MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3f399ca73ed8649d535aff90391ae6b77d52caa0959038e3d20b15fa6217ba7. 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: b3f399ca73ed8649d535aff90391ae6b77d52caa0959038e3d20b15fa6217ba7
SHA3-384 hash: 6ab01777406a36f43e96d27bbcf469542d44a1373b6d719525c0cd1fa05a5e0cc54a5405964b66cec4d5e79662905407
SHA1 hash: 3c11a11305345948252e6a66d616ab047f2842a4
MD5 hash: 8bfb479a3b31f8e51ef539a3daac6013
humanhash: fanta-triple-wolfram-oscar
File name:SecuriteInfo.com.W32.AIDetectNet.01.16564.5254
Download: download sample
Signature Formbook
Create hunting rule
File size:1'163'776 bytes
First seen:2022-06-01 15:38:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:bTcFFEK613BslfrA+7AicyikTnfmLumBE5yW:vcUK613u8Nkqqv5y
TLSH T10D35F71163E92A49F5FA6BA9A935658407BB3DDA693DD31E08DC90CE1F73F008851B33
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
385
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.16564.5254
Verdict:
Suspicious activity
Analysis date:
2022-06-01 15:59:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6dfd6377-fd2c-4113-b1bc-ef01673b56c3

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/276133/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.16564.5254.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
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/9ed28e73-8a90-4e6f-9bbb-c05dce3eb81e
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1005189
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
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/b3f399ca73ed8649d535aff90391ae6b77d52caa0959038e3d20b15fa6217ba7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-01 13:44:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wpzztstt5wdetvjvv74qhenonn35klfkbfmqhdr5ecyv7jrbpotq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ceah loader rat
Link:
https://tria.ge/reports/220601-s3lswsheb7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
ee57621b9c15ee6a3d3d09ee36ddea4d2f61926c766ebe3b6843364ca76f7cb2
MD5 hash:
16dda87e4ae3551c05550c6a66ba9712
SHA1 hash:
0fede5fc2d9ca3c4277e2442d74d304c3a11968e
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/b25270ec-ba80-422b-853c-af5a17b04f1c/
Parent samples :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 hash:
be0a138e8b817b0961a3344d9466a07fdb2539cadf615782405f9f0f926b97db
MD5 hash:
bfb5af6684e10fa8dd58e766e12d81e5
SHA1 hash:
730c896a2708f636d7d263705300b5fb88f621fe
Link:
https://www.unpac.me/results/b25270ec-ba80-422b-853c-af5a17b04f1c/
SH256 hash:
84acb0752d82db991e6ec27d4b897b4d31cabd6576a1bf4ddd54c8497a81a575
MD5 hash:
3e2cd0c5e7bc0ada2ebcf014e0d05e84
SHA1 hash:
21932c9e3f71d06c5d9dc3c440e519f604c9e108
Link:
https://www.unpac.me/results/b25270ec-ba80-422b-853c-af5a17b04f1c/
SH256 hash:
879c29560b21be7d9b69ca27ca4756df86e080fa3e34cb191aad5cb1e5f05504
MD5 hash:
30b6a54a992eae921a2eb8c5ea130911
SHA1 hash:
1c83f0319bffe007077c6656418c9b7344d5affe
Link:
https://www.unpac.me/results/b25270ec-ba80-422b-853c-af5a17b04f1c/
SH256 hash:
b3f399ca73ed8649d535aff90391ae6b77d52caa0959038e3d20b15fa6217ba7
MD5 hash:
8bfb479a3b31f8e51ef539a3daac6013
SHA1 hash:
3c11a11305345948252e6a66d616ab047f2842a4
Link:
https://www.unpac.me/results/b25270ec-ba80-422b-853c-af5a17b04f1c/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b3f399ca73ed/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b3f399ca73ed8649d535aff90391ae6b77d52caa0959038e3d20b15fa6217ba7

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.

Cape
Cape
https://www.capesandbox.com/analysis/276133/

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