MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3c4993a8982b5ef99e1c6064b133a317a221d51a15aa53047b05e340b808b62. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3c4993a8982b5ef99e1c6064b133a317a221d51a15aa53047b05e340b808b62
SHA3-384 hash: 4e1f3f3d137f1c9e0df1edb787dfd5fdfbaf2ff88f3af7847196c36bd22f969c2e4304cb64f240adf046df036b08cf16
SHA1 hash: cc212675b073c75ae349222c2ea2ef7ec210aab2
MD5 hash: 5642664df34f52d47fc8081467ef6269
humanhash: maryland-venus-lion-zulu
File name:SecuriteInfo.com.Trojan.MulDropNET.68.14731.14018
Download: download sample
Signature AgentTesla
Create hunting rule
File size:705'024 bytes
First seen:2024-02-02 05:23:26 UTC
Last seen:2024-02-02 07:21:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:JvAtoE1MmajvIOLkpB+fUmX6tfJDev3W/7IOx5q4NbcYd53rD226:e2E1CAO4pB+xt34x5qx8rD
Threatray 226 similar samples on MalwareBazaar
TLSH T188E41269FA3964B3CBB814FAA692152903F7556EA063F2C81DCEE0EA45D1BCD08153C7
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
280
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b3c4993a8982b5ef99e1c6064b133a317a221d51a15aa53047b05e340b808b62.exe
Verdict:
Malicious activity
Analysis date:
2024-02-02 05:27:43 UTC
Tags:
evasion
Link:
https://app.any.run/tasks/9fa4e1d5-486f-40fa-ac9f-150dd2a4972a

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/474138/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.MulDropNET.68.14731.14018.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65bc7c7719fc3809141bacc6/reports/03ee7fbe-7535-4c6a-bb90-ae048e17ba15/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b3c4993a8982b5ef99e1c6064b133a317a221d51a15aa53047b05e340b808b62
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/3197a5dc-cbe3-4779-9fc7-8af2871c3ee4
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1385370
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1385370 Sample: SecuriteInfo.com.Trojan.Mul... Startdate: 02/02/2024 Architecture: WINDOWS Score: 100 33 mail.strongbowoffshore.com 2->33 35 ip-api.com 2->35 37 2 other IPs or domains 2->37 45 Snort IDS alert for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 13 other signatures 2->51 8 SecuriteInfo.com.Trojan.MulDropNET.68.14731.14018.exe 16 7 2->8         started        13 xibKnAzH.exe 3 2->13         started        signatures3 process4 dnsIp5 39 mail.strongbowoffshore.com 185.104.29.98, 49708, 587 AS-ZXCSNL Netherlands 8->39 41 api4.ipify.org 173.231.16.76, 443, 49705 WEBNXUS United States 8->41 43 ip-api.com 208.95.112.1, 49707, 80 TUT-ASUS United States 8->43 29 C:\Users\user\AppData\Roaming\xibKnAzH.exe, PE32 8->29 dropped 31 C:\Users\user\AppData\Local\...\tmp79F1.tmp, XML 8->31 dropped 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->53 55 Tries to steal Mail credentials (via file / registry access) 8->55 57 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->57 65 4 other signatures 8->65 15 powershell.exe 22 8->15         started        17 powershell.exe 23 8->17         started        19 schtasks.exe 1 8->19         started        59 Antivirus detection for dropped file 13->59 61 Multi AV Scanner detection for dropped file 13->61 63 Machine Learning detection for dropped file 13->63 file6 signatures7 process8 process9 21 WmiPrvSE.exe 15->21         started        23 conhost.exe 15->23         started        25 conhost.exe 17->25         started        27 conhost.exe 19->27         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b3c4993a8982b5ef99e1c6064b133a317a221d51a15aa53047b05e340b808b62
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3c4993a8982b5ef99e1c6064b133a317a221d51a15aa53047b05e340b808b62/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-02-02 07:21:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wpcjsoujqk267gpbyydewez2gf5cehkrufnkkmchwbpdic4arnra._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
5ed442604cd89e3da30ed1278f13300c6aef554cf0daa0e9b606696957c16747
AgentTesla
7a97e2e571d16bf14763fe2fdf5802a2c01e4d103b7eb98b9784a09b4d9cdc01
AgentTesla
7b65e51dc8734ef57ae0e4eb452a20c75c3d2151b6bf35dbec1d43e2db2faf94
AgentTesla
b1b92f605f79b959ed40ac13c1c4f7b3de60279649bdb1539233c2c551c9cb28
AgentTesla
b3c4993a8982b5ef99e1c6064b133a317a221d51a15aa53047b05e340b808b62
AgentTesla
cd5afb25fb90fab49b4623b7d2005004fabec7c32685c3ac056919e56aaed18c
AgentTesla
+ 216 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/240202-f3ptbsegb8/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
073592e358048ed709d76233a70ca4936326378af59fbe2d430b4baa2e528b39
MD5 hash:
ead68d92f4077cbd1c2ef02385ff32a8
SHA1 hash:
e277d4dec811e04f0f2c3e9576edee2b1b6a7605
Link:
https://www.unpac.me/results/4af4bb8f-80e4-4faf-8663-aa3296be155e/
SH256 hash:
414f49a6fa107f2df699b9fa4de4bb3b6e7c9101d750e79721a050fa6ceae84a
MD5 hash:
9edc61e772ece6af71da583c53a719af
SHA1 hash:
bd9da78079984989c919d294858b006e3b3f01f9
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/4af4bb8f-80e4-4faf-8663-aa3296be155e/
SH256 hash:
d2cf3273461ffa1b29715828f358368312ae4f08a731f4e449a44f6dc50e26c5
MD5 hash:
df7936d5ea0c80f3003b445c7f8deb44
SHA1 hash:
b995b22e77a11cda256e84a01ccadb85451460ed
Link:
https://www.unpac.me/results/4af4bb8f-80e4-4faf-8663-aa3296be155e/
SH256 hash:
a91462e9c8e5d78d4047a80eb89a38c6e76e5d4cf6ac8ff7142e19bb7ecfbb82
MD5 hash:
b3200a8295f2098fa0078754ab6728ce
SHA1 hash:
b84d3cbebfd2eb9822664ca47fe56e6ee95e0ddc
Link:
https://www.unpac.me/results/4af4bb8f-80e4-4faf-8663-aa3296be155e/
SH256 hash:
f25d5547d99e026ee43c89b909721ab3e4f7219cf78bf56ed40dd34b4a9fb961
MD5 hash:
1a6e18da5046dfb8c5a5d70448622b04
SHA1 hash:
860270ee0a8ab7fcec3f8a6a63dba3ba4f5807c0
Link:
https://www.unpac.me/results/4af4bb8f-80e4-4faf-8663-aa3296be155e/
SH256 hash:
b3c4993a8982b5ef99e1c6064b133a317a221d51a15aa53047b05e340b808b62
MD5 hash:
5642664df34f52d47fc8081467ef6269
SHA1 hash:
cc212675b073c75ae349222c2ea2ef7ec210aab2
Link:
https://www.unpac.me/results/4af4bb8f-80e4-4faf-8663-aa3296be155e/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b3c4993a8982/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/b3c4993a8982b5ef99e1c6064b133a317a221d51a15aa53047b05e340b808b62

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: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

rar 6aacb47cd9ee73e3ab1b44fbd84c604a57f0c97ba393974cf3b8c2cdc0d63966

AgentTesla

Executable exe b3c4993a8982b5ef99e1c6064b133a317a221d51a15aa53047b05e340b808b62

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/474138/
  
Dropped by
SHA256 6aacb47cd9ee73e3ab1b44fbd84c604a57f0c97ba393974cf3b8c2cdc0d63966
  
Dropped by
MD5 76381c2a1ac66d55340815b5b5f83122

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