MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71f0d877355b9ff2ab95363a269c20450b89770dce09cbfdfa00c1e1ec1b5d52. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: 71f0d877355b9ff2ab95363a269c20450b89770dce09cbfdfa00c1e1ec1b5d52
SHA3-384 hash: 2910f5c9d7c9d327034b3bf75b43dbbb0e72cd4f5e6e26f4ffa54645e09d411b4d93b9cbcc1d6c15662127cddfc4dc20
SHA1 hash: a55a71ee2acf18ce8e060507098cd4bd08b347d0
MD5 hash: 437d57b4480899e50a1743331a962403
humanhash: crazy-victor-arkansas-carpet
File name:MNi84ByHcPxtErO.exe
Download: download sample
Signature AgentTesla
File size:821'760 bytes
First seen:2021-09-27 13:13:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:JM8BJJa6H60+r6XApcliGlSoBrK5KoWEpCT2DaTUqzN236x6epa6H60+J:pF+GXARWBrKRO2DaTFzNc6JF+J
Threatray 10'290 similar samples on MalwareBazaar
TLSH T1B805BE2236682863C76D86F9D013910283F39D577E4EEBC85CD130EF99F1B5AA742693
File icon (PE):PE icon
dhash icon 00868ecccce8cc10 (13 x AgentTesla, 9 x Formbook, 2 x NanoCore)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MNi84ByHcPxtErO.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-27 13:15:34 UTC
Tags:
n/a

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

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Modifies the hosts 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)
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 steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 491442 Sample: MNi84ByHcPxtErO.exe Startdate: 27/09/2021 Architecture: WINDOWS Score: 100 30 priserveinfra.com 2->30 32 mail.priserveinfra.com 2->32 34 Found malware configuration 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected AgentTesla 2->38 40 5 other signatures 2->40 7 MNi84ByHcPxtErO.exe 3 2->7         started        10 NXLun.exe 2 2->10         started        12 NXLun.exe 1 2->12         started        signatures3 process4 file5 24 C:\Users\user\...\MNi84ByHcPxtErO.exe.log, ASCII 7->24 dropped 14 MSBuild.exe 2 4 7->14         started        18 MSBuild.exe 7->18         started        20 conhost.exe 10->20         started        22 conhost.exe 12->22         started        process6 file7 26 C:\Users\user\AppData\Roaming\...26XLun.exe, PE32 14->26 dropped 28 C:\Windows\System32\drivers\etc\hosts, ASCII 14->28 dropped 42 Tries to steal Mail credentials (via file access) 14->42 44 Tries to harvest and steal browser information (history, passwords, etc) 14->44 46 Modifies the hosts file 14->46 48 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->48 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->50 52 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 18->52 signatures8
Threat name:
ByteCode-MSIL.Trojan.Tnega
Status:
Malicious
First seen:
2021-09-27 02:02:43 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
c7bf2d9a79f99b58e183d5c45718867b06bebcfb93201b357a532c11a4091fef
MD5 hash:
9ba3a02fc80ca8474376507acf7e5f45
SHA1 hash:
8c5a047928f41218542387d3d1dec6791c1ddaad
SH256 hash:
033bacb7551c87e37e14f98b5ea8edcd6457b92e3d7c2a44e295bb79d1c1a916
MD5 hash:
fafb5a405cf51136676792da064a337f
SHA1 hash:
813a79100f1be6d466348ac0fbb9576ba5e9ef49
SH256 hash:
18474cf9da04def81d34f4eb0ea492c0115b5f64631ed69b286f5765333b7f77
MD5 hash:
a0c7fa7d70475deeaeae55c09a09431a
SHA1 hash:
33016d5dba769bbf66954bac7553d25f6c3afc15
SH256 hash:
efd2f7657839b252c2fb8489c1ccf610b8e57b471efe049de86a74bc1506775d
MD5 hash:
c3f3e4a9e9ab54bf847a9fc02e7a2160
SHA1 hash:
0853bec33e36ede763927cda0f03129ca763bc07
SH256 hash:
71f0d877355b9ff2ab95363a269c20450b89770dce09cbfdfa00c1e1ec1b5d52
MD5 hash:
437d57b4480899e50a1743331a962403
SHA1 hash:
a55a71ee2acf18ce8e060507098cd4bd08b347d0
Malware family:
Agent Tesla v3
Verdict:
Malicious
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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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

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