MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04bc25b64fef7a482500b3ca966e2d08ee2ba45b4493db70cb24e66eea965f43. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 04bc25b64fef7a482500b3ca966e2d08ee2ba45b4493db70cb24e66eea965f43
SHA3-384 hash: e3b24186930d2729a3297a16c609a6ac887cb0a82a8e0cb58e5f43a6d1de34adca1d84b922e51edf542b2c960435b3c2
SHA1 hash: 656ea5d51323b7929bc57c5f8b3723b5e026d657
MD5 hash: a98f0fd7f830e6c6514d4b8cc9934743
humanhash: river-maine-fish-april
File name:a98f0fd7f830e6c6514d4b8cc9934743.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:265'973 bytes
First seen:2023-03-29 18:56:04 UTC
Last seen:2023-03-29 20:37:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:vYa6hrIai2SNrr+/zyabPz4WxLxqJjg/SaSzt7T/U:vYzrZiTrr+eab9xLOVaE/U
TLSH T10F4412283F94DE67E0630732267117331AF5E84960AD469B6360A7CE7F29F83950DB63
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
239
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
P.No. Po1344 Jai Ma Jalpa.xls
Verdict:
Malicious activity
Analysis date:
2023-03-29 07:52:37 UTC
Tags:
opendir exploit cve-2017-11882 loader formbook trojan stealer
Link:
https://app.any.run/tasks/e5641f6c-e4a1-4a01-a51e-e243b905aa44

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/378551/
Detection(s):
Sanesecurity.Malware.28947.BadP.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Sending a custom TCP request
Launching a process
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/75633/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
86%
Tags:
comodo nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/64248a0083048b7317acdde9/reports/8b7b51b8-ddd2-4538-9eca-ff99312ddc8b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/04bc25b64fef7a482500b3ca966e2d08ee2ba45b4493db70cb24e66eea965f43
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/71946638-152d-476a-a16e-ba530ccd4ff8
Result
Threat name:
FormBook, Play
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1204696
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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
Performs DNS queries to domains with low reputation
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)
Yara detected FormBook
Yara detected Play Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 837612 Sample: OJqVcFLX1q.exe Startdate: 29/03/2023 Architecture: WINDOWS Score: 100 33 Snort IDS alert for network traffic 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 4 other signatures 2->39 9 OJqVcFLX1q.exe 19 2->9         started        process3 file4 25 C:\Users\user\AppData\Local\...\yakjdcca.exe, PE32 9->25 dropped 12 yakjdcca.exe 9->12         started        process5 signatures6 53 Antivirus detection for dropped file 12->53 55 Detected unpacking (changes PE section rights) 12->55 57 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 12->57 59 Maps a DLL or memory area into another process 12->59 15 yakjdcca.exe 12->15         started        process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 18 explorer.exe 4 6 15->18 injected process9 dnsIp10 27 un-object.com 192.185.17.12, 49736, 49737, 49738 UNIFIEDLAYER-AS-1US United States 18->27 29 www.222ambking.org 91.195.240.94, 49718, 49719, 49720 SEDO-ASDE Germany 18->29 31 20 other IPs or domains 18->31 41 System process connects to network (likely due to code injection or exploit) 18->41 43 Performs DNS queries to domains with low reputation 18->43 22 rundll32.exe 13 18->22         started        signatures11 process12 signatures13 45 Tries to steal Mail credentials (via file / registry access) 22->45 47 Tries to harvest and steal browser information (history, passwords, etc) 22->47 49 Modifies the context of a thread in another process (thread injection) 22->49 51 Maps a DLL or memory area into another process 22->51
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/04bc25b64fef7a482500b3ca966e2d08ee2ba45b4493db70cb24e66eea965f43/
Threat name:
Win32.Trojan.Casdet
Create hunting rule
Status:
Malicious
First seen:
2023-03-29 12:05:57 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=as6clnsp555eqjiawpfjm3rnbdxcxjc3isj5w4glettg52uwl5bq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
Link:
https://tria.ge/reports/230329-xld4yahe54/
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
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
e36372186eecde198f00b7f8c03de639d3c140c72fb92125aac96a916c6d80fb
MD5 hash:
dda34f0fa94e644b7a5d668cc280e7a3
SHA1 hash:
6ea3c9d56032544c49bbe677abadc2d7bea801b1
Link:
https://www.unpac.me/results/30c40384-5cd2-4f65-bdfe-69987f37b9d4/
SH256 hash:
22842ae83059e74ccfbb81a321dc41f5bdb0ae98999202aa32d7129a5b5cb36b
MD5 hash:
1cc3128c295f0311c404989b1176567c
SHA1 hash:
02f9f4c4ca698ee6c969b736dabef5a33d42c01c
Link:
https://www.unpac.me/results/30c40384-5cd2-4f65-bdfe-69987f37b9d4/
SH256 hash:
04bc25b64fef7a482500b3ca966e2d08ee2ba45b4493db70cb24e66eea965f43
MD5 hash:
a98f0fd7f830e6c6514d4b8cc9934743
SHA1 hash:
656ea5d51323b7929bc57c5f8b3723b5e026d657
Link:
https://www.unpac.me/results/30c40384-5cd2-4f65-bdfe-69987f37b9d4/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/04bc25b64fef/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/04bc25b64fef7a482500b3ca966e2d08ee2ba45b4493db70cb24e66eea965f43

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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Create hunting rule
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Create hunting rule
Author:Elastic Security
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.
Rule name:win_formbook_w0
Create hunting rule
Author:@malgamy12

File information

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

Web download

Formbook

Executable exe 04bc25b64fef7a482500b3ca966e2d08ee2ba45b4493db70cb24e66eea965f43

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2590352/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/378551/

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