MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57e9cd4097b50b6c174ec06bd21cd8f9f0583f92dd8ec3da4e3c93a9c820bd2a. 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 15 File information Comments
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SHA256 hash: 57e9cd4097b50b6c174ec06bd21cd8f9f0583f92dd8ec3da4e3c93a9c820bd2a
SHA3-384 hash: 00b17b69ac2bd35e0047fa250f67948abdbc37895a88cd19da558634d6c6453a2427331f3f75a0c64a12224a7757fda5
SHA1 hash: 91e3a6a92644ca276602d952abbcafda5d0eefc0
MD5 hash: 67bfa78e3c5617ead7bfb27840bcf120
humanhash: lamp-butter-freddie-earth
File name:invoice.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'379'328 bytes
First seen:2024-02-21 09:11:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 948cc502fe9226992dce9417f952fce3 (1'182 x CredentialFlusher, 446 x Formbook, 231 x AgentTesla)
ssdeep 24576:hqDEvCTbMWu7rQYlBQcBiT6rprG8aK35noqObrTpDMzTkQY:hTvC/MTQYxsWR7au5noqOJDcd
TLSH T1AD558D03775D80B2FF7A933A0656EAD156F86D190197B50F03B83C7DE9780610E2FA6A
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 64d292a2869682c4 (9 x AgentTesla, 8 x MassLogger, 6 x SnakeKeylogger)
Reporter lowmal3
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
382
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/477243/
Detection(s):
SecuriteInfo.com.Trojan.Generic.33203615.28472.17882.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
autoit bladabindi fingerprint keylogger lokibot lolbin masquerade packed shell32 threat
Link:
https://www.filescan.io/uploads/65d5be6422703c3491a8f76c/reports/40353065-f9f4-49f9-890b-76a2664f17c7/overview
Verdict:
Malicious
Labled as:
Trojan.Win64.Injects
Link:
https://www.hybrid-analysis.com/sample/57e9cd4097b50b6c174ec06bd21cd8f9f0583f92dd8ec3da4e3c93a9c820bd2a
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e414fac8-8642-4a71-bd10-719f64233bc0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1395972
Signature
Binary is likely a compiled AutoIt script file
Found API chain indicative of sandbox detection
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/57e9cd4097b50b6c174ec06bd21cd8f9f0583f92dd8ec3da4e3c93a9c820bd2a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/57e9cd4097b50b6c174ec06bd21cd8f9f0583f92dd8ec3da4e3c93a9c820bd2a/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-02-20 23:16:00 UTC
File Type:
PE (Exe)
Extracted files:
25
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k7u42qexwufwyf2oybv5ehgy7hyfqp4s3whmhwsohsj2tsbaxuva._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/240221-k56l3sea83/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
57e9cd4097b50b6c174ec06bd21cd8f9f0583f92dd8ec3da4e3c93a9c820bd2a
MD5 hash:
67bfa78e3c5617ead7bfb27840bcf120
SHA1 hash:
91e3a6a92644ca276602d952abbcafda5d0eefc0
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/18d62ae4-aae7-4573-923a-77c8d7fe3fed/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/57e9cd4097b5/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/57e9cd4097b50b6c174ec06bd21cd8f9f0583f92dd8ec3da4e3c93a9c820bd2a

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

Formbook

Executable exe 57e9cd4097b50b6c174ec06bd21cd8f9f0583f92dd8ec3da4e3c93a9c820bd2a

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/477243/

Comments