MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fbb62d968bdefed10ac329bd93420d9acd82434a2be2f654959071ac85307932. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fbb62d968bdefed10ac329bd93420d9acd82434a2be2f654959071ac85307932
SHA3-384 hash: b7487e1d5df2399b5cd4f1f7a9002af2d1a22bb6bb97ef2fbc01f01517037d218a328712eeac7c84d0cdf6032f9858e9
SHA1 hash: 3d488b42c620dd42a10178744c7046485fa800fd
MD5 hash: d36cd9d335cdb5a8c3cf4c80cff14182
humanhash: mirror-bulldog-crazy-chicken
File name:MV. WINTER SUMMER.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:672'768 bytes
First seen:2021-04-13 05:46:01 UTC
Last seen:2021-04-13 07:03:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:piS7tryJ2ocwi17L8ozlcEUs/BDowon8bfDv+CXo0kyt:pz7t2JpY7Ltzl6s/lowon82Ao0kyt
Threatray 4'038 similar samples on MalwareBazaar
TLSH 0CE40282741056D9F86C4A71546B887506273CBE4CB2E8BF709EB36D47B3242463FB6E
Reporter Anonymous
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
144
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MV. WINTER SUMMER.exe
Verdict:
Malicious activity
Analysis date:
2021-04-13 05:32:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e26c5f31-e1e4-4066-9bfe-ea71e6bad3e4

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/133883/
Detection(s):
SecuriteInfo.com.ArtemisD36CD9D335CD.11686.30402.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a service
Deleting a recently created file
Launching a process
Creating a file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Verdict:
SUSPICIOUS
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.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/673863
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 385872 Sample: MV. WINTER SUMMER.exe Startdate: 13/04/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Multi AV Scanner detection for dropped file 2->38 40 Multi AV Scanner detection for submitted file 2->40 42 9 other signatures 2->42 7 MV. WINTER SUMMER.exe 6 2->7         started        process3 file4 26 C:\Users\user\...\MV. WINTER SUMMER.exe, PE32 7->26 dropped 28 C:\...\MV. WINTER SUMMER.exe:Zone.Identifier, ASCII 7->28 dropped 30 C:\Users\user\...\MV. WINTER SUMMER.exe.log, ASCII 7->30 dropped 32 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 7->32 dropped 44 Adds a directory exclusion to Windows Defender 7->44 11 AdvancedRun.exe 1 7->11         started        14 powershell.exe 23 7->14         started        16 AdvancedRun.exe 1 7->16         started        18 MV. WINTER SUMMER.exe 2 7->18         started        signatures5 process6 dnsIp7 34 192.168.2.1 unknown unknown 11->34 20 AdvancedRun.exe 11->20         started        22 conhost.exe 14->22         started        24 AdvancedRun.exe 16->24         started        process8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fbb62d968bdefed10ac329bd93420d9acd82434a2be2f654959071ac85307932/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-04-13 03:41:59 UTC
AV detection:
5 of 48 (10.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7o3c3ful337nccwdfg6zgqqntlgyeq2kfprpmvevsby2zbjqpeza._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
3252902f96a3564966a28b2144ce24a243e9c497d9f55b8c87261226c63f322a
AgentTesla
3d081fe070ed59a22e54ef3c7aca5eb6168f9068899e5d5510d0bb8e91b5d02f
AgentTesla
47aacc4b5e0967abc8215a0af0303cc8190ceae42eae4d43936ccc3cf118a82d
AgentTesla
4887639a62fab8baa56b119e5f05ec897ff95ec2b03833fc93cdc6a434f704b1
AgentTesla
79ffad444c6c77834dd38dc5aba56cad7006d815b7a101d6ab9a5f6f881fbb1d
AgentTesla
9b3c0d0fcfba031b1c667d8e990940265571bbb77a879317684f6747e0a3e969
AgentTesla
a8acff53e54f7454fd6dec6954f1505ec159f549f878a79f35d4cd5f512c09fd
AgentTesla
b62b3c31846f3873e712b5ca711e36f2c8ea7c8cfa587576339074eaad9583a3
AgentTesla
efd9570dd83a20b4c04429b1ae5a729bf7754b513bd119172e82e13a9552e59a
AgentTesla
f3955ec185341df0ba244092025e241a6410a45f1700f406e61397ff40f94192
AgentTesla
+ 4'028 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210413-4ew2be19g6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
AgentTesla Payload
Nirsoft
AgentTesla
Unpacked files
SH256 hash:
da6a156f941c6e470afd0c8f86870a2e01b59e42c6c074bbec197c72e64fb165
MD5 hash:
b695092f4724f9169add275605f41e29
SHA1 hash:
b80caabc5c9b16dba032f349848d1112213fe383
Link:
https://www.unpac.me/results/390ee908-2269-474e-9a4c-4a6790d1d64a/
SH256 hash:
df6643daa425c5adf50f4e0633f957e23d2be472df3bde6ef03f0fc87b9b57b4
MD5 hash:
98b36137741fbcb243af005596d576dd
SHA1 hash:
e0e9b44f660236349ff78d71c528e40015642bc7
Link:
https://www.unpac.me/results/390ee908-2269-474e-9a4c-4a6790d1d64a/
SH256 hash:
3da80bd8e18bf2ef5e28f5e2e0d2095b0d4e65391800ce18f9a18859d7beb220
MD5 hash:
5dbed7594d4c8d71c1882692e6776bf0
SHA1 hash:
8552a2f2afca501945fe57c1875970b6f777f709
Link:
https://www.unpac.me/results/390ee908-2269-474e-9a4c-4a6790d1d64a/
SH256 hash:
7edd55804105bff7f024a8d2fce8ff97305770723d865b0aadc70cbe0e68e14f
MD5 hash:
7b45c76085b0bc25f387fa44e16ca92d
SHA1 hash:
587fa0dfd9a3b092c28ba8948c51cb11202e4dcc
Link:
https://www.unpac.me/results/390ee908-2269-474e-9a4c-4a6790d1d64a/
SH256 hash:
fbb62d968bdefed10ac329bd93420d9acd82434a2be2f654959071ac85307932
MD5 hash:
d36cd9d335cdb5a8c3cf4c80cff14182
SHA1 hash:
3d488b42c620dd42a10178744c7046485fa800fd
Link:
https://www.unpac.me/results/390ee908-2269-474e-9a4c-4a6790d1d64a/
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/fbb62d968bdefed10ac329bd93420d9acd82434a2be2f654959071ac85307932

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.

Cape
Cape
https://www.capesandbox.com/analysis/133883/

Comments