MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76582a89906c218bd6da0b6e1fd8f5b27ec527fed425c66b74a6b7afa350f947. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 76582a89906c218bd6da0b6e1fd8f5b27ec527fed425c66b74a6b7afa350f947
SHA3-384 hash: 1cc6b63d5fce6e9bdef365839d53428cc5d979df137792e4f6ad0a247d75a3b0982b8d40ccc58cc08f26f9d9efac223c
SHA1 hash: 9a5e5a7150afe4e2f1d5f6e7c6ab6b9328ffb539
MD5 hash: 7aad247c73ad88fb03cb33dd002c631b
humanhash: tennessee-utah-emma-may
File name:shipping docs.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:563'200 bytes
First seen:2022-07-27 10:17:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:58WT/zh/ns8FY+K0MmK7Pazb1XoAAfvfcpuGIQZLXPGsZAT5wP5Su:WQ7RkC/Vj
TLSH T119C44C58329233DFDD2BD6758AD86C64ABE1B467C30BD217A82302A9CB0DD57CF511B2
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 469e78e4e4789e46 (10 x AgentTesla, 2 x NetWire, 1 x Formbook)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
304
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/294601/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.16610.20632.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Enabling autorun by creating a file
Changing the hosts file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62e11123ef4d15d9c0321a52/reports/828a13f1-c939-4c40-ae7d-8a356a683959/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9dd47264-c54d-4ce4-b616-294dd70b86ab
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1041754
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
.NET source code contains very large strings
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts 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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 674248 Sample: shipping docs.exe Startdate: 27/07/2022 Architecture: WINDOWS Score: 100 60 Malicious sample detected (through community Yara rule) 2->60 62 Yara detected AgentTesla 2->62 64 Yara detected AntiVM3 2->64 66 10 other signatures 2->66 7 shipping docs.exe 6 2->7         started        11 yqWDN.exe 5 2->11         started        13 yqWDN.exe 2 2->13         started        process3 file4 36 C:\Users\user\AppData\Roaming\TBojwun.exe, PE32 7->36 dropped 38 C:\Users\user\AppData\Local\...\tmpE90A.tmp, XML 7->38 dropped 40 C:\Users\user\...\shipping docs.exe.log, ASCII 7->40 dropped 68 Injects a PE file into a foreign processes 7->68 15 shipping docs.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->70 72 Machine Learning detection for dropped file 11->72 74 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->74 22 yqWDN.exe 2 11->22         started        24 schtasks.exe 1 11->24         started        signatures5 process6 dnsIp7 42 bulkon.co.ke 198.23.62.72, 49766, 49856, 587 STEADFASTUS United States 15->42 44 mail.bulkon.co.ke 15->44 30 C:\Users\user\AppData\Roaming\...\yqWDN.exe, PE32 15->30 dropped 32 C:\Windows\System32\drivers\etc\hosts, ASCII 15->32 dropped 34 C:\Users\user\...\yqWDN.exe:Zone.Identifier, ASCII 15->34 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->48 50 Tries to steal Mail credentials (via file / registry access) 15->50 52 Modifies the hosts file 15->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->54 26 conhost.exe 20->26         started        46 mail.bulkon.co.ke 22->46 56 Tries to harvest and steal ftp login credentials 22->56 58 Tries to harvest and steal browser information (history, passwords, etc) 22->58 28 conhost.exe 24->28         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/76582a89906c218bd6da0b6e1fd8f5b27ec527fed425c66b74a6b7afa350f947/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-07-27 10:18:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ozmcvcmqnqqyxvw2bnxb7whvwj7mkj762qs4m23uu2327i2q7fdq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220727-mbx4yscgem/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
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
Unpacked files
SH256 hash:
5e97ccd8dafcb36b3cb772f6a2fd425abcf221ab9ea1930e8c2618c95332f2c6
MD5 hash:
01800f6b045def8d90c649842f56d752
SHA1 hash:
f8434a4636d0772d01aac44bb3f9753a41f01d34
Link:
https://www.unpac.me/results/8b9cc793-82e8-412b-ae11-1b035337ca3e/
SH256 hash:
5af447500eccb9464f474f76d3bb1c03f1afd6b7eac607401f001a8cac636c43
MD5 hash:
544e2d60a035cc5da6b3f83855afe444
SHA1 hash:
d82bd2543b241e650739dbc347b8f33972da23ba
Link:
https://www.unpac.me/results/8b9cc793-82e8-412b-ae11-1b035337ca3e/
SH256 hash:
74bee243bda31553fc1a6aa2bd44cd42aeb061a06f6ea27a2a03c26f7bb28626
MD5 hash:
6e6bd071844f09ebce9fa422e005a057
SHA1 hash:
06c8d702cb0e46f102af35c99ff7caea7041e399
Link:
https://www.unpac.me/results/8b9cc793-82e8-412b-ae11-1b035337ca3e/
SH256 hash:
76582a89906c218bd6da0b6e1fd8f5b27ec527fed425c66b74a6b7afa350f947
MD5 hash:
7aad247c73ad88fb03cb33dd002c631b
SHA1 hash:
9a5e5a7150afe4e2f1d5f6e7c6ab6b9328ffb539
Link:
https://www.unpac.me/results/8b9cc793-82e8-412b-ae11-1b035337ca3e/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/76582a89906c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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 76582a89906c218bd6da0b6e1fd8f5b27ec527fed425c66b74a6b7afa350f947

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/294601/

Comments