MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b5038ef39810eb732161361e08525df2bbb52c5d24b99ab274825334454b901. 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: 2b5038ef39810eb732161361e08525df2bbb52c5d24b99ab274825334454b901
SHA3-384 hash: 186d869f981bce2d027657f49e816f1d04acb3910ef0d55862091a39c9778c6eebb3cec87725661455fb65882c17b41b
SHA1 hash: bfe45018e2200a3d2408e30845fd0c034aac65f8
MD5 hash: 94b8e4c51057ec1540a03961be1fc6c6
humanhash: pasta-sixteen-paris-speaker
File name:Bank Details.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:848'384 bytes
First seen:2021-08-04 06:35:49 UTC
Last seen:2021-08-04 08:11:48 UTC
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:djJH+IkG8ij6agbvYKf03rDRlef0zCqLQQaQ11GMwr1ZkWDziA9RsEGPr34vEeP/:dLh2Q6ffGyU
Threatray 7'778 similar samples on MalwareBazaar
TLSH T1860538343DEA501AB173EFAA8BE475EADA6FB7733B02645D109103864723E41DEC153A
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
177
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bank Details.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-04 06:38:48 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/22563eca-47c9-45be-b0b9-68bca68b6feb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/176248/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.957.19264.1876.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Changing the hosts file
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/44a1a751-c641-450a-9e5f-15d97226f1f6
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/826672
Signature
.NET source code contains very large array initializations
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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 dnsIp2 2 Behavior Graph ID: 459106 Sample: Bank Details.exe Startdate: 04/08/2021 Architecture: WINDOWS Score: 100 32 us2.smtp.mailhostbox.com 2->32 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected AgentTesla 2->46 48 Yara detected AgentTesla 2->48 50 4 other signatures 2->50 7 Bank Details.exe 3 2->7         started        10 NXLun.exe 3 2->10         started        13 NXLun.exe 2 2->13         started        signatures3 process4 file5 30 C:\Users\user\...\Bank Details.exe.log, ASCII 7->30 dropped 15 Bank Details.exe 2 5 7->15         started        52 Multi AV Scanner detection for dropped file 10->52 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->54 56 Machine Learning detection for dropped file 10->56 58 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->58 20 NXLun.exe 2 10->20         started        22 NXLun.exe 2 13->22         started        signatures6 process7 dnsIp8 34 us2.smtp.mailhostbox.com 208.91.199.224, 49738, 49739, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->34 24 C:\Users\user\AppData\Roaming\...24XLun.exe, PE32 15->24 dropped 26 C:\Users\user\...26XLun.exe:Zone.Identifier, ASCII 15->26 dropped 36 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->36 38 Tries to steal Mail credentials (via file access) 15->38 40 Tries to harvest and steal ftp login credentials 15->40 42 3 other signatures 15->42 28 C:\Windows\System32\drivers\etc\hosts, ASCII 22->28 dropped file9 signatures10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2b5038ef39810eb732161361e08525df2bbb52c5d24b99ab274825334454b901/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-04 02:17:15 UTC
AV detection:
15 of 46 (32.61%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fnidr3zzqehlomqwcnq6bbjf34v3wuwf2jfztkzhjastgrcuxeaq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
02e6972eec66f1f2b9898fa662d59c1f47856f180dad385d766399ecaf763f5b
AgentTesla
1a7b47cb19815654a494cf57cd5f786d4e93137ecfff90371e9546b248c8b635
AgentTesla
55b0da6efe5800b10b6f47d98c4943652dca7eec1a418dcb5ad828bc667f3e6d
AgentTesla
702a232ec52909c4528c3b609d5106d178a656df965b527914db74ceea61dc88
AgentTesla
a5a8ddb89f4ecba422e4be98630afc39eaafee806fc2ac49dca2ff2e1702888a
AgentTesla
bcbb193947047dbf82cedf1e08cb2e7aba46db9802789595d746e31f870fc4b4
AgentTesla
fc22aaa35e5504461dd5ace02d041f7715bc25acf329d2070e02e854b54d4de0
AgentTesla
+ 7'768 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-qk7rtqa1bn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
97024f17003dd3d31dab64c4d1b8251e50d428644eb59ed3692ad79ce42019cf
MD5 hash:
8cd28be4bd9a1404c6d3600db32b3ed1
SHA1 hash:
fb90b0ca51118e771390d58b19d0a404ee14cfbc
Link:
https://www.unpac.me/results/155ee444-cf12-43cd-9e92-09de04702c4a/
SH256 hash:
f221437a93717184545fad0b6ca3c442ed99bc2d844914d0fd87e0513646b228
MD5 hash:
70cf5d9bd816ed03452c30d112b94a71
SHA1 hash:
92bdc6174ef9692c7de466c864d5e09016e9fa24
Link:
https://www.unpac.me/results/155ee444-cf12-43cd-9e92-09de04702c4a/
SH256 hash:
cfc3249607cc28b628e2589c37a501d11a4826c44f65e7bebd0bd0f07713abae
MD5 hash:
49d23fd40221a72aef178f0285881e24
SHA1 hash:
46be15cee18ff2f5f7cd79114388403baf2a02fb
Link:
https://www.unpac.me/results/155ee444-cf12-43cd-9e92-09de04702c4a/
SH256 hash:
2b5038ef39810eb732161361e08525df2bbb52c5d24b99ab274825334454b901
MD5 hash:
94b8e4c51057ec1540a03961be1fc6c6
SHA1 hash:
bfe45018e2200a3d2408e30845fd0c034aac65f8
Link:
https://www.unpac.me/results/155ee444-cf12-43cd-9e92-09de04702c4a/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/2b5038ef3981/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2b5038ef39810eb732161361e08525df2bbb52c5d24b99ab274825334454b901

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 2b5038ef39810eb732161361e08525df2bbb52c5d24b99ab274825334454b901

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/176248/

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