MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 084b7a2a142edf5c3ebcd6bcafebe00a6953b36eff6ed7dafd54a490e657b1f5. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 084b7a2a142edf5c3ebcd6bcafebe00a6953b36eff6ed7dafd54a490e657b1f5
SHA3-384 hash: e418ba0be02c1947df8dfcb2522b582cf8b267663a4f1b9e46a973fd64d65e332a2a640de1d0d726a02c88f7b94b957b
SHA1 hash: c968ce72913201f3c8fb3d0fccb19bf7885b5cdc
MD5 hash: ca228abdc49bef3d5979d09fc9c5a669
humanhash: oxygen-fish-lithium-item
File name:swift Copy.xls.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:813'056 bytes
First seen:2021-04-06 15:42:59 UTC
Last seen:2021-04-06 16:57:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:fW5qWyWHYWyWeXEit8tWVK6yKIb7udaKG18OxzroVh+Z:+2XEDtWF+3ukf18OxnoC
Threatray 3'723 similar samples on MalwareBazaar
TLSH 8105CE203698EBA5E43FDB39A421D43043F4FD06E32AE69D7DDA1CDF35A1B408662653
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
157
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
swift Copy.xls.exe
Verdict:
Malicious activity
Analysis date:
2021-04-06 15:54:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/179fe970-114d-4e5b-b256-03ce5fdbd909

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/132692/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.46030582.17808.10651.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/667777
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
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 harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses an obfuscated file name to hide its real file extension (double extension)
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: 382819 Sample: swift Copy.xls.exe Startdate: 06/04/2021 Architecture: WINDOWS Score: 100 74 Found malware configuration 2->74 76 Multi AV Scanner detection for dropped file 2->76 78 Sigma detected: Scheduled temp file as task from temp location 2->78 80 14 other signatures 2->80 7 swift Copy.xls.exe 7 2->7         started        11 pGKuRU.exe 2->11         started        13 pGKuRU.exe 2->13         started        process3 file4 52 C:\Users\user\AppData\Roaming\HhjNhSRi.exe, PE32 7->52 dropped 54 C:\Users\...\HhjNhSRi.exe:Zone.Identifier, ASCII 7->54 dropped 56 C:\Users\user\AppData\Local\...\tmp1AA7.tmp, XML 7->56 dropped 58 C:\Users\user\...\swift Copy.xls.exe.log, ASCII 7->58 dropped 82 Adds a directory exclusion to Windows Defender 7->82 84 Injects a PE file into a foreign processes 7->84 15 swift Copy.xls.exe 7->15         started        20 powershell.exe 24 7->20         started        22 powershell.exe 26 7->22         started        32 3 other processes 7->32 86 Multi AV Scanner detection for dropped file 11->86 88 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 11->88 90 Machine Learning detection for dropped file 11->90 92 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->92 24 powershell.exe 11->24         started        26 schtasks.exe 11->26         started        28 powershell.exe 11->28         started        30 pGKuRU.exe 11->30         started        signatures5 process6 dnsIp7 60 smtp.sherwjn.com 15->60 62 us2.smtp.mailhostbox.com 208.91.199.225, 49738, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->62 48 C:\Users\user\AppData\Roaming\...\pGKuRU.exe, PE32 15->48 dropped 50 C:\Users\user\...\pGKuRU.exe:Zone.Identifier, ASCII 15->50 dropped 66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->66 68 Tries to steal Mail credentials (via file access) 15->68 70 Tries to harvest and steal ftp login credentials 15->70 72 2 other signatures 15->72 64 192.168.2.1 unknown unknown 20->64 34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        40 conhost.exe 26->40         started        42 conhost.exe 28->42         started        44 conhost.exe 32->44         started        46 conhost.exe 32->46         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/084b7a2a142edf5c3ebcd6bcafebe00a6953b36eff6ed7dafd54a490e657b1f5/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-04-06 03:22:11 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bbfxukquf3pvypv4226k727abjuvhm3o75xnpwx5kssjbzsxwh2q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1cf2c4b90a84ce31c99a4b74ed546b17b2332a868f75293f237ea0bb0a5835c4
AgentTesla
20caa9bbab7ef41b3766a4fc9c1690b84b9425a1105eb563673a5000f02936b3
AgentTesla
4680676a42011fbee774340878a3909c14e8875ec46142ffa4cd2f3f97e50671
AgentTesla
6f47301c8691d7f68ccf71931b8e2664fad0720d1f4d01f4bfda35cd1a076bd1
AgentTesla
74c2de98613605ab363adbe378405c65f3cfe408dbd59d6b01c7bd69f0224cb8
AgentTesla
8afc7b48c3f0b24261ccda09724628ea978eb6028c07a52762f85fa7721d427c
AgentTesla
8e24deef02dafdd33ba55a11048a56ced1b05b26b7ff44330954c905976c4ddf
AgentTesla
a08a2ea7f574259a68c3cc7d0ff2c1f46e9a57e9802cf5fc41803787564451e8
AgentTesla
c05e310c646407fa733712a98c822a5416ca1124322429d8d2a90966e909a6b5
AgentTesla
c2330695f7393018b464630da587c9d2ff1cf9d1304f32dfed1b32f0037b78b9
AgentTesla
+ 3'713 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210406-kykpfyrgdn/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
6590b9ec4fa84e44c372fda26f47d6d58859d74869621c6bdd4086e6ae411379
MD5 hash:
95dfa1a9015a17a1d49b4faa3f3d999d
SHA1 hash:
427b72727b28436554d0443d797f19b2ea37cc16
Link:
https://www.unpac.me/results/98e19ffb-ca98-46a2-8ab9-09a2cca20dcd/
SH256 hash:
084b7a2a142edf5c3ebcd6bcafebe00a6953b36eff6ed7dafd54a490e657b1f5
MD5 hash:
ca228abdc49bef3d5979d09fc9c5a669
SHA1 hash:
c968ce72913201f3c8fb3d0fccb19bf7885b5cdc
Link:
https://www.unpac.me/results/98e19ffb-ca98-46a2-8ab9-09a2cca20dcd/
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/084b7a2a142edf5c3ebcd6bcafebe00a6953b36eff6ed7dafd54a490e657b1f5

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Malspam

AgentTesla

zip 7a510f82191cc0e3158f7d2f3e4b0f94899d0c81351b4ba5f6de4a5936da20c1

AgentTesla

Executable exe 084b7a2a142edf5c3ebcd6bcafebe00a6953b36eff6ed7dafd54a490e657b1f5

(this sample)

  
Dropped by
MD5 a1a0a3463f83e1993d055fe87913b77b
  
Dropped by
SHA256 7a510f82191cc0e3158f7d2f3e4b0f94899d0c81351b4ba5f6de4a5936da20c1
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/132692/

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