MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73a92bd6fa63983c7597d29e037e8c07c30c6f3e93fb715f446fefdbc1cdf53f. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 73a92bd6fa63983c7597d29e037e8c07c30c6f3e93fb715f446fefdbc1cdf53f
SHA3-384 hash: 637f193927668af7b5fb9a85a67de6297b1173c68f188c962d26e70eeedce47590b8b5c2666fafaa1d3ec2f877addf38
SHA1 hash: 6775c23641eacc0f480842efae5cc64fe57c009f
MD5 hash: e484d412f72fc02c59aa92cab3521741
humanhash: bravo-hamper-table-tango
File name:detalles de pago.pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:889'856 bytes
First seen:2022-05-10 15:42:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:BZJ7Yu9WERX0A4ZfNTza4A7r+OasJZiYDb9:Bb9WM0r+4A2dsDiYH9
TLSH T19E156BAC7250B5DFC857CD76C9A81C64EA6038BA930BD203A05726ED9E1DA87DF141F3
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
254
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
detalles de pago.pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-05-10 16:59:39 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/5b1777dc-eb30-4e92-8db4-eaf1542ea01a

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/269484/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/627a87d7a40dfc4df212e3f2/reports/5d66c5f9-18c4-4d52-87b7-3ff484ff93cb/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/5e42b3a4-4039-495d-936b-25ca4aceb854
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/991134
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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 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)
Sample uses process hollowing technique
Self deletion via cmd delete
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/73a92bd6fa63983c7597d29e037e8c07c30c6f3e93fb715f446fefdbc1cdf53f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-10 15:40:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oousxvx2momdy5mx2kpag7uma7bqy3z6sp5xcx2en7x5xqon6u7q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:uevb loader rat suricata
Link:
https://tria.ge/reports/220510-s5wqwadcfn/
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Blocklisted process makes network request
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
a03df06f1b6738a817d0c1648597acf06b1826380c545717d7c96c696a53c115
MD5 hash:
3125c8b4621fff0a9bb6f0eca226d4b9
SHA1 hash:
f0efc048549d8c7b6ee2e34417525c7cf2ae51d8
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/f282909a-ebe6-4b29-86fb-aa2fbf5325de/
Parent samples :
c229dfc2fbeae18ab1517a096e4b53639144648a9e6d1bd74d0174ce90a4ecb6
73a92bd6fa63983c7597d29e037e8c07c30c6f3e93fb715f446fefdbc1cdf53f
42d30177b0c30b32035b485497e4ca61656bc4742d07671344594eae9f0be6d6
7c9b9fd316c451b92af97cb1c8caf087ab4ab69fbe9f8b79f2acc2757b52d6a0
44b1dff68d30d26e66109242a853e50a41313104a49231001af3e46ce5de60cc
fa0a173ce3c81beca241fed122f26b8e91d797094cb224bea00e54a142c6a5d5
SH256 hash:
469af8b26c535d0706bd9a8b60511977c70c7a545e8d99d56c9d92faea595329
MD5 hash:
dd8f98e32734dfab75689651137a3cbd
SHA1 hash:
bf63b5ad7d693f2b2fe5e90def3a024f0681e625
Link:
https://www.unpac.me/results/f282909a-ebe6-4b29-86fb-aa2fbf5325de/
SH256 hash:
417fbf6ee0491d2b11145ec9e3f64a7231de4d86c151d38c9b6b8eed0912b98e
MD5 hash:
e6417e4f40bf0980689a4b794a793ce2
SHA1 hash:
b6ed944ac449a6102fb5badf4eae34f37054565a
Link:
https://www.unpac.me/results/f282909a-ebe6-4b29-86fb-aa2fbf5325de/
SH256 hash:
5c2d33798f68a88c67dd3a046439ba304928c6bf382702a3325cc16500e6cfc4
MD5 hash:
5caf0e5881032e9a66f68d7c8eb26810
SHA1 hash:
3df667a1e52e1e306e9dc3f0791b735469cdc202
Link:
https://www.unpac.me/results/f282909a-ebe6-4b29-86fb-aa2fbf5325de/
SH256 hash:
73a92bd6fa63983c7597d29e037e8c07c30c6f3e93fb715f446fefdbc1cdf53f
MD5 hash:
e484d412f72fc02c59aa92cab3521741
SHA1 hash:
6775c23641eacc0f480842efae5cc64fe57c009f
Link:
https://www.unpac.me/results/f282909a-ebe6-4b29-86fb-aa2fbf5325de/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/73a92bd6fa63983c7597d29e037e8c07c30c6f3e93fb715f446fefdbc1cdf53f

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/269484/

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