MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16ef953132f6f51c904ccd3e04c933c20110c1dcbab443059df7218392291d5f. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: 16ef953132f6f51c904ccd3e04c933c20110c1dcbab443059df7218392291d5f
SHA3-384 hash: b098a58cc3659c28b5e30369f114093d31a8a8e4182e21bf510263f436aee7285588f4635e4d637b8ca8b7863a48ba05
SHA1 hash: 98d6daf4a0f1955c2a6d3b016d63d2214f103309
MD5 hash: b1a1aadda80c975783c6c8df2a8586ee
humanhash: kentucky-beer-fillet-delaware
File name:RFQ 6000066536 - PR 10023150.exe
Download: download sample
Signature Formbook
File size:849'408 bytes
First seen:2023-06-19 14:04:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:YicvG73htU7/2eQ1x96p/TXH0HRGVkqTEKV2ooB9qMsvFWSKDLzbD:NgG1tCueiI/T30xniErv9qjvYp/
Threatray 760 similar samples on MalwareBazaar
TLSH T12E05025168A60F53D676B3F90F0032B033FE6EDE3826E39A1DC6F1E99561F491A4190B
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 James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
283
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ 6000066536 - PR 10023150.exe
Verdict:
Suspicious activity
Analysis date:
2023-06-19 14:05:11 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook nanocore packed
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.
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
Adds a directory exclusion to Windows Defender
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
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 890587 Sample: RFQ_6000066536_-_PR_10023150.exe Startdate: 19/06/2023 Architecture: WINDOWS Score: 96 39 Malicious sample detected (through community Yara rule) 2->39 41 Sigma detected: Scheduled temp file as task from temp location 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Machine Learning detection for sample 2->45 7 RFQ_6000066536_-_PR_10023150.exe 7 2->7         started        11 OuInyVb.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\Roaming\OuInyVb.exe, PE32 7->31 dropped 33 C:\Users\user\...\OuInyVb.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\AppData\Local\Temp\tmp350.tmp, XML 7->35 dropped 37 C:\...\RFQ_6000066536_-_PR_10023150.exe.log, ASCII 7->37 dropped 47 Uses schtasks.exe or at.exe to add and modify task schedules 7->47 49 Writes to foreign memory regions 7->49 51 Adds a directory exclusion to Windows Defender 7->51 53 Injects a PE file into a foreign processes 7->53 13 powershell.exe 21 7->13         started        15 schtasks.exe 1 7->15         started        17 RegSvcs.exe 7->17         started        19 RegSvcs.exe 7->19         started        55 Multi AV Scanner detection for dropped file 11->55 57 Machine Learning detection for dropped file 11->57 21 schtasks.exe 1 11->21         started        23 RegSvcs.exe 11->23         started        signatures5 process6 process7 25 conhost.exe 13->25         started        27 conhost.exe 15->27         started        29 conhost.exe 21->29         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-06-13 10:16:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
70382ea1b363da419e2b0e806739138db40b4ec2ea276de2f1aefbd46ee66ac9
MD5 hash:
c260a705d14d1209ee29f226099010a1
SHA1 hash:
f7a97ae4da5562d1064bc7c94d7b68e184361bcf
Detections:
win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
69ae0d2e1c3e2bbbe5183e41b3ac08a711b71c2740e59fab69abc6b463b249ae
MD5 hash:
4fc5c70a26e153516338b2bd4a6df5fb
SHA1 hash:
6d7e91edb55a50e3aeacf06752101ae672badc50
SH256 hash:
a2ea47872b818b1299cd30335fd07a0ea97fbe29b3253bfd075f3330295ab815
MD5 hash:
ec895e83d67c99a776a6e1afa77f6c64
SHA1 hash:
da18a6354365a52107ae6f74b38ebeb2ca73b999
SH256 hash:
c440617e04a50ced73c8ab992cbe8d8954a3e41f21f046ee9d1f2a41ea9b416d
MD5 hash:
9390df6c9a6111978dee5414bc42eda6
SHA1 hash:
d3cb1c366b9e466afa93eb369838a04d30777795
SH256 hash:
13e9be0aba1cef3943954d2a204472356721075f8ecbfe565a476aec8346fdc6
MD5 hash:
4ce78b41df3f0bb4dff20793bcc9f78d
SHA1 hash:
4de22b09a356224b9916836ba2ee181d369d5f4f
SH256 hash:
24dea6bd553e813bb352b48584771c650f8fdd2dec3e2c3599e752380ac5137e
MD5 hash:
b42425254e030a8aa30dc126fc81f0a1
SHA1 hash:
08bd2bbf37754213a48f7e64d8423e817982a56e
SH256 hash:
16ef953132f6f51c904ccd3e04c933c20110c1dcbab443059df7218392291d5f
MD5 hash:
b1a1aadda80c975783c6c8df2a8586ee
SHA1 hash:
98d6daf4a0f1955c2a6d3b016d63d2214f103309
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

Comments