MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23c79e3b4cc6ba54a5f284ecac7ae9bf587901a8b17e7b7b80ed03f5658a7706. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 23c79e3b4cc6ba54a5f284ecac7ae9bf587901a8b17e7b7b80ed03f5658a7706
SHA3-384 hash: 0d92929d2549575ecfeeaa31d5b69b1206ecc00ef57aa46bbe3bc1021e905a38ef1d98d636bd9fe235028d11a88db037
SHA1 hash: d5f24e6caab58dbf50fcbb57f0f0b10608797982
MD5 hash: 80767a32b827f79605f3145ef7ffba39
humanhash: charlie-salami-five-angel
File name:H5UOuawe2YVE9Ou.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:613'376 bytes
First seen:2022-10-26 06:30:55 UTC
Last seen:2022-10-31 10:56:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'612 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:ih702iNn2iNNrlZXU6RrpCMdbztG6BLcvYa6bAt9RYGEWfIG7Ncl:b1B1vrzXBtA+M+xa6ETRD5al
Threatray 22'150 similar samples on MalwareBazaar
TLSH T19BD422432359A367C94E03F5AC934A55837B6C0A9856F6621FC6B3CE19F2F4052A1EF3
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
H5UOuawe2YVE9Ou.exe
Verdict:
Malicious activity
Analysis date:
2022-10-26 06:31:13 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/b34f9956-6b43-4b43-b406-c1d1d1c298ed

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/324220/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/adef676e-6c54-4fe1-aee5-7c43f2d68d70
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1098084
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 730732 Sample: H5UOuawe2YVE9Ou.exe Startdate: 26/10/2022 Architecture: WINDOWS Score: 100 24 Malicious sample detected (through community Yara rule) 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected AgentTesla 2->28 30 6 other signatures 2->30 6 H5UOuawe2YVE9Ou.exe 3 2->6         started        process3 file4 16 C:\Users\user\...\H5UOuawe2YVE9Ou.exe.log, ASCII 6->16 dropped 32 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->32 34 May check the online IP address of the machine 6->34 36 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->36 38 Injects a PE file into a foreign processes 6->38 10 H5UOuawe2YVE9Ou.exe 15 3 6->10         started        14 H5UOuawe2YVE9Ou.exe 6->14         started        signatures5 process6 dnsIp7 18 us2.smtp.mailhostbox.com 208.91.199.224, 49700, 587 PUBLIC-DOMAIN-REGISTRYUS United States 10->18 20 api.ipify.org.herokudns.com 3.220.57.224, 443, 49699 AMAZON-AESUS United States 10->20 22 2 other IPs or domains 10->22 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->40 42 Tries to steal Mail credentials (via file / registry access) 10->42 44 Tries to harvest and steal ftp login credentials 10->44 46 Tries to harvest and steal browser information (history, passwords, etc) 10->46 signatures8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/23c79e3b4cc6ba54a5f284ecac7ae9bf587901a8b17e7b7b80ed03f5658a7706/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-10-25 20:11:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=epdz4o2my25fjjpsqtwky6xjx5mhsaniwf7hw64a5ub7kzmko4da._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
026b11037329ad5ff8cda17668d30b59366df051ab09ab35790f2d2e8324a85d
AgentTesla
3c6e68b6ac37e83297be2aa9555684046a464cfaceb90ed6a575c7d31ec0cffa
AgentTesla
45fa164b6426a399c2720ae533c6ad0f5d024cf6d7a2f43313ab1b8d5ac9c269
AgentTesla
50c4459f6a2ff06bd104a1776c03b2880be40ea9125bc21ee13f0424f0dcffa1
AgentTesla
53f30e0174d4f4a422bc8ee8ab174bf13c96dc312b6c472ccf43b6e33262f976
AgentTesla
91139b19c219a2cf3882f5bcdc6610a8691b079c05ecf7aadb1d461bee084266
AgentTesla
a46ba907fa55dea9842e0c9a005d71190c7630d033432fa60c5e2996333c3bd9
AgentTesla
+ 22'140 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/221026-g928nsehfl/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ec38e529-a7d1-445b-a78a-8c550c322bc1
Unpacked files
SH256 hash:
735e57a802d7a3c44907c11b66a9bc489d96e95ed2ada72d7be3246f9c8b2656
MD5 hash:
c18a039ad293136c48ae934ef122401b
SHA1 hash:
d4e0c7231ca4a1b857b653a964892f9348729e17
Link:
https://www.unpac.me/results/1f4f14ea-85a1-413b-b3c3-bfe6f11a1ca6/
SH256 hash:
0d77a26f39054f89ccc5451d310301759a12185cc64eb77f190f8768099c2f92
MD5 hash:
fab691b03cde1c1ff271f3b18089a6f3
SHA1 hash:
a9844ead34202ea0633383bf69aecfb3301480d3
Link:
https://www.unpac.me/results/1f4f14ea-85a1-413b-b3c3-bfe6f11a1ca6/
SH256 hash:
248a7c4997aacb14ca032daf9668636839f921d0a3403f09a3b0ccfdc948cbf1
MD5 hash:
a7952169b04a2c6a39661aad59e79dcf
SHA1 hash:
88722f1a32c913307c0c6385b04478a79fabd12b
Link:
https://www.unpac.me/results/1f4f14ea-85a1-413b-b3c3-bfe6f11a1ca6/
SH256 hash:
ab68c6ad2e4f7914099a7f1f7768163ae9696d26b9875a37d710102efb84c8d0
MD5 hash:
8e94be5f4440c5664e8583bbb0087123
SHA1 hash:
5baa8d272d3a0134793999ee99892ee3f7745b10
Link:
https://www.unpac.me/results/1f4f14ea-85a1-413b-b3c3-bfe6f11a1ca6/
SH256 hash:
744928a56b4d36f17e73eea0534c5e99103d1553d5b0a864a6fd9d4f9899b47f
MD5 hash:
91fed5db1afcdf48e0cd6d4058a013ba
SHA1 hash:
3717b3346e25d3f66f00626ad1a771d8655f485f
Link:
https://www.unpac.me/results/1f4f14ea-85a1-413b-b3c3-bfe6f11a1ca6/
SH256 hash:
23c79e3b4cc6ba54a5f284ecac7ae9bf587901a8b17e7b7b80ed03f5658a7706
MD5 hash:
80767a32b827f79605f3145ef7ffba39
SHA1 hash:
d5f24e6caab58dbf50fcbb57f0f0b10608797982
Link:
https://www.unpac.me/results/1f4f14ea-85a1-413b-b3c3-bfe6f11a1ca6/
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/23c79e3b4cc6ba54a5f284ecac7ae9bf587901a8b17e7b7b80ed03f5658a7706

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 23c79e3b4cc6ba54a5f284ecac7ae9bf587901a8b17e7b7b80ed03f5658a7706

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/324220/

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