MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21a5e58e2fe39e481f9977f94a94d352c4c492e9bd6d79d4ae3bbf4cc4a2d751. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21a5e58e2fe39e481f9977f94a94d352c4c492e9bd6d79d4ae3bbf4cc4a2d751
SHA3-384 hash: b11293a31f20fc4527abb8b9ebfa810a035177870c78ce39b17972b0f9da68b58be8c903c3ec18ade304921e6ed11401
SHA1 hash: 65b09eabf90394a48f01de0e9fb6ffc63a92d8f5
MD5 hash: 6acceb88e7f0414bba61b1be34f24d80
humanhash: william-grey-apart-massachusetts
File name:Payment for March.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:873'472 bytes
First seen:2023-05-10 07:42:23 UTC
Last seen:2023-05-13 22:54:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:GAGPGguAqZfOtxy8IQIDA3sglIwywsjz59k/3uVS7YxwMwTnLfcY7S:GBGAIqxXlnlEFjz59lV6oAnDS
Threatray 1'015 similar samples on MalwareBazaar
TLSH T128059D3C61DA5C22C31677FA8999C5E103356F00AFABD26A26BE30CC8971B93ED5154F
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9d9e1969696b0646 (9 x SnakeKeylogger, 8 x AgentTesla, 4 x Loki)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
cp5ua.hyperhost.ua:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
248
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment for March.exe
Verdict:
Malicious activity
Analysis date:
2023-05-10 07:50:05 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f6f3c568-b1c3-4636-add5-9d08b822d89b

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/388056/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys comodo lokibot packed
Link:
https://www.filescan.io/uploads/645b4b0903238d4c41f2281b/reports/278b4046-0f55-4654-b3c6-3c17bc326611/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/21a5e58e2fe39e481f9977f94a94d352c4c492e9bd6d79d4ae3bbf4cc4a2d751
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/78e73643-d22c-4b7b-88c0-b8704b13c251
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1229875
Signature
.NET source code contains method to dynamically call methods (often used by packers)
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
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)
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
Yara detected AgentTesla
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 862856 Sample: Payment_for_March.exe Startdate: 10/05/2023 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Sigma detected: Scheduled temp file as task from temp location 2->49 51 7 other signatures 2->51 7 Payment_for_March.exe 7 2->7         started        11 NsTLuXRYUaRdk.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\...35sTLuXRYUaRdk.exe, PE32 7->35 dropped 37 C:\...37sTLuXRYUaRdk.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmp9C48.tmp, XML 7->39 dropped 41 C:\Users\user\...\Payment_for_March.exe.log, ASCII 7->41 dropped 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->53 55 Uses schtasks.exe or at.exe to add and modify task schedules 7->55 57 Adds a directory exclusion to Windows Defender 7->57 13 Payment_for_March.exe 7 7->13         started        17 powershell.exe 19 7->17         started        19 powershell.exe 21 7->19         started        25 2 other processes 7->25 59 Multi AV Scanner detection for dropped file 11->59 61 Machine Learning detection for dropped file 11->61 63 Injects a PE file into a foreign processes 11->63 21 NsTLuXRYUaRdk.exe 11->21         started        23 schtasks.exe 11->23         started        signatures5 process6 dnsIp7 43 cp5ua.hyperhost.ua 91.235.128.141, 49696, 49697, 49699 ITLASUA Ukraine 13->43 65 Installs a global keyboard hook 13->65 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        67 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->67 69 Tries to steal Mail credentials (via file / registry access) 21->69 71 Tries to harvest and steal browser information (history, passwords, etc) 21->71 31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/21a5e58e2fe39e481f9977f94a94d352c4c492e9bd6d79d4ae3bbf4cc4a2d751/
Threat name:
Win32.Trojan.RemLoader
Create hunting rule
Status:
Malicious
First seen:
2023-05-10 06:35:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
33
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=egs6ldrp4opeqh4zo74uvfgtklcmjexjxvwxtvfoho7uzrfc25iq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
108ad52223146f11df1f746b5b2fa805905c183d0fab1ed35cabaa0226df91de
AgentTesla
2484f3b9e112f39471b0375d98ac190b4ffe3e29a295bcecdb8fd7b71af0094b
AgentTesla
3ae45c91266fe6bdd2d48f8b9d6ddc09e896239545256e00960fc792a41c061e
AgentTesla
57979ca3e646ecfcf45221a35642d69c66d753e9961468e65e66670c4f7513a6
AgentTesla
8e3f656f70978440245c238870f316ccdbfbadff73350dd6d204c9035cc00357
AgentTesla
9925d40e552d694f23587880808c8f53cb41ff2ef2fc5112f37aeaab7d1c6241
AgentTesla
a5ee311c1782356ae8fd1e5fc6f6a2cdde6dd79ebc5c80a02c36b3327ba3ac7d
AgentTesla
e51a6391514210d971a76cec2a5b8773344c36a57a2a850a678f3974abd5dc81
AgentTesla
e5615a6c90478a371040d8f7d4721e183b5efcc0b0e6ce64b7ab4ee1d04bf0be
AgentTesla
+ 1'005 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230510-jj97pseg82/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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:
f0ae30dda6f96097f7e517b67a4ba32b0c97548e78b8ecd128e92d3f9e9ed6b6
MD5 hash:
fe426fa7cb13e7ba2892112b344a8a71
SHA1 hash:
c85a6c34c8e16cd259508e0aad32dce0e0b5e974
Link:
https://www.unpac.me/results/700c5744-87c5-4862-8065-b815671564de/
SH256 hash:
4ef7df56e521aa9cf1e31e60886c429c1b1e4a218886ad23a82535ba7624fa34
MD5 hash:
641ff65d32f36a86ebb998723371eacf
SHA1 hash:
9d05796a2f4e4ab9d52936ddfff900a7570935f1
Link:
https://www.unpac.me/results/700c5744-87c5-4862-8065-b815671564de/
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
Link:
https://www.unpac.me/results/700c5744-87c5-4862-8065-b815671564de/
Parent samples :
ee57b6fa1e5a3c5ef776b79f32820327bcb3fe1974eeddf65c0eb56131193397
de8c7c543f438af1e7e78096f6873268e9b1a12745edf9c88db07e136163399e
SH256 hash:
6dcd7c0f99832268780e05029339a2b9a30779084b8425cf0106de3a1a069c04
MD5 hash:
8feafc930d24fc4ddce1dc6a86df91b9
SHA1 hash:
88dc5b0dc02b12eb7a9d6f285388b699695134e4
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/700c5744-87c5-4862-8065-b815671564de/
Parent samples :
21a5e58e2fe39e481f9977f94a94d352c4c492e9bd6d79d4ae3bbf4cc4a2d751
09d70a9a22f7bf12c1a6354b1d90d426e1223576d27ba855f6f48d78bf508833
SH256 hash:
5bf18333a936e0f430a0e52390060b2ea35d472bd88b1cf8299e6502e7365140
MD5 hash:
2bd1a8683a3c9993feab5f972368a5ae
SHA1 hash:
247eb4a1214e77f62e4746adae9cf31436257bdb
Link:
https://www.unpac.me/results/700c5744-87c5-4862-8065-b815671564de/
SH256 hash:
21a5e58e2fe39e481f9977f94a94d352c4c492e9bd6d79d4ae3bbf4cc4a2d751
MD5 hash:
6acceb88e7f0414bba61b1be34f24d80
SHA1 hash:
65b09eabf90394a48f01de0e9fb6ffc63a92d8f5
Link:
https://www.unpac.me/results/700c5744-87c5-4862-8065-b815671564de/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/21a5e58e2fe3/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/21a5e58e2fe39e481f9977f94a94d352c4c492e9bd6d79d4ae3bbf4cc4a2d751

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:pe_imphash
Create hunting rule
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 21a5e58e2fe39e481f9977f94a94d352c4c492e9bd6d79d4ae3bbf4cc4a2d751

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/388056/

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