MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b12e0f709745dc5781e1345b925233d223f475055ee0e179e2164f98796f3046. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b12e0f709745dc5781e1345b925233d223f475055ee0e179e2164f98796f3046
SHA3-384 hash: b052c40bb328dc84a12ee7093d4c83e83f17b8480574ff129902d4aeb009c35a635a8e7e3f442ba4e532df9f5a172578
SHA1 hash: 1a01195a3f4007a3926b6d4c46ab250c993843a3
MD5 hash: 93d2c7ca0c7a9409ad130f04d95268de
humanhash: river-cup-maine-fifteen
File name:391SXF-pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:606'208 bytes
First seen:2021-08-04 10:36:50 UTC
Last seen:2021-08-04 16:24:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:Pie5dztwiF9mu0uudmjJzaPznVXYxRUEdJ4o9DrtsxdxLNXjqKmYGAoatGcbtbwV:PNfF9F3J5RFJ4kDrtsPqAo6GmtbwrB
Threatray 7'787 similar samples on MalwareBazaar
TLSH T139D45A6175CA0E07D4FDC33990519029C6E37F54AB13C16A2AB23AE9D9FDF8039E56C2
dhash icon f1c88ea69b88e672 (3 x AgentTesla)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
7
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
391SXF-pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-04 10:39:23 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/28fedad8-6014-4853-b1e9-03c9599f0341

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/176286/
Detection(s):
SecuriteInfo.com.Variant.Bulz.587406.11374.1047.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Sending a UDP request
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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/b2171edb-f359-47d2-adf3-8f7a9934e5c2
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/826771
Signature
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
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 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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 459202 Sample: 391SXF-pdf.exe Startdate: 04/08/2021 Architecture: WINDOWS Score: 100 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected AgentTesla 2->43 45 Yara detected AgentTesla 2->45 6 391SXF-pdf.exe 3 2->6         started        10 xepul.exe 3 2->10         started        12 xepul.exe 2 2->12         started        process3 file4 23 C:\Users\user\AppData\...\391SXF-pdf.exe.log, ASCII 6->23 dropped 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->47 49 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->49 14 391SXF-pdf.exe 2 5 6->14         started        51 Multi AV Scanner detection for dropped file 10->51 19 xepul.exe 2 10->19         started        21 xepul.exe 12->21         started        signatures5 process6 dnsIp7 29 pss.net.pk 194.88.106.241, 49772, 587 WORLDSTREAMNL Netherlands 14->29 31 mail.pss.net.pk 14->31 25 C:\Users\user\AppData\Roaming\...\xepul.exe, PE32 14->25 dropped 27 C:\Users\user\...\xepul.exe:Zone.Identifier, ASCII 14->27 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Tries to steal Mail credentials (via file access) 14->35 37 Tries to harvest and steal ftp login credentials 14->37 39 3 other signatures 14->39 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b12e0f709745dc5781e1345b925233d223f475055ee0e179e2164f98796f3046/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-04 09:48:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
77
AV detection:
15 of 46 (32.61%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wexa64exixofpapbgrnzeurt2ir7i5ifl3qoc6pcczhzq6lpgbda._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
b561e46a889187aafaca806fc1633c5eeafc68b5acf17aa7a2232d5efbc64f54
AgentTesla
b9cb59244ae380b87c41822802fe472bbab263e701339ce83a3d3896fbbda8d2
AgentTesla
c2f21acde289adec4dbf7163480b89064e1eb476558c9729a520303cc75b40bc
AgentTesla
d1cf7e0daa513a6f309d5ba1cf2d854c62aad2a87cca96c543de24c19a9936e1
AgentTesla
de49258994a651e41ea2b519ae39eb815b8d26cb3097fab2dd0e1ee5c9ea37b1
AgentTesla
f3f681c71b259b83868bf64d9cbd877ddef4b78fb67b91e899e0d970e5e5de66
AgentTesla
+ 7'777 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210804-kb66vqn5rs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
ff1dcaf19e4a97f56bf51d5e6c777f2a782de004b915be445ddb24a65581a90d
MD5 hash:
326a0dbe753dc33f149ae06f5be83a29
SHA1 hash:
b58056cab43bd8f57620321252a09fa78313ca3c
Link:
https://www.unpac.me/results/0efe2946-e2b4-4476-9001-fc1bc9f57459/
SH256 hash:
c32c99db8c6500af88ccf8249064a03e1b11cbff22f866c22269c64c356d606c
MD5 hash:
cc42fb06e95085c02c01ff87579fe5aa
SHA1 hash:
adf798e22b1c69f6ab92f1596093a9619f0ef303
Link:
https://www.unpac.me/results/0efe2946-e2b4-4476-9001-fc1bc9f57459/
SH256 hash:
b12e0f709745dc5781e1345b925233d223f475055ee0e179e2164f98796f3046
MD5 hash:
93d2c7ca0c7a9409ad130f04d95268de
SHA1 hash:
1a01195a3f4007a3926b6d4c46ab250c993843a3
Link:
https://www.unpac.me/results/0efe2946-e2b4-4476-9001-fc1bc9f57459/
Malware family:
Mal/Generic-S
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b12e0f709745/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/b12e0f709745dc5781e1345b925233d223f475055ee0e179e2164f98796f3046

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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

Executable exe b12e0f709745dc5781e1345b925233d223f475055ee0e179e2164f98796f3046

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/176286/

Comments