MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc721a45aa96e7fbf3729572448b5d00dd15cc090763fdf1b6bcefbff6bf453b. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fc721a45aa96e7fbf3729572448b5d00dd15cc090763fdf1b6bcefbff6bf453b
SHA3-384 hash: 22ed59d923e75387dc57101d666f051f1215447613c96bfdd687bcc371eac41d9571601e3936d3424a1b0d2963fd90af
SHA1 hash: 7af35c9118cd81b4b2482a5683ef9e5f468a88c9
MD5 hash: 62759c42c39c17a019d30c45358cc6b2
humanhash: washington-white-ink-july
File name:62759c42c39c17a019d30c45358cc6b2.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:888'320 bytes
First seen:2022-09-13 18:45:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:bGx1EtrC3uj0SaUu2R8B3P80zBnNYvCuKLk4peefrF:6KrC+YSaUuR3PtBnNYquKLVoI
TLSH T16515290721D40DA5C07691BC24CCC5B35BAADE85E63BC945BFC99CAFF192F2846D23A1
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
360
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/309839/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.42577.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6320d0b06da26524a13ca197/reports/c3315a6d-8924-4930-8cf7-f72c27b0c15f/overview
Result
Verdict:
UNKNOWN
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/da8c7090-8057-4b5f-8419-5653c9ce8f71
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1069786
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fc721a45aa96e7fbf3729572448b5d00dd15cc090763fdf1b6bcefbff6bf453b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-09-13 13:11:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
18 of 25 (72.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7rzburnks3t7x43ssvzejc25adorltaja5r734nwxtx375v7iu5q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ez03 rat spyware stealer trojan
Link:
https://tria.ge/reports/220913-xemgqscbfn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/caa59e6a-0920-461a-a986-cef8f1887795
Unpacked files
SH256 hash:
e50bdf640d3702622de57f026b3ae585ffaf9f5b08d6896c1c2403092a2e295b
MD5 hash:
4c8184e14e863dbb659929f001ef2d78
SHA1 hash:
29a3b1b7be40951fb3d07c5d9fcbf7b729f94fea
Detections:
FormBook
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/4dba7d43-240d-4826-a008-e437c91ac6d7/
Parent samples :
78dd1114aae02a42921bbdeff31e6aa762352f5a64609c8858cee6532ad61f2b
e1dfd00a6920d1224fbe39a8522f2cdb806125572834f900a63a1b25ad515cbd
fc721a45aa96e7fbf3729572448b5d00dd15cc090763fdf1b6bcefbff6bf453b
eee40eae568d6209855e662943eb8c35b8a37ea29f228b7708846506559750af
93eb6ab13a2431d0479ef05cc8334bf562877b13a88d47009a490bb7a71ff186
09432cd10fd7ebd576a0870608766e3a31a9f7ffe5335ab22b044b51162c6fe2
SH256 hash:
8b533ffaed24e0351e489b14aaac6960b731db189ce7ed0c0c02d4a546af8e63
MD5 hash:
dbc7be56e6e32349315170599c8b333f
SHA1 hash:
d8e5840e3574b87d435e55a65ac648e040871aee
Link:
https://www.unpac.me/results/4dba7d43-240d-4826-a008-e437c91ac6d7/
SH256 hash:
f8b1953a3b1c8a7a61939000d251e58bb28d4aee7ced8a3272664eb1b877e851
MD5 hash:
5e0fa48251e470ea839a0f36b30fdf96
SHA1 hash:
4ddc48165188479c96ba8ceb84733efdd5cca91c
Link:
https://www.unpac.me/results/4dba7d43-240d-4826-a008-e437c91ac6d7/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/4dba7d43-240d-4826-a008-e437c91ac6d7/
SH256 hash:
76807d2b72edaf23ff24f2aa64c55bd5edd99b6ebf39e340c8f97f83e19bd627
MD5 hash:
bad31b27e3f00369f0058040155f149f
SHA1 hash:
00b72b749090ff7d5132e80ace9a172f74c1d1f7
Link:
https://www.unpac.me/results/4dba7d43-240d-4826-a008-e437c91ac6d7/
SH256 hash:
fc721a45aa96e7fbf3729572448b5d00dd15cc090763fdf1b6bcefbff6bf453b
MD5 hash:
62759c42c39c17a019d30c45358cc6b2
SHA1 hash:
7af35c9118cd81b4b2482a5683ef9e5f468a88c9
Link:
https://www.unpac.me/results/4dba7d43-240d-4826-a008-e437c91ac6d7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/fc721a45aa96e7fbf3729572448b5d00dd15cc090763fdf1b6bcefbff6bf453b

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
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.

Web download

Formbook

Executable exe fc721a45aa96e7fbf3729572448b5d00dd15cc090763fdf1b6bcefbff6bf453b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2298641/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/309839/

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