MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d558d34c10507e01d64d16d440491936bc11cf78032a5e4e1bd154602fd9930c. 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 4 File information Comments

SHA256 hash: d558d34c10507e01d64d16d440491936bc11cf78032a5e4e1bd154602fd9930c
SHA3-384 hash: b357ad6c48727abf62c39638b0c32cdac5355d76e8d3f6fbe07e6aae32cc7a514039c62dad32a2089bbc6e75761259cb
SHA1 hash: c983c707aa534b518d975f0f47911db42cdea482
MD5 hash: 90aa251a57843dac5f16585cafd3e007
humanhash: crazy-magazine-cat-nebraska
File name:SecuriteInfo.com.W32.AIDetectNet.01.17304.9482
Download: download sample
Signature Formbook
File size:772'096 bytes
First seen:2022-06-02 10:42:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:6LbTYeDzFpDfOtSVoJk/TnWNKUy02mwtrmINwqjxXK1Yc5ZtMDMH81PQ7PMNubZ5:2oePTOtzJk/TnWNKUV2FTtxXK1Y2Z+9
TLSH T135F43998329C36CFC46BC9328A645C60EBA0B47FAB1BD24798A305DD994CF57CF145B2
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 :
301
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.17304.9482
Verdict:
Malicious activity
Analysis date:
2022-06-02 10:51:29 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cmd.exe control.exe obfuscated packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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 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:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-02 07:52:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
31
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:vcir loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
f4d1630f911d433c827fec1591377920ce6fd6b016d2507bc40712a401c6d96d
MD5 hash:
8259197defc7525321b861c39a8e845e
SHA1 hash:
ed14e0b0be5e22cc5e063af205f284648ef11de3
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
1b0244c89dc64617c77a4eec54a7a49ff188ea51769accccb397b9ccb2224121
MD5 hash:
ef372c0c4b03117a3e2b652d96b6be9c
SHA1 hash:
4ea6de4844c96f10f4590577428e61bfa96402d8
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
d558d34c10507e01d64d16d440491936bc11cf78032a5e4e1bd154602fd9930c
MD5 hash:
90aa251a57843dac5f16585cafd3e007
SHA1 hash:
c983c707aa534b518d975f0f47911db42cdea482
Please note that we are no longer able to provide a coverage score for Virus Total.

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_Formbook_strings
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_formbook_auto
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.

Comments