MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f6383c6ae7c88ff6ab189dc208b3f159d87b824011a697f438a218fc07fa3bb. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4f6383c6ae7c88ff6ab189dc208b3f159d87b824011a697f438a218fc07fa3bb
SHA3-384 hash: fa187c28bcf84c5a2a115e2ecbd7701832e343ae2ab02ea97e52c4f8a6d8c5d12b40f2821396f21a5287d90c60b65c9f
SHA1 hash: 04cc1fbff9d7e99e2f5c684775b0bf437306f190
MD5 hash: f9b8c2a25dd957d29be0389971b39e10
humanhash: social-avocado-minnesota-saturn
File name:f9b8c2a25dd957d29be0389971b39e10.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:839'168 bytes
First seen:2022-02-08 01:43:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:iON8sufHL0UEef4B+lg6RFrJElsDRiiPr+ZMKeon20KIzZ+YzUbd6ZWy7Mp1p6/x:ihDfL01ef4BWbrg8RPrMMKd3NlUFE1K
Threatray 15'109 similar samples on MalwareBazaar
TLSH T14A05DFAC329179EEC41BCC329A687C60A67171B783CBC2139167129C9E5DB67DF104EB
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
nj-s1.dedicatedpanel.net:25

Intelligence

File Origin
# of uploads :
1
# of downloads :
162
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f9b8c2a25dd957d29be0389971b39e10.exe
Verdict:
Suspicious activity
Analysis date:
2022-02-08 01:46:37 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d3e1fbc1-bada-428f-8c22-9a5f1a0712e6

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/237374/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6201cae7845a69d7734bdf6f/reports/4e83da64-b79f-4fb4-b891-88db61175e35/overview
Result
Verdict:
UNKNOWN
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/41467501-87d0-4478-9021-35e7635eac7d
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/935755
Signature
.NET source code contains very large array initializations
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
Malicious sample detected (through community Yara rule)
Moves itself to temp directory
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
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 568232 Sample: 4dSvwHc4Hs.exe Startdate: 08/02/2022 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 5 other signatures 2->42 6 4dSvwHc4Hs.exe 3 2->6         started        10 TmZaMAa.exe 3 2->10         started        12 TmZaMAa.exe 2 2->12         started        process3 file4 30 C:\Users\user\AppData\...\4dSvwHc4Hs.exe.log, ASCII 6->30 dropped 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->44 46 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->46 48 Injects a PE file into a foreign processes 6->48 14 4dSvwHc4Hs.exe 2 5 6->14         started        18 4dSvwHc4Hs.exe 6->18         started        50 Multi AV Scanner detection for dropped file 10->50 52 Machine Learning detection for dropped file 10->52 20 TmZaMAa.exe 10->20         started        22 TmZaMAa.exe 10->22         started        24 TmZaMAa.exe 10->24         started        26 TmZaMAa.exe 10->26         started        28 TmZaMAa.exe 12->28         started        signatures5 process6 file7 32 C:\Users\user\AppData\Roaming\...\TmZaMAa.exe, PE32 14->32 dropped 34 C:\Users\user\...\TmZaMAa.exe:Zone.Identifier, ASCII 14->34 dropped 54 Moves itself to temp directory 14->54 56 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->56 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4f6383c6ae7c88ff6ab189dc208b3f159d87b824011a697f438a218fc07fa3bb/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-07 23:00:50 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=j5ryhrvopsep62vrrhocbcz7cwoypobeaengs72driqy7qd7uo5q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
17e43db2ca4d6885d13d7beb51868c975b889197917651c7a89ee4f3ed65a740
AgentTesla
2f4223fec053d607cd7a1e13602545d061fa6b1745eb59bc7962d1ee35917582
AgentTesla
4b98dfaa625437b4297939c552ad848948f9b83b00dae429a1c1e897355776ab
AgentTesla
4d19b474c3c20fc0911d7ae5cbbd632c5302327679615f52eb8152d0bba0d643
AgentTesla
9898c37e93d4e9a054c013f34ca57c1aa9130112c9104386219f94e1125d0b97
AgentTesla
c72b8203d03b577f7ca65cbec39de14a45c2a82f5d5e799635331480c8754651
AgentTesla
f53b6d36630cd089f95cc2127cb9c564068512d6a4a4eaec1fe95e25f7f32d1a
AgentTesla
+ 15'099 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/220208-b5wbnsbgdp/
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
765eee6e4ddd952141fc9786d5cf815c4d573c9d77dfdf3ba753e6cbc906f1ec
MD5 hash:
a67e2ae88cc610e57ec35aa081e07e68
SHA1 hash:
d304234a6ea112fc10863d09821c0ec959fb2574
Link:
https://www.unpac.me/results/1838e466-d36a-4d75-93a6-2dcbef5a4946/
SH256 hash:
6bfbe993f772d4eb796f45550ec20a2cb568314101c6223b52ee6f6d7942b9d9
MD5 hash:
669403946f6f7ea992a01d0eedac690b
SHA1 hash:
a66eab7b5b8294f0d9b8bb54fed7a5a6b97a306a
Link:
https://www.unpac.me/results/1838e466-d36a-4d75-93a6-2dcbef5a4946/
SH256 hash:
0cc119786b104cf0aa261a208bf38802b339774ff3d7a42afcd8329d2d7d21c9
MD5 hash:
263b5190f7ac42d83c756dcdf38147bb
SHA1 hash:
78f419fe3936ed7d603706c47230cd3e6ff79ffe
Link:
https://www.unpac.me/results/1838e466-d36a-4d75-93a6-2dcbef5a4946/
SH256 hash:
4f6383c6ae7c88ff6ab189dc208b3f159d87b824011a697f438a218fc07fa3bb
MD5 hash:
f9b8c2a25dd957d29be0389971b39e10
SHA1 hash:
04cc1fbff9d7e99e2f5c684775b0bf437306f190
Link:
https://www.unpac.me/results/1838e466-d36a-4d75-93a6-2dcbef5a4946/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/4f6383c6ae7c/report/overview.html
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: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: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.

Web download

AgentTesla

Executable exe 4f6383c6ae7c88ff6ab189dc208b3f159d87b824011a697f438a218fc07fa3bb

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/237374/
  
URLhaus
https://urlhaus.abuse.ch/url/2004815/
  
Delivery method
Distributed via web download

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