MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d4b2b31829b54d3bd07e43acf905e6dab9b872948a4e6df5509549089a99823. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4d4b2b31829b54d3bd07e43acf905e6dab9b872948a4e6df5509549089a99823
SHA3-384 hash: 3f9d9dc0d535b073dcfcf644282e9c7da6570d315151f6754b1b8c9eed672ec8a6bf5d3ba60472c69dc597810a3ef041
SHA1 hash: 89b57dcff582300a0db3aa0d8ef8993eed6b603d
MD5 hash: 4ee983f38680508448960f58c33914ac
humanhash: mango-arizona-football-alaska
File name:swift_876423.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:905'216 bytes
First seen:2023-10-23 10:04:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:PVX9K7fZM/O6SVVU3LyBcl96VLowgZIdDFIy75s1dtqbPFvtpEL:PVtUyNk8GPVkwgZIdDhqdiFvtpE
Threatray 410 similar samples on MalwareBazaar
TLSH T18715287C11299A8CF3A482BEB1724CFF57963C1F80B7B5F7A12CB4970EA97D21402661
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter cocaman
Tags:AgentTesla exe SWIFT

Intelligence

File Origin
# of uploads :
1
# of downloads :
311
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
swift_876423.exe
Verdict:
Malicious activity
Analysis date:
2023-10-23 10:07:57 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/680f06dc-9365-4b07-80c1-45a01234b886

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Rogue.0hr.20231011-2035.UNOFFICIAL
Create hunting rule

Win.Dropper.Malaz-9939293-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/653645524678fc28dfc5cae4/reports/5ecc8537-b244-4be1-a689-5e5b6502f1cf/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/4d4b2b31829b54d3bd07e43acf905e6dab9b872948a4e6df5509549089a99823
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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b8a0ba7d-a2d2-4db1-a937-3015b6ac9879
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1330458
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1330458 Sample: swift_876423.exe Startdate: 23/10/2023 Architecture: WINDOWS Score: 100 38 mail.sgbumperscar.com 2->38 40 sgbumperscar.com 2->40 42 2 other IPs or domains 2->42 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 8 other signatures 2->54 8 swift_876423.exe 7 2->8         started        12 xiFLhxZSG.exe 5 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Roaming\xiFLhxZSG.exe, PE32 8->34 dropped 36 C:\Users\user\AppData\Local\...\tmpD808.tmp, XML 8->36 dropped 56 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->56 58 Uses schtasks.exe or at.exe to add and modify task schedules 8->58 60 Adds a directory exclusion to Windows Defender 8->60 62 Injects a PE file into a foreign processes 8->62 14 swift_876423.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        64 Antivirus detection for dropped file 12->64 66 Multi AV Scanner detection for dropped file 12->66 68 Machine Learning detection for dropped file 12->68 22 xiFLhxZSG.exe 14 2 12->22         started        24 schtasks.exe 1 12->24         started        26 xiFLhxZSG.exe 12->26         started        signatures6 process7 dnsIp8 44 api4.ipify.org 64.185.227.156, 443, 49710, 49712 WEBNXUS United States 14->44 46 sgbumperscar.com 119.17.253.214, 49711, 49713, 587 NETNAM-AS-APNetnamCompanyVN Viet Nam 14->46 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->70 72 Tries to steal Mail credentials (via file / registry access) 22->72 74 Tries to harvest and steal browser information (history, passwords, etc) 22->74 32 conhost.exe 24->32         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4d4b2b31829b54d3bd07e43acf905e6dab9b872948a4e6df5509549089a99823
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4d4b2b31829b54d3bd07e43acf905e6dab9b872948a4e6df5509549089a99823/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-10-11 17:25:36 UTC
AV detection:
16 of 21 (76.19%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jvfswmmctnknhpih4q5m7ec6nwvzxbzjjcsonx2vbfkjbcnjtarq._file
Verdict:
malicious
Similar samples:
1890dfadf428c5c686f1166c360cf2a49c15ee73d32a35af1e76dff9efc155d3
AgentTesla
1d7ba87ef098e682fe446aff99666187825ea04db1b8d04ba5f9fa26af14fa9a
AgentTesla
853fa6034ade647d4330738bc7f9343cd5b2a0caf65ce86bdba79a23fcba4a10
AgentTesla
d58f020149bf471223bd3df04f402e3d3e5710bc788646df28d61791dcdda2aa
AgentTesla
e6dc643614e1ab6b1809cd46b3e820157a12222c862558b12ba77568ad1c5c92
AgentTesla
e8d0cc3c7ea34571768f840ae00c2f81f08ce08a1cf237c2374f47bd3f0da646
AgentTesla
f8fe2b2ea77e10ff5a8256bc177f299d30ec5601518d6fd27de2d599d516a114
AgentTesla
+ 400 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231023-l4hdjahf62/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
a040efb5ce92995b5d40fd2536c8ad6a93f2d8584a3dd52f07cdb0b34c9e6e29
MD5 hash:
a5a52675690de850e3de6c05a9bd885f
SHA1 hash:
fd953edf2e910fbb43c9e6d4c8d48632bb4e55c6
Link:
https://www.unpac.me/results/14aca45a-9649-4272-bce9-a5e223fd190f/
SH256 hash:
c1aaa51f66da033b5914a7f21df646606815bf8cc8f4ffd2d99930aa4b4c9a41
MD5 hash:
a08a66f06897be51c14b919bcc4d47ea
SHA1 hash:
f9c750ee7ca49031cb4c9f37d1932937b6a16785
Link:
https://www.unpac.me/results/14aca45a-9649-4272-bce9-a5e223fd190f/
SH256 hash:
262611bf98f4e161a34f01686e175d2d46d173812c3d64be882ed8baaad5c932
MD5 hash:
49c952d876a5a4ff917369ebe7f1a8e5
SHA1 hash:
eca63a0f3489780e60d60e2176cd0bafec97ddeb
Link:
https://www.unpac.me/results/14aca45a-9649-4272-bce9-a5e223fd190f/
SH256 hash:
95bcdb36ea04ac618c085d218c16e994eb39080ea9e81024cd346c75fa83438b
MD5 hash:
a2d1a58f5ce44cab11865085de306c50
SHA1 hash:
212505087b5c3bc7227433b04a9c89f1d2bc383d
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/14aca45a-9649-4272-bce9-a5e223fd190f/
Parent samples :
4d4b2b31829b54d3bd07e43acf905e6dab9b872948a4e6df5509549089a99823
95bcdb36ea04ac618c085d218c16e994eb39080ea9e81024cd346c75fa83438b
SH256 hash:
4d4b2b31829b54d3bd07e43acf905e6dab9b872948a4e6df5509549089a99823
MD5 hash:
4ee983f38680508448960f58c33914ac
SHA1 hash:
89b57dcff582300a0db3aa0d8ef8993eed6b603d
Link:
https://www.unpac.me/results/14aca45a-9649-4272-bce9-a5e223fd190f/
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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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.

Malspam

AgentTesla

z 25f72ea3176878f5baa4f12c92e813fa6479c006c4676b3c1b8d2f1bf0583c67

AgentTesla

Executable exe 4d4b2b31829b54d3bd07e43acf905e6dab9b872948a4e6df5509549089a99823

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 25f72ea3176878f5baa4f12c92e813fa6479c006c4676b3c1b8d2f1bf0583c67
  
Dropped by
MD5 41983d25a4a7b90c3652fe6475753b1b

Comments