MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35fd92f42dd1700e15f8889c73604ec0c005cd9d1d1e30adb6d439091e58f464. 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 5 File information Comments 1
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SHA256 hash: 35fd92f42dd1700e15f8889c73604ec0c005cd9d1d1e30adb6d439091e58f464
SHA3-384 hash: 23d0586fe798cbe00d82ca98126d36ebe5a36270c6b9dcefd0ed2dcd4fe49e49dc821f6198ac331b40f8612caa968cfa
SHA1 hash: 0cd3084933e0bb4cb68f0b1843ac8d31690798da
MD5 hash: e0ff85b978c48f247b89eed15d8b0eea
humanhash: connecticut-indigo-asparagus-mars
File name:e0ff85b978c48f247b89eed15d8b0eea
Download: download sample
Signature Formbook
Create hunting rule
File size:458'752 bytes
First seen:2022-03-14 20:25:16 UTC
Last seen:2022-04-20 09:54:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:qRI/s/1fLqlgLqNPORVTD9Z8+RWEDlS53YMLrPrGS:Ns/pLNQOLD9Z5FlXirPh
Threatray 136 similar samples on MalwareBazaar
TLSH T19BA4BE4EDB5BC161DA3E5F366B762B702798FF65E9B3C21B94D43CE02A1B2A41C520C4
File icon (PE):PE icon
dhash icon 16174db2a88e9620 (26 x BitRAT, 16 x AsyncRAT, 9 x AveMariaRAT)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
6
# of downloads :
175
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/250433/
Detection(s):
SecuriteInfo.com.EXE.Obfus-4.UNOFFICIAL
Create hunting rule

Win.Trojan.EmbeddedDotNetBinary-9940868-0
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/622fa4dfdfdfa8501c9fdc54/reports/5030d72c-9ae4-47c8-80ed-203ffd4f3922/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ec4868dc-3d9e-47f9-abcc-0fdb81dcd16e
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/956527
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 589011 Sample: 12A0UeDSpE Startdate: 14/03/2022 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus / Scanner detection for submitted sample 2->48 50 6 other signatures 2->50 7 12A0UeDSpE.exe 1 7 2->7         started        11 Jrtkiijgc.exe 3 2->11         started        13 Jrtkiijgc.exe 3 2->13         started        process3 file4 36 C:\Users\user\AppData\...\Jrtkiijgc.exe, PE32 7->36 dropped 38 C:\Users\...\Jrtkiijgc.exe:Zone.Identifier, ASCII 7->38 dropped 40 C:\Users\user\AppData\...\12A0UeDSpE.exe.log, ASCII 7->40 dropped 52 Writes to foreign memory regions 7->52 54 Allocates memory in foreign processes 7->54 56 Injects a PE file into a foreign processes 7->56 15 MSBuild.exe 2 7->15         started        18 cmd.exe 1 7->18         started        58 Antivirus detection for dropped file 11->58 60 Multi AV Scanner detection for dropped file 11->60 62 Machine Learning detection for dropped file 11->62 20 cmd.exe 1 11->20         started        22 cmd.exe 1 13->22         started        signatures5 process6 dnsIp7 42 212.193.30.54, 49769, 49771, 49776 SPD-NETTR Russian Federation 15->42 24 conhost.exe 18->24         started        26 timeout.exe 1 18->26         started        28 conhost.exe 20->28         started        30 timeout.exe 1 20->30         started        32 conhost.exe 22->32         started        34 timeout.exe 1 22->34         started        process8
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/35fd92f42dd1700e15f8889c73604ec0c005cd9d1d1e30adb6d439091e58f464/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-14 14:48:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
03ddd7fbc456dfe2408a00727347e029a2b2ad6bd870ff10c324d94baf57dcfa
Formbook
2bea53a14d59fc7d772ea805af47b3b8ddddbf201a7e8d9e7ebd7ca422702a30
Formbook
34694c57b7447b59d6bc6a2dba635fa320a4d4b1e550a36840fe1f2208b76d87
Formbook
463ca08ac1072947eaa864e2f94e3703b1e9826543e194be0b45e2aa20331872
Formbook
654fee180d29661e28f504f62affb32a366e1ba97b01cc8de69854e8bc032b63
Formbook
65cea4d42f831236528dda4327e6ad7fb3b5baa7b53aeb181024f903829a7398
Formbook
ea31b5ce4282473fcb609cdc4c66649b2e79bbe96125b35954c015266f22a95c
Formbook
f33029e24b91f8df78503087ef57d1bedc4609c665119139de5fa908286fd74c
Formbook
+ 126 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:2 persistence rat
Link:
https://tria.ge/reports/220314-y7vjgsebck/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
212.193.30.54:9524
Unpacked files
SH256 hash:
8345ddff27b0caca2f15103d3923370b181ff649da90fb4d8942eae2b5bb6a70
MD5 hash:
5f258b671f95fdd2c446099533129d71
SHA1 hash:
6ef2aa40acf8130f0dd6455566122904a5ea2ac6
Link:
https://www.unpac.me/results/13efdf22-8ba3-4d72-b221-b0591313066c/
SH256 hash:
4fd4760069e892599978a1c52205f592c65e8473480dc3ea86113dd8435ee88a
MD5 hash:
817ce7e958f4ca77451298d64b4f0e50
SHA1 hash:
ebfb51595dc52169db6aebb1408435583e40c00f
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/13efdf22-8ba3-4d72-b221-b0591313066c/
Parent samples :
8b38234bb9f08443a05ab626ef0a38ccee43b302a81b8127cba39a39972b5eca
04225fc455d82d5149c57085c40b64b2148210a48a64518c55920f7baa079d43
ce465307961879325090f1e36cb599bd60fecd44386240d89fbb82c7fdd40799
756517220093a59e69e6db3de1846896d146600389f742503804f25ba6fa74dd
35fd92f42dd1700e15f8889c73604ec0c005cd9d1d1e30adb6d439091e58f464
a1010140f708dbc5ac52ef146bc31220d4b85e4623f2d29fddf2c302c77e9f6c
8c17fc5f9650514d14adc264f4534aa54b4d7b99180c10e8de837b54bee0f5e1
SH256 hash:
8e560ac86206a717a936a1df852b4fe2a19872384b08be94c9343c3e9264aca3
MD5 hash:
2d8f26ca3d6ebd54aa0e59e45e6d0cdd
SHA1 hash:
fe7db08158d9ffc7aef390aaa6ac701a678abc1a
Link:
https://www.unpac.me/results/13efdf22-8ba3-4d72-b221-b0591313066c/
SH256 hash:
35fd92f42dd1700e15f8889c73604ec0c005cd9d1d1e30adb6d439091e58f464
MD5 hash:
e0ff85b978c48f247b89eed15d8b0eea
SHA1 hash:
0cd3084933e0bb4cb68f0b1843ac8d31690798da
Link:
https://www.unpac.me/results/13efdf22-8ba3-4d72-b221-b0591313066c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/35fd92f42dd1700e15f8889c73604ec0c005cd9d1d1e30adb6d439091e58f464

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
Rule name:SUSP_Reverse_DOS_header
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects an reversed DOS header
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 35fd92f42dd1700e15f8889c73604ec0c005cd9d1d1e30adb6d439091e58f464

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2096944/
Cape
Cape
https://www.capesandbox.com/analysis/250433/

Comments


Avatar
zbet commented on 2022-03-14 20:25:17 UTC

url : hxxp://ddl8.data.hu/get/269569/13230864/Gtpkm.exe