MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd7578edc93251752a605e3f4a2edc9bc3d4fabe255b98015f5679a5e8eef947. 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: bd7578edc93251752a605e3f4a2edc9bc3d4fabe255b98015f5679a5e8eef947
SHA3-384 hash: 2cacc536ee9320168bb82e816df6d82dfa0f267628db3e934b982defe4d6770a5a02d204134dbc6d520cd90195b03c4e
SHA1 hash: 38c0a42440769db4109cae448e7db0144601fbd2
MD5 hash: 707cfb52744a47c01b406af4f9d369f5
humanhash: mango-arizona-purple-july
File name:Y6HpqlElKD0lLoa.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:753'152 bytes
First seen:2020-09-25 13:19:07 UTC
Last seen:2020-09-25 13:48:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:TMyf9vY2Ttwdg+5QP6MxbZB45QqAgv/II9beHmaK:F9wSR4y6obz45hnII9beHBK
Threatray 9'308 similar samples on MalwareBazaar
TLSH 71F4E11427E44711E1BC8BB4407A1C1007FBBD09953AEE2EED9C78BD5B3BB819616B1E
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: pot.com
Sending IP: 95.211.208.49
From: GENERAL ENGINEERING CO.<honey@pot.com>
Subject: 回复:RE: Re-send PO pending in system
Attachment: doc98372.img (contains "Y6HpqlElKD0lLoa.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/65830/
Detection(s):
SecuriteInfo.com.Gen.NN.ZemsilF.34254.Tm0@auZAlyb.26887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a process with a hidden window
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/475140
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
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 AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 290020 Sample: Y6HpqlElKD0lLoa.exe Startdate: 25/09/2020 Architecture: WINDOWS Score: 100 70 Found malware configuration 2->70 72 Sigma detected: Scheduled temp file as task from temp location 2->72 74 Yara detected AgentTesla 2->74 76 3 other signatures 2->76 7 Y6HpqlElKD0lLoa.exe 7 2->7         started        11 yZBPl.exe 2->11         started        13 yZBPl.exe 5 2->13         started        process3 file4 44 C:\Users\user\AppData\Local\...\tmp69B5.tmp, XML 7->44 dropped 46 C:\Users\user\AppData\Roaming\JnDkPQLD.exe, PE32 7->46 dropped 78 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->78 80 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->80 82 Injects a PE file into a foreign processes 7->82 15 Y6HpqlElKD0lLoa.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        22 Y6HpqlElKD0lLoa.exe 7->22         started        32 2 other processes 7->32 24 yZBPl.exe 11->24         started        26 schtasks.exe 11->26         started        28 yZBPl.exe 2 13->28         started        30 schtasks.exe 1 13->30         started        signatures5 process6 dnsIp7 48 nusatek.com 103.6.198.43, 49722, 49723, 49727 EXABYTES-AS-APExaBytesNetworkSdnBhdMY Malaysia 15->48 50 mail.nusatek.com 15->50 52 192.168.2.1 unknown unknown 15->52 40 C:\Users\user\AppData\Roaming\...\yZBPl.exe, PE32 15->40 dropped 42 C:\Users\user\...\yZBPl.exe:Zone.Identifier, ASCII 15->42 dropped 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->58 60 Tries to steal Mail credentials (via file access) 15->60 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->62 34 conhost.exe 20->34         started        54 mail.nusatek.com 24->54 64 Tries to harvest and steal ftp login credentials 24->64 66 Tries to harvest and steal browser information (history, passwords, etc) 24->66 68 Installs a global keyboard hook 24->68 36 conhost.exe 26->36         started        56 mail.nusatek.com 28->56 38 conhost.exe 30->38         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bd7578edc93251752a605e3f4a2edc9bc3d4fabe255b98015f5679a5e8eef947/
Threat name:
Win32.Trojan.Bluteal
Create hunting rule
Status:
Malicious
First seen:
2020-09-25 13:07:57 UTC
AV detection:
26 of 48 (54.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xv2xr3ojgjixkktaly7uulw4tpb5j6v6evnzqak7kz42l2ho7fdq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
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AgentTesla
+ 9'298 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Link:
https://tria.ge/reports/200925-kwdpw7saj6/
Behaviour
Creates scheduled task(s)
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:
bd7578edc93251752a605e3f4a2edc9bc3d4fabe255b98015f5679a5e8eef947
MD5 hash:
707cfb52744a47c01b406af4f9d369f5
SHA1 hash:
38c0a42440769db4109cae448e7db0144601fbd2
Link:
https://www.unpac.me/results/e6efa8a7-db6c-4b7e-bf92-e3944abb49b1/
SH256 hash:
db3041f5281fb90ff319d06787f388d14dd70af96d662dc635418b509f17be39
MD5 hash:
f2acb12b2dc31e58f43893513b2e8fbd
SHA1 hash:
2a54b4ca273c7c5abb2c29b12b319b75a2d76a24
Link:
https://www.unpac.me/results/e6efa8a7-db6c-4b7e-bf92-e3944abb49b1/
SH256 hash:
3ee3d1e0cb51a0775f74808f34a041f491298dd350f08025bdd900a60fb0a6c5
MD5 hash:
71037cafc1eea6b660915f796b7c4c24
SHA1 hash:
737613819388139abbf54a2d4d17b2f87b992055
Detections:
win_agent_tesla_w1
Create hunting rule
Link:
https://www.unpac.me/results/e6efa8a7-db6c-4b7e-bf92-e3944abb49b1/
SH256 hash:
641846480287ac1808e369c32fc46df2f29327d62d28427d09b913aa6e0d5492
MD5 hash:
f48d736ef31bc750264c6bf8bdd5e8c8
SHA1 hash:
bd5377caac92aab9156e697977b1c3d8a535a55c
Link:
https://www.unpac.me/results/e6efa8a7-db6c-4b7e-bf92-e3944abb49b1/
SH256 hash:
785261875049471f6432827571071af39fdb06ec0a223224c12792201a9f66e5
MD5 hash:
e41b095949e16c551511c80acfc18ac2
SHA1 hash:
c1c9299481d8604297151f48ac8c790c9e920504
Link:
https://www.unpac.me/results/e6efa8a7-db6c-4b7e-bf92-e3944abb49b1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bd7578edc93251752a605e3f4a2edc9bc3d4fabe255b98015f5679a5e8eef947

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

img a771495639efa2484d9fc2314dd04309e1fa65a0b557687f00a48157ddae86a4

AgentTesla

Executable exe bd7578edc93251752a605e3f4a2edc9bc3d4fabe255b98015f5679a5e8eef947

(this sample)

  
Dropped by
MD5 6afb93e6ab9ff6a6f99d9db2b5dac322
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 a771495639efa2484d9fc2314dd04309e1fa65a0b557687f00a48157ddae86a4
Cape
Cape
https://www.capesandbox.com/analysis/65830/

Comments