MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54b8c91ae0485d795f9821b01eb839bd682aee18df6a0b54d14d6eb2a2c0e83d. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 54b8c91ae0485d795f9821b01eb839bd682aee18df6a0b54d14d6eb2a2c0e83d
SHA3-384 hash: 191d577f5913105484cd2c5921de369cf3e275b7d798ab996250ffb378cb6cbd5ee2cbfc52e33b48042cb13f78dbf482
SHA1 hash: a885ff2e4af473c68b43950bf16de9b645393623
MD5 hash: 18a3f8bbad69a2bfce5e93cc777ae6a8
humanhash: princess-lactose-hot-winter
File name:Payment copy.exe
Download: download sample
Signature AgentTesla
File size:817'664 bytes
First seen:2023-06-05 10:40:00 UTC
Last seen:2023-06-08 08:45:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:YIlWxMiQW/O4ue7mpkUFliQ7QNhZQ9TR78bj:tlYMiQWmS7QFp7Q5QBR783
TLSH T18905E01A71BA295FD8BA2AFC0C409174D3F44056B4AAE3CB4DD764EF6EE8BD04B51093
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% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon e08c0f2322073bc0 (10 x AgentTesla, 6 x Formbook, 3 x SnakeKeylogger)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
4
# of downloads :
248
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment copy.exe
Verdict:
Malicious activity
Analysis date:
2023-06-05 10:42:39 UTC
Tags:
n/a

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
Creating a process with a hidden window
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook packed remcos
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:
AgentTesla, zgRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 881688 Sample: Payment_copy.exe Startdate: 05/06/2023 Architecture: WINDOWS Score: 100 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Antivirus / Scanner detection for submitted sample 2->64 66 8 other signatures 2->66 7 Payment_copy.exe 7 2->7         started        11 wvBaxXxrl.exe 5 2->11         started        13 aCcAwFD.exe 2->13         started        15 aCcAwFD.exe 2->15         started        process3 file4 42 C:\Users\user\AppData\Roaming\wvBaxXxrl.exe, PE32 7->42 dropped 44 C:\Users\...\wvBaxXxrl.exe:Zone.Identifier, ASCII 7->44 dropped 46 C:\Users\user\AppData\Local\...\tmp1FAF.tmp, XML 7->46 dropped 48 C:\Users\user\...\Payment_copy.exe.log, ASCII 7->48 dropped 80 Uses schtasks.exe or at.exe to add and modify task schedules 7->80 82 Writes to foreign memory regions 7->82 84 Adds a directory exclusion to Windows Defender 7->84 86 Injects a PE file into a foreign processes 7->86 17 RegSvcs.exe 17 4 7->17         started        22 powershell.exe 21 7->22         started        24 schtasks.exe 1 7->24         started        88 Antivirus detection for dropped file 11->88 90 Multi AV Scanner detection for dropped file 11->90 92 Machine Learning detection for dropped file 11->92 26 RegSvcs.exe 11->26         started        28 schtasks.exe 1 11->28         started        30 conhost.exe 13->30         started        32 conhost.exe 15->32         started        signatures5 process6 dnsIp7 50 api4.ipify.org 104.237.62.211, 443, 49699, 49701 WEBNXUS United States 17->50 52 smtp.gmail.com 142.251.31.109, 25, 49700 GOOGLEUS United States 17->52 54 api.ipify.org 17->54 40 C:\Users\user\AppData\Roaming\...\aCcAwFD.exe, PE32 17->40 dropped 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->68 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->70 72 May check the online IP address of the machine 17->72 34 conhost.exe 22->34         started        36 conhost.exe 24->36         started        56 142.251.31.108, 25, 49702 GOOGLEUS United States 26->56 58 api.ipify.org 26->58 74 Tries to steal Mail credentials (via file / registry access) 26->74 76 Tries to harvest and steal browser information (history, passwords, etc) 26->76 78 Hides that the sample has been downloaded from the Internet (zone.identifier) 26->78 38 conhost.exe 28->38         started        file8 signatures9 process10
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-06-05 08:39:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
2f13f4db3405dfac3dd2945be3de440607b6e8479951c2630823009700083953
MD5 hash:
084fd7e237ece48508277cdfd578e47d
SHA1 hash:
f152839ca9518552e41320c8b3bab96d01a911e5
SH256 hash:
c440617e04a50ced73c8ab992cbe8d8954a3e41f21f046ee9d1f2a41ea9b416d
MD5 hash:
9390df6c9a6111978dee5414bc42eda6
SHA1 hash:
d3cb1c366b9e466afa93eb369838a04d30777795
SH256 hash:
d71c572f76fd56631a5d139835b56db93845f9b461e6ba81347edecbcbf2ec1d
MD5 hash:
f6da98e25f92e92adba668e984c130d9
SHA1 hash:
cf4a5d722503a56a37501edc701ab98b76c1faa0
Detections:
AgentTeslaXorStringsNet
SH256 hash:
ce4c68d474c971b8934fdc2056415fdbe6bad47fa2a71ef6c8c91af7bbfc5f5b
MD5 hash:
1ff7155eb957feed61eafe88317839ae
SHA1 hash:
c5b749dc81d2c4ade37a9f12dd9b650ef1f18b05
SH256 hash:
11654e630aafd6e697db08ee066806da284ba2e83fe197295a2ae1890bb12ebe
MD5 hash:
db979d1175daea489a5b954e9a6459a3
SHA1 hash:
6ddc7ca08b50960ea0eead4f16417e65702af64d
SH256 hash:
54b8c91ae0485d795f9821b01eb839bd682aee18df6a0b54d14d6eb2a2c0e83d
MD5 hash:
18a3f8bbad69a2bfce5e93cc777ae6a8
SHA1 hash:
a885ff2e4af473c68b43950bf16de9b645393623
Malware family:
AgentTesla.v4
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: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.

Malspam

AgentTesla

Executable exe 54b8c91ae0485d795f9821b01eb839bd682aee18df6a0b54d14d6eb2a2c0e83d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments