MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8205532fed73e4318afcfd72b7d27349bd811fab096577f08e7f5d7a15f95ead. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8205532fed73e4318afcfd72b7d27349bd811fab096577f08e7f5d7a15f95ead
SHA3-384 hash: 30e9cbf57f1f2446a667f3f6c760b7f49214dcbe60184ff6c9db7fba3b7b191fde967f168981b426fac6fb17760b03d2
SHA1 hash: a3a655627c644df5f984ec8c08c3a336970e1f08
MD5 hash: afc1e11933e8105c3c54435f8de57c7b
humanhash: pizza-oranges-india-sixteen
File name:Roomtbg.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:16'384 bytes
First seen:2022-09-01 04:51:58 UTC
Last seen:2022-09-01 05:30:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 192:3wh7boe+8uDXPJppwsHjt0sxLYRdS3B1zpd7SC0XmPH0xKEK1BGm8wYkvF:3wJz+8uDxpSsD1xL4dyXGC0X+HjEQb
TLSH T197721816C66E51F2D26E873F84D3F944C7F1E2530842CA6EF898138A2D43793CAD6765
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 GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
283
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/307080/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.61433815.22092.105.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63103a72a7450371f695068c/reports/61ccc960-6520-4409-890d-fa4d38902fd2/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/510b7a10-8064-4297-b894-055253f01c56
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1062410
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8205532fed73e4318afcfd72b7d27349bd811fab096577f08e7f5d7a15f95ead/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-08-23 00:17:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
28 of 41 (68.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qicvgl7nopsddcx47vzlputtjg6ych5lbfsxp4eop5oxufpzl2wq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/220901-fhdkkaade7/
Behaviour
Suspicious use of AdjustPrivilegeToken
Unpacked files
SH256 hash:
8205532fed73e4318afcfd72b7d27349bd811fab096577f08e7f5d7a15f95ead
MD5 hash:
afc1e11933e8105c3c54435f8de57c7b
SHA1 hash:
a3a655627c644df5f984ec8c08c3a336970e1f08
Link:
https://www.unpac.me/results/a9a5e010-cf33-49c8-99c8-1c359151ab3a/
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/8205532fed73e4318afcfd72b7d27349bd811fab096577f08e7f5d7a15f95ead

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
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.

Malspam

Formbook

Executable exe 8205532fed73e4318afcfd72b7d27349bd811fab096577f08e7f5d7a15f95ead

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/307080/

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