MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71720ec77fe5f1bf93446abc71b1ae23da1e5bff3d45ca6eb0d52e8739e4a155. 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: 10


Intelligence 10 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 71720ec77fe5f1bf93446abc71b1ae23da1e5bff3d45ca6eb0d52e8739e4a155
SHA3-384 hash: ceb52049cada8fe2dd59a23b9affe5e4a7ac04ed999083a1c9d02ddd6022aa3793204bec5e6563d0226316b165aa3bf6
SHA1 hash: 710b1bbbc832ee1941d0c8ed720a9876ad3e0ffd
MD5 hash: b96e3b103aa07bd9348f3d5d265b15ab
humanhash: california-four-romeo-uncle
File name:Doc1507161RFQ.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:28'672 bytes
First seen:2022-09-30 11:52:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 192:DQnIue9/6LKH75zAf8+yG2WWaP0xaZ/mhhhhhhyixp6Xw+Cp2qkFt5:MIP9yLm5zt+Cfasxc+hhhhhht5+pR
Threatray 19'492 similar samples on MalwareBazaar
TLSH T1B1D20A33E2ABC54BC2A4DD74F8F6824412E9AC5C381CB67D78A918E69432D447FC3E55
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 484845434b4d0018 (1 x AgentTesla)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla C2:
http://45.155.165.63/ch1t/inc/c20966a2dd74ab.php

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://45.155.165.63/ch1t/inc/c20966a2dd74ab.php https://threatfox.abuse.ch/ioc/858680/

Intelligence

File Origin
# of uploads :
1
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/315152/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6336d89f78d4acb349f38979/reports/5afac8b6-b856-4b93-bfa2-0429585ca4c5/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/46f835b6-4b90-4d19-b0fb-1756b5157f6d
Result
Threat name:
Unknown
Detection:
malicious
Classification:
spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1080850
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for dropped file
Creates multiple autostart registry keys
Drops script or batch files to the startup folder
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Drops script at startup location
Sigma detected: Register Wscript In Run Key
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Wscript called in batch mode (surpress errors)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 713406 Sample: Doc1507161RFQ.exe Startdate: 30/09/2022 Architecture: WINDOWS Score: 100 54 Sigma detected: Register Wscript In Run Key 2->54 56 Snort IDS alert for network traffic 2->56 58 Antivirus detection for dropped file 2->58 60 6 other signatures 2->60 7 Doc1507161RFQ.exe 19 8 2->7         started        12 office.exe 14 3 2->12         started        14 wscript.exe 2->14         started        16 4 other processes 2->16 process3 dnsIp4 50 45.155.165.63, 49697, 49699, 49700 AGROSVITUA Russian Federation 7->50 42 C:\Users\user\AppData\Roaming\...\office.exe, PE32 7->42 dropped 44 C:\Users\user\...\office.exe:Zone.Identifier, ASCII 7->44 dropped 46 C:\Users\user\...xeyjnirhcoeobuild.js, ASCII 7->46 dropped 48 C:\Users\user\...\Doc1507161RFQ.exe.log, ASCII 7->48 dropped 78 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->78 80 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->80 82 Encrypted powershell cmdline option found 7->82 86 2 other signatures 7->86 18 wscript.exe 3 3 7->18         started        22 Doc1507161RFQ.exe 2 7->22         started        24 powershell.exe 16 7->24         started        26 Doc1507161RFQ.exe 7->26         started        84 Machine Learning detection for dropped file 12->84 28 powershell.exe 12->28         started        file5 signatures6 process7 file8 38 C:\Users\user\...xeyjnirhcoeobuild.js, ASCII 18->38 dropped 40 C:\Users\user\...xeyjnirhcoeobuild.js, ASCII 18->40 dropped 62 System process connects to network (likely due to code injection or exploit) 18->62 64 Drops script or batch files to the startup folder 18->64 66 Creates multiple autostart registry keys 18->66 74 2 other signatures 18->74 30 wscript.exe 7 18->30         started        68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->68 70 Tries to steal Mail credentials (via file / registry access) 22->70 72 Tries to harvest and steal ftp login credentials 22->72 76 2 other signatures 22->76 34 conhost.exe 24->34         started        36 conhost.exe 28->36         started        signatures9 process10 dnsIp11 52 rze6.sytes.net 45.155.165.70, 4000 AGROSVITUA Russian Federation 30->52 88 System process connects to network (likely due to code injection or exploit) 30->88 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/71720ec77fe5f1bf93446abc71b1ae23da1e5bff3d45ca6eb0d52e8739e4a155/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-09-30 11:53:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ofza5r374xy37e2enk6hdmnoepnb4w77hvc4u3vq2uxioopeufkq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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d1be2499de89be1f90b8fba3abbf20cfd30152c3ae10674152b2604ac86d76ac
AgentTesla
+ 19'482 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220930-n2al1sddh9/
Behaviour
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Drops startup file
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Blocklisted process makes network request
AgentTesla
Malware Config
C2 Extraction:
http://45.155.165.63/ch1t/inc/c20966a2dd74ab.php
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e5f67d81-10fd-416b-9b9a-52d0d374f28d
Unpacked files
SH256 hash:
71720ec77fe5f1bf93446abc71b1ae23da1e5bff3d45ca6eb0d52e8739e4a155
MD5 hash:
b96e3b103aa07bd9348f3d5d265b15ab
SHA1 hash:
710b1bbbc832ee1941d0c8ed720a9876ad3e0ffd
Link:
https://www.unpac.me/results/2c0f9efb-6cb4-43ce-8647-c297763d972a/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/71720ec77fe5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/71720ec77fe5f1bf93446abc71b1ae23da1e5bff3d45ca6eb0d52e8739e4a155

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/315152/

Comments