MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c8a0782ff5a7ba09544975711f5f4bf170b915ae595b126b867c422896526bc. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3c8a0782ff5a7ba09544975711f5f4bf170b915ae595b126b867c422896526bc
SHA3-384 hash: 2d2df7df92c9273e3f4dec579207c6965ea7b5e0f35f54b3917e07fcdcdcf652522de0a369b948dc6de9d156590523ad
SHA1 hash: 8e43e2d6bd4f419deb574b73896201eaa5579da9
MD5 hash: c29c58020cff52461dc863a695468a80
humanhash: fourteen-sad-december-freddie
File name:SWIFT.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:788'480 bytes
First seen:2024-04-29 09:26:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:SF2iNZv47vkaRwtIL1VONHrr1To46r0FdfKI9ZFEEwElv312Z3ag+h:SF1Pg7vkMnLHC9U46rMLkEJ312ZZ+
Threatray 4'332 similar samples on MalwareBazaar
TLSH T119F4126636E86F23C83C87FA9569801007B5E1277453E7DB4FC171DA2E22FE14A62D27
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
326
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
3c8a0782ff5a7ba09544975711f5f4bf170b915ae595b126b867c422896526bc.exe
Verdict:
Malicious activity
Analysis date:
2024-04-29 09:38:30 UTC
Tags:
stealer agenttesla exfiltration
Link:
https://app.any.run/tasks/9ae910a0-28c5-4ce2-8d49-124d6e4e1020

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Connection attempt
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
nanocore packed
Link:
https://www.filescan.io/uploads/662f680751edb67852fad9f4/reports/da08d977-b1d1-486c-8833-1466076cfb40/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/3c8a0782ff5a7ba09544975711f5f4bf170b915ae595b126b867c422896526bc
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/4c81ede8-00f5-45e1-b711-9b7abf11a48d
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1433210
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: MSBuild connects to smtp port
Snort IDS alert for network traffic
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3c8a0782ff5a7ba09544975711f5f4bf170b915ae595b126b867c422896526bc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3c8a0782ff5a7ba09544975711f5f4bf170b915ae595b126b867c422896526bc/
Threat name:
ByteCode-MSIL.Hacktool.Mimikatz
Create hunting rule
Status:
Malicious
First seen:
2024-04-24 08:14:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
21 of 24 (87.50%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hsfapax7lj52bfkes5lrd5pux4lqxek24wk3cjvym7ccfclfe26a._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
2e546d749c2e13895babd1d2bca41978605c1ba3967ca0b21709646120704760
AgentTesla
36fc325a5d6b8766479d0ab84c7cbbde42a55dc2dbb1937c33b0e465497718ab
AgentTesla
873fb072fccac9fc833f34c74570749b1c3fdc5d0b521f9b793550efa8026f25
AgentTesla
9e2120abe2f12cca940969f6158c7c452a008c767c411482930a887ee61567d9
AgentTesla
a69420b181a6704cdf507e6ba6f725060fc4eca42794aca6a3719af43bc33560
AgentTesla
+ 4'322 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/240429-lesszaff2y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
AgentTesla
Unpacked files
SH256 hash:
a3de65d9607fa28995b6d60b0ad501d36107454865c7a74e8121ec11320ae565
MD5 hash:
7dfefede4d4b4d15fe2c4d83996e9e1a
SHA1 hash:
62e0258f0a8d23d17225ff7ad0b304ab12a9fd6a
Link:
https://www.unpac.me/results/485b2034-4eab-4a7d-aa1a-9f1bd9084b05/
SH256 hash:
2e5589084a8c888ca95714c68fbfa56b4fbd9b2b1a5cd117988bb60c84463d3a
MD5 hash:
c97e327e517d6f803e59eece065b069b
SHA1 hash:
4ec9cd5173cfcb5bd667914a52b16589904e831a
Link:
https://www.unpac.me/results/485b2034-4eab-4a7d-aa1a-9f1bd9084b05/
SH256 hash:
9d29ddb766975d283e42d47ee67fd1f3b88ddecf6defe6f408651984a1eb7313
MD5 hash:
fab0e6b2412a13709095243bcf12af07
SHA1 hash:
23ad8b746833f68dcad791f23f3c7f236af907bb
Link:
https://www.unpac.me/results/485b2034-4eab-4a7d-aa1a-9f1bd9084b05/
SH256 hash:
e9f80fcec565e3df225e9035326ec71c37560675040e383bb5337e2fc97bcbd2
MD5 hash:
3f6cf1814ff3149eb62551e7fedffd24
SHA1 hash:
0f27bd2bb85f2e175ecc1932d12507cd212ff86b
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_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/485b2034-4eab-4a7d-aa1a-9f1bd9084b05/
Parent samples :
9e2120abe2f12cca940969f6158c7c452a008c767c411482930a887ee61567d9
2e546d749c2e13895babd1d2bca41978605c1ba3967ca0b21709646120704760
cdc6416614ef3f4b401aff0d519668cd08f7c99f4ebf7c7392ba67193b2c0fea
873fb072fccac9fc833f34c74570749b1c3fdc5d0b521f9b793550efa8026f25
3c8a0782ff5a7ba09544975711f5f4bf170b915ae595b126b867c422896526bc
SH256 hash:
3c8a0782ff5a7ba09544975711f5f4bf170b915ae595b126b867c422896526bc
MD5 hash:
c29c58020cff52461dc863a695468a80
SHA1 hash:
8e43e2d6bd4f419deb574b73896201eaa5579da9
Link:
https://www.unpac.me/results/485b2034-4eab-4a7d-aa1a-9f1bd9084b05/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3c8a0782ff5a/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/3c8a0782ff5a7ba09544975711f5f4bf170b915ae595b126b867c422896526bc

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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

Executable exe 3c8a0782ff5a7ba09544975711f5f4bf170b915ae595b126b867c422896526bc

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments