MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1c70ed91881778f7e0fc6ad5275848145424d452e1053a5a4c5c7ca58fc61fc. 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: 18


Intelligence 18 IOCs YARA 13 File information Comments

SHA256 hash: a1c70ed91881778f7e0fc6ad5275848145424d452e1053a5a4c5c7ca58fc61fc
SHA3-384 hash: d88b8d2aa4e9437559fcc190bb446938e77944c29407a24ea6b0f6369664e26b2a693ca06429675240ae4d5715c42316
SHA1 hash: c2cf64e4d306b078782b0859f375d38433d423f9
MD5 hash: f3d30a5c007b21ea79a085470a7098e6
humanhash: spaghetti-east-sink-golf
File name:BOQ- AE200039828.exe
Download: download sample
Signature AgentTesla
File size:717'312 bytes
First seen:2023-10-25 13:02:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:WsSDAY4YVZsTAPAKlxR0NK8+iZSIRuJcZEOZTRPHgB4riqV4:snVZZIZAumyZESRyeiqV
Threatray 784 similar samples on MalwareBazaar
TLSH T1EAE422087BF61B2BC4AA0BF58A7251650777D65F25F2FB6C4E40E1CC0C67F624A5062B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon c0c4ccb4a8e27634 (11 x AgentTesla, 2 x Formbook, 2 x SnakeKeylogger)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
333
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
BOQ- AE200039828.exe
Verdict:
Malicious activity
Analysis date:
2023-10-25 13:04:44 UTC
Tags:
stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Contains functionality to log keystrokes (.Net Source)
Contains functionality to register a low level keyboard hook
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1331884 Sample: BOQ-_AE200039828.exe Startdate: 25/10/2023 Architecture: WINDOWS Score: 100 33 discordapp.com 2->33 35 api4.ipify.org 2->35 37 api.ipify.org 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 6 other signatures 2->45 7 laweFc.exe 3 2->7         started        10 BOQ-_AE200039828.exe 3 2->10         started        12 laweFc.exe 2 2->12         started        signatures3 process4 signatures5 47 Multi AV Scanner detection for dropped file 7->47 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->49 51 Machine Learning detection for dropped file 7->51 53 Contains functionality to register a low level keyboard hook 7->53 14 laweFc.exe 14 2 7->14         started        55 Injects a PE file into a foreign processes 10->55 17 BOQ-_AE200039828.exe 16 5 10->17         started        21 BOQ-_AE200039828.exe 10->21         started        23 laweFc.exe 12->23         started        process6 dnsIp7 29 api4.ipify.org 104.237.62.212, 443, 49739, 49745 WEBNXUS United States 17->29 31 discordapp.com 162.159.134.233, 443, 49741, 49742 CLOUDFLARENETUS United States 17->31 25 C:\Users\user\AppData\Roaming\...\laweFc.exe, PE32 17->25 dropped 27 C:\Users\user\...\laweFc.exe:Zone.Identifier, ASCII 17->27 dropped 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->57 59 Tries to steal Mail credentials (via file / registry access) 17->59 61 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->61 63 Tries to harvest and steal browser information (history, passwords, etc) 23->63 65 Installs a global keyboard hook 23->65 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2023-10-25 00:55:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://discordapp.com/api/webhooks/1163581272044601434/b0KBArf_scYnvwik_1IFEHua-qmbcsHn3Z5lcKD1yRIRkMnxnuVUR94jj2EBsur3roRZ
Unpacked files
SH256 hash:
797e57bd74a68f7b4808a213f5c319ee4f4b023bc73088175d4393dfee9fe329
MD5 hash:
3c927935fbd608e7628cc2c5ad7d52fd
SHA1 hash:
ee0c880c0614ac960fd641f7d479233584aed1d8
SH256 hash:
593b733e01c160cf98634d7d0c9d6c1573c665318e00dad9cf2b1ae97e9d9d40
MD5 hash:
8155a55f97773a5e5bb9ecbc616a8bd2
SHA1 hash:
9a2692e8357783888b67307f5c51f950576a0484
SH256 hash:
913ccc0587c7caf7373b4f4ea101b0ca0d2a6f6f0158eda59ecfb732dfadc661
MD5 hash:
6599e925e7e71ee6a886140c1ac8731b
SHA1 hash:
4f1263f12ca634a52bc267677c0d67363f15fa0c
SH256 hash:
2b603e22585f41e6feeb8d0ce9a417a55cd5fec5394ac53eefb6349864f3cb2b
MD5 hash:
be1858db74162408c29c8b8484b3cf88
SHA1 hash:
347aa117eef4320fc65140b82344e4697acab7e4
Detections:
win_agent_tesla_g2
SH256 hash:
a1c70ed91881778f7e0fc6ad5275848145424d452e1053a5a4c5c7ca58fc61fc
MD5 hash:
f3d30a5c007b21ea79a085470a7098e6
SHA1 hash:
c2cf64e4d306b078782b0859f375d38433d423f9
Malware family:
AgentTesla
Verdict:
Malicious
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:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

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