MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2efbb8abb0745a78dba6bdd6137619d948b47b352ab95732f00471831f95ad6d. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2efbb8abb0745a78dba6bdd6137619d948b47b352ab95732f00471831f95ad6d
SHA3-384 hash: 0ff262b873e16838c78beb3ffdb116c450bcb93ce75706d9f268c01348e4fd853e1caf47fb26cb5d2fbbeae2e8b34a23
SHA1 hash: 21a6a11acfcd3c975efacf067d8b9db96072246c
MD5 hash: 8de5c116b2cde266b707582ade061a55
humanhash: cardinal-princess-fillet-four
File name:0987654345690987654356787654.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:663'040 bytes
First seen:2021-05-10 12:52:25 UTC
Last seen:2021-05-10 13:02:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:WLfmxOEPGQntLS9iZIdXIJJqdYX6JsdmFxosWxK1PMLyW:5x9xLS9OIdXiJnA5GlxK1B
Threatray 5'088 similar samples on MalwareBazaar
TLSH BEE4AD2C26E44A4DF6BE16BC5C73116082FCA1179916E7594AE06CEC3CB7710FE32E5A
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
119
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/154059/
Detection(s):
SecuriteInfo.com.Scr.Malcodegdn30.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/779285
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2efbb8abb0745a78dba6bdd6137619d948b47b352ab95732f00471831f95ad6d/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-05-10 11:26:06 UTC
AV detection:
10 of 28 (35.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f353rk5qornhrw5gxxlbg5qz3feli6zvfk4vomxqaryygh4vvvwq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
625140ec60caaae03895c18ad400c65f5d5b15f55c7a01eb419a4215d295a6ee
Formbook
8df52ba27a44fa2964a2fe9de4894aefa47b3c09abaeeb9602bde6d96926136e
Formbook
a2cdf452f83aa86c0f3ade321cfc00a9ed3671082372081a67cad84a26492051
Formbook
a64fb325fa611518c20644dfbe5728eb7767caeb63df08c4935dec5fc4ffe988
Formbook
b69927fbfd7eb038b59aa9b7e9f49cb02d127d48fcf6517e65a379e982e806bc
Formbook
c69e54b704c7d7e94faa9c3ea2519eef344e1099aa99271833bc56cae00ab8af
Formbook
d0b2bc00645de803a4e9df303539995ee8f781631684b04fe67ee7e01bcf9c21
Formbook
dd44eb26a328f1e86823339666e1b1237ad7b1d880694c1b8fb8164b931aa512
Formbook
e47fa9824fd9f5f8e8b42fb02f53cfbf57b7c784d54c9e76ed247a9d297835cf
Formbook
e8baf97ad51faed006287d1f01f921df0f677d4f056d35697158d30aa24ace9b
Formbook
+ 5'078 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210510-5fllyn1j6a/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.btyaning.com/mpr/
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/2efbb8abb0745a78dba6bdd6137619d948b47b352ab95732f00471831f95ad6d

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
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Rule name:Skystars_Malware_Imphash
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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/154059/

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