MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a830659cb5950a876a44c9cf929aa552fb32f772f625bd7406b86d05c7fdf0a9. 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 2 File information Comments
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SHA256 hash: a830659cb5950a876a44c9cf929aa552fb32f772f625bd7406b86d05c7fdf0a9
SHA3-384 hash: 7046b386db315ee1076adb49982e2fc2aab2812a442771601ff01fa464dca5d5829570c42a6683bf639849f3d5b04a13
SHA1 hash: b711414d2547b326f48a9e9b46350e2c08fcf242
MD5 hash: 36001d4547669f13bd0bbdbb9abacd1c
humanhash: social-sweet-green-quebec
File name:PURCHASE ORDER PO# 094.DOC.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:632'832 bytes
First seen:2023-05-09 18:29:58 UTC
Last seen:2023-05-13 22:55:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:ENj5AyA+l0uKf/+rVB9sbBM4Hdh29n2y+5am84u7lorfuT0:E3zl0uu/wAtton2Y4Ylor2T0
TLSH T109D4E07091AE45E2E20B8A701A78BDF11E7271E3FDD845780B3E9544DFABB143E8894D
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)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
329
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PURCHASE ORDER PO# 094.DOC.exe
Verdict:
Malicious activity
Analysis date:
2023-05-09 18:31:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/50f25c11-684e-4262-b2fc-dfa7fa15e4ba

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/387923/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.66954551.22696.4964.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo jigsaw packed
Link:
https://www.filescan.io/uploads/645a912c3b40ceeb9637c6c8/reports/9fb91dff-0826-4f89-9c33-70b386357b8e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a830659cb5950a876a44c9cf929aa552fb32f772f625bd7406b86d05c7fdf0a9
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ded6e492-6248-47d0-96e1-5b2cd5dd1f71
Result
Threat name:
AgentTesla, zgRAT
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1229493
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
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)
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
Snort IDS alert for network traffic
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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 862471 Sample: PURCHASE_ORDER_PO#_094.DOC.exe Startdate: 09/05/2023 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 9 other signatures 2->55 7 PURCHASE_ORDER_PO#_094.DOC.exe 6 2->7         started        11 uUZoPBsEPQHni.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\...\uUZoPBsEPQHni.exe, PE32 7->33 dropped 35 C:\...\uUZoPBsEPQHni.exe:Zone.Identifier, ASCII 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmp2145.tmp, XML 7->37 dropped 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->57 59 Uses schtasks.exe or at.exe to add and modify task schedules 7->59 61 Adds a directory exclusion to Windows Defender 7->61 13 PURCHASE_ORDER_PO#_094.DOC.exe 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        63 Multi AV Scanner detection for dropped file 11->63 65 Machine Learning detection for dropped file 11->65 67 Injects a PE file into a foreign processes 11->67 21 uUZoPBsEPQHni.exe 2 11->21         started        23 schtasks.exe 1 11->23         started        25 uUZoPBsEPQHni.exe 11->25         started        signatures5 process6 dnsIp7 39 smtp.legendxpress.com 13->39 41 us2.smtp.mailhostbox.com 208.91.199.225, 25, 49696 PUBLIC-DOMAIN-REGISTRYUS United States 13->41 43 192.168.2.1 unknown unknown 13->43 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        45 208.91.198.143, 25, 49697 PUBLIC-DOMAIN-REGISTRYUS United States 21->45 47 smtp.legendxpress.com 21->47 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->69 71 Tries to steal Mail credentials (via file / registry access) 21->71 73 Tries to harvest and steal browser information (history, passwords, etc) 21->73 31 conhost.exe 23->31         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a830659cb5950a876a44c9cf929aa552fb32f772f625bd7406b86d05c7fdf0a9/
Threat name:
Win32.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2023-05-09 08:23:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vayglhfvsufio2sezhhzfgvfkl5tf53s6ys325agxbwqlr756cuq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230509-w5f7zadc82/
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
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
3ab1dcc37e7c5c643bf41e9f0f81f816f24974fbddde95e2af52426e3374dd35
MD5 hash:
8a2c496875c0871aecc16aae768b323f
SHA1 hash:
f5423a32125c70b512de301c5616c7b75477e2e7
Link:
https://www.unpac.me/results/400e4756-82d0-42d4-b264-b6cc3d08510a/
SH256 hash:
473895c4cb2ed93d8e2208ad85d26da9d22476b3acd6238fb34e606a373e4084
MD5 hash:
bcb299c1965ec6ce21f30ee298fc4d60
SHA1 hash:
e100b9309617079f876fa98a2cad2c67df695d18
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/400e4756-82d0-42d4-b264-b6cc3d08510a/
Parent samples :
a830659cb5950a876a44c9cf929aa552fb32f772f625bd7406b86d05c7fdf0a9
4634594a43ca9d6f4630aecf8a17a04a1b2e942cafa3080a4064e2ec7741bd5f
9a9a651e84d6fd857279cf6e82ec3a888a1271ff900d0ec11585dd3877afeebb
de11b502cc700a6318e9100ef9f37e6514617f093b0263dce9e29fa40662cab9
SH256 hash:
ca5af6fccd2e6ccda7f88d9109c8c6af2eeae43ccc7c7f5bcf8a432997f37cdc
MD5 hash:
d41d3e487c279b1b439590c37b8bb61a
SHA1 hash:
990ac66aa6389c37a80f8b5cfd2cdc7f64ab7875
Link:
https://www.unpac.me/results/400e4756-82d0-42d4-b264-b6cc3d08510a/
SH256 hash:
abf5897c097bb1294ff9fb5cc2b8279d8eba3622d665fcbf7036b92632598e18
MD5 hash:
668b98447e7df9fbb9fb6d5604551ca6
SHA1 hash:
95611d2f08ae2008b8aa43cb9bbaae5606a38065
Link:
https://www.unpac.me/results/400e4756-82d0-42d4-b264-b6cc3d08510a/
SH256 hash:
ebdd006a21a900f14078a05888da91838aceda1e16324f2ed537eb5f0331cba1
MD5 hash:
78bf592606f33c649d1ef2b861e4e38a
SHA1 hash:
48b1b09968055756d221b2d43440b6742b36e449
Link:
https://www.unpac.me/results/400e4756-82d0-42d4-b264-b6cc3d08510a/
SH256 hash:
a830659cb5950a876a44c9cf929aa552fb32f772f625bd7406b86d05c7fdf0a9
MD5 hash:
36001d4547669f13bd0bbdbb9abacd1c
SHA1 hash:
b711414d2547b326f48a9e9b46350e2c08fcf242
Link:
https://www.unpac.me/results/400e4756-82d0-42d4-b264-b6cc3d08510a/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a830659cb595/report/overview.html
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/a830659cb5950a876a44c9cf929aa552fb32f772f625bd7406b86d05c7fdf0a9

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
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Rule name:Skystars_Malware_Imphash
Create hunting rule
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 a830659cb5950a876a44c9cf929aa552fb32f772f625bd7406b86d05c7fdf0a9

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/387923/

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