MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2af6b1cfe8812e9e1679f3a6a58a158420e771341dbea64f4853d6966bb589b2. 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 2 File information Comments
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SHA256 hash: 2af6b1cfe8812e9e1679f3a6a58a158420e771341dbea64f4853d6966bb589b2
SHA3-384 hash: ed4558d9548d0d6618e30dc562f771003014305a65426aadb1f5205a0a7cb06a54d53bfceb1f611977cfd9de406b85f0
SHA1 hash: 5aa30911a8e7a2f3791061c866da3303464e3d86
MD5 hash: 1ffd86f16e4530213e2e95c65763acdc
humanhash: lithium-mars-six-sad
File name:1ffd86f16e4530213e2e95c65763acdc.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:774'144 bytes
First seen:2022-03-01 17:42:34 UTC
Last seen:2022-03-01 19:55:23 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 12288:6EyDR/IDCb3C0XwjAQQSsiHKw02YqxdIpcRjmffehom1LUbad2Ppm7uyptK:tCb3C06UiHKH2YadIpcRjmf5gLIad2xR
Threatray 14'360 similar samples on MalwareBazaar
TLSH T15EF4BF0838E65039F83A8BF1DBD0E7F19B6EF221E54870F558000E559A15BBC895AEFD
Reporter abuse_ch
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
193
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/245942/
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.25.11215.13861.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/621e5b43dfdfa8501c726726/reports/2d716596-d8ff-415e-9046-7f8d292c869f/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:
Agent Tesla
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/494ba16e-87c1-4390-87b9-7d3587528968
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/948477
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
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
Self deletion via cmd delete
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
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 580959 Sample: uY2FJUdkhs.exe Startdate: 01/03/2022 Architecture: WINDOWS Score: 100 35 www-bing-com.dual-a-0001.a-msedge.net 2->35 37 store-images.s-microsoft.com 2->37 39 dual-a-0001.dc-msedge.net 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus detection for URL or domain 2->45 47 6 other signatures 2->47 11 uY2FJUdkhs.exe 3 2->11         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\uY2FJUdkhs.exe.log, ASCII 11->33 dropped 57 Tries to detect virtualization through RDTSC time measurements 11->57 59 Injects a PE file into a foreign processes 11->59 15 uY2FJUdkhs.exe 11->15         started        18 uY2FJUdkhs.exe 11->18         started        20 uY2FJUdkhs.exe 11->20         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 15->61 63 Maps a DLL or memory area into another process 15->63 65 Sample uses process hollowing technique 15->65 67 Queues an APC in another process (thread injection) 15->67 22 explorer.exe 15->22 injected process9 process10 24 help.exe 22->24         started        27 autochk.exe 22->27         started        signatures11 49 Self deletion via cmd delete 24->49 51 Modifies the context of a thread in another process (thread injection) 24->51 53 Maps a DLL or memory area into another process 24->53 55 Tries to detect virtualization through RDTSC time measurements 24->55 29 cmd.exe 1 24->29         started        process12 process13 31 conhost.exe 29->31         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/2af6b1cfe8812e9e1679f3a6a58a158420e771341dbea64f4853d6966bb589b2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2022-03-01 02:18:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
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Similar samples:
208e7ad8dab4aee54a4d2a5e7be5f2c333855856fa4a433461c1ef55b101ec0a
Formbook
25c2cea54ad6c1b93026807e6a34e7278f4dbdb85fdd635cbcc83e7f247e3f19
Formbook
4e1397fff753fe86be50e152d3e2ace6a8a9e0b3f8e63e77c0e0c1c1d6ed71c3
Formbook
5645d9e38c998f5db43ae93e35339d7dca0a96b81f806b370624e7410e2eea0a
Formbook
6077a6a5a6270bd0cbd94bd424294d9c1afe129e72ac671db981245f4e294234
Formbook
60b97b4d45e3850d57a661bf37987909c1f99096384123594cc1b79d5449348f
Formbook
9f033092c39f84850b90bbeb99c2fa53bb621a8467cdf399f77e08bfa892548d
Formbook
a4e51503957292fe946f001fdcaf2b6ac7cd935c7bca80d5f79754c14d93e03d
Formbook
a608c335a71c2d4e38ce67af529bf6e9bdc84555cdce0269eae7d5539fa33549
Formbook
aea459fb282282fc886f02283b2cfe1da12a6208e14859ffeb7f84a45a452bba
Formbook
+ 14'350 additional samples on MalwareBazaar
Result
Malware family:
xloader
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Score:
  10/10
Tags:
family:xloader campaign:mc3w loader rat
Link:
https://tria.ge/reports/220301-wakxnsahh7/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Unpacked files
SH256 hash:
74d0dd17ce636a6a0c48dc6b211cd358ecb602efe165ec7b60d23ddda9462b4b
MD5 hash:
88f5639a50afd993c76ea84668a4e285
SHA1 hash:
4f85dafcecdd760abe0b63ee9ec6e1bc93ffdf38
Detections:
win_formbook_g0
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win_formbook_auto
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Link:
https://www.unpac.me/results/1966c129-dae3-4f87-b462-c7c024f80b2a/
Parent samples :
25c2cea54ad6c1b93026807e6a34e7278f4dbdb85fdd635cbcc83e7f247e3f19
60b97b4d45e3850d57a661bf37987909c1f99096384123594cc1b79d5449348f
aea459fb282282fc886f02283b2cfe1da12a6208e14859ffeb7f84a45a452bba
9f033092c39f84850b90bbeb99c2fa53bb621a8467cdf399f77e08bfa892548d
2af6b1cfe8812e9e1679f3a6a58a158420e771341dbea64f4853d6966bb589b2
dfd8941401c6e44bf380f982cd4b78d847f87fd3ea364418b00ceec92f97c500
8609b523be1b22061f1c01a8587f04874836d490196cfa09e8c1eed005f298a0
SH256 hash:
b026c74cd0822be25fe7ac50de5efc7e4091d585a24152c668d1b18697e39cc9
MD5 hash:
8f14f52c5a37216934b6e1b971b13d76
SHA1 hash:
8954ea128cdc58347ff4bc3578de6abdd7f0ea1e
Link:
https://www.unpac.me/results/1966c129-dae3-4f87-b462-c7c024f80b2a/
SH256 hash:
495b8de16423c99e9de67606860df32851dbfb2a09ff4835e6cd104dcf8134fc
MD5 hash:
733e52af9b9d5796105b7cc57ac97f16
SHA1 hash:
8007277a75a26dbbf6ddbf72c2d60595074b1c0c
Link:
https://www.unpac.me/results/1966c129-dae3-4f87-b462-c7c024f80b2a/
SH256 hash:
e3bdaf9e98eb65a070cf4424bc123e57ade151c41e4a0d375e769749155c1715
MD5 hash:
78a25e75b94923e889ecd100349facbe
SHA1 hash:
6b3f8db525d3c98f92ed480e664ab8ee9458340b
Link:
https://www.unpac.me/results/1966c129-dae3-4f87-b462-c7c024f80b2a/
SH256 hash:
2af6b1cfe8812e9e1679f3a6a58a158420e771341dbea64f4853d6966bb589b2
MD5 hash:
1ffd86f16e4530213e2e95c65763acdc
SHA1 hash:
5aa30911a8e7a2f3791061c866da3303464e3d86
Link:
https://www.unpac.me/results/1966c129-dae3-4f87-b462-c7c024f80b2a/
Malware family:
XLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/2af6b1cfe881/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/2af6b1cfe8812e9e1679f3a6a58a158420e771341dbea64f4853d6966bb589b2

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.

Web download

Formbook

Executable exe 2af6b1cfe8812e9e1679f3a6a58a158420e771341dbea64f4853d6966bb589b2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2068333/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/245942/

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