MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d7345ce73fc7ba2e1b2e8176b0fc98295b2613e839506c5ff50992df5d88f38a. 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 1
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SHA256 hash: d7345ce73fc7ba2e1b2e8176b0fc98295b2613e839506c5ff50992df5d88f38a
SHA3-384 hash: 722b1661b964274b3a2abac7f573093d3d3233234ce5dd73188710a6983e4bb312c3b3eeb2b4e5dfb1ace64e01b737f9
SHA1 hash: d35cc37154e93e6196a8e07fa16a4f83c4cb5230
MD5 hash: 3e06d825a0060b7648a6f3869ae98ded
humanhash: don-enemy-tennis-butter
File name:3e06d825a0060b7648a6f3869ae98ded
Download: download sample
Signature Formbook
Create hunting rule
File size:642'048 bytes
First seen:2022-04-04 16:20:30 UTC
Last seen:2022-04-04 17:07:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:THH8Ub56F1HURPr45tNIVgbokwQgGZSmXh50IOSwMD8VS:5k5o27
TLSH T164D4AA2A38BA100DB272AD6C6BBCB175911EF3F226365C7B0DF7054A11129F0DB9D627
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
Ordine fornitore_83613.xlsx
Verdict:
Malicious activity
Analysis date:
2022-04-04 15:12:07 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader formbook
Link:
https://app.any.run/tasks/39461b68-8bd6-42eb-9c13-1d73f9a3ab94

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/260670/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1268.4696.10118.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Sending a custom TCP request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
aspnet_compiler.exe control.exe obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/624b1b09aa7e43c6a6b7636f/reports/fe98e4b5-dcbd-4de1-8a73-a0e9477ac2c6/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/38241d23-184f-4935-bd83-51658e9e94ed
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/970310
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
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)
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
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 602798 Sample: wH9fIfso4L Startdate: 04/04/2022 Architecture: WINDOWS Score: 100 31 www.yeniicozum.com 2->31 33 www.kai6agfw.com 2->33 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 8 other signatures 2->47 11 wH9fIfso4L.exe 1 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\...\wH9fIfso4L.exe.log, ASCII 11->29 dropped 57 Writes to foreign memory regions 11->57 59 Allocates memory in foreign processes 11->59 61 Injects a PE file into a foreign processes 11->61 15 aspnet_compiler.exe 11->15         started        signatures6 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 2 other signatures 15->69 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.marcopolotogo.com 74.208.236.196, 49793, 80 ONEANDONE-ASBrauerstrasse48DE United States 18->35 37 www.avida2015.com 209.99.40.222, 49784, 80 CONFLUENCE-NETWORK-INCVG United States 18->37 39 10 other IPs or domains 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 cmmon32.exe 18->22         started        signatures11 process12 signatures13 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d7345ce73fc7ba2e1b2e8176b0fc98295b2613e839506c5ff50992df5d88f38a/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2022-04-04 13:49:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=242fzzz7y65c4gzoqf3lb7eyffnsme7ihfigyx7vbgjn6xmi6ofa._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:foi3 loader rat
Link:
https://tria.ge/reports/220404-ttmjhahbc7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
bb252dda8ab6039406dc8226b436b41032be6a7e88094a57c2e9d2feea489a4d
MD5 hash:
20bb1331dc94e61a1f457e95b2666bc2
SHA1 hash:
6a6bb761a09a694d988098eef2496b4b17edaa9d
Link:
https://www.unpac.me/results/9a1bcdff-a0f4-43d9-9df1-855f8aadbde5/
SH256 hash:
7f4524dffa969b1a0a38ae475e39e57f32e12379edbb69131f67d74fe9fa4cb7
MD5 hash:
add956d051187b05f50434cb90567daa
SHA1 hash:
49a592e54833818c611aaf2b4ec14a9365564436
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/9a1bcdff-a0f4-43d9-9df1-855f8aadbde5/
Parent samples :
b0064356457fa098732029fea97f948ca65f40e0848bd55cdd9e26c462b0ee4d
3b3339c5adf6214450652108e3cf3122917319dac8516748884b7f27f42a99ac
0bd840a10d4463fe31116ce57b0b674a6d10176d910cf7bcd9ba360cfcb9f3a6
d7345ce73fc7ba2e1b2e8176b0fc98295b2613e839506c5ff50992df5d88f38a
9c5ca29eac3a8ed43997df919e47b72be824cb84564310870b30eb74096a5a57
a85ebc25048221b48dfc17183bf6a17b9c8cdadd06743a08af430bd822a0e02d
SH256 hash:
d7345ce73fc7ba2e1b2e8176b0fc98295b2613e839506c5ff50992df5d88f38a
MD5 hash:
3e06d825a0060b7648a6f3869ae98ded
SHA1 hash:
d35cc37154e93e6196a8e07fa16a4f83c4cb5230
Link:
https://www.unpac.me/results/9a1bcdff-a0f4-43d9-9df1-855f8aadbde5/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/d7345ce73fc7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/d7345ce73fc7ba2e1b2e8176b0fc98295b2613e839506c5ff50992df5d88f38a

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

Web download

Formbook

Executable exe d7345ce73fc7ba2e1b2e8176b0fc98295b2613e839506c5ff50992df5d88f38a

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2130940/
Cape
Cape
https://www.capesandbox.com/analysis/260670/

Comments


Avatar
zbet commented on 2022-04-04 16:20:31 UTC

url : hxxp://103.138.109.174/__spacekeep/vbc.exe