MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b954ae1f5c52de5155a9e1e54d5ab96a940dc715d2624ff48c1839dc6ba1b53f. 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: 16

Intelligence 16 IOCs YARA 5 File information Comments

SHA256 hash:	b954ae1f5c52de5155a9e1e54d5ab96a940dc715d2624ff48c1839dc6ba1b53f
SHA3-384 hash:	d715f3f29df36c3ee6cb96a48cd727003717d2d7d9e532b7f6e10b676dd120ae35b4e453850781eaa708abecb375717b
SHA1 hash:	1890c48bd1d7a580422a8ddc8b63eb528f5949e9
MD5 hash:	f5d965fa4068c325dd170be481c472f5
humanhash:	texas-eighteen-equal-delaware
File name:	f5d965fa4068c325dd170be481c472f5.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	782'848 bytes
First seen:	2023-06-13 10:21:57 UTC
Last seen:	2023-06-13 10:45:14 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep	12288:1x3fW/uspnQATtxZ5QHfRANT5ZBOFb8CvHMF7GXKs:HW/NxptkfR2ZBoi7GX
Threatray	3'658 similar samples on MalwareBazaar
TLSH	T125F441BD298076ABDBB5DD6281D2084BF23B632772535DA822D213C2872151F37ED94F
TrID	60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.8% (.SCR) Windows screen saver (13097/50/3) 8.7% (.EXE) Win64 Executable (generic) (10523/12/4) 5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter	abuse_ch
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

295

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Shipping documents.xls

Verdict:

Malicious activity

Analysis date:

2023-06-13 08:40:12 UTC

Tags:

exploit cve-2017-11882 loader

Link:

https://app.any.run/tasks/37c5b4db-f026-48f0-91a3-c8eef64f6871

Note:

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

Detection:

XorStringsNET

Link:

https://www.capesandbox.com/analysis/398232/

Detection(s):

SecuriteInfo.com.Trojan.Olock.1.21409.20146.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Launching a process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

lolbin packed

Link:

https://www.filescan.io/uploads/6488435208b287b7595b6a0a/reports/6f97c9cd-9315-406e-8f33-2fabb610acdf/overview

Verdict:

Malicious

Labled as:

Trojan.Olock.Generic

Link:

https://www.hybrid-analysis.com/sample/b954ae1f5c52de5155a9e1e54d5ab96a940dc715d2624ff48c1839dc6ba1b53f

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.

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/1c0316c3-4b2d-4dbe-907b-9da123ace401

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1253515

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code contains very large strings

Antivirus / Scanner detection for submitted sample

Found malware configuration

Injects a PE file into a foreign processes

Machine Learning detection for sample

May check the online IP address of the machine

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

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)

Writes to foreign memory regions

Yara detected AgentTesla

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/b954ae1f5c52de5155a9e1e54d5ab96a940dc715d2624ff48c1839dc6ba1b53f/

Threat name:

ByteCode-MSIL.Trojan.Bsymem

Status:

Malicious

First seen:

2023-06-13 10:22:09 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

17 of 24 (70.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=xfkk4h24klpfcvnj4hsu2wvznkka3ryv2jre75emda45y25bwu7q._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

3c15327363831cc1f832ff3fc3156339c546dc72ace1342502b5826416adcd28

AgentTesla

42ab2450f0d6513cd866d8a5bf33d728569ca37d8428ea4bec47f560bdfc2992

AgentTesla

7e781f414da0e2f65ca8c1a8a103a9b88d2d8e4d6c53998642f271e40b29ff68

AgentTesla

8dd7c62102a24ddff6447492b5981e7284ab841454e3f906bb0303eb4ec99c93

AgentTesla

9e7910da0fdefe5822be59e1084d1dffe2f4bcbd670d2bab6da75718653c69c0

AgentTesla

a75cc6c61c37543596e278999caa8d38a27025d599f050bcb7846f15e291c0ba

AgentTesla

fbc745c53390b016e0f8520fa691f4341559b57467515ea230ef7127232bce87

AgentTesla

+ 3'648 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla collection keylogger spyware stealer trojan

Link:

https://tria.ge/reports/230613-md8y8sgc7t/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

outlook_win_path

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

AgentTesla

Unpacked files

SH256 hash:

7e0d68a837d1bcb6508d7aa65ee51f79d31f1c4e46bdc6eee71531ee95c3438c

MD5 hash:

e5d1427e84c6f2c47b2c941a4187e923

SHA1 hash:

d93e3f1be9d34bcc4956f6acbefe6ce5cc325b21

Link:

https://www.unpac.me/results/c338e0e8-a5fe-4a84-a0bd-8d71812e9672/

SH256 hash:

a7e471f7bc560488312d57e885bb4cfc423587a0d84abbb3073a820f7cd0e209

MD5 hash:

e7709a907be0cdb6ff7eb99daee97c6c

SHA1 hash:

bb3f6871c40f54070b53947bf6958d410ea8bac1

Link:

https://www.unpac.me/results/c338e0e8-a5fe-4a84-a0bd-8d71812e9672/

SH256 hash:

42ab2450f0d6513cd866d8a5bf33d728569ca37d8428ea4bec47f560bdfc2992

MD5 hash:

05688260cd0f68779347d8e274db2597

SHA1 hash:

a9ebfa0a2da1fb6a81a68c358727df84e0f047c3

Detections:

AgentTeslaXorStringsNet

Link:

https://www.unpac.me/results/c338e0e8-a5fe-4a84-a0bd-8d71812e9672/

Parent samples :
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SH256 hash:

b954ae1f5c52de5155a9e1e54d5ab96a940dc715d2624ff48c1839dc6ba1b53f

MD5 hash:

f5d965fa4068c325dd170be481c472f5

SHA1 hash:

1890c48bd1d7a580422a8ddc8b63eb528f5949e9

Link:

https://www.unpac.me/results/c338e0e8-a5fe-4a84-a0bd-8d71812e9672/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/b954ae1f5c52/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/b954ae1f5c52de5155a9e1e54d5ab96a940dc715d2624ff48c1839dc6ba1b53f

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:	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.

Web download

AgentTesla

exe b954ae1f5c52de5155a9e1e54d5ab96a940dc715d2624ff48c1839dc6ba1b53f

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/2658992/

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/398232/

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