MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b81deeedf20176eab269dc52fb165d8d8c7f74fe3bddf09089702b37dd012ce6. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b81deeedf20176eab269dc52fb165d8d8c7f74fe3bddf09089702b37dd012ce6
SHA3-384 hash: ed7605712aeec5dd2f930f463f6ec1ba1f57aa58cf02360226f97ecdc91168de9e1209c6f886b6257476af41978cd1dc
SHA1 hash: 65c6d2dc29a74b4ae79594c2a0517c41a0798f9c
MD5 hash: 64d571f6ab61788ccd1d0e7e83f85e1e
humanhash: sixteen-item-zulu-whiskey
File name:Quotation.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:720'896 bytes
First seen:2023-05-03 10:18:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:MPFQH49xB8v6CJvt7pxtQdqqEoL9zH95wo3BE:CFQY9EtxtQdBEoL9zb3O
Threatray 1'240 similar samples on MalwareBazaar
TLSH T153E4E0603299575AD03F5BF0046CB44103B1B5E7B8EFD6681EA7B8C9DAA7F420A7052F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter Anonymous
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
254
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Quotation.exe
Verdict:
Malicious activity
Analysis date:
2023-05-03 10:21:19 UTC
Tags:
formbook xloader
Link:
https://app.any.run/tasks/108610d0-8431-47d8-b87b-baeb10c0301b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/386217/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.66815085.26707.3702.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot packed
Link:
https://www.filescan.io/uploads/645235165642c9c405e25957/reports/5c950271-b8a1-4e49-b544-972f786b672a/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b81deeedf20176eab269dc52fb165d8d8c7f74fe3bddf09089702b37dd012ce6
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8b952fcc-56cb-46dc-87f5-9f610e2d7ac8
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1225234
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 858197 Sample: Quotation.exe Startdate: 03/05/2023 Architecture: WINDOWS Score: 100 55 www.x7c7h.com 2->55 71 Snort IDS alert for network traffic 2->71 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 9 other signatures 2->77 11 Quotation.exe 6 2->11         started        15 wKVmDzRBwGW.exe 4 2->15         started        signatures3 process4 file5 49 C:\Users\user\AppData\...\wKVmDzRBwGW.exe, PE32 11->49 dropped 51 C:\Users\...\wKVmDzRBwGW.exe:Zone.Identifier, ASCII 11->51 dropped 53 C:\Users\user\AppData\Local\...\tmp5233.tmp, XML 11->53 dropped 85 Uses schtasks.exe or at.exe to add and modify task schedules 11->85 87 Adds a directory exclusion to Windows Defender 11->87 89 Tries to detect virtualization through RDTSC time measurements 11->89 17 Quotation.exe 11->17         started        20 powershell.exe 21 11->20         started        22 schtasks.exe 1 11->22         started        91 Multi AV Scanner detection for dropped file 15->91 93 Machine Learning detection for dropped file 15->93 95 Injects a PE file into a foreign processes 15->95 24 wKVmDzRBwGW.exe 15->24         started        26 schtasks.exe 15->26         started        28 wKVmDzRBwGW.exe 15->28         started        signatures6 process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 17->63 65 Maps a DLL or memory area into another process 17->65 67 Sample uses process hollowing technique 17->67 69 Queues an APC in another process (thread injection) 17->69 30 explorer.exe 4 6 17->30 injected 34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 26->38         started        process9 dnsIp10 57 diamondsilkregimen.com 15.197.142.173, 49704, 80 TANDEMUS United States 30->57 59 www.bjzlccqz.com 206.233.181.205, 49702, 80 COGENT-174US United States 30->59 61 10 other IPs or domains 30->61 97 System process connects to network (likely due to code injection or exploit) 30->97 40 rundll32.exe 30->40         started        43 svchost.exe 30->43         started        signatures11 process12 signatures13 79 Modifies the context of a thread in another process (thread injection) 40->79 81 Maps a DLL or memory area into another process 40->81 83 Tries to detect virtualization through RDTSC time measurements 40->83 45 cmd.exe 40->45         started        process14 process15 47 conhost.exe 45->47         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b81deeedf20176eab269dc52fb165d8d8c7f74fe3bddf09089702b37dd012ce6/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-05-02 19:59:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xao653psaf3ovmtj3rjpwfs5rwgh65h6hpo7beejoavtpxibftta._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
00cfe203d12d732e66ba6f2bfbd6b7dff900b2c7b90cba95a435f9f78adafeca
Formbook
0bf1ad7e3d5f2bdd589d32f36db80fe2862a8b3412c7cfcdef4f839c9339d6af
Formbook
10e1fd083fbaa700f1580863bc6bdc928fff23f2edc479c6a8d4e3d7ff57926c
Formbook
17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851
Formbook
319ed15753e7ce1ff182e1bd2e4900de9c76300f30cb645c01b57324de50face
Formbook
33b5ccf1b3b48e22ab607320e0bb143ad0ac2a9770b0e385c0365366de472ceb
Formbook
3c7e3789b58b388a933c51740bcdc44c6a46bdaca5969e46b6b183294f470bd3
Formbook
a83adc88feb896f4fa1b09b3d5043fd506f9de5f6d695f7e18bb3d84019abb85
Formbook
c233b5359370a026201a1648489a3f1f91fd11cadb41e87ce45c60ea3a15f8f1
Formbook
d40024a841668b3cb64cb894613ee64fb37288125d32ca3068007f70db30f1ed
Formbook
+ 1'230 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:ce18 rat spyware stealer trojan
Link:
https://tria.ge/reports/230503-mcg45agb3w/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
1bdaffb11c20e77e5368237e17be8805b7c0a705f69b35dd054efc53a19a6e8c
MD5 hash:
285d2a6f998ad7caf3f4718f1281dd64
SHA1 hash:
cc6ff884f4fa53dd41ff484f86f4bab0ab7f88e2
Detections:
FormBook
Create hunting rule
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/59fb178c-aaeb-4822-9f49-fe8d479e49d4/
Parent samples :
2069c3254c5a28daea136f39db600c179ba421e70f71cdd5765575012eb42d42
d40024a841668b3cb64cb894613ee64fb37288125d32ca3068007f70db30f1ed
17ffde8137ccb72df1cf904e6e550a14e03c6e7029a507731a0a721697249851
b08291dfdb766139150a65ebf9e895dea34436f76123a52116e0d03944e1a4e9
b81deeedf20176eab269dc52fb165d8d8c7f74fe3bddf09089702b37dd012ce6
5a5c76f1d8102545a33474c1a81b7742425cea8bfc4dc81d112fc03af2d3682b
dae4a7ae7b88e0e864d2dac3ebabee86916b29c609623b754fbd253d2812a491
8b9641ea4b07a7e2e48a7be9f45a20b7c0663838d5430c90b452729843f4ea21
059d5f6ce17550f0aad80205593ff14cd81bcacf6e2b3bbc1cee716f9669aa64
e8cb5925478cdb28bba3e7c553ebc3bd1a3e292d83af4c16a8bfd14a7d20b05f
SH256 hash:
a47efb2c6249c8e14fe4ce75277598a54d6ef8ed63f2eb13c980091c671fed57
MD5 hash:
86d30f236ede9b8a3b2f4bf0f36ba306
SHA1 hash:
afe4ff60a7448fb552fb57f663c780f5cb912366
Link:
https://www.unpac.me/results/59fb178c-aaeb-4822-9f49-fe8d479e49d4/
SH256 hash:
40c050c20d957d26b932faf690f9c2933a194aa6607220103ec798f46ac03403
MD5 hash:
c768bac25fc6f0551a11310e7caba8d5
SHA1 hash:
95f9195e959fb48277c95d1dd1c97a4edff7cb3a
Link:
https://www.unpac.me/results/59fb178c-aaeb-4822-9f49-fe8d479e49d4/
SH256 hash:
c58fa1ee7263a75bb204d36afb20ffca4c51b9b3fe4cef48ffd1eab9e7d5cd23
MD5 hash:
c29f4010a60bc8a00c0ef12e1659359d
SHA1 hash:
474c8e48317c8dd07a458b938a52f7a23a558234
Link:
https://www.unpac.me/results/59fb178c-aaeb-4822-9f49-fe8d479e49d4/
SH256 hash:
8362a107d309eb065d84b5780573c9fd37827ff8f975eaa758b6cec1091172fc
MD5 hash:
c23099f8f63823b69870bfbf7749ecef
SHA1 hash:
2651b69408237d6854e68fc610ea8bb12acae4fd
Link:
https://www.unpac.me/results/59fb178c-aaeb-4822-9f49-fe8d479e49d4/
SH256 hash:
b81deeedf20176eab269dc52fb165d8d8c7f74fe3bddf09089702b37dd012ce6
MD5 hash:
64d571f6ab61788ccd1d0e7e83f85e1e
SHA1 hash:
65c6d2dc29a74b4ae79594c2a0517c41a0798f9c
Link:
https://www.unpac.me/results/59fb178c-aaeb-4822-9f49-fe8d479e49d4/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b81deeedf201/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/b81deeedf20176eab269dc52fb165d8d8c7f74fe3bddf09089702b37dd012ce6

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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.

Malspam

Formbook

Executable exe b81deeedf20176eab269dc52fb165d8d8c7f74fe3bddf09089702b37dd012ce6

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/386217/

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