MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a43a637f6a3908fa64c65d33e7e3dacb51e7bc3c701a7222e112711c23f1d2a5. 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: a43a637f6a3908fa64c65d33e7e3dacb51e7bc3c701a7222e112711c23f1d2a5
SHA3-384 hash: 3c38916752f0b765c55a4dde08a7f6cc2a981e9602de177fa3ecad55c98c528805292052a17407ca7f2bb2ccde6592ee
SHA1 hash: b4d0b64e6a3b5c2b20a4a16e57bbe95fbe962b04
MD5 hash: b344fcab562c49775a4c2b052d57b356
humanhash: cat-tango-aspen-eight
File name:anyname.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:480'768 bytes
First seen:2021-11-01 13:29:04 UTC
Last seen:2021-11-01 15:35:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:4P31BygGrfWILZT1NRkMnr/wJ+cYv0e95rWD2lZOG5afFC5eXA9aNLLOBaI71QgV:431qJFTPpr/79aD2loG5afAfpQgxi1
Threatray 12'474 similar samples on MalwareBazaar
TLSH T1AFA4DF375227AECEEF7B5FF8890035500EB57C67673EC292EE8A00A226F7550CE50995
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
new inquiry order.vbs
Verdict:
Malicious activity
Analysis date:
2021-11-01 15:56:46 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0f01847f-b489-42bd-ad91-d98d9e3ae64e

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/201113/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.FYT.genEldorado.14074.23089.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Creating a file in the %temp% directory
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/617ffa91db358dd15ee33f07/reports/16745571-3f38-4f65-ad19-5124aa51ddbb/overview
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/cc76e284-68ab-4b25-bd23-e65afd95f4e1
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/880473
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
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
Multi AV Scanner detection for dropped 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)
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 / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 512907 Sample: anyname.exe Startdate: 01/11/2021 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Yara detected AgentTesla 2->49 51 5 other signatures 2->51 6 anyname.exe 3 2->6         started        10 jNnIJrO.exe 3 2->10         started        12 jNnIJrO.exe 2 2->12         started        process3 file4 29 C:\Users\user\AppData\...\anyname.exe.log, ASCII 6->29 dropped 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->55 57 Injects a PE file into a foreign processes 6->57 14 anyname.exe 2 9 6->14         started        19 anyname.exe 6->19         started        21 anyname.exe 6->21         started        59 Multi AV Scanner detection for dropped file 10->59 61 Machine Learning detection for dropped file 10->61 23 jNnIJrO.exe 2 10->23         started        25 jNnIJrO.exe 2 12->25         started        27 jNnIJrO.exe 12->27         started        signatures5 process6 dnsIp7 35 mail.gnvmetalica.pe 162.241.148.206, 49828, 49830, 49831 UNIFIEDLAYER-AS-1US United States 14->35 31 C:\Users\user\AppData\Roaming\...\jNnIJrO.exe, PE32 14->31 dropped 33 C:\Users\user\...\jNnIJrO.exe:Zone.Identifier, ASCII 14->33 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Moves itself to temp directory 14->39 41 Tries to steal Mail credentials (via file / registry access) 14->41 43 4 other signatures 14->43 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a43a637f6a3908fa64c65d33e7e3dacb51e7bc3c701a7222e112711c23f1d2a5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-01 13:28:54 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uq5gg73kheepuzggluz6py62zni6ppb4oanheixbcjyryi7r2ksq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
12f2ee1cc6d06299b1a044cae83201d6550122a5e4ea1b3211415aba57059f14
AgentTesla
38461fc3fca7395445eacab9d83379e55d151aae2826cef3b5f3363b055c6567
AgentTesla
48865de84706ce8b33c56f8653ea34498293c80e080e2e04d1df8a7d17129455
AgentTesla
51d5859f266a7b373d71b9fd71d2eec4975a8d35fb01486f624b9235120e12d8
AgentTesla
5aa7f54ea9b684e8f17b5e34d4ea0ee92352377144a902f349128068a572291b
AgentTesla
61060fa22e8fe8c29f2cd7b2b4b9bc4d350fc9331a6dfcbc2f873bec00f6818d
AgentTesla
6c4970960cedd30c379036655f72940e297a316efe355f29d81b98a1b1a7f9c6
AgentTesla
9129d794cfb4727e0245067972311d4d3dd6be3292deee4050204b5964a4ff08
AgentTesla
a740871b977faf4c7158d82cecda551928ac5dcc39fbb84a32ae575b184af39a
AgentTesla
+ 12'464 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211101-qrtcgsegfn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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
.NET Reactor proctector
AgentTesla Payload
AgentTesla
Contains code to disable Windows Defender
Unpacked files
SH256 hash:
e3625a08cee89dbeee4e741609b51c116a244134a3e50112d114a3226a1f0b0a
MD5 hash:
a6fcca59bfe5f6ab3e002e6696343c26
SHA1 hash:
fff822674a1231bd2ababcd270752ff91de244c9
Link:
https://www.unpac.me/results/fb09a4d6-e4b9-4ea1-8a85-5bd0b707cebc/
SH256 hash:
8c5c275e67f6a62c3880d694cb161ce2cba357df1c56b1ebb47626e81b52653c
MD5 hash:
78930455643e8a0ae8299d8299d33f2f
SHA1 hash:
c3aff6b45a9a0c884aa09a66b9175c860846dd66
Link:
https://www.unpac.me/results/fb09a4d6-e4b9-4ea1-8a85-5bd0b707cebc/
SH256 hash:
43e38f251dbca9aa20f3470167e5427a7e7a7cdcd25f0b6b045ae8577cd3e345
MD5 hash:
f62ab5d3528d5a3b9e270ea1f9347868
SHA1 hash:
6a74e87711c615adbd9145f829a33f55b7e42dd6
Link:
https://www.unpac.me/results/fb09a4d6-e4b9-4ea1-8a85-5bd0b707cebc/
SH256 hash:
a43a637f6a3908fa64c65d33e7e3dacb51e7bc3c701a7222e112711c23f1d2a5
MD5 hash:
b344fcab562c49775a4c2b052d57b356
SHA1 hash:
b4d0b64e6a3b5c2b20a4a16e57bbe95fbe962b04
Link:
https://www.unpac.me/results/fb09a4d6-e4b9-4ea1-8a85-5bd0b707cebc/
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/a43a637f6a3908fa64c65d33e7e3dacb51e7bc3c701a7222e112711c23f1d2a5

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/201113/

Comments