MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9f5d58f514d84db1f4bd429be5188d2fea106e03256b1e4c16e16da0e191f21. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
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SHA256 hash: b9f5d58f514d84db1f4bd429be5188d2fea106e03256b1e4c16e16da0e191f21
SHA3-384 hash: 65d3f5a9d51592fd13d4c7b5259e68aa182ad6bfe7bcfd8be73a33a971c14c79261fa83e1c1b606726a2a37dcff83e6b
SHA1 hash: 3c336a28d034ae0e43d0350ab8d3352be616dd85
MD5 hash: 6944382efaaa5a558410b5a3f5606dd5
humanhash: golf-burger-mexico-florida
File name:RFQ_BRAT_METAL_TECH_LTD.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'147'392 bytes
First seen:2021-05-26 06:07:52 UTC
Last seen:2021-05-26 07:07:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:SjJdDMJd10JddMgwhgZbVBALiIMtJdx6gXeSSuBydMbW2l+9+Zupapbypw1k3Ymm:xVeC29PxxJibV1f3J/qVoVlxv8/+Tm
Threatray 5'170 similar samples on MalwareBazaar
TLSH B1353A1523A82F29E53F937C94E4440743F0F62BE311DE5C7DD163E90A62F45AF9A22A
Reporter lowmal3
Tags:FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ_BRAT_METAL_TECH_LTD.exe
Verdict:
Malicious activity
Analysis date:
2021-05-26 06:13:07 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3689b3b1-9baf-4598-9b15-5987ca9bf6d0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/162229/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Kryptik.ali2000016.4118.18394.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
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/792264
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses ipconfig to lookup or modify the Windows network settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 424661 Sample: RFQ_BRAT_METAL_TECH_LTD.exe Startdate: 26/05/2021 Architecture: WINDOWS Score: 100 31 www.thegijofficial.com 2->31 33 www.asconstructionin.com 2->33 35 thegijofficial.com 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 6 other signatures 2->49 11 RFQ_BRAT_METAL_TECH_LTD.exe 3 2->11         started        signatures3 process4 file5 29 C:\Users\...\RFQ_BRAT_METAL_TECH_LTD.exe.log, ASCII 11->29 dropped 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 RFQ_BRAT_METAL_TECH_LTD.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 37 www.monitoryourproperty.com 170.178.168.203, 49740, 80 ST-BGPUS United States 18->37 39 www.garnogroup.com 23.82.229.141, 49747, 80 LEASEWEB-USA-SEA-10US United States 18->39 41 15 other IPs or domains 18->41 51 System process connects to network (likely due to code injection or exploit) 18->51 53 Uses ipconfig to lookup or modify the Windows network settings 18->53 22 ipconfig.exe 18->22         started        signatures11 process12 signatures13 55 Modifies the context of a thread in another process (thread injection) 22->55 57 Maps a DLL or memory area into another process 22->57 59 Tries to detect virtualization through RDTSC time measurements 22->59 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/b9f5d58f514d84db1f4bd429be5188d2fea106e03256b1e4c16e16da0e191f21/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-05-26 06:08:17 UTC
AV detection:
7 of 47 (14.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xh25ld2rjwcnwh2l2qu34umi2l7kcbxagjlldzgbnylnudqzd4qq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
238dd9cb9b1c235e2babbc3f3b1372da8d76e4d94a4440776814957e0fd09f0b
Formbook
2fa1b077d0c0a2f292e166dd47f72ca444ceac3c43a1936b4f9a03d7c34d032a
Formbook
48b73d4859f483fd899164664707f48490feab53e63582729c8320cbf47802fd
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5397f0168be76c7e5efee936d341eb359b9015af5e77631129dc0664105e9259
Formbook
724e061a8e3a64c9e27683b3a43042bc04224609dc949ec0e39f5049667b7999
Formbook
7e43a881578a70074b8cd80b8dca635ba19180923833a32638dfbd5767216dee
Formbook
8290a2b2823e6a1af777003b0f36f2e4482ba594942c5f8fda6fb4e57678f219
Formbook
9175dae911f6c5ec303a278ddf3b4aec0e03c9d2f9bf223b4c20a87619052bf3
Formbook
a165611349114f4d79477306a21c3df4823aa4d82f21aeee98ea79177f3af3c0
Formbook
eb8c5fa3da30f5d972e7d30767099990aadce5af9e046a2765b0c64222eab118
Formbook
+ 5'160 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat
Link:
https://tria.ge/reports/210526-vyg243s4ln/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.asconstructionin.com/m3rc/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b9f5d58f514d84db1f4bd429be5188d2fea106e03256b1e4c16e16da0e191f21

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.

Malspam

Formbook

Executable exe b9f5d58f514d84db1f4bd429be5188d2fea106e03256b1e4c16e16da0e191f21

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/162229/

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