MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a5f6d761050ca929b99fc66e7c4b57f321421a7372dc752d8000e79bb920ca0. 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: 13


Intelligence 13 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1a5f6d761050ca929b99fc66e7c4b57f321421a7372dc752d8000e79bb920ca0
SHA3-384 hash: 5acc9c855fbccf3fdbaeba731e04e9fbbe1ec1b1fdb456c9c61a1b8a869724f6c5451c884ea582f67852839b054b3965
SHA1 hash: 0d9144b1f7cf02b9c1467cb6e7eeb628ff7e0b8f
MD5 hash: 0d059cf7e21ac83ee29e14e0692b8d83
humanhash: fish-kilo-dakota-colorado
File name:0d059cf7e21ac83ee29e14e0692b8d83.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:255'651 bytes
First seen:2023-03-22 19:05:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:/Ya6L1083JQ50b40LMYzFykJFq5jfhqwQ9A:/YJO83RXlzre58U
Threatray 2'395 similar samples on MalwareBazaar
TLSH T1744412852B38C497F522373E9EB9472BEBE5AE300850275F0790635D3CB2651C57E7A2
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 :
1
# of downloads :
231
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
0d059cf7e21ac83ee29e14e0692b8d83.exe
Verdict:
Malicious activity
Analysis date:
2023-03-22 19:16:46 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/e6e342b3-7b56-4e8b-bb6a-2e01906abe10

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/376622/
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
Searching for the window
Searching for synchronization primitives
Launching a process
DNS request
Sending an HTTP GET request
Reading critical registry keys
Launching the default Windows debugger (dwwin.exe)
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/641b51a128f6cfd59136efb8/reports/eafb616b-dbe3-4176-92d7-6fa03140b552/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1a5f6d761050ca929b99fc66e7c4b57f321421a7372dc752d8000e79bb920ca0
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/7eb66d37-3fe8-42c4-a65a-745d618fa2c2
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1199882
Signature
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 dropped file
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 dropped file
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 832793 Sample: TWsTg91C1j.exe Startdate: 22/03/2023 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 3 other signatures 2->41 9 TWsTg91C1j.exe 19 2->9         started        process3 file4 27 C:\Users\user\AppData\Local\Temp\fgypkf.exe, PE32 9->27 dropped 12 fgypkf.exe 1 9->12         started        process5 signatures6 55 Multi AV Scanner detection for dropped file 12->55 57 Detected unpacking (changes PE section rights) 12->57 59 Machine Learning detection for dropped file 12->59 61 2 other signatures 12->61 15 fgypkf.exe 12->15         started        18 conhost.exe 12->18         started        process7 signatures8 63 Modifies the context of a thread in another process (thread injection) 15->63 65 Maps a DLL or memory area into another process 15->65 67 Sample uses process hollowing technique 15->67 69 Queues an APC in another process (thread injection) 15->69 20 explorer.exe 2 6 15->20 injected process9 dnsIp10 29 www.222ambking.org 91.195.240.94, 49712, 49713, 49714 SEDO-ASDE Germany 20->29 31 www.younrock.com 63.141.242.44, 49718, 49719, 49720 NOCIXUS United States 20->31 33 10 other IPs or domains 20->33 43 System process connects to network (likely due to code injection or exploit) 20->43 45 Performs DNS queries to domains with low reputation 20->45 24 colorcpl.exe 13 20->24         started        signatures11 process12 signatures13 47 Tries to steal Mail credentials (via file / registry access) 24->47 49 Tries to harvest and steal browser information (history, passwords, etc) 24->49 51 Modifies the context of a thread in another process (thread injection) 24->51 53 Maps a DLL or memory area into another process 24->53
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1a5f6d761050ca929b99fc66e7c4b57f321421a7372dc752d8000e79bb920ca0/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-03-21 13:17:38 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=djpw25qqkdfjfg4z7rtoprfvp4zbiinhg4w4ouwyaahhto4sbsqa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1a82b5f2c6d3897569544939dfae30457d05924c8811f009d0cd1540319ea90c
Formbook
4fec09c02c8f80d1d158bfd9bc6e4adc5aa9891726901db4572843c405e2519d
Formbook
6769905302dd965b16c74da2c0a5633dd4cbfe5c8879a5db6a7322d53d668533
Formbook
8aa4a5feee91f2caa993c9624153ee2ecbe97098fc7470a5103c408376b2a12a
Formbook
929bb5ebaacd2750b9f7cbabb07e7fdf678d2958b8552af4e7fb705bbb92c21e
Formbook
94dab2dcd48fb66d3a0836a2711083a5ee738603de0b47fecfed4e23711def16
Formbook
aeb52b6f9b9f7b458048aa0eba6255840d1a90f4309f18c95acc0f3f4b972df3
Formbook
bf71631457bec8633d10c816bfa914ef51bee4acda9a37c2613697976a21decb
Formbook
cc2ffcb49e5ff1b4f1be2c0c8f5bef3cf51caeef5fcd8be8a6367174b7dd8063
Formbook
ebce15ad53b98d7aba7f7544ee947e88f58d696e22ca4bc5d15b2ded37b577ac
Formbook
+ 2'385 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230322-xsnxqacf91/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
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
Unpacked files
SH256 hash:
78a2b4466fbc186b8de6423771ab90dffa1566a2135ca9741d94526387570f15
MD5 hash:
26e7995333278eda4c3a54e570d09ba4
SHA1 hash:
5967ffee8562982633e3d4a9f8696853b298a1d0
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/569d7867-fd3c-489c-82a7-2c211a5780ba/
Parent samples :
e62c1e809c48e66104c34ae3e977b82fbea2e984dee708bda431b608c2774c28
052b6162527da70a384bfa5712e60c065c4d449cc70b6619ec2a50c0a92e2493
1a5f6d761050ca929b99fc66e7c4b57f321421a7372dc752d8000e79bb920ca0
dc2f8a85b52e8562ada16c2ee6cda9770a3c010f894901844d0104476bae67b3
987f477e626f57c4ba440be3016995b5b9d7365a422c0a1d9be524e4993def8a
2333130311b7b060f360196c5629af0ca1919366d2de939c067e0396602d0acb
961fefeda3155a237a5cb947701f9b2baaab58b4ed675098c7809984950803c7
0b4d4ab86573d05f38f7d2fe83635c75da4462eacadd1859f00bdbdc3809f6fe
49c63fe83f7e41b112637d582cd180214acf60babf4cdd13a2629f9de3874fec
3ab1320757d68dbf0e5eb5d31cf81247952c244bbfbda9466cd83d112efc2c72
d546617fa87ea382d7d36b61fa9a69e447bcc69f9bb366f52f3c1df3ebf9254f
039e36a97d5fbc019edd6f7a69d2f89bc8ba24c73c08268831274fe58fa7dbfa
426c06ac810480970dbbd6cbfa2a6e9880ff50b35fd4576986400acce4af949f
00d3d0c49343dba533737e4a17cf453697aa569b00d07deb2cd7688c66d88ada
fe769c40bdc4ba83422c97df176374bb3846f4cc941ecbbfb47383321dfabdca
7517367b3b61170bb7637de6f89077069159c4a04f430c28102e2d7cf5a0343a
89fd567270112eb3494cd4253f2babe024465e60fb28c64800901ccdb3d7fdd2
2f06963075874a8b1b409c7d9fb443c4fffe7d8936936d49f00c0c5d1b71590c
SH256 hash:
4926087e337f54c2183a773daadb7e43ac2ead006e6e27d8b5adf699bb54559d
MD5 hash:
699385d40f42824382fbfdb9b0deaf30
SHA1 hash:
86800279e7554e353dbf03b7bf3ff746a30fab4b
Link:
https://www.unpac.me/results/569d7867-fd3c-489c-82a7-2c211a5780ba/
SH256 hash:
1a5f6d761050ca929b99fc66e7c4b57f321421a7372dc752d8000e79bb920ca0
MD5 hash:
0d059cf7e21ac83ee29e14e0692b8d83
SHA1 hash:
0d9144b1f7cf02b9c1467cb6e7eeb628ff7e0b8f
Link:
https://www.unpac.me/results/569d7867-fd3c-489c-82a7-2c211a5780ba/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1a5f6d761050/report/overview.html
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:azov_Dropped
Create hunting rule
Author:Potatech
Description:Azov Detection
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 1a5f6d761050ca929b99fc66e7c4b57f321421a7372dc752d8000e79bb920ca0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2578402/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/376622/

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