MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82fbb7e482e85535e457170d595aebefaf8e588aa5e50793ab6314dc09ab6442. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 82fbb7e482e85535e457170d595aebefaf8e588aa5e50793ab6314dc09ab6442
SHA3-384 hash: 039a4a331063fcbaf1ce2a96df6c53614d93868d973c0e7231affcb4598365d516794f4caf6db3fa63de38e2547dd8b6
SHA1 hash: 74283ec3bc6ef43abf517eb57c87fecb3a967908
MD5 hash: 55f6c8e07675dcaa00e5c15f6c94b5af
humanhash: cardinal-pennsylvania-coffee-mars
File name:SecuriteInfo.com.Variant.Barys.305319.29693.22582
Download: download sample
Signature Formbook
Create hunting rule
File size:1'947'136 bytes
First seen:2022-06-07 09:54:41 UTC
Last seen:2022-06-08 22:19:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:bl3tNLZlDf+6mOaPZSLB+I+PVCYHA+UH5fq+z5fq+sOT75fq+W5fq+tJX5fq+z0f:J3TLCb5PVY3ZrOEIZJVXG
TLSH T13F959D1173A0E30BD27AB3365834FB74126A3EE6BA12E799553476C738723408E75BD2
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 851a98b4909864c4 (58 x AgentTesla, 43 x Formbook, 34 x RedLineStealer)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
267
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Variant.Barys.305319.29693.22582
Verdict:
Suspicious activity
Analysis date:
2022-06-07 10:27:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e9195894-9599-49e0-a4b6-82d2836bbad1

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/277298/
Detection(s):
SecuriteInfo.com.Variant.Barys.305319.29693.22582.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Adding an access-denied ACE
Launching a process
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys obfuscated packed wacatac
Link:
https://www.filescan.io/uploads/629f207ac221aaaa25bf6795/reports/8022a2d8-26e0-4de0-b8e3-0df9e386f391/overview
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:
Malicious
Link:
https://analyze.intezer.com/analyses/b23eb82b-cbe5-4edd-b28c-ba27f02328c5
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1008023
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
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
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
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 AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 640523 Sample: SecuriteInfo.com.Variant.Ba... Startdate: 07/06/2022 Architecture: WINDOWS Score: 100 38 www.yuiksd.zone 2->38 40 gtm-sg-4hr2prjpk09.gtm-i1d1.com 2->40 42 2 other IPs or domains 2->42 50 Snort IDS alert for network traffic 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for URL or domain 2->54 56 9 other signatures 2->56 11 SecuriteInfo.com.Variant.Barys.305319.29693.exe 1 2->11         started        signatures3 process4 file5 36 SecuriteInfo.com.V...05319.29693.exe.log, ASCII 11->36 dropped 68 Writes to foreign memory regions 11->68 70 Allocates memory in foreign processes 11->70 72 Injects a PE file into a foreign processes 11->72 15 wscript.exe 11->15         started        18 conhost.exe 11->18         started        20 mstsc.exe 11->20         started        signatures6 process7 signatures8 76 Modifies the context of a thread in another process (thread injection) 15->76 78 Maps a DLL or memory area into another process 15->78 80 Sample uses process hollowing technique 15->80 82 2 other signatures 15->82 22 explorer.exe 15->22 injected process9 dnsIp10 44 www.orgonejewelsuk.com 154.195.95.155, 49858, 49859, 49860 PEGTECHINCUS Seychelles 22->44 46 www.itineraries8.com 199.192.20.96, 49854, 80 NAMECHEAP-NETUS United States 22->46 48 4 other IPs or domains 22->48 58 System process connects to network (likely due to code injection or exploit) 22->58 26 cmd.exe 1 12 22->26         started        signatures11 process12 signatures13 60 Tries to steal Mail credentials (via file / registry access) 26->60 62 Tries to harvest and steal browser information (history, passwords, etc) 26->62 64 Modifies the context of a thread in another process (thread injection) 26->64 66 2 other signatures 26->66 29 cmd.exe 2 26->29         started        32 cmd.exe 1 26->32         started        process14 signatures15 74 Tries to harvest and steal browser information (history, passwords, etc) 29->74 34 conhost.exe 29->34         started        process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/82fbb7e482e85535e457170d595aebefaf8e588aa5e50793ab6314dc09ab6442/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-06-07 07:45:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
44
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ql53pzec5bktlzcxc4gvswxl56xy4wekuxsqpe5lmmknycnlmrba._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:edru loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220607-lxr96ahcer/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Executes dropped EXE
Xloader Payload
Formbook
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
274be8a6393da49df0a2993af2d12394349e3932dd8b065d20ba6d6fb051d4f6
MD5 hash:
11d1d5b72bf369cf5dd9e54faac813e6
SHA1 hash:
f6805872c5801fb2b2a7bb455550384e0c48e08c
Link:
https://www.unpac.me/results/12dca598-cf91-40b1-87dd-249b832db6ae/
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
Link:
https://www.unpac.me/results/12dca598-cf91-40b1-87dd-249b832db6ae/
SH256 hash:
82fbb7e482e85535e457170d595aebefaf8e588aa5e50793ab6314dc09ab6442
MD5 hash:
55f6c8e07675dcaa00e5c15f6c94b5af
SHA1 hash:
74283ec3bc6ef43abf517eb57c87fecb3a967908
Link:
https://www.unpac.me/results/12dca598-cf91-40b1-87dd-249b832db6ae/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/82fbb7e482e8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/82fbb7e482e85535e457170d595aebefaf8e588aa5e50793ab6314dc09ab6442

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.

Cape
Cape
https://www.capesandbox.com/analysis/277298/

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