MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55948fede55c398fce76d97b8316d5da6f958b08746a33f0cdaf4e016f0a1e15. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 55948fede55c398fce76d97b8316d5da6f958b08746a33f0cdaf4e016f0a1e15
SHA3-384 hash: a7ef9239d6e623b8cc2a507f681446554fd1ca6f79646f1b9e6ce16785863f831bb88be5eff48aad6fbda38abcd3e16a
SHA1 hash: b461d1f6033b9934a1fe8238482017b8890e619f
MD5 hash: a57320d6ff7e38e5fe6f5e3c0598b9b3
humanhash: paris-magnesium-one-fifteen
File name:Dongha 2020 statement _dongha.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:481'280 bytes
First seen:2020-12-03 08:30:16 UTC
Last seen:Never
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:uR3Wqr5YoOcmolFramxMshAYG74ie4jn:uJ51Y5cmZrs+kqj
Threatray 1'634 similar samples on MalwareBazaar
TLSH C9A4F17232593A9AEB7A0E74047421841E7639375B38D6DCBDC6115E68F370A9F20EB3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.fpcci.org.pk
Sending IP: 124.29.202.181
From: 강신아 <sa894@dongha.co>
Reply-To: ''강신아'' <cbuccioliatlgroupit@vivaldi.net>
Subject: Dongha 2020 statement _dongha
Attachment: Dongha 2020 statement _dongha.zip (contains "Dongha 2020 statement _dongha.exe")

AgentTesla SMTP exfil server:
mail.shamstone.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/106539/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.6091.30156.18542.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
Enabling autorun by creating a file
Result
Gathering data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/554417
Signature
.NET source code contains potential unpacker
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
May check the online IP address of the machine
Modifies the hosts 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
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 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: 326307 Sample: Dongha 2020 statement _dongha.exe Startdate: 03/12/2020 Architecture: WINDOWS Score: 100 59 g.msn.com 2->59 69 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->69 71 Found malware configuration 2->71 73 Sigma detected: Scheduled temp file as task from temp location 2->73 75 10 other signatures 2->75 8 Dongha 2020 statement _dongha.exe 6 2->8         started        12 kprUEGC.exe 5 2->12         started        14 kprUEGC.exe 2->14         started        signatures3 process4 file5 47 C:\Users\user\AppData\Roaming\egEOGIIOe.exe, PE32 8->47 dropped 49 C:\Users\user\AppData\Local\...\tmpC51A.tmp, XML 8->49 dropped 51 C:\...\Dongha 2020 statement _dongha.exe.log, ASCII 8->51 dropped 77 Injects a PE file into a foreign processes 8->77 16 Dongha 2020 statement _dongha.exe 17 5 8->16         started        21 schtasks.exe 1 8->21         started        23 Dongha 2020 statement _dongha.exe 8->23         started        33 2 other processes 8->33 79 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->79 81 Machine Learning detection for dropped file 12->81 83 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 12->83 25 schtasks.exe 1 12->25         started        27 kprUEGC.exe 2 12->27         started        29 kprUEGC.exe 14->29         started        31 schtasks.exe 14->31         started        signatures6 process7 dnsIp8 53 shamstone.com 67.205.125.37, 49729, 587 IWEB-ASCA Canada 16->53 55 mail.shamstone.com 16->55 57 3 other IPs or domains 16->57 41 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 16->41 dropped 43 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 16->43 dropped 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->61 63 Tries to steal Mail credentials (via file access) 16->63 65 Tries to harvest and steal ftp login credentials 16->65 67 3 other signatures 16->67 35 conhost.exe 21->35         started        37 conhost.exe 25->37         started        45 C:\Windows\System32\drivers\etc\hosts, ASCII 29->45 dropped 39 conhost.exe 31->39         started        file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/55948fede55c398fce76d97b8316d5da6f958b08746a33f0cdaf4e016f0a1e15/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-03 08:31:06 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kwki73pflq4y7ttw3f5ygfwv3jxzlcyiorvdh4gnv5hac3ykdykq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
09b7bf15736eeb15efdae06322e1aa1e8f960d3264aa380ab0ba05a348aadca6
AgentTesla
13dcde3e9c6f160ab11c94f84aba6b7a1b802126258e59f872fd1ae61ce8ff64
AgentTesla
72072c06a5fe2aa1ebf6d2d0b8882c1e11565bed693b2cff1be63a228b26886b
AgentTesla
72ad22e7df09e217184e472645352c8bfe28a44afe5fda4659f4082268d33da3
AgentTesla
9b21045796c15c4348f79483c825882c491de047a0ca577e0eb6ba770c60e9f6
AgentTesla
ac4bc198b74ee90e9ae296353856fe12fc688a42bdeb2b8b9b4f6c2923cd668a
AgentTesla
ba3548566c5eda9447bd910346549f92ecc5cd51f959f51cc7bc836a2ce49501
AgentTesla
e3a91686f76e269f4adb652961ecbc785968c32d617ce19a620050894f13b184
AgentTesla
f90cf6686fcfe69bb074cf65a5b7e19c8e97b1351377faa7a2477577d4171de8
AgentTesla
fdac92b0fe7d038bfdfa12127cae944e95dff1ef54684923785701d9e92dfaf4
AgentTesla
+ 1'624 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/201203-p5fdn63x4j/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Drops file in Drivers directory
AgentTesla
Unpacked files
SH256 hash:
c88a66cbf00b12c88e2b970b8bc220e970e8465e56098ced24e97d42be901b94
MD5 hash:
a60401dc02ff4f3250a749965097e13f
SHA1 hash:
3f22d28fd765f831084cb972a8bd071e421c26a1
Link:
https://www.unpac.me/results/1ff17ec8-0edd-4be1-8cf4-ea56a63646e4/
SH256 hash:
013f50f94984ee6d5c935b4733a598faa6f1935031862e68863ad632482822a5
MD5 hash:
9dd4ea45b85159791f9614052ec934d0
SHA1 hash:
839ccf122e6a9268b6645bffa608d77d8aa08324
Link:
https://www.unpac.me/results/1ff17ec8-0edd-4be1-8cf4-ea56a63646e4/
SH256 hash:
f5d5d5dc94c04648bddf42ea1153c355763e386c10ce1fae69d2baa06e40a6fa
MD5 hash:
6b84904e9b4d31a5215f3fd77f1f2652
SHA1 hash:
850dbf124b3159f96a61f328daede12bda96d66c
Link:
https://www.unpac.me/results/1ff17ec8-0edd-4be1-8cf4-ea56a63646e4/
SH256 hash:
55948fede55c398fce76d97b8316d5da6f958b08746a33f0cdaf4e016f0a1e15
MD5 hash:
a57320d6ff7e38e5fe6f5e3c0598b9b3
SHA1 hash:
b461d1f6033b9934a1fe8238482017b8890e619f
Link:
https://www.unpac.me/results/1ff17ec8-0edd-4be1-8cf4-ea56a63646e4/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/55948fede55c398fce76d97b8316d5da6f958b08746a33f0cdaf4e016f0a1e15

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

zip d2cf8d0869e5442dc8489b7445a5fa9ff5c8080056c7113f9967ddcc39c2389d

AgentTesla

Executable exe 55948fede55c398fce76d97b8316d5da6f958b08746a33f0cdaf4e016f0a1e15

(this sample)

  
Dropped by
MD5 19337aa495f0fdf40842837532a31fab
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/106539/
  
Dropped by
SHA256 d2cf8d0869e5442dc8489b7445a5fa9ff5c8080056c7113f9967ddcc39c2389d

Comments