MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef9a39b1d91ce4e4b8ec5da6cd906fddb71837ba7438b13f96ea095d6102673d. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef9a39b1d91ce4e4b8ec5da6cd906fddb71837ba7438b13f96ea095d6102673d
SHA3-384 hash: a0476d5fb7072ee2725eb9ad0271b4ee5afb832a3285e5f74aeca17bd93f50199646fac32f29aa1d7d11694ecae94f86
SHA1 hash: 9322226f163a553839c47e89f500d3618b82b568
MD5 hash: 2d786f73aecc3d75addc5c6075ab89d8
humanhash: east-equal-timing-bakerloo
File name:SecuriteInfo.com.Win32.PWSX-gen.21474.17890
Download: download sample
Signature AgentTesla
Create hunting rule
File size:843'776 bytes
First seen:2023-07-21 06:32:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:JfyXmmff5cCzrHuhWukgqQVYoVn+3KmpwDlfR1Ry9sf2G2cApSA:BMmmffq2Hubus1+6mpwDlfR1E96FqF
Threatray 5'085 similar samples on MalwareBazaar
TLSH T14505DF10B5B80B32E57E5FFA214456480BF5769BB17FC13D8DD260EE5AA8F700A8271B
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 :
1
# of downloads :
270
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.21474.17890
Verdict:
Malicious activity
Analysis date:
2023-07-21 06:36:44 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/fe3116f1-83fd-4954-b934-7f5ba2eb23a5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/427324/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.6874.10856.UNOFFICIAL
Create hunting rule

Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/ef9a39b1d91ce4e4b8ec5da6cd906fddb71837ba7438b13f96ea095d6102673d
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/e5aae14c-ccda-41d0-bf14-bc8b98f4583f
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1277263
Signature
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
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)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1277263 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 21/07/2023 Architecture: WINDOWS Score: 100 53 Found malware configuration 2->53 55 Sigma detected: Scheduled temp file as task from temp location 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 2 other signatures 2->59 7 SecuriteInfo.com.Win32.PWSX-gen.21474.17890.exe 7 2->7         started        11 mFrmKAeXDx.exe 5 2->11         started        process3 file4 37 C:\Users\user\AppData\...\mFrmKAeXDx.exe, PE32 7->37 dropped 39 C:\Users\...\mFrmKAeXDx.exe:Zone.Identifier, ASCII 7->39 dropped 41 C:\Users\user\AppData\Local\...\tmp1950.tmp, XML 7->41 dropped 43 SecuriteInfo.com.W...21474.17890.exe.log, ASCII 7->43 dropped 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->61 63 Uses schtasks.exe or at.exe to add and modify task schedules 7->63 65 Adds a directory exclusion to Windows Defender 7->65 67 Injects a PE file into a foreign processes 7->67 13 SecuriteInfo.com.Win32.PWSX-gen.21474.17890.exe 2 7->13         started        17 powershell.exe 18 7->17         started        19 powershell.exe 21 7->19         started        21 schtasks.exe 1 7->21         started        69 Multi AV Scanner detection for dropped file 11->69 23 mFrmKAeXDx.exe 11->23         started        25 schtasks.exe 11->25         started        27 mFrmKAeXDx.exe 11->27         started        signatures5 process6 dnsIp7 45 sculeprofi.ro 89.42.218.190, 49695, 49698, 587 ROMARGRO Romania 13->45 47 mail.sculeprofi.ro 13->47 49 192.168.2.1 unknown unknown 13->49 29 conhost.exe 17->29         started        31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        51 mail.sculeprofi.ro 23->51 71 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->71 73 Tries to steal Mail credentials (via file / registry access) 23->73 75 Tries to harvest and steal browser information (history, passwords, etc) 23->75 35 conhost.exe 25->35         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef9a39b1d91ce4e4b8ec5da6cd906fddb71837ba7438b13f96ea095d6102673d/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-07-21 05:19:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
22 of 38 (57.89%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=56ndtmozdtsojohmlwtm3edp3w3rqn52oq4lcp4w5iev2yicm46q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
449947dedfa89870f0f4d5dc86edc66c4656a6f94504167bbe4f803cd5c16076
AgentTesla
6a3bc2efcecdd25c5257e19e630b5785dc9e8ebb259773d40d2fc4c19e377285
AgentTesla
8870531d4e128acc53f46c599578c3b3b6ae82712bfe4a7c008332b4394cb331
AgentTesla
940452c26b4fd683f1c88746b751d4299e9b8c3fe25aa62168eca31924c17592
AgentTesla
af1bcd9ba9a15d74a8819dc87f8032d22c4f26b4b5d10577e6544fa9674c7fbd
AgentTesla
e4b6f95557a2356d046da60a1ca4e52d302618108fae774b8128ffc0586366e0
AgentTesla
eb4b358d784a43733f3b307b562f7d3282cc07d94be7526cd8600bf8a4bee530
AgentTesla
fee59f311b2bd04aed3c5f40d7453366ceda8931de8e9dee2a64ef03823455ac
AgentTesla
+ 5'075 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230721-ha6x9acd22/
Behaviour
outlook_office_path
outlook_win_path
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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:
17414b73bdce17c72c55300aaf6dbdcf07a36d5ec2a6c483575995501dea61fd
MD5 hash:
7fa0dbb3e7186db1ead32a38073025b3
SHA1 hash:
b073d2c6a0208b2701bc67931dffc0a9bf98a865
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/1fb25132-e767-4627-aef3-549cca4e3b4c/
Parent samples :
8870531d4e128acc53f46c599578c3b3b6ae82712bfe4a7c008332b4394cb331
ef9a39b1d91ce4e4b8ec5da6cd906fddb71837ba7438b13f96ea095d6102673d
5d68001f1a762921f2203524901bc239c7b5d5da040f128b549a73740bf79a36
e219e0c0a2e353d69cc502b5560506d182a70a1340ecb415339a5645644256a7
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
Link:
https://www.unpac.me/results/1fb25132-e767-4627-aef3-549cca4e3b4c/
SH256 hash:
eb9659fe647ed73c38a6ed5cf811392aa36230b6ff91a8588d1b5ab557757eb0
MD5 hash:
0364f8100802aade2ab6f4027e7e7c2c
SHA1 hash:
17830b30799b545cf25f676a407608ca4be4c17c
Link:
https://www.unpac.me/results/1fb25132-e767-4627-aef3-549cca4e3b4c/
SH256 hash:
c1ca9701ebfcac721eab88693097a2187b83e05691b5bf417e10ee85fcb10dc5
MD5 hash:
e880e407ad56b02cb6209ef8281b35fe
SHA1 hash:
004bdc2eefc9fca777fa4665a72c608f17193477
Link:
https://www.unpac.me/results/1fb25132-e767-4627-aef3-549cca4e3b4c/
SH256 hash:
ef9a39b1d91ce4e4b8ec5da6cd906fddb71837ba7438b13f96ea095d6102673d
MD5 hash:
2d786f73aecc3d75addc5c6075ab89d8
SHA1 hash:
9322226f163a553839c47e89f500d3618b82b568
Link:
https://www.unpac.me/results/1fb25132-e767-4627-aef3-549cca4e3b4c/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ef9a39b1d91c/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/ef9a39b1d91ce4e4b8ec5da6cd906fddb71837ba7438b13f96ea095d6102673d

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/427324/

Comments