MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9420d9aebcbac4b5e7410b11383972bc328409d01d3ac2b7188ec7176f28cce. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9420d9aebcbac4b5e7410b11383972bc328409d01d3ac2b7188ec7176f28cce
SHA3-384 hash: 94bdc66ee17eb3dd3a500372604c65995c359a006f69319ca47098ca8fc63a00aa962c34569d9f9931d024ce41e1cef5
SHA1 hash: 4076a325e8b40ae7f90ed797ca1b74020fe3107c
MD5 hash: ae5edb053d773cccdfb1591933d8dca9
humanhash: papa-oregon-india-ohio
File name:ae5edb053d773cccdfb1591933d8dca9.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:391'704 bytes
First seen:2022-06-27 08:49:25 UTC
Last seen:2022-06-27 11:55:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:pRMltwe2EmjENSZIVQyeGRqp8h4SSSZcHAyrp8jzS:pS2y9ks4bDSO
TLSH T140849C5BB78C9B4DC20889B5F1F3493103A2EF972632DA15B9C0FE6D0EB139D6A442C5
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 6ccccc9cc4d8e8f4 (41 x Formbook, 34 x AgentTesla, 3 x AveMariaRAT)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/283484/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/62b96f7997d86eb27b1f9ca3/reports/04efb632-6136-4b6d-9ff2-17d328a33bf2/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/2ae5c0be-b998-4033-b3cc-182b707c2ad1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1020251
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b9420d9aebcbac4b5e7410b11383972bc328409d01d3ac2b7188ec7176f28cce/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-27 08:50:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xfba3gxlzowewxtuccyrha4xfpbsqqe5ahj2yk3rrdwhc5xsrtha._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:vweq loader rat spyware stealer suricata
Link:
https://tria.ge/reports/220627-krk38abhb5/
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
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Blocklisted process makes network request
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
f93e9981a81b0f7db18b7dc39f25f29c02f639d5a6223d4a0593950a6c657cdd
MD5 hash:
3324ff03f3e3fa0f045e0ecde513eb5e
SHA1 hash:
c23458d1aab751b011a7ff20e9a8df4c8f06b1d2
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
XLoader
Create hunting rule
Link:
https://www.unpac.me/results/0b450ec9-0b8b-431b-bbbd-e3be79909971/
Parent samples :
276c6876c250e5ebfd761d05937f5a48f7e4c9a6851293a77ab9bf683c8bbf80
e640ade723ba4aa48f63db4293d15b61c07c05bfdd93a3a0f83f4a177306b87d
b9420d9aebcbac4b5e7410b11383972bc328409d01d3ac2b7188ec7176f28cce
cae9a0644fd5cc322d7507cb395211a8af890df841bcd028f56e77399ada378b
be5b336a3ad03b3b70a286e38ba35c631f7d98f3c54e996c2e787f225b449879
38fbf4ef63938c61701107b226bef84d19a357b215830ce660101cfe6f59e75c
SH256 hash:
2874e5df22987e97c8b7bb7fc8918b3272ee24d7d348e65ee0b625542523ae04
MD5 hash:
72c53640c94c256097312c0bc46ea8e3
SHA1 hash:
1e8f6aefb7d174138d1455a6b4bc6d1bf8c58f77
Link:
https://www.unpac.me/results/0b450ec9-0b8b-431b-bbbd-e3be79909971/
SH256 hash:
b9420d9aebcbac4b5e7410b11383972bc328409d01d3ac2b7188ec7176f28cce
MD5 hash:
ae5edb053d773cccdfb1591933d8dca9
SHA1 hash:
4076a325e8b40ae7f90ed797ca1b74020fe3107c
Link:
https://www.unpac.me/results/0b450ec9-0b8b-431b-bbbd-e3be79909971/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b9420d9aebcbac4b5e7410b11383972bc328409d01d3ac2b7188ec7176f28cce

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:MALWARE_Win_zgRAT
Create hunting rule
Author:ditekSHen
Description:Detects zgRAT
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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 b9420d9aebcbac4b5e7410b11383972bc328409d01d3ac2b7188ec7176f28cce

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/283484/
  
URLhaus
https://urlhaus.abuse.ch/url/2250877/
  
Delivery method
Distributed via web download

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