MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcbb193947047dbf82cedf1e08cb2e7aba46db9802789595d746e31f870fc4b4. 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: bcbb193947047dbf82cedf1e08cb2e7aba46db9802789595d746e31f870fc4b4
SHA3-384 hash: 0d8be2f7b0b0fb74ed3699bae409de433c69fae5b8c856b6785455b2ea0017074fde900aad2dfa83349904328ac163c8
SHA1 hash: 1c8f678dbcd1dcf1ab9cc4772325d9a9fb34f22d
MD5 hash: 11b5a887a1def8b2b01aada372984888
humanhash: oranges-bravo-sierra-muppet
File name:Inv_7623980.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:847'872 bytes
First seen:2021-08-04 05:03:06 UTC
Last seen:2021-08-04 06:12:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:hFCaMtw3Ck7aEHlkojGhIT2Io5cOBScGcDMbYHZtJB5TT1DbVvEz+jQkUB4tfNBq:hF8k7PEQ2COjdfvT9rJn1t2
Threatray 7'772 similar samples on MalwareBazaar
TLSH T1F305383439EA501AB173EFAA8BE479EADA6FB7733B07645D105003464723A81DEC153E
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
167
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Inv_7623980.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-04 05:04:43 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/191dc578-8bc1-4cc2-a95b-20b806effd75

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/176212/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.957.724.13899.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
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/39821aff-af6f-416d-a4db-a3ce094124ad
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/826621
Signature
.NET source code contains very large array initializations
Found malware configuration
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 signatures2 2 Behavior Graph ID: 459052 Sample: Inv_7623980.exe Startdate: 04/08/2021 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected AgentTesla 2->47 49 3 other signatures 2->49 6 Inv_7623980.exe 3 2->6         started        10 NXLun.exe 3 2->10         started        12 NXLun.exe 2 2->12         started        process3 file4 23 C:\Users\user\AppData\...\Inv_7623980.exe.log, ASCII 6->23 dropped 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->51 53 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->53 14 Inv_7623980.exe 2 5 6->14         started        55 Multi AV Scanner detection for dropped file 10->55 57 Machine Learning detection for dropped file 10->57 19 NXLun.exe 2 10->19         started        21 NXLun.exe 2 12->21         started        signatures5 process6 dnsIp7 31 shivsundaram.com 198.38.82.103, 49769, 587 SERVERCENTRALUS United States 14->31 33 mail.shivsundaram.com 14->33 25 C:\Users\user\AppData\Roaming\...25XLun.exe, PE32 14->25 dropped 27 C:\Users\user\...27XLun.exe:Zone.Identifier, ASCII 14->27 dropped 35 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->35 37 Tries to steal Mail credentials (via file access) 14->37 39 Tries to harvest and steal ftp login credentials 14->39 41 3 other signatures 14->41 29 C:\Windows\System32\drivers\etc\hosts, ASCII 21->29 dropped file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bcbb193947047dbf82cedf1e08cb2e7aba46db9802789595d746e31f870fc4b4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-04 04:02:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
15 of 46 (32.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xs5rsokhar637awo34parszopk5enw4yaj4jlfoxi3rr7bypys2a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
09aee6abb9346613d79d14df006bde49924dfe308ca268e349ad134db2d0afa9
AgentTesla
0f19539c1aca12bf11bb1084ea7745240b7b7690a80140c757de6ed382eb58c1
AgentTesla
2adae9b6592e71484038a7aff96306b4761fefe3f7bd7163e6bcba18c3427dd3
AgentTesla
66c452b78b6021522f6b726773698cf4bc94e3e6a6b220ca930996afb30fab7c
AgentTesla
71276409f3ed154c5b43a4357d4644350d89c064e0db3ad4cca5570dbeaaa3a0
AgentTesla
78b89b05c3beb9d8275a36c785e9f629241c37768d3eca480ad18cd61cee01a3
AgentTesla
7e2f14e47ce41dff01f74023757a74a7352ff9ce7ee39d2f78b61ff2a5993897
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978adbd45151d6b915f683cef40113cc2fa08ab0686682b2ce44b9f5b33bb4dc
AgentTesla
e9342d5c2ca95888a7589ef0fa20636b3534e64a8e7b419e772977c04745dcc7
AgentTesla
+ 7'762 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/210804-8dwmangedj/
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/f487806c-6b78-4a82-8469-23c99775fe57/
SH256 hash:
7407fa3c1aeb17dbf1b3edc8770e73fa865e363def6622ea874c52cf747fddcb
MD5 hash:
1e055ac39a9d26fddb79fd582b217b67
SHA1 hash:
f0ab39e8323f41cc5fdf615a93f1f3615c8f1c64
Link:
https://www.unpac.me/results/f487806c-6b78-4a82-8469-23c99775fe57/
SH256 hash:
cf89ac44ec0c869791cc733115143cb91f64dd9a0be78c980f8a78b6f8024c8d
MD5 hash:
8af0bdcefb2c4a1ef8fd922802c45c3a
SHA1 hash:
71aedf742f2a451d419568742fc2bad0f8cc141e
Link:
https://www.unpac.me/results/f487806c-6b78-4a82-8469-23c99775fe57/
SH256 hash:
bcbb193947047dbf82cedf1e08cb2e7aba46db9802789595d746e31f870fc4b4
MD5 hash:
11b5a887a1def8b2b01aada372984888
SHA1 hash:
1c8f678dbcd1dcf1ab9cc4772325d9a9fb34f22d
Link:
https://www.unpac.me/results/f487806c-6b78-4a82-8469-23c99775fe57/
Malware family:
Mal/Generic-S
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/bcbb19394704/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/bcbb193947047dbf82cedf1e08cb2e7aba46db9802789595d746e31f870fc4b4

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 bcbb193947047dbf82cedf1e08cb2e7aba46db9802789595d746e31f870fc4b4

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/176212/

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