MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b017455b50865cfdd26486b8c6d8348294ee6fba27ea97eb2d94e6a56b7397b5. 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: 19

Intelligence 19 IOCs YARA 6 File information Comments

SHA256 hash:	b017455b50865cfdd26486b8c6d8348294ee6fba27ea97eb2d94e6a56b7397b5
SHA3-384 hash:	e34942303e918d132230d7668e81eb2167ba92020e151acc0ebdd663c217a6b90bd5aa670cec27347e3b9ce9d0967f8d
SHA1 hash:	22c825fcdc8c78a5f4339ae98754a423ba67a2a1
MD5 hash:	758f5c1f99738cc2a59a385ce63e9a21
humanhash:	solar-cardinal-california-saturn
File name:	Remittance slip.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	381'694 bytes
First seen:	2023-07-06 13:40:20 UTC
Last seen:	2023-07-07 08:15:03 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep	6144:/Ya65Gb4fu5qu5/9vkkq4Bd1QO8E2qtDAQMynxwAC+wNkm3iiI9kcZXUgApaYIno:/YDGbgu5qu5/9UWUO8EfkQBxK+weiWRw
Threatray	4'831 similar samples on MalwareBazaar
TLSH	T16584233427D2E02BEBD65B721C721595A9F8E82769B08F0B67803BCCB6631C2540F776
TrID	47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):
dhash icon	b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter	James_inthe_box
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

273

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

Remittance slip.exe

Verdict:

Malicious activity

Analysis date:

2023-07-06 13:45:40 UTC

Tags:

agenttesla

Link:

https://app.any.run/tasks/77c46a3f-7abd-48c4-ab2e-7caae4fb2a7a

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

AgentTesla

Link:

https://www.capesandbox.com/analysis/409546/

Detection(s):

SecuriteInfo.com.Gen.Variant.Nemesis.22782.32220.30460.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a file in the %temp% directory

Creating a window

Creating a file

Unauthorized injection to a recently created process

Restart of the analyzed sample

Using the Windows Management Instrumentation requests

Reading critical registry keys

DNS request

Sending a custom TCP request

Stealing user critical data

Result

Malware family:

n/a

Score:

5/10

Tags:

n/a

Link:

https://dragonfly.certego.net/analysis/96017/overview

Behaviour

MalwareBazaar

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

control lolbin overlay packed shell32

Link:

https://www.filescan.io/uploads/64a6c46e784d6094d919e601/reports/b0f3ec5e-4a79-4d84-8f78-5370f83a0008/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/b017455b50865cfdd26486b8c6d8348294ee6fba27ea97eb2d94e6a56b7397b5

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:

Formbook

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/a6041c85-eaf3-4e24-864f-2283a1fae40f

Result

Threat name:

AgentTesla, NSISDropper

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1268346

Signature

Detected unpacking (changes PE section rights)

Detected unpacking (creates a PE file in dynamic memory)

Detected unpacking (overwrites its own PE header)

Found malware configuration

Machine Learning detection for sample

Maps a DLL or memory area into another process

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

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

Yara detected NSISDropper

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/b017455b50865cfdd26486b8c6d8348294ee6fba27ea97eb2d94e6a56b7397b5/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2023-07-06 02:56:20 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=walukw2qqzop3uteq24mnwbuqkko4352e7vjp2znsttkk23ts62q._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

0b27deefbf362687701891f8fcbacf4122ce0a6e4972bc7b68cc8f3e7034b1eb

AgentTesla

269eb2984329ea60c2c535da059d969281c23a75acab61503e10dfc00e1381b3

AgentTesla

2f64531d71dd54c1e57e33a70a8b019bfb7997a2552f1b4ec63ce80bc6b07fff

AgentTesla

6b619b232303f23c72b6d09fb9ec7fb0ca8026c75b549522dba9561178d9c9fe

AgentTesla

7581026b5d2f0521ed0e40ef5ad28dec7c9b3e2b113cceea5eb63483af1463d6

AgentTesla

aa4d7c8a7bd3a5690b8b2dc1ed9fc3bfd40981671b3642625fa3c7589bf459ac

AgentTesla

+ 4'821 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla collection keylogger spyware stealer trojan

Link:

https://tria.ge/reports/230706-qy359sbg55/

Behaviour

Suspicious behavior: MapViewOfSection

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

Loads dropped DLL

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:

8770b0b31cd307d17b7ca9370570b5a3236bccb25d4ead6693ffde96bb277d5c

MD5 hash:

52cda9e82a8841d41edb7e9dc78a5a1d

SHA1 hash:

c5682a3191038c165fedd980a284f2cc231d0baf

Link:

https://www.unpac.me/results/db0ca543-691f-40dd-b733-9e5d5831728c/

SH256 hash:

94d341df30a3c6ce139f083130367e95fe8013493eb24492d45112229a10bb0d

MD5 hash:

679b96b9c6239afa9e77857541699ee5

SHA1 hash:

9460f7df2b036ab6be7eca0fb7b22aeeb76c033c

Detections:

AgentTeslaXorStringsNet

Link:

https://www.unpac.me/results/db0ca543-691f-40dd-b733-9e5d5831728c/

Parent samples :

720be830d608d17de8f83bde1fd7a90db5bd75ebad8fbe10d60ea4bd1fa9f760
1e78015efee2b6e94749afd35ae539a88520ff959e06ca20683c6d0d7218b4c2
22c4b05bcf26647a2464500666ec31c235599a73765d4cd3452721eb2cf2b020
0b4d7a81cb8f89e34562cd756540d3dd62176c0fa829d7dba9db2c727b92aef0
b017455b50865cfdd26486b8c6d8348294ee6fba27ea97eb2d94e6a56b7397b5
edc2598baa07918d489c7642acc5d1051506ca818323627769d3b4d6f218eacb

SH256 hash:

c327f61755ca21c71aaa0745b3b1ea71f4f90f95709e64786c9c71dbc2f108d6

MD5 hash:

71790b245a749637663468615cb6e1aa

SHA1 hash:

17141a074a308dc49d06ef02eb6f5e111125108a

Link:

https://www.unpac.me/results/db0ca543-691f-40dd-b733-9e5d5831728c/

SH256 hash:

8770b0b31cd307d17b7ca9370570b5a3236bccb25d4ead6693ffde96bb277d5c

MD5 hash:

52cda9e82a8841d41edb7e9dc78a5a1d

SHA1 hash:

c5682a3191038c165fedd980a284f2cc231d0baf

Link:

https://www.unpac.me/results/db0ca543-691f-40dd-b733-9e5d5831728c/

SH256 hash:

94d341df30a3c6ce139f083130367e95fe8013493eb24492d45112229a10bb0d

MD5 hash:

679b96b9c6239afa9e77857541699ee5

SHA1 hash:

9460f7df2b036ab6be7eca0fb7b22aeeb76c033c

Detections:

AgentTeslaXorStringsNet

Link:

https://www.unpac.me/results/db0ca543-691f-40dd-b733-9e5d5831728c/

Parent samples :

SH256 hash:

c327f61755ca21c71aaa0745b3b1ea71f4f90f95709e64786c9c71dbc2f108d6

MD5 hash:

71790b245a749637663468615cb6e1aa

SHA1 hash:

17141a074a308dc49d06ef02eb6f5e111125108a

Link:

https://www.unpac.me/results/db0ca543-691f-40dd-b733-9e5d5831728c/

SH256 hash:

8770b0b31cd307d17b7ca9370570b5a3236bccb25d4ead6693ffde96bb277d5c

MD5 hash:

52cda9e82a8841d41edb7e9dc78a5a1d

SHA1 hash:

c5682a3191038c165fedd980a284f2cc231d0baf

Link:

https://www.unpac.me/results/db0ca543-691f-40dd-b733-9e5d5831728c/

SH256 hash:

94d341df30a3c6ce139f083130367e95fe8013493eb24492d45112229a10bb0d

MD5 hash:

679b96b9c6239afa9e77857541699ee5

SHA1 hash:

9460f7df2b036ab6be7eca0fb7b22aeeb76c033c

Detections:

AgentTeslaXorStringsNet

Link:

https://www.unpac.me/results/db0ca543-691f-40dd-b733-9e5d5831728c/

Parent samples :

SH256 hash:

c327f61755ca21c71aaa0745b3b1ea71f4f90f95709e64786c9c71dbc2f108d6

MD5 hash:

71790b245a749637663468615cb6e1aa

SHA1 hash:

17141a074a308dc49d06ef02eb6f5e111125108a

Link:

https://www.unpac.me/results/db0ca543-691f-40dd-b733-9e5d5831728c/

SH256 hash:

b017455b50865cfdd26486b8c6d8348294ee6fba27ea97eb2d94e6a56b7397b5

MD5 hash:

758f5c1f99738cc2a59a385ce63e9a21

SHA1 hash:

22c825fcdc8c78a5f4339ae98754a423ba67a2a1

Link:

https://www.unpac.me/results/db0ca543-691f-40dd-b733-9e5d5831728c/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/b017455b5086/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/b017455b50865cfdd26486b8c6d8348294ee6fba27ea97eb2d94e6a56b7397b5

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:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

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:	shellcode Create hunting rule
Author:	nex
Description:	Matched shellcode byte patterns

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

zip 9ef4fb346df21fda9fb88c2fb840318a5d1d62557da646b9a5b851344225225c

AgentTesla

exe b017455b50865cfdd26486b8c6d8348294ee6fba27ea97eb2d94e6a56b7397b5

(this sample)

Delivery method

Other

Cape

https://www.capesandbox.com/analysis/409546/

Dropped by

SHA256 9ef4fb346df21fda9fb88c2fb840318a5d1d62557da646b9a5b851344225225c

Dropped by

MD5 cefc7e99163dc3eb616d01ecad42a66c

Comments

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