MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3b54b1b12f48682ca31c77c5783db4c235268c52fcf11f2f7a3ee0364c9f8df. 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 1

SHA256 hash: c3b54b1b12f48682ca31c77c5783db4c235268c52fcf11f2f7a3ee0364c9f8df
SHA3-384 hash: 8de5a3e8e6accb23394b92441ae0eb82230ba09f4e31468c206c14425454a2d486189f71090b03a2067715d34eabd3e4
SHA1 hash: 13d0575bffee9c37a4bd83f9636b1f0cd028f975
MD5 hash: 71bc3a380454c4bf0c29f7ce462f5a44
humanhash: shade-alaska-three-diet
File name:71bc3a380454c4bf0c29f7ce462f5a44
Download: download sample
Signature AgentTesla
File size:2'211'157 bytes
First seen:2022-10-26 17:53:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 49152:4y5hTTa4Yo5Me034JIJRxi0fT7SEfxmhnlyIgdDG69:4y3uxj8uNvx4n8S69
TLSH T1C8A52303B7E2C8B3D53356319E7ABA115A78B9305E78C20B63B4096DE670491673DFB2
TrID 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 8948ecca71e8cc10 (4 x AgentTesla, 4 x NanoCore)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
280
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
71bc3a380454c4bf0c29f7ce462f5a44
Verdict:
Malicious activity
Analysis date:
2022-10-26 17:55:12 UTC
Tags:
autoit trojan nanocore rat agenttesla

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
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Creating a process from a recently created file
Creating a file
Adding an access-denied ACE
Launching a process
Creating a file in the %AppData% subdirectories
Forced system process termination
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a single autorun event
Stealing user critical data
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
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.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
88 / 100
Signature
Antivirus detection for dropped file
Creates autostart registry keys with suspicious values (likely registry only malware)
Creates multiple autostart registry keys
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected AntiVM autoit script
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 731315 Sample: 9THNS7hvaF.exe Startdate: 26/10/2022 Architecture: WINDOWS Score: 88 70 Snort IDS alert for network traffic 2->70 72 Multi AV Scanner detection for submitted file 2->72 74 Yara detected AntiVM autoit script 2->74 8 9THNS7hvaF.exe 3 41 2->8         started        11 ddkvmcjj.exe 1 1 2->11         started        14 wscript.exe 2->14         started        16 5 other processes 2->16 process3 file4 56 C:\Users\user\AppData\Local\Temp\...\gst.exe, PE32 8->56 dropped 58 C:\Users\user\AppData\Local\...\ddkvmcjj.exe, PE32 8->58 dropped 18 wscript.exe 1 8->18         started        20 gst.exe 35 8->20         started        76 Creates multiple autostart registry keys 11->76 23 cmd.exe 14->23         started        25 cmd.exe 1 16->25         started        27 cmd.exe 16->27         started        signatures5 process6 file7 29 ddkvmcjj.exe 2 6 18->29         started        54 C:\Users\user\AppData\Local\...\akfng.exe, PE32 20->54 dropped 33 wscript.exe 20->33         started        35 ddkvmcjj.exe 23->35         started        38 conhost.exe 23->38         started        40 conhost.exe 25->40         started        42 ddkvmcjj.exe 25->42         started        44 conhost.exe 27->44         started        46 ddkvmcjj.exe 27->46         started        process8 dnsIp9 60 C:\Users\user\AppData\Local\...\start.vbs, ASCII 29->60 dropped 78 Antivirus detection for dropped file 29->78 80 Multi AV Scanner detection for dropped file 29->80 82 Creates autostart registry keys with suspicious values (likely registry only malware) 29->82 84 Creates multiple autostart registry keys 29->84 48 akfng.exe 33->48         started        62 192.168.2.1 unknown unknown 35->62 file10 signatures11 process12 file13 52 C:\Users\user\AppData\Local\...\start.vbs, Unknown 48->52 dropped 64 Antivirus detection for dropped file 48->64 66 Creates autostart registry keys with suspicious values (likely registry only malware) 48->66 68 Creates multiple autostart registry keys 48->68 signatures14
Threat name:
Win32.Trojan.NanoBot
Status:
Malicious
First seen:
2022-10-26 11:10:12 UTC
File Type:
PE (Exe)
Extracted files:
104
AV detection:
19 of 39 (48.72%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:agenttesla family:nanocore collection keylogger persistence spyware stealer trojan
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
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
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
AgentTesla
NanoCore
Malware Config
C2 Extraction:
37.139.128.94:6000
Unpacked files
SH256 hash:
e3ca2df70331f54bf16b4f34f45dfae51a652577e05b3330bc6b229a706a6385
MD5 hash:
22fed14610c448ff3c4df7771363f450
SHA1 hash:
c2a6acd7019cb2a74ee5800af64bfc8de9061fa6
SH256 hash:
b9c26250b9a040b9417af7a1a2c4806e7627c21942a3b52b9326197e9c0f4958
MD5 hash:
b890097550a360986a30ddbd955c8e62
SHA1 hash:
3a89dcc3fc7f33f2188d1a587e5bc14cca69649a
SH256 hash:
cf70a02d524d2c98ad7e8cc24fb97bceee4452e0367a5b885d3842d59cb3a20c
MD5 hash:
d1c7f3761780b3a3c11e3ac383c6bea4
SHA1 hash:
139a579b2ba74051d6d9d2964b0bc42ceafc5d6d
Detections:
win_nanocore_w0
SH256 hash:
c3b54b1b12f48682ca31c77c5783db4c235268c52fcf11f2f7a3ee0364c9f8df
MD5 hash:
71bc3a380454c4bf0c29f7ce462f5a44
SHA1 hash:
13d0575bffee9c37a4bd83f9636b1f0cd028f975
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:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:sfx_pdb
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:sfx_pdb_winrar_restrict
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AgentTesla

Executable exe c3b54b1b12f48682ca31c77c5783db4c235268c52fcf11f2f7a3ee0364c9f8df

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-10-26 17:53:41 UTC

url : hxxp://oslobikerental.no.ww18.online4u.no/wp-includes/ID2/ups/Ref671005018.exe