MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2655dc19c1fbba64ea94b3de86d8cbe1ad1e8bdf0ef1234fd5717f6feae61f2. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a2655dc19c1fbba64ea94b3de86d8cbe1ad1e8bdf0ef1234fd5717f6feae61f2
SHA3-384 hash: 1f42ca4ba9e7c7d03da25c0213240e52c9019947ae4b3921e8379460a5a0126a978101c86367466e60c616ef55cb385f
SHA1 hash: 92ebdc371b50cd5bb80e765784e66c42e0762612
MD5 hash: 497555e84de2b4e6f9d43e92873dc719
humanhash: sierra-chicken-oregon-mexico
File name:UPDATED SOA.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:738'304 bytes
First seen:2022-01-16 20:51:52 UTC
Last seen:2022-01-16 22:46:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:13EHlMEA4MRKpInUxDjApc6lDDk9plyw6quVgujnA0J0Dk3AMCFUdDVF2VTCh:tKnDjAhlDDqpl1NuDAwuk3AMCFUdRmCh
Threatray 13'730 similar samples on MalwareBazaar
TLSH T1D9F48D3122A45E59F4BF9739177454488FF9B512E337EB5EAC8500BE0C21FA2C66A723
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
263
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
UPDATED SOA.exe
Verdict:
Malicious activity
Analysis date:
2022-01-16 20:54:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4efe9370-7213-4598-8b0b-a4cf58142a20

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/219656/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1121.24255.27034.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
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
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
expand.exe obfuscated packed reg.exe replace.exe update.exe
Link:
https://www.filescan.io/uploads/61e48576f2e8ec86fe08838a/reports/03dbc481-8e3c-4ce8-a555-133fc3e647ee/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:
Malicious
Link:
https://analyze.intezer.com/analyses/baab78ba-0356-4f98-9575-46ef56c85f17
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/921473
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
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
Modifies the hosts file
Multi AV Scanner detection for dropped 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: 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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 553951 Sample: UPDATED SOA.exe Startdate: 16/01/2022 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->50 52 Found malware configuration 2->52 54 Multi AV Scanner detection for dropped file 2->54 56 10 other signatures 2->56 7 UPDATED SOA.exe 6 2->7         started        11 tKZVPq.exe 2 2->11         started        13 tKZVPq.exe 1 2->13         started        process3 file4 32 C:\Users\user\AppData\Roaming\xdZONqb.exe, PE32 7->32 dropped 34 C:\Users\user\AppData\Local\...\tmp8F8C.tmp, XML 7->34 dropped 36 C:\Users\user\AppData\...\UPDATED SOA.exe.log, ASCII 7->36 dropped 58 Writes to foreign memory regions 7->58 60 Injects a PE file into a foreign processes 7->60 15 RegSvcs.exe 2 4 7->15         started        20 schtasks.exe 1 7->20         started        22 conhost.exe 11->22         started        24 conhost.exe 13->24         started        signatures5 process6 dnsIp7 38 mail.jindalpackaging.in 15->38 40 mail.jindalpackaging.in.cust.a.hostedemail.com 216.40.42.5, 49812, 587 TUCOWS-2CA Canada 15->40 28 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 15->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 15->30 dropped 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->44 46 Tries to steal Mail credentials (via file / registry access) 15->46 48 5 other signatures 15->48 26 conhost.exe 20->26         started        file8 signatures9 process10
Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-16 20:52:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
47
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ujsv3qm4d652mtvjjm66q3mmxynnd2f56dxrenh5k4l7n7vomhza._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1fc86c47ffbc922b4794aa568d681c4632cb69a41a3b89e6bca1c49cc87f0c1f
AgentTesla
4e1310dcbe61956354f58b7a45254e17974d431691e4eb21aebe8fcf92b8ef34
AgentTesla
606c0fba8a5d431c5e2f2def1d52fa9dd68d0fb9ae415c25ef7b3b8895317add
AgentTesla
7e8767e4d9b2e9e80c0f7b2a191efb788f77f6282a987c07e4ff6474d3092d0c
AgentTesla
a21e9d72d37a2bb09edd9e49e1751c766cfc86109bed201cb2026e111f3e1b56
AgentTesla
a2655dc19c1fbba64ea94b3de86d8cbe1ad1e8bdf0ef1234fd5717f6feae61f2
AgentTesla
+ 13'720 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220116-znqxmagbc4/
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
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
a1673b7001184d45f1669b79c23d0af109ce788c6d002469e68b89de53e90550
MD5 hash:
f7147c12319f6f5db9181e5e7df6409c
SHA1 hash:
8b0dc0f664293104d17d65e52d984cb4b4c39482
Link:
https://www.unpac.me/results/e7f5d0ad-3b61-4bc5-af36-0c76172c7993/
SH256 hash:
87cbd775d6113eb0376740dfcfa3e3e3df23da8a0b24d534d77e095a5e10be48
MD5 hash:
4d134a0e104a11e2e668cfb407fbc0e4
SHA1 hash:
7226b11ebb7ed9dff36f27579274b9dd777c8c1b
Link:
https://www.unpac.me/results/e7f5d0ad-3b61-4bc5-af36-0c76172c7993/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/e7f5d0ad-3b61-4bc5-af36-0c76172c7993/
SH256 hash:
a2655dc19c1fbba64ea94b3de86d8cbe1ad1e8bdf0ef1234fd5717f6feae61f2
MD5 hash:
497555e84de2b4e6f9d43e92873dc719
SHA1 hash:
92ebdc371b50cd5bb80e765784e66c42e0762612
Link:
https://www.unpac.me/results/e7f5d0ad-3b61-4bc5-af36-0c76172c7993/
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/a2655dc19c1fbba64ea94b3de86d8cbe1ad1e8bdf0ef1234fd5717f6feae61f2

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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

Executable exe a2655dc19c1fbba64ea94b3de86d8cbe1ad1e8bdf0ef1234fd5717f6feae61f2

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/219656/

Comments