213-kay9hsgw5d/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
ef9c31901054865e3198c967a9568b664bbdb7a3117dffce80cc44b8ff874314
MD5 hash:
838d5bb511319f9e82840bf82b116e03
SHA1 hash:
acc0cc8dde8255976dd964d5c860d15eadd16a4f
Link:
https://www.unpac.me/results/04fe5004-a438-49ed-82e0-d294a5399c1d/
SH256 hash:
f62fdd91386b26a7dbd6560fc3605548a9be85aea5be9ae3f6cd48cd37f69b4b
MD5 hash:
b2519279da3193442256ea44c64ede10
SHA1 hash:
2cc5a5e4dd0e1b7060ebdc03318fbb17c89ccd64
Link:
https://www.unpac.me/results/04fe5004-a438-49ed-82e0-d294a5399c1d/
SH256 hash:
1dc973ad7bf18f882f2957f192d01cc9185628cfd3b30c1b208e0548a62b64fb
MD5 hash:
2e9ef2eb480a18de91ae4322af53754a
SHA1 hash:
5112fb4134e598660c32114876b15bc04155de00
Link:
https://www.unpac.me/results/04fe5004-a438-49ed-82e0-d294a5399c1d/
SH256 hash:
c8ebb9bb9e36b26aeab5da42085b95f845c4ab527b682a45dbc8a48e1519737c
MD5 hash:
e29d3c9d5d1c4443cd88d59682bb106f
SHA1 hash:
de192ee12b1ed2be6fd35ce7057e3fb52e7c2dfd
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/04fe5004-a438-49ed-82e0-d294a5399c1d/
SH256 hash:
2633e59a91221132e2a5cc2660b3f1e5e3df76b9baa1cd13f61d5d574e803052
MD5 hash:
92ce593d953909c66168d456a3bd2052
SHA1 hash:
9586e4adfc00c5f47b2a0d57a9295f93e7d4ffd1
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/04fe5004-a438-49ed-82e0-d294a5399c1d/
Parent samples :
dec24a14f83ed2a0c6fdb82fc2e3e08ee48fc0b3c2d2ddef2cdb4450c9930202
6419d74ea82b7c45bac56aba550a556791e76110e1af3c07794773daa8900032
549a2ef27e60dc1550032622ce3c85b5b5b3fdceabdfc318342f1c24e55614bf
7a020ca579b3ef573ceaaf0ab51c6c38e27f15dde073053e2772b0656de370f3
ab9aeb8492a9365f5a9c5facdd905c7d55e4c47d54482e331755cd21ce0e0777
ef9c31901054865e3198c967a9568b664bbdb7a3117dffce80cc44b8ff874314
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/ef9c31901054865e3198c967a9568b664bbdb7a3117dffce80cc44b8ff874314

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/53218/

Comments