MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a238550d2ebef5de175ac81976c00504f74f935edc10903a3a0b23075c8e77b. 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: 14


Intelligence 14 IOCs YARA 15 File information Comments

SHA256 hash: 1a238550d2ebef5de175ac81976c00504f74f935edc10903a3a0b23075c8e77b
SHA3-384 hash: 6eafa5cb5396e45f2fd97209fe497b22f576f031694b8cba88705da4aaede44cdb44d0a493d5c8237906ca4ac434a29f
SHA1 hash: dd775d5caf9bd79f31419e55021b3ccb4fd00133
MD5 hash: 88c8682ab228205d083d85716a48b942
humanhash: island-batman-speaker-nuts
File name:88c8682ab228205d083d85716a48b942.exe
Download: download sample
Signature AgentTesla
File size:666'976 bytes
First seen:2022-10-10 14:45:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:yoFU1q4t8hexSjsapJAC9zLL3eH9GsaJuka5gCi/OB7:yoS1WkxSdo2LCHwseZNK7
Threatray 2'747 similar samples on MalwareBazaar
TLSH T1E6E4017196F2C4E3DA186A37B2458B0336FCAB052DEA41A6499C20DDD77F25B30CD5CA
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 550959654d651945 (37 x Formbook, 28 x AgentTesla, 14 x RemcosRAT)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay packed
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.
Result
Threat name:
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 719647 Sample: N7ahY0OsyK.exe Startdate: 10/10/2022 Architecture: WINDOWS Score: 100 51 Multi AV Scanner detection for domain / URL 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for URL or domain 2->55 57 6 other signatures 2->57 8 N7ahY0OsyK.exe 1 2->8         started        process3 file4 41 C:\Users\user\AppData\...417ahY0OsyK.exe.log, ASCII 8->41 dropped 69 Writes to foreign memory regions 8->69 71 Allocates memory in foreign processes 8->71 73 Injects a PE file into a foreign processes 8->73 12 aspnet_compiler.exe 2 16 8->12         started        17 aspnet_compiler.exe 8->17         started        19 powershell.exe 7 8->19         started        21 svchost.exe 8->21         started        signatures5 process6 dnsIp7 47 top.thekillforabuse1.xyz 195.178.120.12, 49704, 49705, 49706 HEXAGLOBE-ASFR unknown 12->47 49 geoplugin.net 178.237.33.50, 49708, 80 ATOM86-ASATOM86NL Netherlands 12->49 43 C:\Users\user\AppData\Local\Temp\dwn.exe, PE32 12->43 dropped 75 Tries to harvest and steal browser information (history, passwords, etc) 12->75 77 Maps a DLL or memory area into another process 12->77 23 dwn.exe 15 2 12->23         started        27 aspnet_compiler.exe 1 12->27         started        29 aspnet_compiler.exe 1 12->29         started        35 21 other processes 12->35 79 Performs DNS queries to domains with low reputation 17->79 31 conhost.exe 19->31         started        33 WerFault.exe 21->33         started        file8 signatures9 process10 dnsIp11 45 95.214.24.120, 80 CMCSUS Germany 23->45 59 Multi AV Scanner detection for dropped file 23->59 61 Machine Learning detection for dropped file 23->61 37 WerFault.exe 23->37         started        39 WerFault.exe 23->39         started        63 Tries to steal Instant Messenger accounts or passwords 27->63 65 Tries to steal Mail credentials (via file / registry access) 27->65 67 Tries to harvest and steal browser information (history, passwords, etc) 35->67 signatures12 process13
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-10-10 07:42:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Remcos
Malware Config
C2 Extraction:
top.thekillforabuse1.xyz:55988
Unpacked files
SH256 hash:
bfa12a2456d40d6c32a1f4e35bd43c81f6f67466234faed8fec19397d0e6d808
MD5 hash:
7a7927bac28be846b2fd2a5d10ba0676
SHA1 hash:
67a7b8616fc8e7aa7bb7a6e2521548e67a7caa2d
SH256 hash:
1a238550d2ebef5de175ac81976c00504f74f935edc10903a3a0b23075c8e77b
MD5 hash:
88c8682ab228205d083d85716a48b942
SHA1 hash:
dd775d5caf9bd79f31419e55021b3ccb4fd00133
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:BAZT_B5_NOCEXInvalidStream
Rule name:INDICATOR_EXE_Packed_MPress
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
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_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NETDIC208_NOCEX_NOREACTOR
Rule name:pe_imphash
Rule name:QbotStuff
Author:anonymous
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information


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

Comments