MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1313b8c8d249728b5fe9756332a98c1415468df5f7001f2c1e4c26826edb83e. 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 2 File information Comments

SHA256 hash: b1313b8c8d249728b5fe9756332a98c1415468df5f7001f2c1e4c26826edb83e
SHA3-384 hash: e219c98a0cdb43246cd705bb28d96f0b1404564d82364f6e86be3e5378960b0fc43eaa65e1b01ca55c50de3baea92963
SHA1 hash: d4575c2ea9fc7bc24ca086f403d132b70167cc49
MD5 hash: 0c7194673ca5c213b88c8696d285d205
humanhash: carolina-skylark-low-seven
File name:SecuriteInfo.com.Trojan.Olock.1.19122.10072
Download: download sample
Signature Formbook
File size:461'312 bytes
First seen:2022-07-19 15:47:48 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 12288:hlUmsLWMyOStzMCijN5Pu1SMsccqkQ0y:hISfijL0cl/
Threatray 15'288 similar samples on MalwareBazaar
TLSH T1AFA4223B276CC963CAF96BB12621E70197F1114AA562FB083EC639ED8553F800D16B57
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 44e288ae8ace7898 (3 x Formbook, 3 x SnakeKeylogger, 2 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.GenericML
Status:
Malicious
First seen:
2022-07-19 14:39:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:t19g rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
SH256 hash:
edb893fd1a6a04502b8ca449aa7c8cb93418ce7344efd39bb202b11bdf97faea
MD5 hash:
2844a5b974dc8d1fe79f3855dbc4d20f
SHA1 hash:
9f636ec020f79e649d451a769590c47ace4a02b5
SH256 hash:
b9ebc9575de5ea594007f2c931243d2dbe9bddf6cb1577056dc8adbc2fc9ce99
MD5 hash:
0f970f07bbdaf8a4c25c72b2e1ecedcd
SHA1 hash:
9b13a7770f00f8111ed39cbe4f57a9eec534d9e3
SH256 hash:
f6d1cda2efe2622064025631b2a1ee8e5bdc057798de203ed5841916e662b4a1
MD5 hash:
fb7cc194309b03e66b160fe20f371762
SHA1 hash:
7b6fe95b9b6af1328d43ef9fff27919d807b9c47
SH256 hash:
b1313b8c8d249728b5fe9756332a98c1415468df5f7001f2c1e4c26826edb83e
MD5 hash:
0c7194673ca5c213b88c8696d285d205
SHA1 hash:
d4575c2ea9fc7bc24ca086f403d132b70167cc49
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.

Comments