MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b075664939443635f87f26f21f9b33b410871d36ead1e4a3f74328adfafc1ba2. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b075664939443635f87f26f21f9b33b410871d36ead1e4a3f74328adfafc1ba2
SHA3-384 hash: 3caba3fa31652998eee57afcd499939fcebf3b175517b268a1222808b89859c361aa4a3bdaa5e05907820568c2c1cb63
SHA1 hash: 46d2bf1011cce2659ae89eed674f76f8fa61e2c6
MD5 hash: 513ede9cc300a312dfd6345eeb002086
humanhash: mountain-friend-saturn-missouri
File name:IMG_9787.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:434'176 bytes
First seen:2022-01-17 12:24:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:JPXF3tiO+UjUxfbF/NDP76fsZ2JXy2bM36BK+W6c7kRRRRRER:NJD+UgxfbtNDPGfsZyXm36BKH6c7kRR+
Threatray 14'176 similar samples on MalwareBazaar
TLSH T1719412A877FC5B94CDB687FD75A2560117BEE95C3023E24C7DC6A1DD0A62B404600EAB
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
208
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IMG_9787.exe
Verdict:
Malicious activity
Analysis date:
2022-01-17 12:27:00 UTC
Tags:
keylogger stealer agenttesla
Link:
https://app.any.run/tasks/b8e99994-e1a5-45ce-b37b-9806057acf4f

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/219835/
Detection(s):
SecuriteInfo.com.Trojan.Hosts.49477.30444.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed
Link:
https://www.filescan.io/uploads/61e560270f8c757253c4556c/reports/e6cb3cb8-ced9-4b86-9827-051dc1a592cd/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/f68b7ef2-4b99-4682-b88a-c0d915a73e9e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/921781
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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
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 / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 554259 Sample: IMG_9787.exe Startdate: 17/01/2022 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected AgentTesla 2->41 43 5 other signatures 2->43 6 IMG_9787.exe 3 2->6         started        10 NewApp.exe 3 2->10         started        12 NewApp.exe 2->12         started        process3 file4 21 C:\Users\user\AppData\...\IMG_9787.exe.log, ASCII 6->21 dropped 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->45 47 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->47 14 IMG_9787.exe 2 5 6->14         started        49 Multi AV Scanner detection for dropped file 10->49 51 Machine Learning detection for dropped file 10->51 53 Injects a PE file into a foreign processes 10->53 19 NewApp.exe 2 10->19         started        signatures5 process6 dnsIp7 27 mail.vermontel.net 216.66.108.34, 49813, 587 VERMONT-TELEUS United States 14->27 23 C:\Users\user\AppData\Roaming\...23ewApp.exe, PE32 14->23 dropped 25 C:\Users\user\...25ewApp.exe:Zone.Identifier, ASCII 14->25 dropped 29 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->29 31 Moves itself to temp directory 14->31 33 Tries to steal Mail credentials (via file / registry access) 14->33 35 4 other signatures 14->35 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b075664939443635f87f26f21f9b33b410871d36ead1e4a3f74328adfafc1ba2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-17 12:24:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wb2wmsjziq3dl6d7e3zb7gztwqiiohjw5li6ji7ximuk36x4dora._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0c62637cd14b2d9f0bd9554946fdffb8cea4fb70f5853965da0dad0718a7a437
AgentTesla
1ba742a8035002362e46828bcb7a24342bed430d6bcd59999afd520dba3de81e
AgentTesla
590d1a6a1fa00812284d4f5e4f47cb34d4965c79bfc9ec1741f2a8e14967719b
AgentTesla
5e922ebd226625e778e389b73f24b5e0a876139697b2dcb2e93b060303b81471
AgentTesla
7d4154d38463901a813efcd591fe9557f4375bc1caf5bbd15dc5d108fcbe43c6
AgentTesla
+ 14'166 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/220117-plmgbaadck/
Behaviour
Checks processor information in registry
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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
f4f8b8198e500fba20e2475faf788221d76c3483d22533c3f8170e25b8a8a0b0
MD5 hash:
fa0c0511f937f9c4261345d6e22e4873
SHA1 hash:
8db03a188c828bfbd25d7dc9ceaa1083e2e41d06
Link:
https://www.unpac.me/results/2391c9c5-1732-4d2b-9c73-c9ba9d47a6a0/
SH256 hash:
8cb2d54aa1bb051b76008422a6e13f0004e839f567ae0ce83382f302325fd493
MD5 hash:
a9f07cf2cebbf6f9909b9f893b6157e1
SHA1 hash:
69b9ba9c6bfac9623dc287019f1ba4056ae53d08
Link:
https://www.unpac.me/results/2391c9c5-1732-4d2b-9c73-c9ba9d47a6a0/
SH256 hash:
4664374db266f35ddf13d91c4809f750d93a8a23003d0256ca39d66051e98202
MD5 hash:
346cd169e7b678eff2386587dc3a8688
SHA1 hash:
4c46cc65ab5fbd3906413d6ae325efd6ed521442
Link:
https://www.unpac.me/results/2391c9c5-1732-4d2b-9c73-c9ba9d47a6a0/
SH256 hash:
b075664939443635f87f26f21f9b33b410871d36ead1e4a3f74328adfafc1ba2
MD5 hash:
513ede9cc300a312dfd6345eeb002086
SHA1 hash:
46d2bf1011cce2659ae89eed674f76f8fa61e2c6
Link:
https://www.unpac.me/results/2391c9c5-1732-4d2b-9c73-c9ba9d47a6a0/
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/b075664939443635f87f26f21f9b33b410871d36ead1e4a3f74328adfafc1ba2

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 b075664939443635f87f26f21f9b33b410871d36ead1e4a3f74328adfafc1ba2

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/219835/

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