MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e8f40ad1b59a06f7e29b6626a46fd7d0023c3d82ba75dff99bd8e9a5d8ee054a. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e8f40ad1b59a06f7e29b6626a46fd7d0023c3d82ba75dff99bd8e9a5d8ee054a
SHA3-384 hash: cb24adc8548388dfb9f5cef8cc0df6406aa5341af3dbf440951548ba8930448e1e0b3e910d44a186366366881a0b1724
SHA1 hash: 64600da79d9758cddff404fe3f039fde23012746
MD5 hash: ec110679e176e4d737e9f2efac09a1aa
humanhash: bluebird-william-item-lamp
File name:Specification.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:654'336 bytes
First seen:2020-12-17 14:17:30 UTC
Last seen:2020-12-17 15:36:01 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 12288:7ukVUlTwpZ4MAIRWrn5xoU8bDA6FtyRQu/KoApMTjhAg3qH1VuU/zlHWCL:1VAOIn56qeoRQuCvpMfo1nhHWC
Threatray 1'884 similar samples on MalwareBazaar
TLSH EFD41268339C9B37DAAE9BFC9521110507F19A7A76E2F35D8EC034E61E363C04846B97
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
189
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Specification.exe
Verdict:
Malicious activity
Analysis date:
2020-12-17 14:35:25 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/48e97b79-6bc6-486c-abcb-1970ea469607

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.405.13642.8496.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Moving of the original file
Enabling autorun by creating a file
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/565440
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
May check the online IP address of the machine
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)
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 331806 Sample: Specification.exe Startdate: 17/12/2020 Architecture: WINDOWS Score: 100 61 smtp.yandex.ru 2->61 63 smtp.yandex.com 2->63 79 Found malware configuration 2->79 81 Multi AV Scanner detection for dropped file 2->81 83 Sigma detected: Scheduled temp file as task from temp location 2->83 85 7 other signatures 2->85 8 Specification.exe 6 2->8         started        12 Pcjubwm.exe 5 2->12         started        14 Pcjubwm.exe 4 2->14         started        signatures3 process4 file5 41 C:\Users\user\AppData\...\bSuTbgYelNC.exe, PE32 8->41 dropped 43 C:\Users\user\AppData\Local\...\tmpF763.tmp, XML 8->43 dropped 45 C:\Users\user\...\Specification.exe.log, ASCII 8->45 dropped 87 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->87 89 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->89 91 Injects a PE file into a foreign processes 8->91 16 Specification.exe 17 9 8->16         started        21 schtasks.exe 1 8->21         started        93 Multi AV Scanner detection for dropped file 12->93 23 Pcjubwm.exe 12->23         started        25 schtasks.exe 12->25         started        27 Pcjubwm.exe 14->27         started        29 schtasks.exe 14->29         started        signatures6 process7 dnsIp8 47 smtp.yandex.ru 77.88.21.158, 49751, 49752, 49755 YANDEXRU Russian Federation 16->47 49 elb097307-934924932.us-east-1.elb.amazonaws.com 23.21.252.4, 443, 49750, 49753 AMAZON-AESUS United States 16->49 55 3 other IPs or domains 16->55 37 C:\Users\user\AppData\Roaming\...\Pcjubwm.exe, PE32 16->37 dropped 39 C:\Users\user\...\Pcjubwm.exe:Zone.Identifier, ASCII 16->39 dropped 65 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->65 67 Moves itself to temp directory 16->67 69 Tries to steal Mail credentials (via file access) 16->69 71 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->71 31 conhost.exe 21->31         started        51 smtp.yandex.com 23->51 57 2 other IPs or domains 23->57 73 Tries to harvest and steal ftp login credentials 23->73 75 Tries to harvest and steal browser information (history, passwords, etc) 23->75 77 Installs a global keyboard hook 23->77 33 conhost.exe 25->33         started        53 54.225.66.103, 443, 49754 AMAZON-AESUS United States 27->53 59 2 other IPs or domains 27->59 35 conhost.exe 29->35         started        file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e8f40ad1b59a06f7e29b6626a46fd7d0023c3d82ba75dff99bd8e9a5d8ee054a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-17 03:41:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5d2avunvtidppyu3mytki36x2abdypmcxj2576m33du2lwhoavfa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
12885b0462e6977afc7c42d03c8e039a5df25f70b610177b8e02f6642847584b
AgentTesla
1b80f30f0ee26805d860b7443b35190a7a5c93e159585b4ebef9419fc98e1b04
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3be787bec6c661048c534c126761c2be937e70cb5ce8f1922cca5f4f22106b54
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5994f45fc95b80beb8ef828728bd8248455a7f2c503b025be6991a700ecbbf53
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61060fa22e8fe8c29f2cd7b2b4b9bc4d350fc9331a6dfcbc2f873bec00f6818d
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701607597adc3999cb756b5e5205febaf4698ce20a3604e6ad79e49dfd060671
AgentTesla
8d10af8f247bb74f1a3d0878785f3afa173c82d4c881f29dd5b60ea6ed5f6b90
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aa393d05907175f17a9e6d12293e49f828270a18b73f02262401122e4101b7cf
AgentTesla
b8b373ce2f5835b617f904b50e5e594232982967ea1a12b35bd085c83aa057bb
AgentTesla
e2b7ea3f36ee9c137c8b52e44c82965f11ccb6c61ad037402416b2c75a532a1e
AgentTesla
+ 1'874 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/201217-r3jb3s1lt6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
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:
e8f40ad1b59a06f7e29b6626a46fd7d0023c3d82ba75dff99bd8e9a5d8ee054a
MD5 hash:
ec110679e176e4d737e9f2efac09a1aa
SHA1 hash:
64600da79d9758cddff404fe3f039fde23012746
Link:
https://www.unpac.me/results/d04b5d8f-6da5-4051-b345-e61c31912654/
SH256 hash:
94f488d164dd3ac55001340fc58e7f4474cdf15faf661921d00b70157fd54857
MD5 hash:
54326d030c4d7fa0e54bc2236b9f27b0
SHA1 hash:
458aba0173274f5232768a6a24ee3d05d4fe3264
Link:
https://www.unpac.me/results/d04b5d8f-6da5-4051-b345-e61c31912654/
SH256 hash:
e82763548e546e6b5c94768d571f9ec936d679f8d37b98e6552c58ccb2d89e42
MD5 hash:
a62004e5c04ad9cbdd25171a7acfce39
SHA1 hash:
bc504248a51305eb62400d5eea47a216e0d36f0f
Link:
https://www.unpac.me/results/d04b5d8f-6da5-4051-b345-e61c31912654/
SH256 hash:
e83cef9cfa4e2ea30e28843e43c60ebf8f6590fb753ad0aa5ed1123c01280527
MD5 hash:
bf99ee5fbf42797bd1ade95b109d634c
SHA1 hash:
e02abfdbca94a24a36b47d49a28360b79aabd294
Link:
https://www.unpac.me/results/d04b5d8f-6da5-4051-b345-e61c31912654/
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/e8f40ad1b59a06f7e29b6626a46fd7d0023c3d82ba75dff99bd8e9a5d8ee054a

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
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.

  
Delivery method
Other

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