MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a8f1554ac6f25b7e7248c056cc650a0961136fa525d691c61fd3e593045c0adb. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a8f1554ac6f25b7e7248c056cc650a0961136fa525d691c61fd3e593045c0adb
SHA3-384 hash: 4e3b11d28e868267fbcbca9575e3aeca45eb1832e43c989f6cb42616977fb7b9074ba2c144b0f8b19941e9198119f1e2
SHA1 hash: f18cf566ef90f983293b680da9d70323f4448a4d
MD5 hash: 1f25ca1a402a561aea8d04c12f7179eb
humanhash: grey-apart-burger-diet
File name:SWIFT.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:637'440 bytes
First seen:2023-09-12 16:56:06 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:T2iNZ1D4dcFmbO88DeGfQrwFntMC04CRfyM4cC7ZaNUzeQDD:T1pD4SFZDeoQ9C04ccg7yD
Threatray 1'281 similar samples on MalwareBazaar
TLSH T1ACD42342528EC771DC794BF9FC630B2327F868845A54DE0E1F8A19F29B96BC50494BE3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
305
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SWIFT.exe
Verdict:
Malicious activity
Analysis date:
2023-09-12 16:57:49 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/67bfb3bc-30a8-422c-9c9c-4c92ff3296ce

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/448235/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6500985e5c7a5c4220a2614e/reports/cb3d20d7-bd04-4e3b-b6ee-e8ce5dc2b9d9/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/a8f1554ac6f25b7e7248c056cc650a0961136fa525d691c61fd3e593045c0adb
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/5cd4061e-6467-425e-a056-beb56b98b6f2
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1308518
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
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
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)
Sample uses string decryption to hide its real strings
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 signatures2 2 Behavior Graph ID: 1308518 Sample: SWIFT.exe Startdate: 15/09/2023 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Sigma detected: Scheduled temp file as task from temp location 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 7 other signatures 2->47 7 SWIFT.exe 7 2->7         started        11 GZrEAjqF.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\RoamingbehaviorgraphZrEAjqF.exe, PE32 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmpC349.tmp, XML 7->37 dropped 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->49 51 Uses schtasks.exe or at.exe to add and modify task schedules 7->51 53 Adds a directory exclusion to Windows Defender 7->53 13 SWIFT.exe 2 7->13         started        17 powershell.exe 21 7->17         started        19 powershell.exe 21 7->19         started        21 schtasks.exe 1 7->21         started        55 Multi AV Scanner detection for dropped file 11->55 57 Machine Learning detection for dropped file 11->57 59 Injects a PE file into a foreign processes 11->59 23 GZrEAjqF.exe 11->23         started        25 schtasks.exe 11->25         started        signatures5 process6 dnsIp7 39 cp7nl.hyperhost.ua 185.174.172.194, 49725, 49726, 49727 ITLDC-NLUA Ukraine 13->39 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->61 63 Tries to steal Mail credentials (via file / registry access) 23->63 65 Tries to harvest and steal browser information (history, passwords, etc) 23->65 33 conhost.exe 25->33         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a8f1554ac6f25b7e7248c056cc650a0961136fa525d691c61fd3e593045c0adb/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-09-11 09:16:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
17 of 23 (73.91%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vdyvkswg6jnx44siyblmyzikbfqrg35fexljdrq72pszgbc4blnq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
3dc0ba891a9eb92c7264d339be2defe76aa995806602a23aea9f1e6c3f4da29a
AgentTesla
42f64eb101fb37f637595faf2cc36cf8e251594ce3a061f52f7396ee796b932e
AgentTesla
547ef38e3cb8d7e87dd274ab818ebe3d52f2054dde4aaab7c51e5aa3780d0c1f
AgentTesla
57bab10af9424bb39b4261d8938d946851694f2ff4841b3cf8f82364a40814f4
AgentTesla
6a45a4b3462eebbdb77b9da74b7ea99c093f7dc61d81c992069a68ce425f83f0
AgentTesla
6dac7514d424951b1e3091f61a94441b718c5e64e9dba95cfff15a51d8cde370
AgentTesla
8a0632e1cbf30a80d73a312e84ae2f4480012b0e1eb71bb224b280ee5fd1e7d7
AgentTesla
a33eafbcec3736e5d47d6c951a6824ed67a0e124131425f04e2e03864edf8502
AgentTesla
b8a76e849d701bfa5c38f38601659af658b512c274866d5aa51173420b93d249
AgentTesla
fa355d795ebffe4120aaf97fdb4f1fc6e856b07a2ddffa2555b185a7043e2280
AgentTesla
+ 1'271 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230912-vf811sgh53/
Behaviour
Creates scheduled task(s)
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
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:
6aa715a5ab63ab573934ae972a9b5175a126eaea4fead5ce3d14d3d3648ae5c4
MD5 hash:
63f724ebf8ec959870d640210bf9dc40
SHA1 hash:
71716d5820754b0c504d81847d68aaa1a568dabf
Link:
https://www.unpac.me/results/c74f6320-de18-4f2d-8c8a-877fb744d553/
SH256 hash:
6aa1063d4e797ca54daac7d0c0d24fad3e39e3732e00a726744983c12be11b37
MD5 hash:
15c93bcc756559c4c8423e1d2ac7dfec
SHA1 hash:
4ec2a066a729f367b8935c14a4a506edcf7520a9
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/c74f6320-de18-4f2d-8c8a-877fb744d553/
Parent samples :
a8f1554ac6f25b7e7248c056cc650a0961136fa525d691c61fd3e593045c0adb
a32b67778d4e50b71dcd0d3c2f89b9832428e05279628a022d74f32ab6cf5070
198c38a216309f3e974f7e5b9bde336e8d77b9716cff0d8d55f1d324ad303a0f
3727dbb8d08291962eb02e9b76df93a7dcb3f15751ecef1a80c511225a07d0c0
SH256 hash:
0630b864e828fff2d66f33ab7d00fad231df4c00fc0bbad313ee0d12ca503198
MD5 hash:
f559a9abbd849eb977d262d597d6e4fd
SHA1 hash:
0a8769b40b026852690c89b913c2812817ef43c8
Link:
https://www.unpac.me/results/c74f6320-de18-4f2d-8c8a-877fb744d553/
Parent samples :
cef72412a1dd9486bae5f7e606d4330660fba98575ba1c939559ccc83536f41a
81ccf158093718305b3499d0f16d8a82bcad69f2740066daca8d5b5ca9979688
SH256 hash:
b1aea83b4411ee8de5e128bf7dd15cbc6d5dbcff3745998a442b47c59211227d
MD5 hash:
f65f2a11d1326e2f262d42ab30acf819
SHA1 hash:
0a583a89ec0ec935368caba5716ec83cbce85d26
Link:
https://www.unpac.me/results/c74f6320-de18-4f2d-8c8a-877fb744d553/
SH256 hash:
a8f1554ac6f25b7e7248c056cc650a0961136fa525d691c61fd3e593045c0adb
MD5 hash:
1f25ca1a402a561aea8d04c12f7179eb
SHA1 hash:
f18cf566ef90f983293b680da9d70323f4448a4d
Link:
https://www.unpac.me/results/c74f6320-de18-4f2d-8c8a-877fb744d553/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a8f1554ac6f2/report/overview.html
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/a8f1554ac6f25b7e7248c056cc650a0961136fa525d691c61fd3e593045c0adb

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

Executable exe a8f1554ac6f25b7e7248c056cc650a0961136fa525d691c61fd3e593045c0adb

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/448235/

Comments