MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37c682dcc881282426e7c3471d95869c867ab1d8278ea8e6ee3f2ec2471ddcdd. 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: 13


Intelligence 13 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 37c682dcc881282426e7c3471d95869c867ab1d8278ea8e6ee3f2ec2471ddcdd
SHA3-384 hash: 1a7fc52d09db22630d9c3ad33edd99869f34e2d6b984fbc7e8753087e88dfc1a310ba87ec33668940e364312675eb056
SHA1 hash: 205f9d4d1e4b50349f6694a6cb55daaa5e9c0af4
MD5 hash: 98f2769bbcf8e857d016b508e7ab45c4
humanhash: vegan-sweet-king-iowa
File name:Cotización-1184.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:972'983 bytes
First seen:2024-02-08 07:17:53 UTC
Last seen:2024-02-08 09:33:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d3bf8a7746a8d1ee8f6e5960c3f69378 (247 x Formbook, 75 x AgentTesla, 64 x SnakeKeylogger)
ssdeep 24576:pRmJkcoQricOIQxiZY1iaM/U4r9dVykvBmfcm8:mJZoQrbTFZY1iaM/v7h
Threatray 3'192 similar samples on MalwareBazaar
TLSH T13B25D022B5C69036C2B327B19D7EF76A963D6D360326D29723C83D315EB05816B29733
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon f8fcf0c898b8e8fa (5 x AgentTesla, 2 x DCRat, 1 x Zeppelin)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
286
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.AIT.Trojan.Nymeria.5849.11670.29414.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Labled as:
AIT:Trojan.Nymeria
Link:
https://www.hybrid-analysis.com/sample/37c682dcc881282426e7c3471d95869c867ab1d8278ea8e6ee3f2ec2471ddcdd
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/df912144-cab9-42d9-9ba3-589bac057d62
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1388866
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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)
Sample uses string decryption to hide its real strings
Sigma detected: Suspicious Double Extension File Execution
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 an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/37c682dcc881282426e7c3471d95869c867ab1d8278ea8e6ee3f2ec2471ddcdd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37c682dcc881282426e7c3471d95869c867ab1d8278ea8e6ee3f2ec2471ddcdd/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-02-05 23:51:51 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g7difxgiqeucijxhyndr3fmgtsdhvmoye6hkrzxoh4xmery53toq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
04540ec89a71f6cdfc4ed659499c1f35f2d225dc9a744f96bdb0f0b87bb9e4c1
AgentTesla
37c682dcc881282426e7c3471d95869c867ab1d8278ea8e6ee3f2ec2471ddcdd
AgentTesla
b079b00c1b21ed95667a8adb41808e9578a95cc5a4700f42d8cec8fe8ad399f9
AgentTesla
bc3e963b1e6f8e375e6814f653eeb463d2bf8e47b867cf16ca9964a5e0d43804
AgentTesla
c12a4ab95d9caaf2f1a68db084dbfd38ebd65391041925d0417b08e50489f353
AgentTesla
f2289f7072a9783c0c180de6cf3dd36f5f18f2254941d379b8de9b607e7f1bdd
AgentTesla
+ 3'182 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240208-h4ze9sefbm/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
33a7df2807036a7086b46dde88e6615ce70e29c7b2509ded9ea0df1ab62118d5
MD5 hash:
84fff5dc052a3c2f3f475c4bb25d06e7
SHA1 hash:
f102f0876683e2098c5e70025c7599691ede8966
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/fbcf69e1-b1de-4aff-aa21-d2874ac9bd26/
Parent samples :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 hash:
37c682dcc881282426e7c3471d95869c867ab1d8278ea8e6ee3f2ec2471ddcdd
MD5 hash:
98f2769bbcf8e857d016b508e7ab45c4
SHA1 hash:
205f9d4d1e4b50349f6694a6cb55daaa5e9c0af4
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/fbcf69e1-b1de-4aff-aa21-d2874ac9bd26/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/37c682dcc881/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/37c682dcc881282426e7c3471d95869c867ab1d8278ea8e6ee3f2ec2471ddcdd

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:AutoIt
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:AutoIT packer
Rule name:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 37c682dcc881282426e7c3471d95869c867ab1d8278ea8e6ee3f2ec2471ddcdd

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments