MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5d2b4871ea753fd802de56f46053954ecda1421af57528cdfc43d5b08a6d6ec. 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: 16


Intelligence 16 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b5d2b4871ea753fd802de56f46053954ecda1421af57528cdfc43d5b08a6d6ec
SHA3-384 hash: 689e6942118c3756974abee45131d21f477681b5775278d560e57954fcb7d44b88c17eda5c368954ec1974157e5522b7
SHA1 hash: 9eeabc26d36069a308c160a84a2381b73e1cab1b
MD5 hash: 227b7454939f2006ffea948170468fe7
humanhash: fifteen-arkansas-charlie-utah
File name:SecuriteInfo.com.Trojan.Inject4.59820.16624.18058
Download: download sample
Signature AgentTesla
Create hunting rule
File size:612'864 bytes
First seen:2023-11-22 15:16:02 UTC
Last seen:2023-11-23 08:37:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Q8ok2j49dbA+CPpbQ3PJ++I+BAYylLRm64/QXHnEhTbT3E:PkjgbA+CBovoptgQ01H3E
TLSH T192D42312726D9FE3FA3807F248A1215E97B2722E5465FA8B5DC161DF49A0F800621F77
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
328
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/459732/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.16624.18058.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Reading critical registry keys
Sending an HTTP GET request
Stealing user critical data
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b5d2b4871ea753fd802de56f46053954ecda1421af57528cdfc43d5b08a6d6ec
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/95af4cc4-f57e-4759-aa57-00c33bd544bd
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1346497
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b5d2b4871ea753fd802de56f46053954ecda1421af57528cdfc43d5b08a6d6ec
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b5d2b4871ea753fd802de56f46053954ecda1421af57528cdfc43d5b08a6d6ec/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-22 10:42:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wxjljby6u5j73abn4vxumbjzktwnufbbv5lvfdg7yq6vwcfg23wa._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231122-snfnbsdh6x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
3fc435481d7ef0079bdad4dd86185e61a5092a5df4a3e17a75266cf283effaa1
MD5 hash:
ead80ad88662af6f37f0c49fe6e3fb44
SHA1 hash:
dbeb4019c7337347d1c6d0913c9249021cafd849
Link:
https://www.unpac.me/results/829e1c11-badf-48c1-95ab-2103ab5b2b05/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/829e1c11-badf-48c1-95ab-2103ab5b2b05/
SH256 hash:
e9592fe89e883071a155eab3b5982d3c62242becfc94d9e0126f5fcc8245eba0
MD5 hash:
bbb012cc83f89cd743e3fe73ac897ec2
SHA1 hash:
b10fc5488e3ee9f751299a8b541d448e25f1bf0c
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
Link:
https://www.unpac.me/results/829e1c11-badf-48c1-95ab-2103ab5b2b05/
Parent samples :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 hash:
34d013ec3123ea9d9d2b48d74e682165c0ec9bbd0f3dbd985643080d01af4b82
MD5 hash:
55a14a9285250177232ac776a9ddd7cf
SHA1 hash:
66ac098a24b1627c5be8809a944908d84911a58c
Link:
https://www.unpac.me/results/829e1c11-badf-48c1-95ab-2103ab5b2b05/
SH256 hash:
b5d2b4871ea753fd802de56f46053954ecda1421af57528cdfc43d5b08a6d6ec
MD5 hash:
227b7454939f2006ffea948170468fe7
SHA1 hash:
9eeabc26d36069a308c160a84a2381b73e1cab1b
Link:
https://www.unpac.me/results/829e1c11-badf-48c1-95ab-2103ab5b2b05/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b5d2b4871ea7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.96
Link:
https://yomi.yoroi.company/submissions/b5d2b4871ea753fd802de56f46053954ecda1421af57528cdfc43d5b08a6d6ec

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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

zip 3a7b0e7fd9d1eecb0db7c7d855119334238907290fad38e5ed036e122c25a01d

AgentTesla

Executable exe b5d2b4871ea753fd802de56f46053954ecda1421af57528cdfc43d5b08a6d6ec

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/459732/
  
Dropped by
SHA256 3a7b0e7fd9d1eecb0db7c7d855119334238907290fad38e5ed036e122c25a01d
  
Dropped by
MD5 12392250d128e4432f3681453f0941f8

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