MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef6e6eeefd2da3e97e1c302f04eb3fbc38eb140c6bd1c3bd95b4f922b2012a49. 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


Formbook


Vendor detections: 19


Intelligence 19 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef6e6eeefd2da3e97e1c302f04eb3fbc38eb140c6bd1c3bd95b4f922b2012a49
SHA3-384 hash: bf0485132fabcb8f2dd2f4118e25f747f51040b749cbfdd52c3f0e6e7e8a21f846fb5e4e3a9679d0f92148fc198316be
SHA1 hash: b40c617f93bf3a2b2db7016ba583fc61d573c134
MD5 hash: ed95203a39817a9499d506c0c867257e
humanhash: nine-bakerloo-avocado-colorado
File name:QUOTATION.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'236'992 bytes
First seen:2026-06-11 13:12:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'067 x AgentTesla, 20'019 x Formbook, 12'352 x SnakeKeylogger)
ssdeep 24576:50t0UkVOWnlRLsebAI57hBE4uROmOYWH+rpE:xVVOOlpdkI5LGWH+N
Threatray 4'570 similar samples on MalwareBazaar
TLSH T1F945E0011E4366C4CDB66774CA632ED81BF0E413C397E74BAAFC10B95A22BDAD54F612
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter threatcat_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
143
Origin country :
CH CH
Vendor Threat Intelligence
Malware configuration found for:
DeepSea
Details
Link:
https://research.acce.ciphertechsolutions.com/results/dbc158f8-64b9-49e0-912e-4dab06438939/
Malware family:
formbook
Create hunting rule
ID:
1
File name:
_ef6e6eeefd2da3e97e1c302f04eb3fbc38eb140c6bd1c3bd95b4f922b2012a49.exe
Verdict:
Malicious activity
Analysis date:
2026-06-11 13:14:43 UTC
Tags:
formbook xloader netreactor auto-reg
Link:
https://app.any.run/tasks/7e4b13c6-fdb6-4b9b-bcb1-756cbaf8ad74

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a2ab45134eaf30d8ce4dea1
Tags:
micro shell msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Creating a window
Running batch commands
Launching a process
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 obfuscated obfuscated packed vbnet
Link:
https://www.filescan.io/uploads/6a2ab450554e843ff86856af/reports/3fbcb1d0-d622-40b6-b141-f4e28a07e378/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/ef6e6eeefd2da3e97e1c302f04eb3fbc38eb140c6bd1c3bd95b4f922b2012a49
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-06-11T06:42:00Z UTC
Last seen:
2026-06-11T10:13:00Z UTC
Hits:
~1000
Detections:
HEUR:Trojan-Spy.MSIL.Noon.gen Trojan.Win32.Mucc.sb Trojan.MSIL.Inject.b Trojan-Spy.Win32.Noon.sb Trojan-Spy.Noon.HTTP.ServerRequest PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/ef6e6eeefd2da3e97e1c302f04eb3fbc38eb140c6bd1c3bd95b4f922b2012a49/results?tab=lookup
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e31f89a5-6a54-4ff2-a336-16605c365da6
Result
Threat name:
DarkTortilla, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1926608
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected FormBook
Yara detected MSIL Injector
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1926608 Sample: QUOTATION.exe Startdate: 11/06/2026 Architecture: WINDOWS Score: 100 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 10 other signatures 2->46 7 QUOTATION.exe 3 2->7         started        process3 file4 32 C:\Users\user\AppData\...\QUOTATION.exe.log, ASCII 7->32 dropped 10 cmd.exe 3 7->10         started        14 cmd.exe 1 7->14         started        process5 file6 34 C:\Users\user\AppData\Roaming\excel.exe, PE32 10->34 dropped 48 Uses ping.exe to sleep 10->48 16 excel.exe 2 10->16         started        19 conhost.exe 10->19         started        21 PING.EXE 1 10->21         started        23 PING.EXE 1 10->23         started        50 Uses ping.exe to check the status of other devices and networks 14->50 25 PING.EXE 1 14->25         started        28 conhost.exe 14->28         started        30 reg.exe 1 1 14->30         started        signatures7 process8 dnsIp9 38 Multi AV Scanner detection for dropped file 16->38 36 127.0.0.1 unknown unknown 25->36 signatures10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ef6e6eeefd2da3e97e1c302f04eb3fbc38eb140c6bd1c3bd95b4f922b2012a49
Gathering data
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ef6e6eeefd2da3e97e1c302f04eb3fbc38eb140c6bd1c3bd95b4f922b2012a49/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Suspicious
First seen:
2026-06-11 10:38:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
17 of 36 (47.22%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=55xg53x5fwr6s7q4gaxqj2z7xq4owfamnpi4hpmvwt4sfmqbfjeq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
592323c4b77a61aeb95df4f871a60e1b9ffaccf46691b054d2b57998a98d6664
Formbook
93ff044e9247c1136e328b8bd3d225513ab3b2975c8e0e03b8f2c52aec9f0be9
Formbook
aaa0dfb3ef0970fb0d4437de50371e20e4c8563051c90a63334964a9cd454749
Formbook
acb0ec13d308fba63fbc5fd12a66d4f72e61692bcb04bd051ec7844aed438e3e
Formbook
b11153930f782739246ba8278966eb1af994f843f652f1e9917bad6becce6f79
Formbook
e725fd8a3756dc36865d339674db4ceb70a1c6e7ca718af396cff43a4d56159f
Formbook
ef6e6eeefd2da3e97e1c302f04eb3fbc38eb140c6bd1c3bd95b4f922b2012a49
Formbook
error
Formbook
+ 4'560 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/260611-qfx7asft4l/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Adds Run key to start application
.NET Reactor proctector
Executes dropped EXE
Unpacked files
SH256 hash:
ef6e6eeefd2da3e97e1c302f04eb3fbc38eb140c6bd1c3bd95b4f922b2012a49
MD5 hash:
ed95203a39817a9499d506c0c867257e
SHA1 hash:
b40c617f93bf3a2b2db7016ba583fc61d573c134
Link:
https://www.unpac.me/results/4e0f1885-6e8c-4faf-91b2-6de8ac30acd4/
SH256 hash:
c0f6bbb0d5eb59fe92ffe46e7292b50f1b21594cc098d6a9500419c3914131a3
MD5 hash:
515aea6ac4c21f9a446676978958d003
SHA1 hash:
082505696e5df5bcaa2b5b1ff556f61e4d1309cb
Link:
https://www.unpac.me/results/4e0f1885-6e8c-4faf-91b2-6de8ac30acd4/
SH256 hash:
596dbccc1724d73a371ceccdb2064e3a5f3ee78250009ca8519bd35e766b4228
MD5 hash:
1c3425a8dac46d8648b04e82069d914c
SHA1 hash:
30df14e98db6b8a7e3016d11b3fa9e53487194c9
Link:
https://www.unpac.me/results/4e0f1885-6e8c-4faf-91b2-6de8ac30acd4/
SH256 hash:
b6d110392f755acca61f24f24dd7a31899301ad8dc4311ffb8b9f5ef99866b88
MD5 hash:
8921df6ba977c93ac1071d058e6033df
SHA1 hash:
7a483ae988dde725b824e675870df550ec5e60ed
Detections:
win_formbook_w0
Create hunting rule
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
FormBook
Create hunting rule
Link:
https://www.unpac.me/results/4e0f1885-6e8c-4faf-91b2-6de8ac30acd4/
Parent samples :
93ff044e9247c1136e328b8bd3d225513ab3b2975c8e0e03b8f2c52aec9f0be9
ef6e6eeefd2da3e97e1c302f04eb3fbc38eb140c6bd1c3bd95b4f922b2012a49
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ef6e6eeefd2d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ef6e6eeefd2da3e97e1c302f04eb3fbc38eb140c6bd1c3bd95b4f922b2012a49

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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Malspam

Formbook

Executable exe ef6e6eeefd2da3e97e1c302f04eb3fbc38eb140c6bd1c3bd95b4f922b2012a49

(this sample)

  
Delivery method
Distributed via e-mail attachment

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