MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef45348963373f501b165e141423164651c1663584ac33299e93912529b1553b. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef45348963373f501b165e141423164651c1663584ac33299e93912529b1553b
SHA3-384 hash: 118480ee8426b0ea470399b641f9676558abdbd249217c25e94fb80b4812f862832ee4f1fc7b48bd2944240ee7932dcf
SHA1 hash: 1eea928163770422deac96072cd5e5b335568f53
MD5 hash: fa0a848fef1c5c2db4c68adeebad8fb1
humanhash: connecticut-cardinal-washington-freddie
File name:SecuriteInfo.com.Trojan.Siggen9.48175.249.18471
Download: download sample
Signature Formbook
Create hunting rule
File size:493'056 bytes
First seen:2022-05-17 07:39:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:0t+uCFY8LLCmf26a+Azkc7oRNFnWL54o0v8wLccgN+HMnHBhqyYdcRYHbv:u78LLCgzaucw9WL548wLptouyMcR6
TLSH T12DA4010B27DAA5BAC1AD3A74AFB850E541F093CB1461B7AF584143E47F257CA77022E3
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)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Trojan.Siggen9.48175.249.18471
Verdict:
Malicious activity
Analysis date:
2022-05-17 07:45:06 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/94100fdb-dfac-41a2-8521-fd52cb619b01

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/271375/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Сreating synchronization primitives
Launching a process
Creating a file
Creating a file in the %temp% directory
Sending a custom TCP request
Creating a process from a recently created file
Moving of the original file
Unauthorized injection to a recently created process
Enabling autorun
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/6283515b0076642c59526639/reports/8124d642-86d4-4542-9aa6-a5339e0249cc/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/3eae1ea8-1c2a-41db-a11a-b85d92eb5026
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/995577
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an undocumented autostart registry key
Drops PE files to the startup folder
Exploit detected, runtime environment dropped PE file
Exploit detected, runtime environment starts unknown processes
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Moves itself to temp directory
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 628080 Sample: SecuriteInfo.com.Trojan.Sig... Startdate: 17/05/2022 Architecture: WINDOWS Score: 100 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for dropped file 2->55 57 Antivirus / Scanner detection for submitted sample 2->57 59 5 other signatures 2->59 9 SecuriteInfo.com.Trojan.Siggen9.48175.249.exe 4 2->9         started        process3 file4 45 SecuriteInfo.com.T...9.48175.249.exe.log, ASCII 9->45 dropped 65 Moves itself to temp directory 9->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->67 13 java.exe 5 9->13         started        17 cmd.exe 1 9->17         started        signatures5 process6 file7 47 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 13->47 dropped 69 Exploit detected, runtime environment starts unknown processes 13->69 71 Exploit detected, runtime environment dropped PE file 13->71 73 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->73 19 cmd.exe 3 13->19         started        75 Uses ping.exe to sleep 17->75 77 Drops PE files to the startup folder 17->77 79 Uses ping.exe to check the status of other devices and networks 17->79 23 reg.exe 1 1 17->23         started        25 PING.EXE 1 17->25         started        28 conhost.exe 17->28         started        signatures8 process9 dnsIp10 41 C:\Users\user\AppData\Roaming\...\java.exe, PE32 19->41 dropped 43 C:\Users\user\...\java.exe:Zone.Identifier, ASCII 19->43 dropped 61 Uses ping.exe to sleep 19->61 30 java.exe 2 19->30         started        33 conhost.exe 19->33         started        35 PING.EXE 1 19->35         started        37 PING.EXE 1 19->37         started        63 Creates an undocumented autostart registry key 23->63 49 127.0.0.1 unknown unknown 25->49 51 192.168.2.1 unknown unknown 25->51 file11 signatures12 process13 signatures14 81 Writes to foreign memory regions 30->81 83 Hides that the sample has been downloaded from the Internet (zone.identifier) 30->83 85 Injects a PE file into a foreign processes 30->85 39 AddInProcess32.exe 30->39         started        process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef45348963373f501b165e141423164651c1663584ac33299e93912529b1553b/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-16 08:29:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=55ctjcldg47vagywlykbiiywizi4czrvqswdgkm6soiskknrku5q._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:uj3c loader persistence rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220517-jhkwesbchl/
Behaviour
Modifies Internet Explorer settings
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Adds policy Run key to start application
Executes dropped EXE
Xloader Payload
Formbook
Modifies WinLogon for persistence
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
08ffa2b4e6e3f4b4b40825417359ce61c915ff986ed57109bec9d9456059b753
MD5 hash:
ab1c1507616700a6a652d49fa35e4ad3
SHA1 hash:
b39566a2c4d09cc0c3cf59c65cbadd5de01007d2
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/001b2172-ed7e-4db9-b510-acd5de4f1ecc/
Parent samples :
ef45348963373f501b165e141423164651c1663584ac33299e93912529b1553b
0dc7b855d0ec804e93846a45b3d6b8b58b35e5314149bc57fae5e0623f79fe91
945c8e963c5602d97a9ff4de62a374a23149cd32c5271804535e00746d8a6db9
SH256 hash:
de946071f5ce37d7bd121d1d7123a795c6111bb37715139a956110b97b0ba98a
MD5 hash:
ee5770ede963b3444343d074820acf46
SHA1 hash:
8863ca4d0e2f49f93c5325135931a163d652ab73
Link:
https://www.unpac.me/results/001b2172-ed7e-4db9-b510-acd5de4f1ecc/
SH256 hash:
ef45348963373f501b165e141423164651c1663584ac33299e93912529b1553b
MD5 hash:
fa0a848fef1c5c2db4c68adeebad8fb1
SHA1 hash:
1eea928163770422deac96072cd5e5b335568f53
Link:
https://www.unpac.me/results/001b2172-ed7e-4db9-b510-acd5de4f1ecc/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/ef45348963373f501b165e141423164651c1663584ac33299e93912529b1553b

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
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.

Cape
Cape
https://www.capesandbox.com/analysis/271375/

Comments