MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d144214208755e53c3a4b855959f4dd3583b24e8a09c3b9d795fa8633718e0e. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2d144214208755e53c3a4b855959f4dd3583b24e8a09c3b9d795fa8633718e0e
SHA3-384 hash: 718b6d7fe1b6196597746dd9a54ca06519b28b860c406c1f45e518cff5edb7fe7e7d22660b90857565211b1ca2dde3d3
SHA1 hash: a4b32d51e635b572f093775e32c215d8c31a6d2d
MD5 hash: 0d6a5bd4966ca3acd0b201209f3718fc
humanhash: leopard-triple-princess-yankee
File name:fattura.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:695'296 bytes
First seen:2020-10-14 15:20:24 UTC
Last seen:2020-10-14 15:57:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:xcDktAhUUJgZ8F6T7RAtjT1jh4nlxluYH3Qc+OwxJiao149jDuPm6pGRyoRMUvrS:241hA+MT1jmnduM3sCWvuPmmGs8
Threatray 537 similar samples on MalwareBazaar
TLSH 2CE4CF9C366075EFC86BCD36CA641C64EA2074B7970BC213A05726AD9A0DADBCF145F3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

From: trecommerciale@biacchiettore.it
Subject: Pagamento del saldo
Attachment: fattura.arj (contains "fattura.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/70875/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.jc.24935.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Moving of the original file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/491262
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted 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)
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 AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 298170 Sample: fattura.exe Startdate: 14/10/2020 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected AgentTesla 2->47 49 3 other signatures 2->49 6 fattura.exe 3 2->6         started        10 YYtJku.exe 3 2->10         started        12 YYtJku.exe 2 2->12         started        process3 file4 23 C:\Users\user\AppData\...\fattura.exe.log, ASCII 6->23 dropped 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->51 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->53 55 Injects a PE file into a foreign processes 6->55 14 fattura.exe 2 5 6->14         started        57 Multi AV Scanner detection for dropped file 10->57 59 Machine Learning detection for dropped file 10->59 61 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 10->61 19 YYtJku.exe 2 10->19         started        21 YYtJku.exe 2 12->21         started        signatures5 process6 dnsIp7 29 smtp.yandex.ru 77.88.21.158, 49746, 587 YANDEXRU Russian Federation 14->29 31 192.168.2.1 unknown unknown 14->31 33 smtp.yandex.com 14->33 25 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 14->25 dropped 27 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 14->27 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Moves itself to temp directory 14->37 39 Tries to steal Mail credentials (via file access) 14->39 41 3 other signatures 14->41 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2d144214208755e53c3a4b855959f4dd3583b24e8a09c3b9d795fa8633718e0e/
Threat name:
ByteCode-MSIL.Infostealer.Stelega
Create hunting rule
Status:
Malicious
First seen:
2020-10-14 15:22:09 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fukeefbaq5k6kpb2jocvswpu3u2yhmsorie4hooxsx5imm3rryha._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
3d281e94d3e3d6dc20818716a5b45e09803a5e8cace71615d950d086b563cc40
AgentTesla
44c8acbbe1fdbcab7397c03bc91d5d3f440ec11f6358974e4bcc27ee28a4b838
AgentTesla
46df88abb8b7f783add8e2688ed3fc2632020fc30f6a87172264a4f434af2524
AgentTesla
493ba8398eed500e3af5e0ae2ea45fa5bfdfbc6371bf67a17ee20c050c117927
AgentTesla
757d376a5edc5d260ab3fb209797dbbdf3ce43f6331432174b1398f14e723e20
AgentTesla
aa996e1467f78b4965e61fc6ad87982814a0d1f10260593e63216af6e15a69f4
AgentTesla
bd5f6e5567639e5e1c4619a02ff2db2eb3242cd6e25e50f7b7559202fc7f061c
AgentTesla
ca23807d51b989324e04dafc821c7611cf0ee25d04aa9a20c41a6b92303ca81f
AgentTesla
ef261cab960c0d90f77d39e3b5405aec8e2ff2bf220f1ebe594807f3fa5cd6fb
AgentTesla
ffbc4a39ad58fc82025ec9dd1abcba049dc7c66a1ccb8b71fe2171e65f41b526
AgentTesla
+ 527 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Link:
https://tria.ge/reports/201014-p4a53jc5ex/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
Unpacked files
SH256 hash:
607f04646c9f16f7c23fa69d4b8f660fc7c44d40e4f73a0c70a2b315debdaa8b
MD5 hash:
a90baadadf904455325f7bc787185c7b
SHA1 hash:
7d833bb819d638008c98be469b05db2feaf201cd
Link:
https://www.unpac.me/results/d56645d2-2f89-4ca1-a76e-be55589fddc6/
SH256 hash:
4b8335159ba9aa28bc2b56b1003af4399ebfaa39e1dff3395f05c7c93e35c0f1
MD5 hash:
66cf8f0ef67b45af11ae6bbc7c047fff
SHA1 hash:
9ca643cc00b1277dc90399f62aee48367cbd03f2
Link:
https://www.unpac.me/results/d56645d2-2f89-4ca1-a76e-be55589fddc6/
SH256 hash:
8c0acf694e5294a1481aeca2d25d957331b4b5b7a9d1142064554ab5b266f911
MD5 hash:
84a156a20b4a61755036d2b28c805867
SHA1 hash:
e23e16401e8051257a21d39107c0eab17adaf9a2
Link:
https://www.unpac.me/results/d56645d2-2f89-4ca1-a76e-be55589fddc6/
SH256 hash:
2d144214208755e53c3a4b855959f4dd3583b24e8a09c3b9d795fa8633718e0e
MD5 hash:
0d6a5bd4966ca3acd0b201209f3718fc
SHA1 hash:
a4b32d51e635b572f093775e32c215d8c31a6d2d
Link:
https://www.unpac.me/results/d56645d2-2f89-4ca1-a76e-be55589fddc6/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/2d144214208755e53c3a4b855959f4dd3583b24e8a09c3b9d795fa8633718e0e

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Malspam

AgentTesla

arj c1531fe90666f0a561c2b447487267d3a64fa74cce53c2ea4258db0b40a211a9

AgentTesla

Executable exe 2d144214208755e53c3a4b855959f4dd3583b24e8a09c3b9d795fa8633718e0e

(this sample)

  
Dropped by
MD5 34ae54d3180179bff0bc987a77b9ee05
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/70875/
  
Dropped by
SHA256 c1531fe90666f0a561c2b447487267d3a64fa74cce53c2ea4258db0b40a211a9

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