MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b38d650ba9f5c3d4010a044ef0a779cdaf63a65c38d29ca0ec934eba459d914a. 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: 9


Intelligence 9 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b38d650ba9f5c3d4010a044ef0a779cdaf63a65c38d29ca0ec934eba459d914a
SHA3-384 hash: 5c948b19ebd116b77cafd5d59b425281430dcee0f6328e22228197a20a4365d4bcd6b8d2395f22a657559758d77c4146
SHA1 hash: a2cfae1e2e1af1421aea877cc436a3ba5ba90824
MD5 hash: 3b002ee01e915cca7d4f61cec2e3e3d8
humanhash: bulldog-ohio-timing-mexico
File name:Swift Copy.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:110'256 bytes
First seen:2020-10-10 06:51:47 UTC
Last seen:2020-10-10 08:04:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 768:NSoS0t4SSDDx5KQTVf+k8VNsH1qxeL4MztGgn2DlGQKUf2hiG:MR0tIDDPtVqeoekMYg2DlZKUfu
Threatray 427 similar samples on MalwareBazaar
TLSH FEB30F5B6481FD12C7FB9B3906D6C8A619F89BB30424B15849C31EACFE471223B166DF
Reporter abuse_ch
Tags:AgentTesla exe Hostwinds


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: hwsrv-785563.hostwindsdns.com
Sending IP: 192.255.235.153
From: Liam Northover <lnorthover@alspec.com.au>
Reply-To: lnorthover.alspec.au@gmail.com
Subject: Re: Payment Swift Copy
Attachment: Swift Copy.lha (contains "Swift Copy.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/69700/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Sending a UDP request
DNS request
Sending a custom TCP request
Adding an access-denied ACE
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Adding exclusions to Windows Defender
Enabling autorun
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/487410
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Connects to a pastebin service (likely for C&C)
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Drops PE files to the startup folder
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 296149 Sample: Swift Copy.exe Startdate: 10/10/2020 Architecture: WINDOWS Score: 100 62 Multi AV Scanner detection for dropped file 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 Yara detected AgentTesla 2->66 68 9 other signatures 2->68 7 Swift Copy.exe 24 6 2->7         started        12 Swift Copy.exe 2->12         started        14 Swift Copy.exe 2->14         started        16 3 other processes 2->16 process3 dnsIp4 58 pastebin.com 104.23.98.190, 443, 49712 CLOUDFLARENETUS United States 7->58 52 C:\Users\user\AppData\...\Swift Copy.exe, PE32 7->52 dropped 54 C:\Users\...\Swift Copy.exe:Zone.Identifier, ASCII 7->54 dropped 70 Creates an undocumented autostart registry key 7->70 72 Creates autostart registry keys with suspicious names 7->72 74 Creates multiple autostart registry keys 7->74 76 Injects a PE file into a foreign processes 7->76 18 WerFault.exe 7->18         started        21 powershell.exe 7->21         started        24 powershell.exe 24 7->24         started        32 5 other processes 7->32 60 104.23.99.190, 443, 49719, 49720 CLOUDFLARENETUS United States 12->60 78 Adds a directory exclusion to Windows Defender 12->78 80 Hides threads from debuggers 12->80 26 timeout.exe 12->26         started        28 timeout.exe 14->28         started        30 timeout.exe 16->30         started        file5 signatures6 process7 dnsIp8 50 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 18->50 dropped 56 192.168.2.1 unknown unknown 21->56 34 conhost.exe 21->34         started        36 conhost.exe 24->36         started        38 conhost.exe 26->38         started        40 conhost.exe 28->40         started        42 conhost.exe 30->42         started        44 conhost.exe 32->44         started        46 conhost.exe 32->46         started        48 conhost.exe 32->48         started        file9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b38d650ba9f5c3d4010a044ef0a779cdaf63a65c38d29ca0ec934eba459d914a/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Suspicious
First seen:
2020-10-09 15:21:11 UTC
AV detection:
28 of 48 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wogwkc5j6xb5iaikarhpbj3zzwxwhjs4hdjjzihmsnhlurm5sffa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 417 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla evasion persistence
Link:
https://tria.ge/reports/201010-9fmqm1fmzs/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
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
Windows security modification
AgentTesla
Modifies WinLogon for persistence
Modifies Windows Defender Real-time Protection settings
Windows security bypass
Turns off Windows Defender SpyNet reporting
Unpacked files
SH256 hash:
b38d650ba9f5c3d4010a044ef0a779cdaf63a65c38d29ca0ec934eba459d914a
MD5 hash:
3b002ee01e915cca7d4f61cec2e3e3d8
SHA1 hash:
a2cfae1e2e1af1421aea877cc436a3ba5ba90824
Link:
https://www.unpac.me/results/7e02715a-9fc8-4e38-9235-813c28be4d1d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Dropper
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/b38d650ba9f5c3d4010a044ef0a779cdaf63a65c38d29ca0ec934eba459d914a

File information

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

Malspam

AgentTesla

zip 74887b9b272ae5164770280337d67c87a3580c2988737dc72d5b0a219f2fee24

AgentTesla

Executable exe b38d650ba9f5c3d4010a044ef0a779cdaf63a65c38d29ca0ec934eba459d914a

(this sample)

  
Dropped by
MD5 4b3d3ede94e0f7890a11f7d41ea9a1f7
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/69700/
  
Dropped by
SHA256 74887b9b272ae5164770280337d67c87a3580c2988737dc72d5b0a219f2fee24

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