MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ea1f4f2e6a2045141fdb85399c10f14bfcf3f3302bc95a3c994d493da3f2095. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3ea1f4f2e6a2045141fdb85399c10f14bfcf3f3302bc95a3c994d493da3f2095
SHA3-384 hash: 92bb94480621a18359a41df1595254e00900b91bdbcc6e581be34282cd4613ebe8502a46a49517df9385d56ac80e5792
SHA1 hash: a47cf1cd9ee56fd5bddc1d422d5d51d3c17c3597
MD5 hash: d8951c847ef5cb33614d3d6c9682d311
humanhash: mexico-berlin-white-florida
File name:sB2NY6f.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:864'768 bytes
First seen:2021-04-16 00:32:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:afBunHAZKnzLHYTolRTDJatJgAqTXo6pF9oY3ONp/LyUm69XaJ:afBX8/vjvJatJq1KY30dH9qJ
Threatray 3'977 similar samples on MalwareBazaar
TLSH E905696232B78204D6E94F78509C1E144EB16D126933E71C1AA671DF1BB27C38F2EF96
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
1
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
sB2NY6f.exe
Verdict:
Malicious activity
Analysis date:
2021-04-16 00:46:34 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/55bd51e2-1a68-4fa0-a04d-bbac97ee561b

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/135650/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.646-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Sending a custom TCP request
Creating a window
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/678923
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
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)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 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: 388414 Sample: sB2NY6f.exe Startdate: 16/04/2021 Architecture: WINDOWS Score: 100 49 smtp.mesco-midhco.com 2->49 51 us2.smtp.mailhostbox.com 2->51 61 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->61 63 Found malware configuration 2->63 65 Multi AV Scanner detection for dropped file 2->65 67 6 other signatures 2->67 8 sB2NY6f.exe 7 2->8         started        12 pGKuRU.exe 5 2->12         started        14 pGKuRU.exe 2 2->14         started        signatures3 process4 file5 39 C:\Users\user\AppData\...\mxEGtDnxzljS.exe, PE32 8->39 dropped 41 C:\Users\user\AppData\Local\...\tmpC55B.tmp, XML 8->41 dropped 43 C:\Users\user\AppData\...\sB2NY6f.exe.log, ASCII 8->43 dropped 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->69 71 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->71 73 Uses schtasks.exe or at.exe to add and modify task schedules 8->73 16 sB2NY6f.exe 2 5 8->16         started        21 schtasks.exe 1 8->21         started        75 Multi AV Scanner detection for dropped file 12->75 77 Injects a PE file into a foreign processes 12->77 23 schtasks.exe 1 12->23         started        25 pGKuRU.exe 2 12->25         started        27 pGKuRU.exe 12->27         started        29 pGKuRU.exe 12->29         started        signatures6 process7 dnsIp8 45 smtp.mesco-midhco.com 16->45 47 us2.smtp.mailhostbox.com 208.91.199.223, 49756, 587 PUBLIC-DOMAIN-REGISTRYUS United States 16->47 35 C:\Users\user\AppData\Roaming\...\pGKuRU.exe, PE32 16->35 dropped 37 C:\Users\user\...\pGKuRU.exe:Zone.Identifier, ASCII 16->37 dropped 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->53 55 Tries to steal Mail credentials (via file access) 16->55 57 Tries to harvest and steal ftp login credentials 16->57 59 2 other signatures 16->59 31 conhost.exe 21->31         started        33 conhost.exe 23->33         started        file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3ea1f4f2e6a2045141fdb85399c10f14bfcf3f3302bc95a3c994d493da3f2095/
Threat name:
ByteCode-MSIL.Hacktool.Phonzy
Create hunting rule
Status:
Malicious
First seen:
2021-04-15 08:36:51 UTC
AV detection:
16 of 29 (55.17%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=h2q7j4xguicfcqp5xbjztqipcs746pztak6jli6jstkjhwr7eckq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1009b066765a2116d1055108721901b28a80739501513209e31ae57a9907a5da
AgentTesla
273c6c00d02a71e616afbfdf35b0d114e478ec6ef7d26cc3d44c047b1ba5665f
AgentTesla
45baa6de563aea42430ea807981f471b4c17821a6ff43fb688407d423d0e2896
AgentTesla
5b581a16014e2da4a70c5e35b95366e09adea3c2b705f80fe68f18bb4e5cd215
AgentTesla
7582182ef873a01a095cdca3e94d8c46c2e86aae1e198960cedceaf9ab7de3ff
AgentTesla
8291edaab00eefb8c97afa39058726b12e70cb17570807c49ddd92e908c528aa
AgentTesla
a944823599ab78bd7cc6258c1dbd9800039d5ffab0421430552cdf7e00718df6
AgentTesla
b45a5842b0af5fa0030223cc87a46bb4953ccce55c0f7975cfe3ca154e1a27cc
AgentTesla
be7a4fb3ed179c2483130cd6bb808039ae004eb6b68c7082b3a8291f802facc7
AgentTesla
c9afe6904407e9b60e73edf93efbd932b6725f0f4f33306117ffc9854c21cae2
AgentTesla
+ 3'967 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/210416-ntxxdwrr9e/
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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
5e0f3da625a479a5e7e807b5f09c889d95474139410b312ba3a39bcb05976729
MD5 hash:
3d20c2ea9ac04e1707f853bb1780bc18
SHA1 hash:
805e90b023eb92d44bbe11daefce6edbe872cb74
Link:
https://www.unpac.me/results/0eb37248-4519-4682-8a7d-cd381b63c33a/
SH256 hash:
3ea1f4f2e6a2045141fdb85399c10f14bfcf3f3302bc95a3c994d493da3f2095
MD5 hash:
d8951c847ef5cb33614d3d6c9682d311
SHA1 hash:
a47cf1cd9ee56fd5bddc1d422d5d51d3c17c3597
Link:
https://www.unpac.me/results/0eb37248-4519-4682-8a7d-cd381b63c33a/
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/3ea1f4f2e6a2045141fdb85399c10f14bfcf3f3302bc95a3c994d493da3f2095

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 eaad5f55df9d29bc8efbb96285854bf61d5cbff974681d7ac3460bb820028dea

AgentTesla

Executable exe 3ea1f4f2e6a2045141fdb85399c10f14bfcf3f3302bc95a3c994d493da3f2095

(this sample)

  
Dropped by
MD5 b85ea0595afa5881ac25c32173971d79
  
Dropped by
SHA256 eaad5f55df9d29bc8efbb96285854bf61d5cbff974681d7ac3460bb820028dea
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/135650/

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