MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51e303f4c39869638107cfb14797e74be8bdc29656823d64837e4113b09027fe. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51e303f4c39869638107cfb14797e74be8bdc29656823d64837e4113b09027fe
SHA3-384 hash: e86f154d5a87475790df796c30210451bc4fea51b36176faebe593ec86281d54a23a373544785597fdedf54faf213675
SHA1 hash: 2a646078da46cd40d38676279b89590a3387158c
MD5 hash: 01801bcb2c837e5f8b26843588eb0d66
humanhash: berlin-mars-mirror-green
File name:REQUIREMENTS.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:848'384 bytes
First seen:2021-12-16 06:52:10 UTC
Last seen:2021-12-16 08:41:59 UTC
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:W6MMEMsYyQLp7auULNOiuJEIVpMpWX9CtyKjyQmL5yp7Yz9FIPx9:W6DE5Zw3ULNOiuJEIVpR9CUX9HnMr
TLSH T1F805CF8A2CC68591F83BFFB188B026F716B29FE1ED41DADDD48436D9B976B508B44031
File icon (PE):PE icon
dhash icon 5cfadc8caaf2fefe (2 x AgentTesla, 1 x Formbook, 1 x AsyncRAT)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
271
Origin country :
n/a
Vendor Threat Intelligence
Detection:
IcedID
Create hunting rule
Link:
https://www.capesandbox.com/analysis/214441/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.22240.24320.8513.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61bae25081d232372003ed72/reports/4ad5d634-4fcb-4b30-aeda-e7d385742893/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:
Unknown
Link:
https://analyze.intezer.com/analyses/09f379e9-8128-4e63-b1f1-50258af5a391
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/908275
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
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: Suspicius Add Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 540753 Sample: REQUIREMENTS.exe Startdate: 16/12/2021 Architecture: WINDOWS Score: 100 29 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->29 31 Found malware configuration 2->31 33 Yara detected AgentTesla 2->33 35 8 other signatures 2->35 7 REQUIREMENTS.exe 6 2->7         started        process3 file4 19 C:\Users\user\AppData\...\rPQQGhXKNI.exe, PE32 7->19 dropped 21 C:\Users\user\AppData\Local\...\tmp79B4.tmp, XML 7->21 dropped 23 C:\Users\user\...\REQUIREMENTS.exe.log, ASCII 7->23 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->39 41 Uses schtasks.exe or at.exe to add and modify task schedules 7->41 11 REQUIREMENTS.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 25 translogship.co.in 103.50.163.138, 49816, 587 PUBLIC-DOMAIN-REGISTRYUS India 11->25 27 mail.translogship.co.in 11->27 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file / registry access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 Tries to harvest and steal browser information (history, passwords, etc) 11->49 17 conhost.exe 15->17         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/51e303f4c39869638107cfb14797e74be8bdc29656823d64837e4113b09027fe/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-16 06:53:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=khrqh5gdtbuwhaihz6yupf7hjpul3quwk2bd2zedpzarhmeqe77a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/211216-hnmrjabdb3/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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:
0a67a3f7181c9b1a8051734a939d594a646948e756ced07976db3bea472d7fa8
MD5 hash:
da6c8efbfba32ff7e5edc654070ee141
SHA1 hash:
d1d4b9e95ee88aeb64e7ec43e244bda43db793b3
Link:
https://www.unpac.me/results/939fa55d-d3a3-4bd8-9ebf-1759c0d6653c/
SH256 hash:
8d3d21f8dd46a437ffd93300fe62a0cfd4a2c9f4eba3ff4b8408e72738dce68d
MD5 hash:
9dabe9d1affe293b9533be91145565f5
SHA1 hash:
80ade22a0e97ab308103a81f29f2ba80322692af
Link:
https://www.unpac.me/results/939fa55d-d3a3-4bd8-9ebf-1759c0d6653c/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/939fa55d-d3a3-4bd8-9ebf-1759c0d6653c/
SH256 hash:
51e303f4c39869638107cfb14797e74be8bdc29656823d64837e4113b09027fe
MD5 hash:
01801bcb2c837e5f8b26843588eb0d66
SHA1 hash:
2a646078da46cd40d38676279b89590a3387158c
Link:
https://www.unpac.me/results/939fa55d-d3a3-4bd8-9ebf-1759c0d6653c/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/51e303f4c398/report/overview.html
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/51e303f4c39869638107cfb14797e74be8bdc29656823d64837e4113b09027fe

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: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 51e303f4c39869638107cfb14797e74be8bdc29656823d64837e4113b09027fe

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/214441/

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