MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82cfc9f121704890681aff78f1efab387f2295b7925fb13510176d9a2668abc8. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 82cfc9f121704890681aff78f1efab387f2295b7925fb13510176d9a2668abc8
SHA3-384 hash: 31c1855b32d74480f04a83223fd880896cd56d5c64e73ef5e6cffa393fcc31c62d3a06b7016e62467587c8dda72f01ee
SHA1 hash: 5c916b37b635744f03c19397982240f933019bc9
MD5 hash: 1641d8dbef26afd78dd6b347eac2defe
humanhash: yankee-leopard-early-texas
File name:Archived.doc.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:930'816 bytes
First seen:2021-02-05 06:19:24 UTC
Last seen:2021-02-05 08:09:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'471 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:IqHOZlSnxttmv4XrkXLp0FhfJgNhtKrnPN3:qZQtt6SPfyYrF3
Threatray 2'726 similar samples on MalwareBazaar
TLSH 3615BDAC366075DFC917CD76CEA86C64EA6064B7570BD203902319ECAA0DADBDF045F2
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
129
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Archived.doc.exe
Verdict:
Malicious activity
Analysis date:
2021-02-05 07:17:02 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d52e2ed2-92ab-48e4-8eae-9726ae7a1062

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/115707/
Detection(s):
SecuriteInfo.com.Artemis1641D8DBEF26.24922.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/600015
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted 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: Suspicious Double Extension
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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 349031 Sample: Archived.doc.exe Startdate: 05/02/2021 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 8 other signatures 2->53 6 kprUEGC.exe 3 2->6         started        9 Archived.doc.exe 3 2->9         started        12 kprUEGC.exe 2->12         started        process3 file4 55 Antivirus detection for dropped file 6->55 57 Multi AV Scanner detection for dropped file 6->57 59 Detected unpacking (changes PE section rights) 6->59 61 Machine Learning detection for dropped file 6->61 14 kprUEGC.exe 2 6->14         started        21 C:\Users\user\...\Archived.doc.exe.log, ASCII 9->21 dropped 63 Detected unpacking (overwrites its own PE header) 9->63 65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->65 67 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->67 19 Archived.doc.exe 2 5 9->19         started        signatures5 process6 dnsIp7 29 192.168.2.1 unknown unknown 14->29 23 C:\Windows\System32\drivers\etc\hosts, ASCII 14->23 dropped 33 Tries to harvest and steal ftp login credentials 14->33 35 Tries to harvest and steal browser information (history, passwords, etc) 14->35 37 Installs a global keyboard hook 14->37 31 smtp.vivaldi.net 31.209.137.12, 49734, 49735, 587 HRINGDU-ASIS Iceland 19->31 25 C:\Users\user\AppData\Roaming\...\kprUEGC.exe, PE32 19->25 dropped 27 C:\Users\user\...\kprUEGC.exe:Zone.Identifier, ASCII 19->27 dropped 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->39 41 Tries to steal Mail credentials (via file access) 19->41 43 Modifies the hosts file 19->43 45 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->45 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/82cfc9f121704890681aff78f1efab387f2295b7925fb13510176d9a2668abc8/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-05 05:37:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qlh4t4jbobeja2a2754pd35lhb7sffnxsjp3cniqc5wzujtivpea._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1d489bde326240c639875d1adbf09d0d3614cde9ac3a7561cff8d7fb297ee56c
AgentTesla
342af886075cca7fdeb8b212c3cfa6721adb1282dd670f0221a7f08cf1946dda
AgentTesla
559599c95e2829cf5c4e8160a0b0af34e8f0d884e86a5457069e8f3342a9ed99
AgentTesla
5defd50046db301c82c85cc8306960982f576cbf5446f24062cc570dcf0becec
AgentTesla
69f4101e63fdfdec4a5b6fc4a778619a69f9511416dd90fe9df33502ff8d9d4f
AgentTesla
9bc94d701cc45f74ee489efe7d99e84017d17a71e0232b0d14cf82c005a1ae1c
AgentTesla
a7517798b62780f49ce0745eefc677eae2874faac7a11b7f95ee46555899e8ec
AgentTesla
af1ce5c2a758843b6812b25d3f7646fe186575c7b06510cf8fdbcbe1f827c0c9
AgentTesla
f0999846e27d7158bd06a0c2c141c3dbfd010d3cd4a70c0edec48504539888b4
AgentTesla
f822c6bef395de7b97eb1ccf69a2869431daeb520dce76c722c8a5071b4c2d30
AgentTesla
+ 2'716 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/210205-jm2wdhe3t2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
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:
616a4df0abd8a97b293eb33e6973a3b62555cbec43d14a2c7b2ca4217fa02e9e
MD5 hash:
8b83c2bd27941e1347d5746dc629a5da
SHA1 hash:
fbec64109dac0cbb7a3baa7d4e3ebcc206b6c83a
Link:
https://www.unpac.me/results/3a455674-c898-499e-876e-3c62f9833160/
SH256 hash:
a2a0bbbe8c9ee88441356010f63455c50dfcafe663db757bbc453c815c51d720
MD5 hash:
11e80c54bfeff7f0c120dae46df0a8be
SHA1 hash:
d597b9b0dcac06f0aa00a931bb90de8eba564651
Link:
https://www.unpac.me/results/3a455674-c898-499e-876e-3c62f9833160/
SH256 hash:
da0ca6ffc5ede3a6b91f9dd12c9864c08b26b645864f39779e85f5a545f00898
MD5 hash:
f92dc0e6a7ec91fa83d9fb9594c724b0
SHA1 hash:
712abea4fc80c65ba049ee6f399c3d388d16e369
Link:
https://www.unpac.me/results/3a455674-c898-499e-876e-3c62f9833160/
SH256 hash:
82cfc9f121704890681aff78f1efab387f2295b7925fb13510176d9a2668abc8
MD5 hash:
1641d8dbef26afd78dd6b347eac2defe
SHA1 hash:
5c916b37b635744f03c19397982240f933019bc9
Link:
https://www.unpac.me/results/3a455674-c898-499e-876e-3c62f9833160/
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/82cfc9f121704890681aff78f1efab387f2295b7925fb13510176d9a2668abc8

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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 9842da66a551adc864b937ae93cd3a8935ea8e9a4519d85d1e63a860e6204723

AgentTesla

Executable exe 82cfc9f121704890681aff78f1efab387f2295b7925fb13510176d9a2668abc8

(this sample)

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/115707/
  
Dropped by
SHA256 9842da66a551adc864b937ae93cd3a8935ea8e9a4519d85d1e63a860e6204723

Comments