MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cbec1f939f7d969338a64c5b1e8db086b25c777cbadedc0017116d6a6ff3ef2d. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cbec1f939f7d969338a64c5b1e8db086b25c777cbadedc0017116d6a6ff3ef2d
SHA3-384 hash: cafd7d8a35881cd2e9535ad0d2ac0669d44b6c4c433af06bcec8557382567e553d2573f47b4203a4fcc619116dab48b2
SHA1 hash: ef1dc9f3198f6398c44172b87aad082d1bfdf4a8
MD5 hash: 270014754e78bbd93a5a54acdda6030a
humanhash: four-connecticut-high-hotel
File name:M!kaiXm 5372111_pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:501'760 bytes
First seen:2021-09-18 05:51:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:pWHCM2K4CzHHGXTKbuq/XR+CIceDfjTOwHcSPXsju/Fo:b3CzHHmubual7eDfjf8SPXz/
Threatray 9'967 similar samples on MalwareBazaar
TLSH T152B4CF343AFA921AF173AFB55BE079969A6FF7333702E55D1441038A4A13B80DEC153A
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
290
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
M!kaiXm 5372111_pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-18 05:52:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f8ec3234-8bb4-4ce2-ace2-e85d41d8f7f1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/188883/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1031-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d67349ed-fceb-4dc6-aed3-2ffa4979c7a0
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/853133
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Powershell Defender Exclusion
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 485564 Sample: M!kaiXm 5372111_pdf.exe Startdate: 18/09/2021 Architecture: WINDOWS Score: 100 48 Found malware configuration 2->48 50 Yara detected AgentTesla 2->50 52 Yara detected AntiVM3 2->52 54 10 other signatures 2->54 7 M!kaiXm 5372111_pdf.exe 4 2->7         started        11 xepul.exe 4 2->11         started        13 xepul.exe 2->13         started        process3 file4 36 C:\Users\user\...\M!kaiXm 5372111_pdf.exe.log, ASCII 7->36 dropped 56 Adds a directory exclusion to Windows Defender 7->56 58 Injects a PE file into a foreign processes 7->58 15 M!kaiXm 5372111_pdf.exe 2 9 7->15         started        20 powershell.exe 25 7->20         started        60 Multi AV Scanner detection for dropped file 11->60 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->62 64 Machine Learning detection for dropped file 11->64 66 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->66 22 powershell.exe 11->22         started        24 xepul.exe 11->24         started        26 xepul.exe 11->26         started        signatures5 process6 dnsIp7 38 mail.fclbd.com 192.185.76.91, 49782, 49783, 587 UNIFIEDLAYER-AS-1US United States 15->38 32 C:\Users\user\AppData\Roaming\...\xepul.exe, PE32 15->32 dropped 34 C:\Users\user\...\xepul.exe:Zone.Identifier, ASCII 15->34 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->40 42 Tries to steal Mail credentials (via file access) 15->42 44 Tries to harvest and steal ftp login credentials 15->44 46 3 other signatures 15->46 28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cbec1f939f7d969338a64c5b1e8db086b25c777cbadedc0017116d6a6ff3ef2d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-09-18 05:52:08 UTC
AV detection:
19 of 45 (42.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zpwb7e47pwljgofgjrnr5dnqq2zfy534xlpnyaaxcfwwu37t54wq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1a2b6238f4f28727686d60ab5dc696ba8b88672b123b8f18a8b05e7b6a4de4b0
AgentTesla
245e18b14a6b231f2a89b812dace828478aa24419d600e2ac8c7acd989320e1a
AgentTesla
3fdd6fb3ef8dc83279db7671263b4d7ea0fd896a3eebabe951ca86bd3cba7233
AgentTesla
745d7e099bc7b27dc1a92b85cb557aa62404c27fc1e0f6f04d5ba3735004bb77
AgentTesla
9b49a9b7baa2dd6642fcc3c97976f6f1ddb0f8d6b4261ce4b32583c75a572e4e
AgentTesla
ddb27dedce37040816b06a70f6375dd10b5fc2f5dbc412ec42b8798fe4240ffa
AgentTesla
f0f4aecb098f92a033355c2058300583967a7fbf00c81ce2f3ba250b8ae3e277
AgentTesla
+ 9'957 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210918-gj7qgaghh4/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
ad4a7895d529d5164302bb88596964ab42ff125bf0f5544418c80b6d438cb587
MD5 hash:
43ababb6b0a02907aad43084f12b10d9
SHA1 hash:
b60ba705891d5a666d64300181b475a46714ffa8
Link:
https://www.unpac.me/results/4e01031b-46cd-4e7c-8836-8cd1de9c37de/
SH256 hash:
405fca12683010e887efbe06b1f3025b6344013f461622729d78f68a45f21f5f
MD5 hash:
0329827ffdf54493de2e075ef5dd18db
SHA1 hash:
6fa6773030d20b9515b628cade7447c019315462
Link:
https://www.unpac.me/results/4e01031b-46cd-4e7c-8836-8cd1de9c37de/
SH256 hash:
fe719cd9110d5eafe69397e2f21d5a2b6c9221ff58672b1ea8e9c9827dee8f39
MD5 hash:
214410cbb705c3e0cf8c74881c4f14f6
SHA1 hash:
05655c9712ab50c3268f8fd8def2c4c35a66e0d8
Link:
https://www.unpac.me/results/4e01031b-46cd-4e7c-8836-8cd1de9c37de/
SH256 hash:
cbec1f939f7d969338a64c5b1e8db086b25c777cbadedc0017116d6a6ff3ef2d
MD5 hash:
270014754e78bbd93a5a54acdda6030a
SHA1 hash:
ef1dc9f3198f6398c44172b87aad082d1bfdf4a8
Link:
https://www.unpac.me/results/4e01031b-46cd-4e7c-8836-8cd1de9c37de/
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/cbec1f939f7d969338a64c5b1e8db086b25c777cbadedc0017116d6a6ff3ef2d

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
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

Executable exe cbec1f939f7d969338a64c5b1e8db086b25c777cbadedc0017116d6a6ff3ef2d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/188883/

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