MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99fa64e87ffbc808b732ea25e49e697303eb7bda64772b7b1f25ae9b3855253b. 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 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 99fa64e87ffbc808b732ea25e49e697303eb7bda64772b7b1f25ae9b3855253b
SHA3-384 hash: ca868ad964364afb00886502bd4ae2ec7cb78badc1846c6f1d0acbc57a0cfcf82927b9ec0376d57ea96729dfa03074d9
SHA1 hash: 86c26bbf8abdf3739e1acfc744db681eb5af75aa
MD5 hash: eb149283fb1ba797a3a178cc8c061b9c
humanhash: papa-colorado-artist-london
File name:eb149283fb1ba797a3a178cc8c061b9c
Download: download sample
Signature Formbook
Create hunting rule
File size:754'176 bytes
First seen:2023-04-24 03:30:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:wWQ7PCFKYTzAGTrNXTOHqPW3f0CEtcxf6q3do1KF/R+pJsix/N2Mvacg7S:47EKcrNyz3I2xF/us+12MvaTS
Threatray 3 similar samples on MalwareBazaar
TLSH T15CF4E11B4BC5BAA8E93D813281751E98A3F4CEDB2112D7873E9572F04E536CA5F4B2C1
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
759
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1d82f9e6e4d17095ad3b65ead5dcaa54
Verdict:
Malicious activity
Analysis date:
2023-04-24 03:22:51 UTC
Tags:
opendir exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/6191a632-ea33-428b-9c18-225aee3aeb28

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/384408/
Detection(s):
SecuriteInfo.com.Variant.Lazy.332458.3644.27550.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Launching a process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6445f7bcc4c1dca4284a5eac/reports/afe0c3ca-44b7-47f8-a490-e59ade76c172/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/99fa64e87ffbc808b732ea25e49e697303eb7bda64772b7b1f25ae9b3855253b
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/35397dbd-253c-430c-bec7-93ed136553d6
Result
Threat name:
DarkTortilla, FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1219679
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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 DarkTortilla Crypter
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 852625 Sample: qkkyWxOQJO.exe Startdate: 24/04/2023 Architecture: WINDOWS Score: 100 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 6 other signatures 2->52 8 qkkyWxOQJO.exe 5 2->8         started        process3 file4 28 C:\Users\user\AppData\...\qkkyWxOQJO.exe.log, ASCII 8->28 dropped 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->54 12 cmd.exe 3 8->12         started        signatures5 process6 file7 30 C:\Users\user\AppData\Roaming\...\YTH879H.exe, PE32 12->30 dropped 32 C:\Users\user\...\YTH879H.exe:Zone.Identifier, ASCII 12->32 dropped 56 Uses ping.exe to sleep 12->56 58 Uses ping.exe to check the status of other devices and networks 12->58 16 YTH879H.exe 2 12->16         started        19 PING.EXE 1 12->19         started        22 PING.EXE 1 12->22         started        24 conhost.exe 12->24         started        signatures8 process9 dnsIp10 38 Antivirus detection for dropped file 16->38 40 Multi AV Scanner detection for dropped file 16->40 42 Machine Learning detection for dropped file 16->42 44 3 other signatures 16->44 26 AddInProcess32.exe 16->26         started        34 127.0.0.1 unknown unknown 19->34 36 192.168.2.1 unknown unknown 22->36 signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/99fa64e87ffbc808b732ea25e49e697303eb7bda64772b7b1f25ae9b3855253b/
Threat name:
ByteCode-MSIL.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2023-04-19 09:49:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=th5gj2d77pearnzs5is6jhtjomb6w662mr3sw6y7ewxjwocveu5q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
6e628b1245298fa669e9ed3dba5cbaea98eed433f094664b47a381695f7d8b5b
Formbook
e309e6a7f77ce5e80079ff47a2a1cafb82395f96dadf925d2c0d5cc333b3381d
Formbook
e9575a5decf464c96451e7e6f2f4a12e2c0f96729bc25885507913ede49cb784
Formbook
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230424-d2gp8abb6s/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops startup file
Executes dropped EXE
Unpacked files
SH256 hash:
99fa64e87ffbc808b732ea25e49e697303eb7bda64772b7b1f25ae9b3855253b
MD5 hash:
eb149283fb1ba797a3a178cc8c061b9c
SHA1 hash:
86c26bbf8abdf3739e1acfc744db681eb5af75aa
Link:
https://www.unpac.me/results/9078b47b-e7db-4489-a7ab-f5b7c589331e/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/99fa64e87ffb/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/99fa64e87ffbc808b732ea25e49e697303eb7bda64772b7b1f25ae9b3855253b

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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 99fa64e87ffbc808b732ea25e49e697303eb7bda64772b7b1f25ae9b3855253b

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/384408/
  
URLhaus
https://urlhaus.abuse.ch/url/2616723/

Comments


Avatar
zbet commented on 2023-04-24 03:30:09 UTC

url : hxxp://103.155.81.71/0000213/vbc.exe