MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5d8d45cbd23356ba348b889e6055e7a114d84612f6bc20e829ee632269dc2cc. 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: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a5d8d45cbd23356ba348b889e6055e7a114d84612f6bc20e829ee632269dc2cc
SHA3-384 hash: 321f2147bddbf18b0da8a25c0d06d81710a2466eebdf0284f84760484963c5224d8ea5fae18b57168293e74595bdf4df
SHA1 hash: 6c726cda8633cc33fe5390293df34c44bc83b9f0
MD5 hash: 39bec4ca34201cecbf82b4b66f43eb5f
humanhash: double-butter-delaware-louisiana
File name:Diagram Image.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:805'888 bytes
First seen:2022-04-21 11:56:33 UTC
Last seen:2022-04-21 12:43:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:OIZpEYa4Lik1N2GjkoD8gc/I161z9DI93W1:NZSYa4VN2G4oDPfYpDG3W
Threatray 16'303 similar samples on MalwareBazaar
TLSH T1D605F19C326032EFC457D476DEAC6CA4EB61747B430B9217902709AEAE5C98BCF154F2
TrID 30.2% (.EXE) Win64 Executable (generic) (10523/12/4)
18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
14.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.9% (.EXE) Win32 Executable (generic) (4505/5/1)
5.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter Racco42
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
241
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/265437/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.50162725.10343.26708.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated packed update.exe
Link:
https://www.filescan.io/uploads/62614691eab80a7a6c53aa9d/reports/b18c6571-918d-499f-a577-047d12494b3f/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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/62494f3e-5cf3-47e7-91a1-f014e5c38b4e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/980632
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
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: Silenttrinity Stager Msbuild Activity
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 steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 613118 Sample: Diagram Image.exe Startdate: 21/04/2022 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 13 other signatures 2->53 6 Diagram Image.exe 3 2->6         started        10 ykVBUY.exe 2 2->10         started        12 ykVBUY.exe 1 2->12         started        process3 file4 27 C:\Users\user\...\Diagram Image.exe.log, ASCII 6->27 dropped 55 Writes to foreign memory regions 6->55 57 Injects a PE file into a foreign processes 6->57 14 MSBuild.exe 17 4 6->14         started        19 MSBuild.exe 6->19         started        21 MSBuild.exe 6->21         started        23 conhost.exe 10->23         started        25 conhost.exe 12->25         started        signatures5 process6 dnsIp7 33 api.telegram.org 149.154.167.220, 443, 49771 TELEGRAMRU United Kingdom 14->33 29 C:\Users\user\AppData\Roaming\...\ykVBUY.exe, PE32 14->29 dropped 31 C:\Windows\System32\drivers\etc\hosts, ASCII 14->31 dropped 35 Tries to steal Mail credentials (via file / registry access) 14->35 37 Tries to harvest and steal browser information (history, passwords, etc) 14->37 39 Modifies the hosts file 14->39 45 2 other signatures 14->45 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 19->43 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a5d8d45cbd23356ba348b889e6055e7a114d84612f6bc20e829ee632269dc2cc/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-20 07:02:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 42 (50.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1aed7661a990d34584f7687545b78a8debc0a905e91bdccb9f2160606c1965c4
AgentTesla
3e30e9b8ee726239b84f9df58456e1c0cb94a7aef2bde6e92180b4ac0c8265aa
AgentTesla
57c86b238023d2629f009c09144cbcca3ef38e7a8cd645aa2ed532df3f552532
AgentTesla
5bb5368fc5e2c601401ddfb1a1b16f40f3efc25ad1e50859f866501625a38b58
AgentTesla
7380437dac95a9a8818fecf9148f3bf84a1eacf3715336493fdcc63b9cf329ab
AgentTesla
8384f8d4f7aa78bf714430dff727e986431db171b9fd0bd10ce3cdcc12255acd
AgentTesla
cb47c3ff75a2746411df8539d2279f1a15e0e74cb460d9ebd8d9e38347dab36e
AgentTesla
e7fd6c0eda7637225434396b6e189bd76bfae4b201c5b093a0d6bab5c5fda8a6
AgentTesla
+ 16'293 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/220421-n4kj1aebg8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Drops file in Drivers directory
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot1698102386:AAHWYbuf-rLmgfOsAgCnA_t8ncjPXSF5S8c/sendDocument
Unpacked files
SH256 hash:
e33d0690808c22a6ce4da4a3ca8f927c8d40f1c2488f06a321bd97bf6f76bf47
MD5 hash:
d37528cc2067cf3aede80da50fbf6ace
SHA1 hash:
fce0a80be22fd4252437885d5577976220f90366
Link:
https://www.unpac.me/results/8a341c95-43c2-4041-b0ac-00a857101704/
SH256 hash:
e649e0d6c577aac4d57e7093d75b1dafcbf641f62110d177a9286749846ddc43
MD5 hash:
ecb7908b31c84e773559219d97756922
SHA1 hash:
ec70bff9e7e0f25b35e99a197a493b41b7553022
Link:
https://www.unpac.me/results/8a341c95-43c2-4041-b0ac-00a857101704/
SH256 hash:
3243d10fb3155ddf3d51ed2077709323a4a2d60ebf0ed6a609dc70d64146d988
MD5 hash:
e051f90c6c830f6b676a709cbd6c17e2
SHA1 hash:
a3fd879869261309ce1fddac6c5df79477518a0b
Link:
https://www.unpac.me/results/8a341c95-43c2-4041-b0ac-00a857101704/
SH256 hash:
9b06f8626539be3c54f3eb9c29bf069896cd9da3345b28a5bbe5443879a29c1a
MD5 hash:
14f6a0160ca60920dda9daca97cce2dd
SHA1 hash:
9bb5e7d5d0633587fb133b10eac42b17a284241b
Link:
https://www.unpac.me/results/8a341c95-43c2-4041-b0ac-00a857101704/
SH256 hash:
a5d8d45cbd23356ba348b889e6055e7a114d84612f6bc20e829ee632269dc2cc
MD5 hash:
39bec4ca34201cecbf82b4b66f43eb5f
SHA1 hash:
6c726cda8633cc33fe5390293df34c44bc83b9f0
Link:
https://www.unpac.me/results/8a341c95-43c2-4041-b0ac-00a857101704/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/a5d8d45cbd23356ba348b889e6055e7a114d84612f6bc20e829ee632269dc2cc

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: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 a5d8d45cbd23356ba348b889e6055e7a114d84612f6bc20e829ee632269dc2cc

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/265437/

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