MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83755ee70bf18413768f54bcc785aee64f8d6c3e4be77df8b1996d9e2247cf26. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 83755ee70bf18413768f54bcc785aee64f8d6c3e4be77df8b1996d9e2247cf26
SHA3-384 hash: c20a8ef49e7cbbf5a4e4204ab129d7991646d5fbd4f2e7dfbe93f057b3a29e54238d1f692d9e0bb264c9544ac3129d98
SHA1 hash: 795700bb43a184544031ce6f200726383c12b437
MD5 hash: cf40a8d55fd1415448573a130a897bee
humanhash: carpet-bulldog-river-grey
File name:SecuriteInfo.com.Win32.PWSX-gen.8070.29220
Download: download sample
Signature Formbook
Create hunting rule
File size:416'328 bytes
First seen:2023-02-22 10:50:58 UTC
Last seen:2023-02-22 14:38:23 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 6144:2JBtwCfMe0AiB1LNOPPz9keSHIqY17zJ+VkRXKBGKjmJ3pNy0O12udoEUAFn4:OUpazXAVKUGKIzwldE
Threatray 2'052 similar samples on MalwareBazaar
TLSH T13F94DF3E63069DA1CA6586F5D1A3841453B4FAAEF7A3DB0B36C9137688873674C4C34B
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon d2e8ecb2b2a2b282 (106 x AgentTesla, 106 x Formbook, 24 x RedLineStealer)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.8070.29220
Verdict:
Malicious activity
Analysis date:
2023-02-22 10:51:33 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/25c9b4ec-9b65-4918-bba8-d22eec41ee4e

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/368936/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Unknown
Threat level:
n/a  -.1/10
Confidence:
80%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/63f5f3965741abdfaa9da662/reports/5f962153-3489-429b-a4d0-2d695547f10f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/83755ee70bf18413768f54bcc785aee64f8d6c3e4be77df8b1996d9e2247cf26
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/d321eadc-a70c-4504-b90b-f21e6aff8c05
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1180866
Signature
Antivirus detection for URL or domain
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
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)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 813693 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 22/02/2023 Architecture: WINDOWS Score: 100 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus detection for URL or domain 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 2 other signatures 2->38 8 SecuriteInfo.com.Win32.PWSX-gen.8070.29220.exe 3 2->8         started        process3 file4 22 SecuriteInfo.com.W....8070.29220.exe.log, ASCII 8->22 dropped 48 Writes to foreign memory regions 8->48 50 Injects a PE file into a foreign processes 8->50 12 aspnet_compiler.exe 8->12         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 12->52 54 Maps a DLL or memory area into another process 12->54 56 Sample uses process hollowing technique 12->56 58 Queues an APC in another process (thread injection) 12->58 15 explorer.exe 1 1 12->15 injected process8 dnsIp9 24 helenrodrigues.fun 162.241.63.57, 49709, 49710, 80 UNIFIEDLAYER-AS-1US United States 15->24 26 adasoft.info 81.88.48.71, 49700, 80 REGISTER-ASIT Italy 15->26 28 10 other IPs or domains 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 19 svchost.exe 13 15->19         started        signatures10 process11 signatures12 40 Tries to steal Mail credentials (via file / registry access) 19->40 42 Tries to harvest and steal browser information (history, passwords, etc) 19->42 44 Modifies the context of a thread in another process (thread injection) 19->44 46 Maps a DLL or memory area into another process 19->46
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/83755ee70bf18413768f54bcc785aee64f8d6c3e4be77df8b1996d9e2247cf26/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2023-02-22 10:51:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
20 of 25 (80.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qn2v5zyl6gcbg5upks6mpbno4zhy23b6jptx36frtfwz4ishz4ta._file
Verdict:
malicious
Similar samples:
1546e632cb3cd6abb0497a1e941d7c1afefd3d1bc7582b63f49d948241406b80
Formbook
1d504613d93ba714b247d0b35b1182cebf4a7b3bd33261f0aed1b7fdcd2e3075
Formbook
71542a9dd0da516b5599228ace4fc9028ce2d389ec0fc1e68e9089ba174afe80
Formbook
9c267d6fa78174b3cba8ac8de558d83a97efb8494ba1c675f1493cb41133a897
Formbook
f10977aa7669d218b31988c0611eee29e2b4603976b8c346672b2cc78beab4d2
Formbook
fc98651f6e422a0a58955659b338a9f11186b7ec235eee1daf9462fd725faf20
Formbook
+ 2'042 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230222-mxtnnacf9t/
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
.NET Reactor proctector
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/e588d0ab-b653-4f44-b9d8-cc078857f770/
Parent samples :
83755ee70bf18413768f54bcc785aee64f8d6c3e4be77df8b1996d9e2247cf26
1b5f369c7130b28ca132dee4fdbf98f31adb433b203088c29c198244da57ce76
SH256 hash:
4070bd2c3db5bacfad211184054026aa669ea826530e14dc9d7be8d3047c90b7
MD5 hash:
91a98189c432773ce9bb46cd706d0868
SHA1 hash:
b25b32a4229110372fb2ad8c09f339c4c8fb0366
Link:
https://www.unpac.me/results/e588d0ab-b653-4f44-b9d8-cc078857f770/
SH256 hash:
fd56a07f2da75c84337cbf94e0acafc09fb909cfb187a0ae214827ce2c4708bb
MD5 hash:
d93c5f59ddc41313bf36f106a2f1fe17
SHA1 hash:
97c5cd9d0689c1cd74685bc979122a13eba3fcc9
Link:
https://www.unpac.me/results/e588d0ab-b653-4f44-b9d8-cc078857f770/
SH256 hash:
83755ee70bf18413768f54bcc785aee64f8d6c3e4be77df8b1996d9e2247cf26
MD5 hash:
cf40a8d55fd1415448573a130a897bee
SHA1 hash:
795700bb43a184544031ce6f200726383c12b437
Link:
https://www.unpac.me/results/e588d0ab-b653-4f44-b9d8-cc078857f770/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/83755ee70bf1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/83755ee70bf18413768f54bcc785aee64f8d6c3e4be77df8b1996d9e2247cf26

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_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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.

Cape
Cape
https://www.capesandbox.com/analysis/368936/

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