MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bec941f244d3f69b90f2b3166509ccffdfb11959003f53c1ef097beaf4a0969. 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: 1bec941f244d3f69b90f2b3166509ccffdfb11959003f53c1ef097beaf4a0969
SHA3-384 hash: a4a35b91ff9af37a39541c5b4e120a8677c2bf7337cbb4cfa67214d707439a997d392451dfd654537810603d38bb9557
SHA1 hash: f2f7fb4c3c0d130dfec7ede1efa1b5187b759ede
MD5 hash: bef72eb124931f8e96965b4e5062605c
humanhash: fifteen-sixteen-table-fanta
File name:SecuriteInfo.com.W32.AIDetectNet.01.29403.16321
Download: download sample
Signature Formbook
Create hunting rule
File size:310'808 bytes
First seen:2022-06-21 10:49:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:W4sV4cpYQ1qKih8cv915D7bC327jeYk+m8cI:hu1ppih/V/D7gyjeY7xB
Threatray 721 similar samples on MalwareBazaar
TLSH T1E764C09677E88F50C66C29B5D1EF483953E1AEC71B32E2C73F4476980E423639C85B89
TrID 52.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
22.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.5% (.EXE) Win64 Executable (generic) (10523/12/4)
4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/281941/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.29403.16321.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay packed
Link:
https://www.filescan.io/uploads/62b1a267bc1f1524603c634c/reports/ff232d5c-ff1a-44b4-ba03-ad982c09c628/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4873de5b-66e4-409f-a82d-3644fb05a6f1
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1017014
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
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: 649508 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 21/06/2022 Architecture: WINDOWS Score: 100 33 www.pertlines.com 2->33 41 Snort IDS alert for network traffic 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 6 other signatures 2->47 11 SecuriteInfo.com.W32.AIDetectNet.01.29403.exe 1 2->11         started        signatures3 process4 file5 31 SecuriteInfo.com.W...et.01.29403.exe.log, ASCII 11->31 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 63 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 11->63 15 cvtres.exe 11->15         started        18 cvtres.exe 11->18         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 20 explorer.exe 15->20 injected 73 Tries to detect virtualization through RDTSC time measurements 18->73 process9 dnsIp10 35 www.vybaveniprocyklostezky.com 81.91.86.14, 49783, 80 WEB4UCZ Czech Republic 20->35 37 www.micahlinacero.com 103.224.212.220, 49784, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 20->37 39 4 other IPs or domains 20->39 49 System process connects to network (likely due to code injection or exploit) 20->49 24 wlanext.exe 20->24         started        signatures11 process12 signatures13 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 55 Tries to detect virtualization through RDTSC time measurements 24->55 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1bec941f244d3f69b90f2b3166509ccffdfb11959003f53c1ef097beaf4a0969/
Threat name:
ByteCode-MSIL.Trojan.RealProtect
Create hunting rule
Status:
Malicious
First seen:
2022-06-21 08:15:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dpwjihzeju7wtoipfmywmue4z767wemvsab7kpa66cl35l2kbfuq._file
Verdict:
suspicious
Similar samples:
4328f39a7aa063cec4f191652436df9c9f88432b61c09333a57d0957371e53a4
Formbook
55342589e3d128aa53314e613bab6608de3c0f69ed1dae8b5acf5ba694c54c7c
Formbook
8f38a8b1fc30c406eeb6877e201fb46b465954da4c356dea81b29d804c96712e
Formbook
a345a58d67b17e5f35c9484ff4d6cd52061ddebb7fd8f4fd51c607698779018c
Formbook
bacbcfb421611b561d70543f99b77f0d4218689bd66c8160221feba6abc4b58f
Formbook
bd06bc6e04202a337a16121096b67af4e0f6b3f0a068883ebc647f19eeb6aeb7
Formbook
cff9a1b58d27045ffbe799d15b1735af2c99dbc233040ad8e1f6be71c821578b
Formbook
e32e69cd0729d5e2440890de63139809d9b83d4a204e0240d2825edae04a2054
Formbook
+ 711 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:xloader campaign:mt88 loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220621-mw9cqafch2/
Behaviour
Gathers network information
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Adds policy Run key to start application
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:
491b58cd14ab3e8d5c43f94a562342201d12c0ae0ef4900562525caf02342a3e
MD5 hash:
2940263c7ca3f82b3f9c7936b3128e58
SHA1 hash:
aa233f71dde2ca9030c4ab997245297c45f86fc5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/887d0516-af79-4f36-9479-231cb8a8687c/
Parent samples :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 hash:
836220c5dd5a4f42821611245c95f989652fa234948a7b1639c566705ec0b6df
MD5 hash:
f4474e9844a83bd40d79166a66add959
SHA1 hash:
185af858528503a295fba347d93cdbf5d9f0b51c
Link:
https://www.unpac.me/results/887d0516-af79-4f36-9479-231cb8a8687c/
SH256 hash:
1bec941f244d3f69b90f2b3166509ccffdfb11959003f53c1ef097beaf4a0969
MD5 hash:
bef72eb124931f8e96965b4e5062605c
SHA1 hash:
f2f7fb4c3c0d130dfec7ede1efa1b5187b759ede
Link:
https://www.unpac.me/results/887d0516-af79-4f36-9479-231cb8a8687c/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1bec941f244d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/1bec941f244d3f69b90f2b3166509ccffdfb11959003f53c1ef097beaf4a0969

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
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.

Web download

Formbook

Executable exe 1bec941f244d3f69b90f2b3166509ccffdfb11959003f53c1ef097beaf4a0969

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/281941/
  
URLhaus
https://urlhaus.abuse.ch/url/2246262/
  
Delivery method
Distributed via web download

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