MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fcd3f9e0e5e44fe8b4f1fc41ad808a421a3c59a5cedfea7afa443708badc601. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4fcd3f9e0e5e44fe8b4f1fc41ad808a421a3c59a5cedfea7afa443708badc601
SHA3-384 hash: 5a84c8ab33830f88b5b41c11bd4624d9f7a1a534f3e6d2fbddfd2637d4f621d2235630ba3cd4bb84131ecd774f424a16
SHA1 hash: 16c4c25cf8cc2e314e48cae28a1eacf85a6cf1ba
MD5 hash: e0ab1c2ae91defc4d4219bc6e39e4c1a
humanhash: sixteen-kilo-double-tango
File name:NSfzA4ooMisVxKC.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:627'712 bytes
First seen:2023-07-17 07:32:50 UTC
Last seen:2023-07-17 15:18:58 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:KhKt61MtkhJp240ZZzg1grOLhk2PLu12j0eq55nm+XqTrQaSejL8Z:9MAWJQTjkEOLhk2K2jkm+XqTrQaSejLk
Threatray 5'222 similar samples on MalwareBazaar
TLSH T1C6D49D38607C8BAFEB57C7B6D430211213F412666AF2E39C8CBA64EF7E35724A154572
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 cocaman
Tags:AgentTesla exe QUOTATION

Intelligence

File Origin
# of uploads :
2
# of downloads :
279
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
NSfzA4ooMisVxKC.exe
Verdict:
Malicious activity
Analysis date:
2023-07-17 07:34:49 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/cb0d1ef0-c0cd-42ea-858f-c3be98753fd5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/422138/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.68211146.21831.18824.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo jigsaw packed
Link:
https://www.filescan.io/uploads/64b4eeb02ad0f7418d69f220/reports/cacef5f2-9d2e-46ac-9ae8-a46d09501152/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/4fcd3f9e0e5e44fe8b4f1fc41ad808a421a3c59a5cedfea7afa443708badc601
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/c32ade3c-f959-4818-9504-859c7b0cfa61
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1274257
Signature
.NET source code contains potential unpacker
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for sample
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
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4fcd3f9e0e5e44fe8b4f1fc41ad808a421a3c59a5cedfea7afa443708badc601/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-07-16 18:59:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j7gt7hqolzcp5c2pd7cbvwaiuqq2hrm2ltw75j5purbxbc5nyyaq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1d0cf9a5e034371075cf0a328d98c53f4eeb74325d61ee956222346ebb1f5497
AgentTesla
2ad65e78905204a2813c619cd38632eeb99e111b5246dfb34558813ad442136e
AgentTesla
4d60f9998376b2059e5a19aa9337f44285cce66c0e6bf0535de18a87d3aaf973
AgentTesla
53e575805dc9d69c41f366e65946a7d4adf051f322f463f70e9b2f80d50450cb
AgentTesla
9f2409f84835a8c09b7799f3e2b7a336b9e4219fb86fad3fc50e9b15e3d5167a
AgentTesla
c165fbefe04f523b3045dca492b7e72bf82cfc75fceed6e63cfcd180ec6fe20e
AgentTesla
cd917c86fe27ecd3feeca690377817bce1f4034830e6d68a19dbffc8c61e97bb
AgentTesla
f206d113a2a6965ce1cadda80b137a86ae4027bb61d8ad25cf627f9123cdc930
AgentTesla
+ 5'212 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/230717-jdjskaaf85/
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
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:
d1ee54ff0cebc305fadf2bde33f5b92b33c224c9aadc9dea69a7c493c5b0eb41
MD5 hash:
c5454960ea026292dce748bdef9293c4
SHA1 hash:
af13f8b4075fe28c2cddaa9da3a772702629ab32
Link:
https://www.unpac.me/results/e9a99809-7ff5-4d82-9cdd-ae293f6da6bc/
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
Link:
https://www.unpac.me/results/e9a99809-7ff5-4d82-9cdd-ae293f6da6bc/
SH256 hash:
85b2f6779f838b610f3143f90843b8895ebbd692153cf9fd6372dcb5c41ed86d
MD5 hash:
b8032eef020e8639288bcf13174bc913
SHA1 hash:
6c9f2a2e6d41a82b80cca81eca47baeaae0edbf5
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/e9a99809-7ff5-4d82-9cdd-ae293f6da6bc/
Parent samples :
c165fbefe04f523b3045dca492b7e72bf82cfc75fceed6e63cfcd180ec6fe20e
9f2409f84835a8c09b7799f3e2b7a336b9e4219fb86fad3fc50e9b15e3d5167a
c58b1a07948fa414ec35cc8676c8d3ad26ed537330e7947f1bb1e2d44acf0026
f206d113a2a6965ce1cadda80b137a86ae4027bb61d8ad25cf627f9123cdc930
272fd88276fadd54ed35368fabc01100e3a4cb8900c4643c747f43002d1255bf
4fcd3f9e0e5e44fe8b4f1fc41ad808a421a3c59a5cedfea7afa443708badc601
6a1199521d9590a15689f05f34a81edac516fcc592dba18927b8adde0fe07cd1
d7c7c435f1a15f42c22996c857678fd5d4e9618b1ea9425900da123506d0ddd7
3e6bbe38e8e9e781e0354485ee68334d4b81ae0077a280d2b4c42fc747cec650
edb335b501c0f87e9ad72d467e1538eadaf2dcfb774b55006fd970377d873664
a2d946dbdf42ef4cb361ac3d33b2a8b93f40223df168c203a4c5c094727e795d
SH256 hash:
3e24c77fe108059f14fe61b8400c5fe023dc2b0ec7c4fe23fa9911681086f7a9
MD5 hash:
a5228b97b33467ac41fac5cac2718252
SHA1 hash:
28bb020c8a53b046fc8e8106f2913e62c5941a0d
Link:
https://www.unpac.me/results/e9a99809-7ff5-4d82-9cdd-ae293f6da6bc/
SH256 hash:
4fcd3f9e0e5e44fe8b4f1fc41ad808a421a3c59a5cedfea7afa443708badc601
MD5 hash:
e0ab1c2ae91defc4d4219bc6e39e4c1a
SHA1 hash:
16c4c25cf8cc2e314e48cae28a1eacf85a6cf1ba
Link:
https://www.unpac.me/results/e9a99809-7ff5-4d82-9cdd-ae293f6da6bc/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4fcd3f9e0e5e/report/overview.html
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:AgentTeslaV4
Create hunting rule
Author:Rony (r0ny_123)
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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

rar e2ba37e478e024c29d6049cdc87518746be699c5a7c16110183ca35b55d8a763

AgentTesla

Executable exe 4fcd3f9e0e5e44fe8b4f1fc41ad808a421a3c59a5cedfea7afa443708badc601

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 e2ba37e478e024c29d6049cdc87518746be699c5a7c16110183ca35b55d8a763
Cape
Cape
https://www.capesandbox.com/analysis/422138/
  
Dropped by
MD5 0acee6d18dab9477e0b6891d8afd1f52

Comments