MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63f9a0718e53313ba9da21eeb62b84ef77936a437d177451a2cce0970c2351d5. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 63f9a0718e53313ba9da21eeb62b84ef77936a437d177451a2cce0970c2351d5
SHA3-384 hash: b036362d320534f520305f44a4df1ef1215dc93b0ffd5013f04842147a835ad3a26aa2d82d7138291dd7dd9298ff0261
SHA1 hash: a656b7c73ac4a377a13cae34d6c5f100c0f8c21b
MD5 hash: 3e58930a6b36da56f7bdd3d94b41118f
humanhash: nineteen-florida-mango-potato
File name:Kmjcdaceubh.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:2'452'992 bytes
First seen:2024-04-03 12:57:26 UTC
Last seen:2024-04-03 13:26:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 49152:9cw4LZw23q7NdpWGAwDop9AVBrjHyULRLBg33L5EaqlkRMC/qSy77sjs:9cnv4dpKgobKN5RLmHtyCcE
Threatray 9 similar samples on MalwareBazaar
TLSH T15EB522190BA5524FD59E83F4F0468015E7E0C2A25BAFFBC76E8564F8C9473E187221BB
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
298
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
63f9a0718e53313ba9da21eeb62b84ef77936a437d177451a2cce0970c2351d5.exe
Verdict:
Malicious activity
Analysis date:
2024-04-03 13:00:19 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/f83132d9-3a83-480d-9116-6be8dde36b6c

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

Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Connection attempt to an infection source
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/660d526f391c61c479147c10/reports/9d6f7a7a-665c-4bc5-8d87-f81a034daa82/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/63f9a0718e53313ba9da21eeb62b84ef77936a437d177451a2cce0970c2351d5
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/141a88f7-cc1e-4b00-9a31-ede4a664182b
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1419410
Signature
.NET source code contains potential unpacker
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1419410 Sample: Kmjcdaceubh.exe Startdate: 03/04/2024 Architecture: WINDOWS Score: 100 31 mail.privateemail.com 2->31 33 api.ipify.org 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 6 other signatures 2->41 7 JRvSU.exe 1 2->7         started        10 Kmjcdaceubh.exe 1 2->10         started        12 JRvSU.exe 2->12         started        signatures3 process4 signatures5 43 Multi AV Scanner detection for dropped file 7->43 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->45 47 Machine Learning detection for dropped file 7->47 49 Injects a PE file into a foreign processes 7->49 14 JRvSU.exe 14 2 7->14         started        51 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->51 17 Kmjcdaceubh.exe 16 5 10->17         started        21 JRvSU.exe 2 12->21         started        process6 dnsIp7 27 mail.privateemail.com 198.54.122.135, 49700, 49705, 49710 NAMECHEAP-NETUS United States 17->27 29 api.ipify.org 172.67.74.152, 443, 49699, 49702 CLOUDFLARENETUS United States 17->29 23 C:\Users\user\AppData\Roaming\...\JRvSU.exe, PE32 17->23 dropped 25 C:\Users\user\...\JRvSU.exe:Zone.Identifier, ASCII 17->25 dropped 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->53 55 Tries to steal Mail credentials (via file / registry access) 17->55 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->57 59 Tries to harvest and steal browser information (history, passwords, etc) 21->59 61 Installs a global keyboard hook 21->61 file8 signatures9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/63f9a0718e53313ba9da21eeb62b84ef77936a437d177451a2cce0970c2351d5
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/63f9a0718e53313ba9da21eeb62b84ef77936a437d177451a2cce0970c2351d5/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-03-23 01:43:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mp42a4mokmytxko2ehxlmk4e553zg2sdpulxiuncztqjodbdkhkq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
2f7ca180c50ce99d164b5601826e648f88d6db9b932b052dfea9d59a7e2b78ed
AgentTesla
407fc451a24a5a7d08b067fc8a1361f57e0f46331c19c4e069ae2d967cd33084
AgentTesla
63f9a0718e53313ba9da21eeb62b84ef77936a437d177451a2cce0970c2351d5
AgentTesla
7ecf055419ccb76a13fa53d8f5c5888ea369271ceaad4263f952da6d265c4c41
AgentTesla
a9f1b1f099d72e3d3bb950a335b612a7e2d551e38bc8d72a9d3035453b3760ed
AgentTesla
b17bb3acfdbdc750bc117c6e973019d71f6f182b64ed4e680746ac6604158c18
AgentTesla
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:zgrat keylogger persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/240403-p7jmjsdg79/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Detect ZGRat V1
Suspicious use of NtCreateUserProcessOtherParentProcess
ZGRat
Unpacked files
SH256 hash:
88d220da54831e825fa08debdfcf7486bc1410f0231444bbf654816d9db296d7
MD5 hash:
bf5e0ea4196d45f5384b558c109901e7
SHA1 hash:
fbf0a0f67bfa0ee32884706485f3479653cd96b5
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/81694bb4-d414-4940-93be-9b8a57eedcd9/
SH256 hash:
3db27279024fcb1eeb8c7b34be24bfec6521155afb6a2f22a487b3775f2cb626
MD5 hash:
661cd625e3a16c840dfec6b403c0eb52
SHA1 hash:
9de467f60daa90f166b2a40c544ce98ba554ce43
Link:
https://www.unpac.me/results/81694bb4-d414-4940-93be-9b8a57eedcd9/
SH256 hash:
cd9e19233958fb5811e902f176fee57e61b8f84d343670638b69162a59fe105a
MD5 hash:
f6c1661e8d2a827995204e22ba5ba655
SHA1 hash:
72af3032a2e80ec0638b7725246527191f148820
Link:
https://www.unpac.me/results/81694bb4-d414-4940-93be-9b8a57eedcd9/
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/81694bb4-d414-4940-93be-9b8a57eedcd9/
SH256 hash:
78f73e1734daa918b253517c75971fbb8df773a3d77d02a752e9a0ad1711a677
MD5 hash:
f9d2985aa1c41cca281321fffb5ed424
SHA1 hash:
3a7a58d2dcae2762882357ae34d372744b1dbb9d
Link:
https://www.unpac.me/results/81694bb4-d414-4940-93be-9b8a57eedcd9/
SH256 hash:
63f9a0718e53313ba9da21eeb62b84ef77936a437d177451a2cce0970c2351d5
MD5 hash:
3e58930a6b36da56f7bdd3d94b41118f
SHA1 hash:
a656b7c73ac4a377a13cae34d6c5f100c0f8c21b
Link:
https://www.unpac.me/results/81694bb4-d414-4940-93be-9b8a57eedcd9/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/63f9a0718e53/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/63f9a0718e53313ba9da21eeb62b84ef77936a437d177451a2cce0970c2351d5

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

Executable exe 63f9a0718e53313ba9da21eeb62b84ef77936a437d177451a2cce0970c2351d5

(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 (GUARD_CF)high

Comments