MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2102918cac37cb9391a89d75b6ca67d48da1e50ddc88e822b373a4b65772d6e4. 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: 2102918cac37cb9391a89d75b6ca67d48da1e50ddc88e822b373a4b65772d6e4
SHA3-384 hash: 3bfa553bea045ad0d058f520ccba56655bb1a6fa7547fd02bcd7dc88284a7bc7783a319f366b0d84ea9a1f91c98d738c
SHA1 hash: 1f43a47b50b4ebd04e22e010d1e956106049bc51
MD5 hash: 3c3a1980f0d467d9fa7aba14726a4dcd
humanhash: yellow-california-harry-sierra
File name:TT COPY.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:780'288 bytes
First seen:2021-11-22 07:24:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:wYDoLzs2iNvuCtD00mAHgvpYOAgRzCIyJIuN9THB0fuDaaaaaT5Uaaaaa:wAKzs1HC0HACWx0Ic9rGfu
TLSH T185F47A6721FC65E3E12D37784017864E0F647F31E9339A1DAA7078F82B32F919516E8A
File icon (PE):PE icon
dhash icon 18c580ba2260e001 (11 x AgentTesla)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TT COPY.exe
Verdict:
Malicious activity
Analysis date:
2021-11-22 07:25:57 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/18c698bc-39a3-4391-bb8e-c5525eeb6a47

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS 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
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/619b45d2dd04e7d00e01d7c5/reports/849f67ea-25cc-4a46-abd2-7bf739187e4c/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/6b94e2fe-070b-4087-9530-65bb22e583be
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/893608
Signature
.NET source code contains potential unpacker
.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
Machine Learning detection for dropped file
Machine Learning detection for sample
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: 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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 526082 Sample: TT COPY.exe Startdate: 22/11/2021 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Found malware configuration 2->50 52 Yara detected AgentTesla 2->52 54 7 other signatures 2->54 7 TT COPY.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\DSSHZqw.exe, PE32 7->32 dropped 34 C:\Users\user\AppData\Local\...\tmp7C44.tmp, XML 7->34 dropped 36 C:\Users\user\AppData\...\TT COPY.exe.log, ASCII 7->36 dropped 56 Writes to foreign memory regions 7->56 58 Injects a PE file into a foreign processes 7->58 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.ralsonpetroindia.com 65.254.231.40, 49770, 587 BIZLAND-SDUS United States 15->38 28 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 15->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 15->30 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->40 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->42 44 Tries to steal Mail credentials (via file / registry access) 15->44 46 5 other signatures 15->46 26 conhost.exe 20->26         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2102918cac37cb9391a89d75b6ca67d48da1e50ddc88e822b373a4b65772d6e4/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2021-11-22 07:25:06 UTC
AV detection:
15 of 44 (34.09%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eebjddfmg7fzhenitv23nsth2sg2dzin3seoqivtooslmv3s23sa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211122-h8zltsaaa5/
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:
74185e744ac3a488fce92f38727bbc9d31dafb1e60a7ac06865f863db430b172
MD5 hash:
2e551a5514270bb10dcadda79857c2fb
SHA1 hash:
6d1edd94797d948c21b16260b9b99b660ef827c5
Link:
https://www.unpac.me/results/4eeab48b-5ad0-4f8b-a653-762246e6a141/
SH256 hash:
cd7bac88ebae8cf3a1c12dac526974ff82258ca9d291482f8ad5a4e7209c97df
MD5 hash:
31fa32c44ebd9d31e72383b102aa5989
SHA1 hash:
6193b86134e36e82f4cdf0bd3b4e5c25d9a3bba7
Link:
https://www.unpac.me/results/4eeab48b-5ad0-4f8b-a653-762246e6a141/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/4eeab48b-5ad0-4f8b-a653-762246e6a141/
SH256 hash:
2102918cac37cb9391a89d75b6ca67d48da1e50ddc88e822b373a4b65772d6e4
MD5 hash:
3c3a1980f0d467d9fa7aba14726a4dcd
SHA1 hash:
1f43a47b50b4ebd04e22e010d1e956106049bc51
Link:
https://www.unpac.me/results/4eeab48b-5ad0-4f8b-a653-762246e6a141/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/2102918cac37/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/2102918cac37cb9391a89d75b6ca67d48da1e50ddc88e822b373a4b65772d6e4

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 2102918cac37cb9391a89d75b6ca67d48da1e50ddc88e822b373a4b65772d6e4

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/208024/

Comments