MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf6f665f23b44c9c347fc9d3fbb3f6b3ccf3ab82366959437213ad77346e757d. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf6f665f23b44c9c347fc9d3fbb3f6b3ccf3ab82366959437213ad77346e757d
SHA3-384 hash: becb9107d63c4d0b1889779659122d5223da30f96e96e13aafcc6943ff9525489f16af06370123322cf846a494d9c674
SHA1 hash: a345d8f8a347445c7061ced6b39093c4ef3f1f29
MD5 hash: da4899c6d6bc7ed40cb8e708a511fcd1
humanhash: thirteen-helium-georgia-utah
File name:SecuriteInfo.com.Trojan.DownLoader27.59888.32218.20715
Download: download sample
Signature Formbook
Create hunting rule
File size:707'072 bytes
First seen:2022-06-21 15:36:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:p+P6/kyM8AZ8eudivijkP1KsJjZynCA2Wq5CXo1D9w8dzDzuPUvg0pA:UP6/kAW8JdGij4jZynCA2X5MiwQz3us3
TLSH T1F9E401F09FF8B86AE46864777060A17C3BD34D5EDC46E539C69BF44A30AAAC121E1D07
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 :
214
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/282032/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader27.59888.32218.20715.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62b1e5e2bc1f1524603ceb12/reports/a21c0d32-f96f-4921-9ee3-9f021a495a97/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/19c4bafe-2e52-4e7a-bebb-80ed779e14e3
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1017258
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
Detection:
xloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cf6f665f23b44c9c347fc9d3fbb3f6b3ccf3ab82366959437213ad77346e757d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-21 13:22:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z5xwmxzdwrgjynd7zhj7xm7wwpgphk4cgzuvsq3scowxondoov6q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:ta3t loader rat
Link:
https://tria.ge/reports/220621-s1x35sfaek/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
e2d57da5fc83db08e253b0042994469efb4229062af1255e793da6e493ff6554
MD5 hash:
8e638a4b15e2f22c0335b951781c9db3
SHA1 hash:
21ce818923f4d67f0a6c3760101b32ef8d2b2911
Link:
https://www.unpac.me/results/97b27fee-293b-42b7-9cb4-d8d4a8574a12/
SH256 hash:
6de8bc7d4844efdb55328126b632a374bee9aaf3073cf9ca5fe5fdf303106f8e
MD5 hash:
7ce2d10bd0f02667bc0e1343d9ffc1c1
SHA1 hash:
c3a5b4e5721085022eb7bf0008b7e449f9369fcf
Link:
https://www.unpac.me/results/97b27fee-293b-42b7-9cb4-d8d4a8574a12/
SH256 hash:
dc20ff9b0bb9b202459bc664e9e3fdf9f7a01fcf14c1c3689a1e6c7b825e1cd2
MD5 hash:
192e578ad828f815fec09ff48218af77
SHA1 hash:
c60f3ea00d8a712a4788113c7a67e2ca3cb2dbb5
Link:
https://www.unpac.me/results/97b27fee-293b-42b7-9cb4-d8d4a8574a12/
SH256 hash:
91161c1bb992a21c104463e14a8975ddd96fae98236ce3effab9d9637de720b6
MD5 hash:
e14150de15c5d7030760f812214bf4b1
SHA1 hash:
47d6f6174a99527bbfad1e9b023f014fbdb33bde
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/97b27fee-293b-42b7-9cb4-d8d4a8574a12/
Parent samples :
f04f07bbeffe4e7ea71dabc192759db670f2407c8d46fd7f40ac91020f7161dc
24760feea3c8f265f0af7e459844b8b793b6f572b890ce692a47cb6d6141a50a
cd055a7b832bc32db20e93992cbc4df3698599747d51ebbb091af91156f82dfb
cf6f665f23b44c9c347fc9d3fbb3f6b3ccf3ab82366959437213ad77346e757d
f88c6f7beb3b21dc8b8a53244aa7bbf000981929b5bb30db3acec409b6cb486a
SH256 hash:
cf6f665f23b44c9c347fc9d3fbb3f6b3ccf3ab82366959437213ad77346e757d
MD5 hash:
da4899c6d6bc7ed40cb8e708a511fcd1
SHA1 hash:
a345d8f8a347445c7061ced6b39093c4ef3f1f29
Link:
https://www.unpac.me/results/97b27fee-293b-42b7-9cb4-d8d4a8574a12/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cf6f665f23b4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/cf6f665f23b44c9c347fc9d3fbb3f6b3ccf3ab82366959437213ad77346e757d

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
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 cf6f665f23b44c9c347fc9d3fbb3f6b3ccf3ab82366959437213ad77346e757d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2246363/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/282032/

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