MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21d9ef381a8b23032d6371bc8969b0565f13eb8e4b74dc38775bca233b79e8aa. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21d9ef381a8b23032d6371bc8969b0565f13eb8e4b74dc38775bca233b79e8aa
SHA3-384 hash: 3d20f5f7f6086ab74d26e91f12a31315efcf5175e5d29f71964f8a3cdb958173df125c4681c9f91b46207a491e751614
SHA1 hash: 661048411fe72ea0becd54f28374f70e4b2a2bb3
MD5 hash: eed865a1dde185ade5756052e0eb4e85
humanhash: north-maryland-west-sierra
File name:KyELTvlArhdl7Nr.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:686'592 bytes
First seen:2022-05-10 16:09:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'603 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:FzTu9WwDmPcCXq5eRzl7ZsxpraNe7UqTkcI5/iCADu+6sfSgDSuV:Vu9WwQFXqcdhZ82gTTkfg9DIsqgDSM
Threatray 17'210 similar samples on MalwareBazaar
TLSH T150E40211B2B89BA5C43C0BF93979845057B17C2AE921DB5B5ECEB0EF1973B400681FA7
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter pr0xylife
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
255
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
KyELTvlArhdl7Nr.exe
Verdict:
Malicious activity
Analysis date:
2022-05-10 16:15:19 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/265e1114-f3d9-4d7a-93ca-d056fb598e6d

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/269494/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.17447.14633.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/627a8e7a36c061db6e60ceba/reports/54058f85-c63f-47db-ab19-d4a53d51909f/overview
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/ab7ccc56-4419-43af-b22b-5955cf6d9fac
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/991160
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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 BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 623666 Sample: KyELTvlArhdl7Nr.exe Startdate: 10/05/2022 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 6 other signatures 2->55 6 KyELTvlArhdl7Nr.exe 3 2->6         started        10 UFzkOhv.exe 3 2->10         started        12 UFzkOhv.exe 2 2->12         started        process3 file4 27 C:\Users\user\...\KyELTvlArhdl7Nr.exe.log, ASCII 6->27 dropped 57 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->57 59 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->59 61 Injects a PE file into a foreign processes 6->61 14 KyELTvlArhdl7Nr.exe 2 5 6->14         started        63 Multi AV Scanner detection for dropped file 10->63 65 Machine Learning detection for dropped file 10->65 19 UFzkOhv.exe 2 10->19         started        21 UFzkOhv.exe 12->21         started        23 UFzkOhv.exe 12->23         started        25 UFzkOhv.exe 12->25         started        signatures5 process6 dnsIp7 33 mail.ccphotos.com.au 203.170.82.33, 49777, 49793, 49797 DREAMSCAPE-AS-APDreamscapeNetworksLimitedAU Australia 14->33 29 C:\Users\user\AppData\Roaming\...\UFzkOhv.exe, PE32 14->29 dropped 31 C:\Users\user\...\UFzkOhv.exe:Zone.Identifier, ASCII 14->31 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Tries to steal Mail credentials (via file / registry access) 14->39 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->41 35 192.168.2.1 unknown unknown 19->35 43 Tries to harvest and steal ftp login credentials 21->43 45 Tries to harvest and steal browser information (history, passwords, etc) 21->45 47 Installs a global keyboard hook 21->47 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/21d9ef381a8b23032d6371bc8969b0565f13eb8e4b74dc38775bca233b79e8aa/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-10 15:55:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ehm66oa2rmrqglldog6is2nqkzprh24ojn2nyodxlpfcgo3z5cva._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
49a9d39a546af011f10b52efa9f9fa003524a7585fb08f3101da8d090e6b93e6
AgentTesla
9213771d3c5189ae487f47c552a34856d2298ed22aac305bc5f29c03212312ea
AgentTesla
9b9e7f65b6e87acaeb34f568af68ba6c2246cf320329d56af03673f5f3908ddb
AgentTesla
9bf81bbb5c81b485b3cb9f5e79fdca12618929ab1d59cd46864f8eb31039d42d
AgentTesla
ad42e638f96ae99772ba92d8cd8a8f2ba158e23c57e446049f5a784d60469306
AgentTesla
d8238c57df8b780cd01ac787cd99b4b126b4423711b7b2aed53fa5500e64e3c4
AgentTesla
ec5c817ad2b40525aa2f414a9d027eb313f2ead3b7d7bb28615a7725873d273f
AgentTesla
+ 17'200 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220510-tmceysbca4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
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:
d4d8f53e234ebb4399955b348593fd43996a19144b747402a7dced2397f931d0
MD5 hash:
3a0a52ce191df2387d1f835df4481250
SHA1 hash:
98865f59d7c7312861394a5a447d44f1a74b66fc
Link:
https://www.unpac.me/results/cbc32d95-35c8-4a1a-ac22-cade16564a4a/
SH256 hash:
e02a54da44787b2887f6664e10127aed22bc8804a90ea5dc4e498022687333ee
MD5 hash:
ea8f11b1fd8027a95846cf6b3b6402f8
SHA1 hash:
7839bba525c1b02f61b28c0f69be2607e7a375a9
Link:
https://www.unpac.me/results/cbc32d95-35c8-4a1a-ac22-cade16564a4a/
SH256 hash:
52c06ab588540228c54f047d12d8be1632e4650772630ca0ff642c33ddbe122f
MD5 hash:
51641cf7e77a5bd2b7bd4bc8f2134bf5
SHA1 hash:
71c291105943e968a8627cb8a23d6fcf0a610047
Link:
https://www.unpac.me/results/cbc32d95-35c8-4a1a-ac22-cade16564a4a/
SH256 hash:
f231aa34747853b08765c7a8279ea2f35e034805b40e8f215eb55219aa7f0be5
MD5 hash:
699e3cc9da5fdb9b84c75f9f21a7c17a
SHA1 hash:
6e60b2409e5f23345dc986d60fe142a5323002f7
Link:
https://www.unpac.me/results/cbc32d95-35c8-4a1a-ac22-cade16564a4a/
SH256 hash:
21d9ef381a8b23032d6371bc8969b0565f13eb8e4b74dc38775bca233b79e8aa
MD5 hash:
eed865a1dde185ade5756052e0eb4e85
SHA1 hash:
661048411fe72ea0becd54f28374f70e4b2a2bb3
Link:
https://www.unpac.me/results/cbc32d95-35c8-4a1a-ac22-cade16564a4a/
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/21d9ef381a8b23032d6371bc8969b0565f13eb8e4b74dc38775bca233b79e8aa

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
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.

Cape
Cape
https://www.capesandbox.com/analysis/269494/

Comments