MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b499cbf56149c33fc6e105f9121d8c985e5dff6f5e4201184a012673a94b98b4. 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


AgentTesla


Vendor detections: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b499cbf56149c33fc6e105f9121d8c985e5dff6f5e4201184a012673a94b98b4
SHA3-384 hash: 9b2692ca2e91778cd29c2971b8e208cf39947c1323a16e6062a8a8c07669bb77e255122cdb07b8e727df43d4b8f87bbf
SHA1 hash: b88086851b6386079bde76b55663f2d6c848def2
MD5 hash: 5c4d5da888c4d61825cf4d290a95abf5
humanhash: sink-saturn-music-spaghetti
File name:$45,000.00 USD.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:2'596'352 bytes
First seen:2023-03-17 08:04:51 UTC
Last seen:2023-03-17 13:16:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:PiboWCEJKwDNP5lc0oFZdX/JQ70PfZ78lXXgFbhr0fK73dlnZ0IXjA1tQ9:PiwE9hPXc0ohhQ7OfJ+6bhwfK7p
Threatray 400 similar samples on MalwareBazaar
TLSH T174C50C2DC82B0D2BD17ACA388EDD4733BD91681A321CDB7974F293FE9796482748245D
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
231
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
$45,000.00 USD.exe
Verdict:
Malicious activity
Analysis date:
2023-03-17 08:06:22 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1fa45f10-f061-4e1a-93a2-2b9594feb5db

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/374976/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Launching a process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
snake
Link:
https://www.filescan.io/uploads/64141f32b236355850d68608/reports/57ddda8a-4573-40fa-bc10-b02c88e0e9ad/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b499cbf56149c33fc6e105f9121d8c985e5dff6f5e4201184a012673a94b98b4
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/80d25aef-5d61-454b-9f62-90ab35fa1a92
Result
Threat name:
DarkTortilla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1195590
Signature
Creates an undocumented autostart registry key
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected DarkTortilla Crypter
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 828487 Sample: $45,000.00_USD.exe Startdate: 17/03/2023 Architecture: WINDOWS Score: 88 41 Multi AV Scanner detection for dropped file 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected DarkTortilla Crypter 2->45 47 2 other signatures 2->47 7 $45,000.00_USD.exe 3 2->7         started        process3 file4 31 C:\Users\user\...\$45,000.00_USD.exe.log, ASCII 7->31 dropped 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->49 11 cmd.exe 1 7->11         started        14 cmd.exe 3 7->14         started        signatures5 process6 file7 51 Uses ping.exe to sleep 11->51 53 Uses ping.exe to check the status of other devices and networks 11->53 17 reg.exe 1 1 11->17         started        20 PING.EXE 1 11->20         started        23 conhost.exe 11->23         started        33 C:\Users\user\AppData\Local\ayt.exe, PE32 14->33 dropped 35 C:\Users\user\...\ayt.exe:Zone.Identifier, ASCII 14->35 dropped 25 conhost.exe 14->25         started        27 PING.EXE 1 14->27         started        29 PING.EXE 1 14->29         started        signatures8 process9 dnsIp10 39 Creates an undocumented autostart registry key 17->39 37 127.0.0.1 unknown unknown 20->37 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b499cbf56149c33fc6e105f9121d8c985e5dff6f5e4201184a012673a94b98b4/
Threat name:
ByteCode-MSIL.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-03-16 22:56:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
14 of 39 (35.90%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wsm4x5lbjhbt7rxbax4rehmmtbpf373plzbacgckaethhkkltc2a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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4c21291a6890e6891831f113c48b40857a7ba0af0f13af3031425b81a1f2c776
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8ef9b3c33587021301faa8cdabb00949dcaeaeb1f3cd98dd7908677cc23bff69
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8fa5ac8d44ea6dceea6a581c52fe4e336be7a60c710c50d405833d2ceed7bcf4
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b6917728aa43cefe2b58d251ec69f3308e5d660d9bd4111428b476dbc9dd96ee
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b965e24c6a5a78fa2ca501ce7baaee2e36628608b0307e8c8cee3f32954d0f99
AgentTesla
+ 390 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
Link:
https://tria.ge/reports/230317-jyvessha9y/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Executes dropped EXE
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
1cf929a43f087d6fb9cbfdced5b368ce7436e3c8cdacb9c34a3aea5a6893c35e
MD5 hash:
b8ec056c97756691579be4d5b60dc908
SHA1 hash:
e865e4de5238a9db9ce0a3b5a367916dbfa05987
Link:
https://www.unpac.me/results/1dfb4b27-f58a-4ac3-ba70-ce5bb6269e23/
SH256 hash:
8ef9b3c33587021301faa8cdabb00949dcaeaeb1f3cd98dd7908677cc23bff69
MD5 hash:
744c250571669e39e44af8b29e72b066
SHA1 hash:
06584869ced6e0abf7bd21bb9c715e194f18819b
Link:
https://www.unpac.me/results/1dfb4b27-f58a-4ac3-ba70-ce5bb6269e23/
SH256 hash:
b499cbf56149c33fc6e105f9121d8c985e5dff6f5e4201184a012673a94b98b4
MD5 hash:
5c4d5da888c4d61825cf4d290a95abf5
SHA1 hash:
b88086851b6386079bde76b55663f2d6c848def2
Link:
https://www.unpac.me/results/1dfb4b27-f58a-4ac3-ba70-ce5bb6269e23/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/b499cbf56149c33fc6e105f9121d8c985e5dff6f5e4201184a012673a94b98b4

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

AgentTesla

r09 dfb670e4148832b572b17ca5f5de373158e47c05c76d0fb62483aaabc9e3db57

AgentTesla

Executable exe b499cbf56149c33fc6e105f9121d8c985e5dff6f5e4201184a012673a94b98b4

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 dfb670e4148832b572b17ca5f5de373158e47c05c76d0fb62483aaabc9e3db57
Cape
Cape
https://www.capesandbox.com/analysis/374976/
  
Dropped by
MD5 88517f571f00bf1fe37519a258243d04

Comments