MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9148dfec92ec25753e9a70e51ef698bc44a66be852a84b6e5296f873cf0ea79. 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 2 File information Comments 1
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SHA256 hash: b9148dfec92ec25753e9a70e51ef698bc44a66be852a84b6e5296f873cf0ea79
SHA3-384 hash: 2eff8d6511dda6c265ec5a3fcc60c3afe3e15303b08890b1ff779b7214a2fa9e83e62d84d8209dd5c53a49cbd789baa4
SHA1 hash: 4d9db3532b7ed28a25a75ce7d4c47361eaa33fee
MD5 hash: 6e923f0babe5fd1747a92108b09b9ed8
humanhash: paris-freddie-snake-lithium
File name:6e923f0babe5fd1747a92108b09b9ed8
Download: download sample
Signature Formbook
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File size:1'245'696 bytes
First seen:2022-05-26 09:16:05 UTC
Last seen:2022-05-26 09:54:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:2QcY2XyrDk2qUpXKhaTvUN7xzJ5BQZuHgVP5k7A0qXyne3is9DgI2WfMaLig9njW:cYEiQhCQN1AQA0qaql9D4baLXwGV
TLSH T1B845CF2233A8CA5AD5AF4B31F06186F92734DD16EB55E35F0584BFE838B33415E09A93
TrID 65.6% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.4% (.EXE) Win64 Executable (generic) (10523/12/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.9% (.FON) Windows Font (5545/9/1)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 232b235959232b0f (6 x Formbook, 1 x AveMariaRAT)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
527
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6e923f0babe5fd1747a92108b09b9ed8
Verdict:
Suspicious activity
Analysis date:
2022-05-26 09:24:42 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4497348c-ba2a-484d-9c27-dc7463322fd2

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/274693/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.HFP.genEldorado.14619.27067.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Adding an access-denied ACE
Launching a process
Сreating 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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
keylogger obfuscated packed
Link:
https://www.filescan.io/uploads/628f4593206e0816183ef9db/reports/31fe0b47-d3c5-4276-a48e-c73ec4af7a38/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/888b67d9-3488-4a1f-8bc6-3598ab49ec08
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1002023
Signature
.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 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
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: 634519 Sample: yW4CYO3d2Z Startdate: 26/05/2022 Architecture: WINDOWS Score: 100 36 www.watnefarms.com 2->36 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 9 other signatures 2->50 11 yW4CYO3d2Z.exe 1 2->11         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\yW4CYO3d2Z.exe.log, ASCII 11->34 dropped 64 Writes to foreign memory regions 11->64 66 Allocates memory in foreign processes 11->66 68 Injects a PE file into a foreign processes 11->68 15 RMActivate_ssp.exe 11->15         started        signatures6 process7 signatures8 70 Modifies the context of a thread in another process (thread injection) 15->70 72 Maps a DLL or memory area into another process 15->72 74 Sample uses process hollowing technique 15->74 76 2 other signatures 15->76 18 explorer.exe 15->18 injected process9 dnsIp10 38 www.wona-nyc.com 185.68.16.31, 49800, 49801, 49802 UKRAINE-ASUA Ukraine 18->38 40 www.xiaojiaowanwan.com 103.224.182.242, 49804, 49805, 49806 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 18->40 42 3 other IPs or domains 18->42 52 System process connects to network (likely due to code injection or exploit) 18->52 22 WWAHost.exe 1 12 18->22         started        signatures11 process12 signatures13 54 Tries to steal Mail credentials (via file / registry access) 22->54 56 Tries to harvest and steal browser information (history, passwords, etc) 22->56 58 Modifies the context of a thread in another process (thread injection) 22->58 60 2 other signatures 22->60 25 cmd.exe 2 22->25         started        28 cmd.exe 1 22->28         started        process14 signatures15 62 Tries to harvest and steal browser information (history, passwords, etc) 25->62 30 conhost.exe 25->30         started        32 conhost.exe 28->32         started        process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b9148dfec92ec25753e9a70e51ef698bc44a66be852a84b6e5296f873cf0ea79/
Threat name:
ByteCode-MSIL.Packed.Generic
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Status:
Suspicious
First seen:
2022-05-26 09:17:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
16 of 26 (61.54%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xeki37wjf3bfou7ju4hfd33jrpceuzv6quvijnxfffxyophq5j4q._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:formbook family:xloader campaign:uu0p loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220526-k816rsdhgl/
Behaviour
Enumerates system info in registry
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:
b9148dfec92ec25753e9a70e51ef698bc44a66be852a84b6e5296f873cf0ea79
MD5 hash:
6e923f0babe5fd1747a92108b09b9ed8
SHA1 hash:
4d9db3532b7ed28a25a75ce7d4c47361eaa33fee
Link:
https://www.unpac.me/results/a05cb15a-28a0-47b7-a085-c83825ef7820/
Malware family:
XLoader
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b9148dfec92e/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/b9148dfec92ec25753e9a70e51ef698bc44a66be852a84b6e5296f873cf0ea79

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_imphash
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Rule name:Skystars_Malware_Imphash
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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 b9148dfec92ec25753e9a70e51ef698bc44a66be852a84b6e5296f873cf0ea79

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2210721/
  
URLhaus
https://urlhaus.abuse.ch/url/2211812/
Cape
Cape
https://www.capesandbox.com/analysis/274693/

Comments


Avatar
zbet commented on 2022-05-26 09:16:09 UTC

url : hxxps://180.214.236.4/spacedata/vbc.exe