MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf72c2caa17e8d579ea996b2bf36bb251498e56e26375b88703f1d59289d9e80. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: bf72c2caa17e8d579ea996b2bf36bb251498e56e26375b88703f1d59289d9e80
SHA3-384 hash: 7a841283af7a7b7fe5e862913865064548446fefc0e342cb2dc19cfef25d0fcea3c64128a435467adaa695cb0ad6438a
SHA1 hash: 56ecb3afbb70e328f8bf108b6018bb6114de08af
MD5 hash: c3273ec5d76522e614cca60294292ec4
humanhash: saturn-alpha-sierra-nuts
File name:bf72c2caa17e8d579ea996b2bf36bb251498e56e26375b88703f1d59289d9e80
Download: download sample
Signature Formbook
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File size:889'344 bytes
First seen:2023-01-10 11:24:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:DoQgKZ/nXt7virmWhlGLaQYIk0zognj4zONMGcR9W7Yob1TLX5/3Xfw7jFnpf555:G2ognj4zOnc27PJLXNfw7ppxZ
TLSH T1DD15F82F8ED3A5D4ED3787F872559BB83D62B3C1A8A51C0568A09033014C53EB76FEA5
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 adrian__luca
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
197
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bf72c2caa17e8d579ea996b2bf36bb251498e56e26375b88703f1d59289d9e80
Verdict:
Suspicious activity
Analysis date:
2023-01-10 11:24:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1c704678-6e38-4619-ac6d-1de608bf4ddd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/351475/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.46272.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63bd4b10fc9525ae8a45272f/reports/24134ef5-442d-4168-b1c0-07269f078409/overview
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c42fb289-1562-4296-9321-5848e8785318
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1148657
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 781390 Sample: 7fkzJyMayo.exe Startdate: 10/01/2023 Architecture: WINDOWS Score: 100 24 www.yes2e.tech 2->24 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 6 other signatures 2->46 8 7fkzJyMayo.exe 3 2->8         started        signatures3 process4 file5 22 C:\Users\user\AppData\...\7fkzJyMayo.exe.log, ASCII 8->22 dropped 11 7fkzJyMayo.exe 8->11         started        14 7fkzJyMayo.exe 8->14         started        process6 signatures7 48 Modifies the context of a thread in another process (thread injection) 11->48 50 Maps a DLL or memory area into another process 11->50 52 Queues an APC in another process (thread injection) 11->52 16 cmmon32.exe 13 11->16         started        19 explorer.exe 11->19 injected process8 dnsIp9 30 Tries to steal Mail credentials (via file / registry access) 16->30 32 Tries to harvest and steal browser information (history, passwords, etc) 16->32 34 Deletes itself after installation 16->34 38 2 other signatures 16->38 26 www.iaaconsultants.com 156.254.170.153, 49701, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 19->26 28 www.infraedu.info 121.254.178.252, 49702, 49703, 49704 LGDACOMLGDACOMCorporationKR Korea Republic of 19->28 36 System process connects to network (likely due to code injection or exploit) 19->36 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf72c2caa17e8d579ea996b2bf36bb251498e56e26375b88703f1d59289d9e80/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-12-07 08:07:36 UTC
AV detection:
22 of 41 (53.66%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x5zmfsvbp2gvphvjs2zl6nv3eukjrzloey3vxcdqh4ovske5t2aa._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:u2t4 rat spyware stealer trojan
Link:
https://tria.ge/reports/230110-nh98jabe9x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/43fbe0f2-1060-49aa-9c2a-2c92ee785ba4
Unpacked files
SH256 hash:
959bd36359bbcaa56a2add5d7a34a96a326dc93cbf9423f242830570b31f94f4
MD5 hash:
bc0d16b08ecfb94a917bd18442054e3c
SHA1 hash:
925b845dccc589d6a65ebd0927786165e87e989b
Detections:
XLoader
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/90b879ae-b0fc-419c-b92b-fb7ab18fe7b0/
Parent samples :
b93895bf25b4802252c954577edfceb1ec4288270bbd04a5aa6226f7c974774a
2382a65e62ea823df4d480c958ba0df9712521d74cbf85327f1279c6729f4797
6c0b46a75222d73d7c3b383335b4445ecbf1e4559b132dc64a291929128c04ae
bf72c2caa17e8d579ea996b2bf36bb251498e56e26375b88703f1d59289d9e80
SH256 hash:
782be9612927fe798168cb379202d7d4965a8f7271f4d4c73233e3fedcc05489
MD5 hash:
5bad6dcdad3c91897b544a21bac192c1
SHA1 hash:
5ed31cb612c82d1b61aec69b4074b8cf47378091
Link:
https://www.unpac.me/results/90b879ae-b0fc-419c-b92b-fb7ab18fe7b0/
SH256 hash:
0a57670c1f8544d8f0f7dbbe006e34bfd8c40e03ac775d0c718e44c48258d792
MD5 hash:
adce14fe14f17468e17259fe19da736b
SHA1 hash:
ffa3b147e856dbdf0e04e735990ece4829fd0054
Link:
https://www.unpac.me/results/90b879ae-b0fc-419c-b92b-fb7ab18fe7b0/
SH256 hash:
014b1d2dafb30cacdd1efa4161c5d0be57f1723c36dd038721028c0dc72b8d0e
MD5 hash:
f6b3a331a852f6001e65180a1b5ed40b
SHA1 hash:
f268b7b7f96da157f4a3acbe5121950407f4df1f
Link:
https://www.unpac.me/results/90b879ae-b0fc-419c-b92b-fb7ab18fe7b0/
SH256 hash:
066756520ef935cd101514749fa6cfc64aebcb175e4788ffdb353115ea046439
MD5 hash:
b3f1626f86de392066c26e3b9d50a1bc
SHA1 hash:
65bae56f7e492ac271f441422e60f1f01693b655
Link:
https://www.unpac.me/results/90b879ae-b0fc-419c-b92b-fb7ab18fe7b0/
SH256 hash:
c19f0ba88b25782ab2881c1018d01ba05b7e3daf6e2934207bbe8c266bf03c6a
MD5 hash:
387996e428767ce68e0375061271408b
SHA1 hash:
5f0e25bebf8dd3f50bc1d28e6de723cfe5dc6980
Link:
https://www.unpac.me/results/90b879ae-b0fc-419c-b92b-fb7ab18fe7b0/
SH256 hash:
bf72c2caa17e8d579ea996b2bf36bb251498e56e26375b88703f1d59289d9e80
MD5 hash:
c3273ec5d76522e614cca60294292ec4
SHA1 hash:
56ecb3afbb70e328f8bf108b6018bb6114de08af
Link:
https://www.unpac.me/results/90b879ae-b0fc-419c-b92b-fb7ab18fe7b0/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bf72c2caa17e/report/overview.html
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/bf72c2caa17e8d579ea996b2bf36bb251498e56e26375b88703f1d59289d9e80

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:pe_imphash
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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/351475/

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