MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4850ce25c3caf99fc7f558ec6666d08c43d69ed4e1be9a8fd37f289db69561ab. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4850ce25c3caf99fc7f558ec6666d08c43d69ed4e1be9a8fd37f289db69561ab
SHA3-384 hash: 977e332aa049afa7ac34864402b7dc10dde227f349cea0fb28115b57210dfd44c2fb0ac9195d207910dbe695fa9d7043
SHA1 hash: 68f28e839fc32aa4f2b62d8aaac49c8127b18e0a
MD5 hash: a189817dbab853329eb05c34f1c8e5e5
humanhash: nineteen-ten-muppet-virginia
File name:RFQ T7-30032020.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:714'197 bytes
First seen:2020-05-25 12:28:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 98f67c550a7da65513e63ffd998f6b2e (21 x SnakeKeylogger, 13 x MassLogger, 11 x CryptOne)
ssdeep 12288:GENN+T5xYrllrU7QY6l26SFjAtCHaod5rt3h2oiLnFL2BtnWzntv:K5xolYQY6RtC9Vt3LibFSBtnAN
Threatray 11'299 similar samples on MalwareBazaar
TLSH 9AE4BF2FAA84612FC8E789F0A466619AF7742C211B81BC0B26C5FF457476643B2F171F
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: btechnologiesgroup.com
Sending IP: 45.90.222.41
From: gm@btechnologiesgroup.com
Subject: RFQ T7-30032020 [BT TECHNOLOGIES (M) SDN BHD]
Attachment: RFQ T7-30032020.zip (contains "RFQ T7-30032020.exe")

AgentTesla SMTP exfil server:
smtp.fipco-sa.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packer.ProtectSharewar-2
Create hunting rule

PUA.Win.Packer.ProtectSharewar-3
Create hunting rule

Win.Virus.Sality
Create hunting rule

Win.Trojan.VBGeneric-6735885-0
Create hunting rule

Win.Virus.Sality-6747602-0
Create hunting rule

Win.Malware.Swisyn-6803865-0
Create hunting rule

Win.Malware.Swisyn-7610491-0
Create hunting rule

Win.Malware.Swisyn-7610494-0
Create hunting rule

Win.Trojan.Kazy-304
Create hunting rule

Gathering data
Threat name:
Win32.Trojan.Swisyn
Create hunting rule
Status:
Malicious
First seen:
2020-05-25 12:41:22 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
30 of 31 (96.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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642ce48af8f6fb3c7a74225655ef59a92e7cd4fcb98dc4af02359fb3490a9c55
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b3088a313a00c6774cb853379f427ffaab01a528a4561f814e2c7af24e5bfba2
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c4a2c8397cfa4f7f16a317aad541b6c48e35c4420249f702b2c6f01faf66ef61
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cec38c876e658a18717696c04a1d0cb58a47b715403ddff8f91726abf01823f6
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cf02bb3aa058cc571d6c3368f98a96fefa3db05a813ea479d002edc1c3cbdb95
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d807dcfd04f5d5eac71522a29a6911c504039edb6277ba9b35953ca9f5fcef8f
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e2784c7f18addfe3cf107b35eae017eb8d02025fec8bc9d235a7ba598fcd9b62
AgentTesla
+ 11'289 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-ad927tcwxa/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
Modifies Installed Components in the registry
AgentTesla Payload
AgentTesla
Modifies WinLogon for persistence
Modifies visiblity of hidden/system files in Explorer
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

zip 3dfd5cf8a8661a448ac86d4aad831509092bb63556cdea451b8e93f6b678532d

AgentTesla

Executable exe 4850ce25c3caf99fc7f558ec6666d08c43d69ed4e1be9a8fd37f289db69561ab

(this sample)

  
Dropped by
MD5 0a8eef7cbc93852517a554b1a13f31cb
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 3dfd5cf8a8661a448ac86d4aad831509092bb63556cdea451b8e93f6b678532d

Comments