MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b5f369c7130b28ca132dee4fdbf98f31adb433b203088c29c198244da57ce76. 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: 1b5f369c7130b28ca132dee4fdbf98f31adb433b203088c29c198244da57ce76
SHA3-384 hash: 8a3d6c7e31fe628e38a7cc1034d96683b00cf4f062ce9355aabd0ddc6b6b98d7d0041569d43482a35334a5c668330d7f
SHA1 hash: a2fde78603ad86a828b9a4680ff26c313d8bcd7a
MD5 hash: 70c205ed1ec81ac0a9aa8f33fda26a22
humanhash: monkey-magnesium-twenty-lamp
File name:Copia_de_pago_sin_783947.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'260'032 bytes
First seen:2023-03-03 17:04:59 UTC
Last seen:2023-03-03 18:33:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 12288:1jMOEAlI3MzSSV93D4CsuwlmMiy7h5cilEv7NvbXK89eiDlb89zbydfCwKGcH0kb:1IYdSS/Q3g3yEiCv7NvH4O58cdaecU2
Threatray 2'120 similar samples on MalwareBazaar
TLSH T1F345A82809FC0EF28571F1FD9FE4E753BD84C8E6AA049D9982834B89555391720AFD3E
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 00160e0e16969608 (1 x Formbook)
Reporter FXOLabs
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Copia_de_pago_sin_783947.exe
Verdict:
Suspicious activity
Analysis date:
2023-03-03 17:05:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7dc77b1e-4e6e-4e88-aecd-d431b4154361

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/371496/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching a process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/640228c1bfec0852a68ecf37/reports/53b0323d-0739-423e-8927-7c17c61a2005/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1b5f369c7130b28ca132dee4fdbf98f31adb433b203088c29c198244da57ce76
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/595352d6-fb6a-4795-9b0b-3430902cbd5d
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1186735
Signature
Antivirus detection for URL or domain
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 819613 Sample: Copia_de_pago_sin_783947.exe Startdate: 03/03/2023 Architecture: WINDOWS Score: 100 29 Multi AV Scanner detection for domain / URL 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 Antivirus detection for URL or domain 2->33 35 3 other signatures 2->35 8 Copia_de_pago_sin_783947.exe 3 2->8         started        process3 file4 21 C:\Users\...\Copia_de_pago_sin_783947.exe.log, ASCII 8->21 dropped 11 Copia_de_pago_sin_783947.exe 8->11         started        process5 signatures6 45 Modifies the context of a thread in another process (thread injection) 11->45 47 Maps a DLL or memory area into another process 11->47 49 Sample uses process hollowing technique 11->49 51 Queues an APC in another process (thread injection) 11->51 14 explorer.exe 3 6 11->14 injected process7 dnsIp8 23 helenrodrigues.fun 162.241.63.57, 49820, 49821, 49822 UNIFIEDLAYER-AS-1US United States 14->23 25 adasoft.info 81.88.48.71, 49743, 80 REGISTER-ASIT Italy 14->25 27 10 other IPs or domains 14->27 53 System process connects to network (likely due to code injection or exploit) 14->53 18 control.exe 13 14->18         started        signatures9 process10 signatures11 37 Tries to steal Mail credentials (via file / registry access) 18->37 39 Tries to harvest and steal browser information (history, passwords, etc) 18->39 41 Modifies the context of a thread in another process (thread injection) 18->41 43 Maps a DLL or memory area into another process 18->43
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1b5f369c7130b28ca132dee4fdbf98f31adb433b203088c29c198244da57ce76/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-03-03 17:09:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
13 of 25 (52.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dnptnhdrgczizijs33sp3p4y6mnnwqz3eayirqu4dgbejwsxzz3a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
375023474e1cf7831eae2918f7dd925a8fbc310986a063a00d91a31a07f15f7c
Formbook
5bdac8b30125850db84f9c3dceee1dfbbbc67e1ca5501cf678e14b835f38000c
Formbook
7fd5172067f790c21d11dc37987f04bbe9e4c04038074b788ac79bcc83c06f1a
Formbook
83755ee70bf18413768f54bcc785aee64f8d6c3e4be77df8b1996d9e2247cf26
Formbook
ae1f2c8fd75695601dbe0f3b3fd00922495add9f623a81c0989c0fd17f10776b
Formbook
d1613f6ca68cdd7b490e9c42b1abc4b5c71aadf146977bdfc3f4d33d2d33159d
Formbook
+ 2'110 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230303-vlt42sae87/
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
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
4b6b1805989fa9dda6281583a84436cd46b57c67add230e9f34b37cab195d634
MD5 hash:
9874ed5078861b83b2243a989e7b3c2c
SHA1 hash:
738d25fce0fc20cec23ad3c5b9af51497b25c2db
Detections:
win_formbook_w0
Create hunting rule
win_formbook_auto
Create hunting rule
win_formbook_g0
Create hunting rule
Link:
https://www.unpac.me/results/c38df6c6-d3c8-4d31-9075-245f6acc3ccf/
Parent samples :
83755ee70bf18413768f54bcc785aee64f8d6c3e4be77df8b1996d9e2247cf26
1b5f369c7130b28ca132dee4fdbf98f31adb433b203088c29c198244da57ce76
SH256 hash:
4070bd2c3db5bacfad211184054026aa669ea826530e14dc9d7be8d3047c90b7
MD5 hash:
91a98189c432773ce9bb46cd706d0868
SHA1 hash:
b25b32a4229110372fb2ad8c09f339c4c8fb0366
Link:
https://www.unpac.me/results/c38df6c6-d3c8-4d31-9075-245f6acc3ccf/
SH256 hash:
e412763e0b1a578a340a3d3f0ffda208b26009b2f76a91001856039ddad74ad3
MD5 hash:
0201e501f8bf435800550612f573d1ce
SHA1 hash:
e8be8962f62f49baf319addf1a1081db4c7858a6
Link:
https://www.unpac.me/results/c38df6c6-d3c8-4d31-9075-245f6acc3ccf/
SH256 hash:
1bab001c090f2f208e39247f8eeaeb77a0740bc9be7fa755cd57a863b3d22dd3
MD5 hash:
90b3109cf9cc5342015fc1583a78b282
SHA1 hash:
bdddff1c96296a0dc9f8d808e3b2d5829a15d2d2
Link:
https://www.unpac.me/results/c38df6c6-d3c8-4d31-9075-245f6acc3ccf/
SH256 hash:
417fc81f7bf3d7baf6973de7614717e1cb061b2716791b0c232dc9a9842ed70d
MD5 hash:
f578842151a8244d3acd3e88aa356738
SHA1 hash:
577945010d66fbe90a2cb51844805b493c0e4550
Link:
https://www.unpac.me/results/c38df6c6-d3c8-4d31-9075-245f6acc3ccf/
SH256 hash:
e386840537170219177c2bb3404f4c7bd9da1a2d53cdf2ae1e857c3b19628a29
MD5 hash:
d170ab8c03b9c37d5be449454db131d2
SHA1 hash:
2031b6754a65d21b47dd11a34fee86f048d6048d
Link:
https://www.unpac.me/results/c38df6c6-d3c8-4d31-9075-245f6acc3ccf/
SH256 hash:
1b5f369c7130b28ca132dee4fdbf98f31adb433b203088c29c198244da57ce76
MD5 hash:
70c205ed1ec81ac0a9aa8f33fda26a22
SHA1 hash:
a2fde78603ad86a828b9a4680ff26c313d8bcd7a
Link:
https://www.unpac.me/results/c38df6c6-d3c8-4d31-9075-245f6acc3ccf/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1b5f369c7130/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
Link:
https://yomi.yoroi.company/submissions/1b5f369c7130b28ca132dee4fdbf98f31adb433b203088c29c198244da57ce76

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.

Malspam

Formbook

Executable exe 1b5f369c7130b28ca132dee4fdbf98f31adb433b203088c29c198244da57ce76

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/371496/

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