MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a2ab4d45b0c8718c31b8e315263577916f7e7dfc2b62c083ce4d4ca9a94f8451. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a2ab4d45b0c8718c31b8e315263577916f7e7dfc2b62c083ce4d4ca9a94f8451
SHA3-384 hash: 360d5b9a5cf6cf55c19ef55d02b51035c8494e457af54bbb36c260a3a17ae1402c77e3da1db345c45f92efc015565212
SHA1 hash: bb0826309b53e419a118b0c121feba1818ea0d90
MD5 hash: b81e0112d358b4570c78b058bf9d8aad
humanhash: mars-mike-nevada-golf
File name:PO - 088_6_21_2021 - 0000000000001.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:750'080 bytes
First seen:2021-06-21 05:17:45 UTC
Last seen:2021-06-21 05:52:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'453 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:uwRclOWFHmsk1YAa/Uo6uiLCgLqt6jywFB3jXFAO3fMhwQFHhU:udtHZ9/a3LCJt6jX3xN3fMhwQ
Threatray 5'977 similar samples on MalwareBazaar
TLSH BCF4B03039EE520DF57B9E781AE436E2966FBE677707DD5C24D4234A8B238428F40939
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
91
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO - 088_6_21_2021 - 0000000000001.exe
Verdict:
Suspicious activity
Analysis date:
2021-06-21 05:21:10 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/89c2c3d2-0334-412f-a84f-a86f75dbfb46

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.YakbeexMSIL.ZZ4.31059.26439.UNOFFICIAL
Create hunting rule

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/6961211a-d9c3-476f-a322-198622c5be7d
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/805061
Signature
.NET source code contains potential unpacker
.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
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 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)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 437472 Sample: PO - 088_6_21_2021 - 000000... Startdate: 21/06/2021 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected AgentTesla 2->49 51 7 other signatures 2->51 6 PO - 088_6_21_2021 - 0000000000001.exe 3 2->6         started        10 gqxRqu.exe 3 2->10         started        12 gqxRqu.exe 2->12         started        process3 file4 27 PO - 088_6_21_2021...00000000001.exe.log, ASCII 6->27 dropped 53 Injects a PE file into a foreign processes 6->53 14 PO - 088_6_21_2021 - 0000000000001.exe 17 9 6->14         started        55 Multi AV Scanner detection for dropped file 10->55 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->57 59 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->59 19 gqxRqu.exe 2 10->19         started        21 gqxRqu.exe 10->21         started        23 gqxRqu.exe 10->23         started        25 gqxRqu.exe 10->25         started        signatures5 process6 dnsIp7 35 ftp.colemanco.com.au 116.90.56.138, 21, 49734, 49735 DIGITALPACIFIC-AUDigitalPacificPtyLtdAustraliaAU Australia 14->35 29 C:\Users\user\AppData\Roaming\...\gqxRqu.exe, PE32 14->29 dropped 31 C:\Users\user\...\gqxRqu.exe:Zone.Identifier, ASCII 14->31 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Tries to steal Mail credentials (via file access) 14->39 41 Tries to harvest and steal ftp login credentials 14->41 43 3 other signatures 14->43 33 C:\Windows\System32\drivers\etc\hosts, ASCII 19->33 dropped file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a2ab4d45b0c8718c31b8e315263577916f7e7dfc2b62c083ce4d4ca9a94f8451/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-21 01:12:06 UTC
AV detection:
11 of 46 (23.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ukvu2rnqzbyyymny4mksmnlxsfxx47p4fnrmba6ojvgktkkpqriq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1b122d90ecb306cc9067c1ec1623a19aadc0005cb1d31f49120a902d4f26d5df
AgentTesla
1c4cbe5a3adfa0a596eabff32c6a43fe2f5fc2be1dcf71bddbd0c1200d7451a8
AgentTesla
50366bcd221afef5c46eae87fcb17a14080a4ae9cad168048cf7c003ead1c27c
AgentTesla
69b330c7d552a8dae752385390af2d64a7e72519888059d7843e75bd4232b313
AgentTesla
9a7afdd10807c6451c83b84f9b5d6b8426b150ddbd36189538aa2fc0048c105e
AgentTesla
b2072f0b2c243a19d26b7e007782f2e3734710c93cc9dfc285b0d5b7097ea5a0
AgentTesla
bf411b461237ce0b5f1cf021af00bf94c0f31a8aac095c9d36581c5095fcc2a7
AgentTesla
c97c2d72553b6f818ebb58b1ac6157c7e072b628015577973fa862ca0d2ecd77
AgentTesla
df5e40d1e917f0bd4c424f65c8e2557d094f5eff22b4ba6f63f093333ebbb8a9
AgentTesla
ef84b2ff04124e92bb1f3cd7d7ea4f8c61d130b0171a66586fb72ce46a28057b
AgentTesla
+ 5'967 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/210621-g9wbd4f1da/
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:
9ce5950262dd0ee7f595ce776fdaa75bfb5149d9b823aeda1eafe6befa87280b
MD5 hash:
3e9205c25690200445aafddfe54e8853
SHA1 hash:
fe51d0a5560ecb787c41a3417df388e53a2364c1
Link:
https://www.unpac.me/results/51d1555d-9cb7-40a6-911d-a422ff5bb330/
SH256 hash:
c7c394dca613a845ce784647d60f533c96c498ad038271e231bd1de9501fe01f
MD5 hash:
a85ca62a2ee9c74bd5ea0085c8c84cc2
SHA1 hash:
13bf7361582913cd0be0896c885a769d69fd2f56
Link:
https://www.unpac.me/results/51d1555d-9cb7-40a6-911d-a422ff5bb330/
SH256 hash:
18a01cfee65098b0cdc7b92f49c87446aca438513dc1e83e3572ed690dbe9dac
MD5 hash:
93a1da3ed01bfa2ef4808d086a4d47a2
SHA1 hash:
35baa372c64d6f903ffeb77566d2db3bd43510bb
Link:
https://www.unpac.me/results/51d1555d-9cb7-40a6-911d-a422ff5bb330/
SH256 hash:
a2ab4d45b0c8718c31b8e315263577916f7e7dfc2b62c083ce4d4ca9a94f8451
MD5 hash:
b81e0112d358b4570c78b058bf9d8aad
SHA1 hash:
bb0826309b53e419a118b0c121feba1818ea0d90
Link:
https://www.unpac.me/results/51d1555d-9cb7-40a6-911d-a422ff5bb330/
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/a2ab4d45b0c8718c31b8e315263577916f7e7dfc2b62c083ce4d4ca9a94f8451

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AgentTesla

Executable exe a2ab4d45b0c8718c31b8e315263577916f7e7dfc2b62c083ce4d4ca9a94f8451

(this sample)

  
Delivery method
Distributed via e-mail attachment

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