MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1143b577b1f61ea03807acd45383937486fd8f7873df1d1485848e0af7bc8780. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1143b577b1f61ea03807acd45383937486fd8f7873df1d1485848e0af7bc8780
SHA3-384 hash: c7ffd9946aff6663f8e6196adc8c4ca9bf6f11838b7f9135a7a5a1645ad36f85b85387718436929d753e0d06b3339752
SHA1 hash: 71f0fb6e0bb3fd74515879e10cd95278c7754943
MD5 hash: dab739408af61efe55f95973b108ebc1
humanhash: jersey-kentucky-cold-sixteen
File name:Purchase Order.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:486'731 bytes
First seen:2023-01-17 14:40:38 UTC
Last seen:2023-01-19 01:17:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 6144:aYa6PytBqVw9GBT8HDpn6WIAUfrerui7N5zOTqXI1B2:aYFytCw9fjRIAUfr+uiPzCqYu
Threatray 19'906 similar samples on MalwareBazaar
TLSH T188A4F407DE884603D77205FD9612B9D6F36D1C0127F36A8ACBD139351AF2BA3A2BD944
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon a2aab2aab29aa2b2 (1 x AgentTesla)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
237
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order.exe
Verdict:
Malicious activity
Analysis date:
2023-01-17 14:45:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b2670013-5704-4afb-836c-7deacf98775e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/353859/
Detection(s):
SecuriteInfo.com.Win32.Malware-gen.10319.9876.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/60996/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
floxif overlay packed shell32.dll virus
Link:
https://www.filescan.io/uploads/63c6b37fbda854045c18f2f4/reports/2c05a2ae-b776-4b8b-8bd8-ccec15cdeb44/overview
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/696dd0de-f19e-4811-90f9-7162a80ad003
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1153159
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Executable has a suspicious name (potential lure to open the executable)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Initial sample is a PE file and has a suspicious name
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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)
Snort IDS alert for network traffic
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 785891 Sample: Purchase Order.exe Startdate: 17/01/2023 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected AgentTesla 2->48 50 2 other signatures 2->50 7 Purchase Order.exe 19 2->7         started        10 ikfjisa.exe 2->10         started        13 ikfjisa.exe 2->13         started        process3 file4 28 C:\Users\user\AppData\Local\...\kiifahmc.exe, PE32 7->28 dropped 15 kiifahmc.exe 1 2 7->15         started        58 Multi AV Scanner detection for dropped file 10->58 19 WerFault.exe 3 10 10->19         started        22 WerFault.exe 10 13->22         started        signatures5 process6 dnsIp7 30 C:\Users\user\AppData\Roaming\...\ikfjisa.exe, PE32 15->30 dropped 36 Multi AV Scanner detection for dropped file 15->36 38 Detected unpacking (changes PE section rights) 15->38 40 Detected unpacking (creates a PE file in dynamic memory) 15->40 42 6 other signatures 15->42 24 kiifahmc.exe 2 15->24         started        32 192.168.2.1 unknown unknown 19->32 file8 signatures9 process10 dnsIp11 34 focuzpartsmart.com 162.240.214.202, 49715, 587 UNIFIEDLAYER-AS-1US United States 24->34 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->52 54 Tries to steal Mail credentials (via file / registry access) 24->54 56 Tries to harvest and steal browser information (history, passwords, etc) 24->56 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1143b577b1f61ea03807acd45383937486fd8f7873df1d1485848e0af7bc8780/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-01-17 12:36:50 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cfb3k55r6ypkaoahvtkfha4tosdp3d3yoppr2fefqshav554q6aa._file
Verdict:
malicious
Similar samples:
25483a164b2ab3cb283f494f2022793b99595bbf3af41b0620dcd3b0d3d612be
AgentTesla
25b27e5c1df7120d6e40538d6561ee0d056c7dacfdb7c63856430cb576418e60
AgentTesla
2a0393524bb81273a391ec8a495de0d0bbbe17c064c081121637b125d6bfb2f5
AgentTesla
2a337be525a3f68d207606caada2c865cbea51c0b671fdf5e6809b7b145f281f
AgentTesla
6e990492f3bb08e8ae69669a7c491e9d401fc10f0c2ed6ab9377c385acab5aac
AgentTesla
a5d34ece4e0c8709f29adb00104f06ec740cbd5aa4e1c144c911fd16f5494ad1
AgentTesla
cb4c05bf0a3cc9a2157b5b7799e3bdad472a0b677743ebb59803fa8934def97f
AgentTesla
d11c0f5febcc93e63347d730f9e7c841db54ec0c7e10a2c3a2bfaea6905e7782
AgentTesla
d548bfcde55e09b8314b273b6fc1eff79563961b965cb83a763f4bb1b6c424ac
AgentTesla
+ 19'896 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
collection persistence spyware stealer
Link:
https://tria.ge/reports/230117-r2f1kshe39/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
Unpacked files
SH256 hash:
13f3862ee9b9a445d36ae99d6622cf6fd8a84597912b4c0f5060ca551d0e3fef
MD5 hash:
e15b474e087940f3ea962a7c78bb05f5
SHA1 hash:
e65ad1bbb9f0c4eb2d8ce855177bca5a1521ff20
Link:
https://www.unpac.me/results/f5b1b549-b900-4e48-9cb6-6df0af588155/
SH256 hash:
026f80d9b1e35abcc09c31f1e62cfeefd3feea19ed5ee48500d752ef3b40612d
MD5 hash:
cc5318b3244e939a420fd9d7b6d87b79
SHA1 hash:
78f2511aff20bcb78459e66b6b210ecb5f14d103
Link:
https://www.unpac.me/results/f5b1b549-b900-4e48-9cb6-6df0af588155/
SH256 hash:
8ffb031303cb3829049b2a4065f8f01a1bc621ff82725fadac6ad850b0a3b296
MD5 hash:
01a97485e67aa421ae22f3fb9b6c523c
SHA1 hash:
c463449c4fea4d9cb335560e730406152c7c8b8b
Link:
https://www.unpac.me/results/f5b1b549-b900-4e48-9cb6-6df0af588155/
SH256 hash:
1143b577b1f61ea03807acd45383937486fd8f7873df1d1485848e0af7bc8780
MD5 hash:
dab739408af61efe55f95973b108ebc1
SHA1 hash:
71f0fb6e0bb3fd74515879e10cd95278c7754943
Link:
https://www.unpac.me/results/f5b1b549-b900-4e48-9cb6-6df0af588155/
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/1143b577b1f61ea03807acd45383937486fd8f7873df1d1485848e0af7bc8780

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:pe_imphash
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/353859/

Comments