MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26
SHA3-384 hash: 6bb6207588e23e716031f2ebca70db27224a6eeabcadd54c313b37679bf218bae808da7aca13220b011aa04efbd9ae23
SHA1 hash: 66850a40b2b77f8f89f8882a5f8aecc87110945e
MD5 hash: 69eb8a758814ce93b09578f47aba4c19
humanhash: montana-winner-florida-alaska
File name:ft1c15Foet4wBDv.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:773'120 bytes
First seen:2024-06-11 06:28:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:4bKDA7hW9s72Rw4iJQPxUCbwlM5cd39KKcZuoni5Y2rKDEbnv77PACR5leZlN2b:4bPWO7D4iJq0lM5EQzjngLHDDA+erob
TLSH T1B6F4124133A84AA1E59D67B52039D180537A3E42A73AD70D3EC033DE5D37F12A9E2B67
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
358
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26.exe
Verdict:
Malicious activity
Analysis date:
2024-06-11 06:42:27 UTC
Tags:
evasion smtp agenttesla stealer
Link:
https://app.any.run/tasks/9b7102b0-a3cd-46a3-b9c1-e7099f2bacba

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Msilheracles-10020638-0
Create hunting rule

Win.Packed.Agensla-10021078-0
Create hunting rule

Win.Dropper.Nanocore-10024150-0
Create hunting rule

Win.Packed.LokiBot-10026312-0
Create hunting rule

Win.Packed.LokiBot-10027126-0
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6667eee3a439c6d6b0876ebewin7simulatehigh_evasion
Tags:
Generic Network Static Gensteal
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Setting a keyboard event handler
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6667eeaf6b8dba248b3f6313/reports/25f08f3c-8c90-41f9-a969-9d60a5a6424c/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26
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/05782641-4c01-409a-9fdb-7a5e1e9b6e1e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1454956
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
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)
Contains functionality to register a low level keyboard hook
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
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 Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1454956 Sample: ft1c15Foet4wBDv.exe Startdate: 11/06/2024 Architecture: WINDOWS Score: 100 17 mail.alitextile.com 2->17 19 ip-api.com 2->19 21 api.ipify.org 2->21 29 Found malware configuration 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 8 other signatures 2->35 7 ft1c15Foet4wBDv.exe 3 2->7         started        signatures3 process4 file5 15 C:\Users\user\...\ft1c15Foet4wBDv.exe.log, ASCII 7->15 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->37 39 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->39 41 Contains functionality to register a low level keyboard hook 7->41 43 2 other signatures 7->43 11 ft1c15Foet4wBDv.exe 14 2 7->11         started        signatures6 process7 dnsIp8 23 mail.alitextile.com 192.185.143.105, 49718, 49730, 49731 UNIFIEDLAYER-AS-1US United States 11->23 25 ip-api.com 208.95.112.1, 49715, 80 TUT-ASUS United States 11->25 27 api.ipify.org 104.26.13.205, 443, 49713 CLOUDFLARENETUS United States 11->27 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file / registry access) 11->47 49 Tries to harvest and steal browser information (history, passwords, etc) 11->49 51 Installs a global keyboard hook 11->51 signatures9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-06-11 05:09:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wimdoydwrnw77m6d6tbikegg4mwk4es5i325jycgxpp5qygunmta._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240611-g8xxkaxend/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads WinSCP keys stored on the system
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5c2aa992-cac4-4b08-bd83-895b18436e0f
Unpacked files
SH256 hash:
ecf641d27874506a1007cf1e32eaf4c1bed2ee207734845b7657cd37ed7fbbee
MD5 hash:
1086e9b89e54f7b81803d025de0f4bab
SHA1 hash:
d3dcdf02c8fa6e71ba2290b315551ce725a6a546
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/e7fb1d66-8474-46d5-8359-b50b1e472be6/
Parent samples :
b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26
96c5089380f7452f4695bc517e83cf49f38f5de59e82d8c1142c770545941285
3a2922837d9ef526c8e44c93e84decbf93f9c0ba34a43241c1f77f9594f26dec
SH256 hash:
1a1de9f3fe4c3a7ea7cd547cdd9d78b3873d6e243e544e5bb647452d6d9f6cfe
MD5 hash:
ceb52a5c98659e8905ea76737fe00c01
SHA1 hash:
bb7b30ff84d6aa26eaa0021c9fa3cd2c5a08e694
Link:
https://www.unpac.me/results/e7fb1d66-8474-46d5-8359-b50b1e472be6/
SH256 hash:
aa430a5dafb57749f17362741fe84eedcc902653ed0c539ebd6f1b3c15daa77b
MD5 hash:
c47a4e541ea184adfb2fdcb1d7e5d43e
SHA1 hash:
9b49eeaeab2e1a22807a47eecbc20f78c8f28f76
Link:
https://www.unpac.me/results/e7fb1d66-8474-46d5-8359-b50b1e472be6/
SH256 hash:
6243c709db7165f4a84036c0544b462ee9539412c61de6151a6aa18465659e48
MD5 hash:
5166d8930d5a1bf5a1738cc180587975
SHA1 hash:
4316633ea531432ff67776d1e59dcf8481a7cbbc
Link:
https://www.unpac.me/results/e7fb1d66-8474-46d5-8359-b50b1e472be6/
SH256 hash:
b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26
MD5 hash:
69eb8a758814ce93b09578f47aba4c19
SHA1 hash:
66850a40b2b77f8f89f8882a5f8aecc87110945e
Link:
https://www.unpac.me/results/e7fb1d66-8474-46d5-8359-b50b1e472be6/
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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 b2183760768b6dffb3c3f4c28510c6e32cae125d46f5d4e046bbdfd860d46b26

(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