MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38a28c23a06bd4d76b939f80a9d771869474f6570c1879da4ba7b6561efb5f11. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 38a28c23a06bd4d76b939f80a9d771869474f6570c1879da4ba7b6561efb5f11
SHA3-384 hash: d05fee8d856fa4cf3fa246470b909762aa699819acd2f32bddf010ced99fc434ecb236b141f91b1d247ba750548882bc
SHA1 hash: 14c19a0980f18d6995be48f2c93a524b4223a19f
MD5 hash: 5613f3933081b2e420bb667da9e46f4d
humanhash: yellow-jupiter-winner-oregon
File name:SKM_C3350191107102300.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:891'392 bytes
First seen:2021-04-29 12:23:32 UTC
Last seen:2021-04-29 13:15:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:HVxcMRhLMiK6z5Xa78JWaGJCC5zAoSYBg59NdYxw0XK7Z9ZLSa9DLSK:1xzhMihXo8jPC7SrZdewt7Z9ZLx9DLH
Threatray 6 similar samples on MalwareBazaar
TLSH 8B15012B33949A19E0BD17F918B0814053B9F9117A22D71D7E99625D0EF3BD2CB2B3E1
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/146672/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.688-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/702218
Signature
.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
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)
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 400029 Sample: SKM_C3350191107102300.exe Startdate: 29/04/2021 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 Sigma detected: Scheduled temp file as task from temp location 2->49 51 5 other signatures 2->51 7 SKM_C3350191107102300.exe 7 2->7         started        11 newapp.exe 4 2->11         started        13 newapp.exe 3 2->13         started        process3 dnsIp4 35 C:\Users\user\AppData\Roaming\TlVgZLXv.exe, PE32 7->35 dropped 37 C:\Users\user\AppData\Local\Temp\tmpAAF.tmp, XML 7->37 dropped 39 C:\Users\...\SKM_C3350191107102300.exe.log, ASCII 7->39 dropped 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->61 63 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->63 65 Uses schtasks.exe or at.exe to add and modify task schedules 7->65 16 SKM_C3350191107102300.exe 2 5 7->16         started        21 schtasks.exe 1 7->21         started        67 Multi AV Scanner detection for dropped file 11->67 69 Injects a PE file into a foreign processes 11->69 23 schtasks.exe 1 11->23         started        25 newapp.exe 2 11->25         started        43 127.0.0.1 unknown unknown 13->43 file5 signatures6 process7 dnsIp8 41 smtp.vivaldi.net 31.209.137.12, 49752, 587 HRINGDU-ASIS Iceland 16->41 31 C:\Users\user\AppData\Roaming\...\newapp.exe, PE32 16->31 dropped 33 C:\Users\user\...\newapp.exe:Zone.Identifier, ASCII 16->33 dropped 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->53 55 Tries to steal Mail credentials (via file access) 16->55 57 Tries to harvest and steal ftp login credentials 16->57 59 2 other signatures 16->59 27 conhost.exe 21->27         started        29 conhost.exe 23->29         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/38a28c23a06bd4d76b939f80a9d771869474f6570c1879da4ba7b6561efb5f11/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-04-29 12:22:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
37
AV detection:
5 of 47 (10.64%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hcriyi5anpkno24tt6aktv3rq2khj5sxbqmhtwslu63fmhx3l4iq._file
Verdict:
unknown
Similar samples:
10043644a25b01c6dc14d1cb146c384eed12c345a951bb1573c6ac57ff2c03ec
AgentTesla
1d6594dae8104135ded8e7ccb1adb6805ef9d770d866b8786dec290a639c9920
AgentTesla
5ec1e61f1b16385377817460f00e7efc8cdb2d45b625a165f4d62bab276b0d53
AgentTesla
960c29fb936458bf529e1ce90138a6d5de5c5c49e18ae552b19de309080fb4ed
AgentTesla
9ea4a4a25a5cda6ab988055c5172dc2993acc05dcb480f9007d52b188b7d44c7
AgentTesla
b40ad65591265e4e41072960963f3c4471b009dd8cd24972bee44dbaadaf1b0f
AgentTesla
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210429-cnb2y9tsg6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
11cf5a51e593c007ff4f91294cf505ffd5e425e56387c60d81e6479cc284cc3b
MD5 hash:
73cc3f7e7700e6a54cb5f291dffe5aa1
SHA1 hash:
09174f9fa55c9bac0540efb7a8c682878a32d02d
Link:
https://www.unpac.me/results/2bb15e42-2e44-4d95-8c71-6b50320379c7/
SH256 hash:
38a28c23a06bd4d76b939f80a9d771869474f6570c1879da4ba7b6561efb5f11
MD5 hash:
5613f3933081b2e420bb667da9e46f4d
SHA1 hash:
14c19a0980f18d6995be48f2c93a524b4223a19f
Link:
https://www.unpac.me/results/2bb15e42-2e44-4d95-8c71-6b50320379c7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/38a28c23a06bd4d76b939f80a9d771869474f6570c1879da4ba7b6561efb5f11

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
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/146672/

Comments