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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a36acdce982d033fd18c4529ebf14bcbc2748b651151eb4be00120f61741ad2. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1a36acdce982d033fd18c4529ebf14bcbc2748b651151eb4be00120f61741ad2
SHA3-384 hash: 4aca6025200b8950467780b408bf35dc8ae05819e97ae4e018bbc70b422ab738bdb39893210e0997cf10de57d0510683
SHA1 hash: bec0bd885514dc6685316d5b354c57e0136e5c47
MD5 hash: 259b000daf49babc3ab24458d5318f01
humanhash: steak-wyoming-minnesota-low
File name:SecuriteInfo.com.Variant.Lazy.175133.22115.12183
Download: download sample
Signature Formbook
Create hunting rule
File size:743'936 bytes
First seen:2022-06-06 05:34:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'242 x AgentTesla, 20'499 x Formbook, 12'374 x SnakeKeylogger)
ssdeep 12288:TEc0U/sV3Vb65Zt6vz3YUY3d+Y6NEG97ilwyJimkXzffffR/BYy1Oy2QpXpb0L42:A/U/4e5jMYe21EmktRY
TLSH T1DAF4D057AA884655DA1BBF310C71B85252377D07F86EFA0DEC4A76C45E333C0642E2AE
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 27212c2424aca567 (1 x Formbook)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
312
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Variant.Lazy.175133.22115.12183
Verdict:
Suspicious activity
Analysis date:
2022-06-06 05:35:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3aeb97e3-c6bc-4408-84c2-5e38132a216e

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/276873/
Detection(s):
SecuriteInfo.com.Variant.Lazy.175133.22115.12183.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Adding an access-denied ACE
Sending a custom TCP request
Launching a process
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Reading critical registry keys
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:
formbook obfuscated packed wacatac
Link:
https://www.filescan.io/uploads/629d92185dc88d357163783d/reports/e310dc30-423b-4978-b241-6838daa5be28/overview
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/57cc7989-908e-4dca-b47e-5a2d23e4ad79
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1007143
Signature
.NET source code contains potential unpacker
.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
Found malware configuration
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
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: 639634 Sample: SecuriteInfo.com.Variant.La... Startdate: 06/06/2022 Architecture: WINDOWS Score: 100 34 www.sigmaprojectx.com 2->34 36 www.darrickstewart.com 2->36 38 2 other IPs or domains 2->38 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 9 other signatures 2->48 11 SecuriteInfo.com.Variant.Lazy.175133.22115.exe 1 2->11         started        signatures3 process4 file5 32 SecuriteInfo.com.V...75133.22115.exe.log, ASCII 11->32 dropped 56 Writes to foreign memory regions 11->56 58 Allocates memory in foreign processes 11->58 60 Injects a PE file into a foreign processes 11->60 15 diskraid.exe 11->15         started        signatures6 process7 signatures8 62 Modifies the context of a thread in another process (thread injection) 15->62 64 Maps a DLL or memory area into another process 15->64 66 Sample uses process hollowing technique 15->66 68 2 other signatures 15->68 18 explorer.exe 15->18 injected process9 signatures10 40 Uses netstat to query active network connections and open ports 18->40 21 NETSTAT.EXE 18->21         started        24 autofmt.exe 18->24         started        process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 54 Tries to detect virtualization through RDTSC time measurements 21->54 26 cmd.exe 1 21->26         started        28 explorer.exe 2 153 21->28         started        process13 process14 30 conhost.exe 26->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1a36acdce982d033fd18c4529ebf14bcbc2748b651151eb4be00120f61741ad2/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2022-06-06 01:21:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=di3kzxhjqlidh7iyyrjj5pyuxs6cosfwkekr5nf6aaja6yludlja._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:qnse loader persistence rat spyware stealer suricata
Link:
https://tria.ge/reports/220606-f9z8msebh6/
Behaviour
Gathers network information
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
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE FormBook CnC Checkin (POST) M2
Unpacked files
SH256 hash:
224d5a609e030a9ec56473a6085fa91f7c8bf8bb785bb0bfdee9b48175d244e0
MD5 hash:
3f1dce80d3a2e6310fb2be0ae801f1c2
SHA1 hash:
632d6d9906e9a4436f6db0e46863742fdf612848
Link:
https://www.unpac.me/results/92decac9-b72b-4d32-8127-caf88196d1ac/
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
Link:
https://www.unpac.me/results/92decac9-b72b-4d32-8127-caf88196d1ac/
SH256 hash:
1a36acdce982d033fd18c4529ebf14bcbc2748b651151eb4be00120f61741ad2
MD5 hash:
259b000daf49babc3ab24458d5318f01
SHA1 hash:
bec0bd885514dc6685316d5b354c57e0136e5c47
Link:
https://www.unpac.me/results/92decac9-b72b-4d32-8127-caf88196d1ac/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1a36acdce982/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/1a36acdce982d033fd18c4529ebf14bcbc2748b651151eb4be00120f61741ad2

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/276873/

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