MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7cbd68855a7b22813a55be11f4cf5b397a6aba7bf00ffdcd5c81cb5d88a99306. 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: 12


Intelligence 12 IOCs YARA 11 File information Comments
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SHA256 hash: 7cbd68855a7b22813a55be11f4cf5b397a6aba7bf00ffdcd5c81cb5d88a99306
SHA3-384 hash: a9b51622d72ce08e1106a3a516335749c17b2de5ba02f25cca41f0a82d4447ae6169ec5bc84364548bc111fb120fb163
SHA1 hash: ab61798d5d072272889d901f5b4f2bd5b71bb000
MD5 hash: 7040ce747670bb19d269b70861bc9688
humanhash: pennsylvania-network-california-zulu
File name:file
Download: download sample
Signature Formbook
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File size:621'568 bytes
First seen:2023-01-30 13:17:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:+zv5mHANY2ZihGv6JDCufK/+TLb2u2WRS3PjLIyC/KjqNPabbPoE2:+j5mHV2ZihAimufKWTLbx3S7LIyC/RPN
TLSH T14AD42395B7874B84E46E22B641DB093013E02FDBB5B7EB8E3E40B31E40A53637E99754
TrID 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon d2e8ecb2b2a2b282 (106 x AgentTesla, 106 x Formbook, 24 x RedLineStealer)
Reporter jstrosch
Tags:.NET exe FormBook MSIL

Intelligence

File Origin
# of uploads :
1
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
JOB 20230125 RFQ - TECHNOFITME.js
Verdict:
Malicious activity
Analysis date:
2023-01-30 12:37:53 UTC
Tags:
stealer trojan formbook
Link:
https://app.any.run/tasks/efe8b41f-1d18-4415-8d11-0c42b2754675

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/358336/
Detection(s):
SecuriteInfo.com.Trojan.Generic.33188551.2333.26744.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Stealing user critical data
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
75%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/63d7c392447edb203a020a0b/reports/9c183def-0d5e-43a6-83cf-5bd7e7df7ca4/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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fb177f5f-9352-4916-95c2-8dcc194e64eb
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1161638
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Allocates memory in foreign processes
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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 794393 Sample: file.exe Startdate: 30/01/2023 Architecture: WINDOWS Score: 100 32 Snort IDS alert for network traffic 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 3 other signatures 2->38 8 file.exe 1 2->8         started        process3 file4 22 C:\Users\user\AppData\Local\...\file.exe.log, CSV 8->22 dropped 48 Writes to foreign memory regions 8->48 50 Allocates memory in foreign processes 8->50 52 Injects a PE file into a foreign processes 8->52 12 CasPol.exe 8->12         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 12->54 56 Maps a DLL or memory area into another process 12->56 58 Sample uses process hollowing technique 12->58 60 Queues an APC in another process (thread injection) 12->60 15 explorer.exe 5 6 12->15 injected process8 dnsIp9 24 www.firebirds-softball.org 91.195.240.117, 49713, 80 SEDO-ASDE Germany 15->24 26 www.sem-jobs.com 85.13.156.177, 49738, 49739, 49740 NMM-ASD-02742FriedersdorfHauptstrasse68DE Germany 15->26 28 9 other IPs or domains 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 19 msiexec.exe 13 15->19         started        signatures10 process11 signatures12 40 Tries to steal Mail credentials (via file / registry access) 19->40 42 Tries to harvest and steal browser information (history, passwords, etc) 19->42 44 Modifies the context of a thread in another process (thread injection) 19->44 46 Maps a DLL or memory area into another process 19->46
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7cbd68855a7b22813a55be11f4cf5b397a6aba7bf00ffdcd5c81cb5d88a99306/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2023-01-30 13:18:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ps6wrbk2pmricosvxyi7jt23hf5gvot36ah73tk4qhfv3cfjsmda._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
n/a
Score:
  8/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/230130-qjy8rsae45/
Behaviour
Modifies Internet Explorer settings
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
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Blocklisted process makes network request
Unpacked files
SH256 hash:
0ef99d8898ab5b912dedb9ba5f898e8a4fcb9364741628d9827579fda946a480
MD5 hash:
452a58531050c25491c7582841c0554d
SHA1 hash:
d3b28c2d97c664ff983612d78460423b99d08e6a
Detections:
win_formbook_w0
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win_formbook_auto
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win_formbook_g0
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Link:
https://www.unpac.me/results/2f475bc5-ef07-4f1f-b3f1-b356e0dd4f82/
SH256 hash:
33e563665ddfad696dcecabfa278964eb891a80d186c7b8c3623d52508fafdd9
MD5 hash:
d16e0d9122ec5448fea6fb496c709fe3
SHA1 hash:
1ddfbe693b65c96179349f903af407e4ab202105
Link:
https://www.unpac.me/results/2f475bc5-ef07-4f1f-b3f1-b356e0dd4f82/
SH256 hash:
7cbd68855a7b22813a55be11f4cf5b397a6aba7bf00ffdcd5c81cb5d88a99306
MD5 hash:
7040ce747670bb19d269b70861bc9688
SHA1 hash:
ab61798d5d072272889d901f5b4f2bd5b71bb000
Link:
https://www.unpac.me/results/2f475bc5-ef07-4f1f-b3f1-b356e0dd4f82/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7cbd68855a7b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/7cbd68855a7b22813a55be11f4cf5b397a6aba7bf00ffdcd5c81cb5d88a99306

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:azov_Dropped
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Author:Potatech
Description:Azov Detection
Rule name:BAZT_B5_NOCEXInvalidStream
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Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NETDIC208_NOCEX_NOREACTOR
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Formbook
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Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
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Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Web download

Formbook

Executable exe 7cbd68855a7b22813a55be11f4cf5b397a6aba7bf00ffdcd5c81cb5d88a99306

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2522633/
Cape
Cape
https://www.capesandbox.com/analysis/358336/

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