MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac5e5935c877d48be14314d53a7154e370426a35168c82cb9ee83b7e98d02f28. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
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SHA256 hash: ac5e5935c877d48be14314d53a7154e370426a35168c82cb9ee83b7e98d02f28
SHA3-384 hash: d9c3f2428a23f65c9d105923a29a8a8394c3b8779b6fec9909c56d5c4f68ac85c448125763ddd653b5ab88fc01dc216b
SHA1 hash: da4fee8e2f089106730da0099851c20f1ef40b02
MD5 hash: df27b3aae2b3c9e776e2c18c79da59a4
humanhash: low-november-sad-london
File name:SecuriteInfo.com.Variant.Zusy.438336.24504.4278
Download: download sample
Signature FormBook
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File size:1'027'072 bytes
First seen:2022-09-23 13:04:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d327c770dcde2c326f621c13e64d15a0 (2 x ModiLoader, 1 x FormBook)
ssdeep 24576:ykb0afaPqkuuvxYe6aUMdXs+loXwbPfQ9W8AoqiVNW:yk4Ku5YhMVs+lms
TLSH T15125BF5372D0D933C22B1039AE1F62687B29FD1438145D9976E4FEBC2F7BA207129792
TrID 26.5% (.EXE) Win32 Executable Delphi generic (14182/79/4)
24.5% (.SCR) Windows screen saver (13101/52/3)
19.7% (.EXE) Win64 Executable (generic) (10523/12/4)
8.4% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon 74f7e3db9fc5efca (4 x ModiLoader, 2 x Formbook)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
290
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/312589/
Detection(s):
SecuriteInfo.com.Variant.Zusy.438336.24504.4278.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Creating a process with a hidden window
Launching a service
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching cmd.exe command interpreter
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/38560/overview
Behaviour
MalwareBazaar
CheckScreenResolution
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook keylogger overlay zusy
Link:
https://www.filescan.io/uploads/632daf7c39767769653fd8f6/reports/22cd7cf3-7b85-40ea-93b8-6a8a14815b8e/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/bfba0f62-ff8f-467b-a728-484a6838986f
Result
Threat name:
DBatLoader, FormBook
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Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1075901
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject threads in other processes
Creates a thread in another existing process (thread injection)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected FormBook
Yara detected UAC Bypass using ComputerDefaults
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 708439 Sample: SecuriteInfo.com.Variant.Zu... Startdate: 23/09/2022 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 4 other signatures 2->44 6 SecuriteInfo.com.Variant.Zusy.438336.24504.4278.exe 1 19 2->6         started        11 Alohsftn.exe 16 2->11         started        13 Alohsftn.exe 16 2->13         started        process3 dnsIp4 24 l-0003.l-dc-msedge.net 13.107.43.12, 443, 49697, 49699 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 6->24 26 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49696, 49698 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 6->26 32 3 other IPs or domains 6->32 22 C:\Users\Public\Libraries\Alohsftn.exe, PE32 6->22 dropped 46 Contains functionality to inject threads in other processes 6->46 48 Writes to foreign memory regions 6->48 50 Allocates memory in foreign processes 6->50 54 2 other signatures 6->54 15 mspaint.exe 2 6->15         started        28 ph-files.fe.1drv.com 11->28 34 2 other IPs or domains 11->34 52 Multi AV Scanner detection for dropped file 11->52 18 mspaint.exe 1 11->18         started        30 192.168.2.1 unknown unknown 13->30 36 3 other IPs or domains 13->36 20 mspaint.exe 13->20         started        file5 signatures6 process7 signatures8 56 Tries to detect virtualization through RDTSC time measurements 15->56
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ac5e5935c877d48be14314d53a7154e370426a35168c82cb9ee83b7e98d02f28/
Threat name:
Win32.Trojan.FormBook
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Status:
Malicious
First seen:
2022-09-23 12:54:09 UTC
File Type:
PE (Exe)
Extracted files:
54
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vrpfsnoio7kixykdctktu4ku4nyee2rvc2gifs465a5x5ggqf4ua._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
modiloader
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Score:
  10/10
Tags:
family:formbook family:modiloader campaign:t3c9 persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/220923-qbhk2sgge4/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Formbook payload
ModiLoader Second Stage
Formbook
ModiLoader, DBatLoader
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e8e8bd5c-14f0-4997-99f3-8b65abf814b4
Unpacked files
SH256 hash:
b44efc99aa637abb6b32fe45f0edfdc6e82f5626984d06c6c660690568ca7335
MD5 hash:
659102b565fb5ad1bd6f6cb31212bd86
SHA1 hash:
ec86a329feab1ba5c8e4aef14bad74db022ab5e0
Detections:
win_dbatloader_g1
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Link:
https://www.unpac.me/results/c3d7aaf4-c169-4fed-83d6-8a0c8dba13c7/
Parent samples :
faac5f6037f14d4d1dcb0b34b555c89791b536ea01a8bafa8851f3659c0123d7
6d68db4d0aa5bfc75ed6eb34a3680abb7ee99af0138419324e65749af1ba4b40
1f1b956451f7e90c7e306a4d0d762aa0d1f9b1b7c639ed8eda1a16dcdfa5b870
ac5e5935c877d48be14314d53a7154e370426a35168c82cb9ee83b7e98d02f28
f37aaec005b8c49d6376b138c96b2219b3060098ff5cd11d143a4983d2f9187b
SH256 hash:
ac5e5935c877d48be14314d53a7154e370426a35168c82cb9ee83b7e98d02f28
MD5 hash:
df27b3aae2b3c9e776e2c18c79da59a4
SHA1 hash:
da4fee8e2f089106730da0099851c20f1ef40b02
Detections:
DbatLoaderStage1
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Link:
https://www.unpac.me/results/c3d7aaf4-c169-4fed-83d6-8a0c8dba13c7/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ac5e5935c877/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ac5e5935c877d48be14314d53a7154e370426a35168c82cb9ee83b7e98d02f28

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:RansomwareTest4
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest5
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules

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/312589/

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