MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cab365bef3c1921637ebf8e2929ed130e58009b5c739548954f23a1eab3de1a2. 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 20 File information Comments

SHA256 hash:	cab365bef3c1921637ebf8e2929ed130e58009b5c739548954f23a1eab3de1a2
SHA3-384 hash:	66bb804048eafceda3e8fb81289f355f22a419f6bf5a400f36c5761ca6756f108995083a084ad3c347640405473b78bc
SHA1 hash:	93ace8649061de173cbf3f5d11f1b8f677effb4a
MD5 hash:	3737a513fada36710116cebde38ef4bf
humanhash:	berlin-comet-wyoming-grey
File name:	order CM-PO23020618.PDF.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	696'840 bytes
First seen:	2024-04-30 07:17:08 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	12288:dSueWFm+SgdX5n8UcEemFMh0cOMR4eXbMxJ5Mqba/PXqgOIGZ1OKhOkR:LRFm+SK58biFMh0cXR4hXa/PXDOIGZ1Z
Threatray	999 similar samples on MalwareBazaar
TLSH	T1E8E4231523686B13C9384FBA02E8933B67F333915491DFD15CC960EF2DA6790AB5272B
TrID	63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.2% (.SCR) Windows screen saver (13097/50/3) 9.0% (.EXE) Win64 Executable (generic) (10523/12/4) 5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):
dhash icon	8296e6e2b8989684 (8 x AgentTesla, 3 x Formbook, 2 x PureLogsStealer)
Reporter	threatcat_ch
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

373

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

cab365bef3c1921637ebf8e2929ed130e58009b5c739548954f23a1eab3de1a2.exe

Verdict:

Malicious activity

Analysis date:

2024-04-30 07:17:57 UTC

Tags:

stealer agenttesla exfiltration

Link:

https://app.any.run/tasks/165d4fae-973d-4bb4-9215-8f28d3e9d37d

Note:

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

Detection(s):

Porcupine.Malware.58887.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Creating a process with a hidden window

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

Adding an access-denied ACE

Creating a file in the %temp% directory

Launching a process

Creating a file

Using the Windows Management Instrumentation requests

Creating a file in the %AppData% subdirectories

Reading critical registry keys

DNS request

Connection attempt

Sending a custom TCP request

Forced shutdown of a system process

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Stealing user critical data

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

masquerade overlay packed

Link:

https://www.filescan.io/uploads/66309b32c5dabc22b20cdd3a/reports/b29d34c2-bae0-4237-8602-3296d44220b6/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/cab365bef3c1921637ebf8e2929ed130e58009b5c739548954f23a1eab3de1a2

Malware family:

Agent Tesla

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/6b4885fe-581e-4b0a-871d-5f58e954784f

Result

Threat name:

AgentTesla, PureLog Stealer

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1433900

Signature

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

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Adds a directory exclusion to Windows Defender

Allocates memory in foreign processes

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Hides that the sample has been downloaded from the Internet (zone.identifier)

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Loading BitLocker PowerShell Module

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)

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

Sigma detected: Scheduled temp file as task from temp location

Sigma detected: Suspicious Double Extension File Execution

Snort IDS alert for network traffic

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)

Uses an obfuscated file name to hide its real file extension (double extension)

Uses schtasks.exe or at.exe to add and modify task schedules

Writes to foreign memory regions

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected Generic Downloader

Yara detected PureLog Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/cab365bef3c1921637ebf8e2929ed130e58009b5c739548954f23a1eab3de1a2

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/cab365bef3c1921637ebf8e2929ed130e58009b5c739548954f23a1eab3de1a2/

Threat name:

ByteCode-MSIL.Trojan.PureLogStealer

Status:

Malicious

First seen:

2024-04-30 03:09:28 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

21 of 38 (55.26%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=zkzwlpxtygjbmn7l7drjfhwrgdsyacnvy44vjcku6i5b5kz54gra._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

5d2b78785f719fda04cda095b4dfb75d00440fc39ab6e52d176a74786541bdaf

AgentTesla

c79fe9575611a361113d1bbc4929fd078461c6a935166a1f39ebfcac7009bf53

AgentTesla

cab365bef3c1921637ebf8e2929ed130e58009b5c739548954f23a1eab3de1a2

AgentTesla

+ 989 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/240430-h4x77sfc39/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Adds Run key to start application

Checks computer location settings

AgentTesla

Unpacked files

SH256 hash:

9e7f2840f177fc2bd5859256cf66c1ff6582950cbb59fa8bdb9c42eba75f4d96

MD5 hash:

a51d574cd289c2047172da1dd637de03

SHA1 hash:

b1be6dba3e1f33e05a5e6dd1f09e6df7a3885ec1

Detections:

AgentTesla

win_agent_tesla_g2

INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Agenttesla_type2

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Link:

https://www.unpac.me/results/d03def4b-8479-4922-9394-333d55cae2e5/

Parent samples :

cab365bef3c1921637ebf8e2929ed130e58009b5c739548954f23a1eab3de1a2
0eebf72cc9f4ef61a8f3156e1c01ba3925678f75522e494abcde74c3eadc9e85
dab08316237689567503235b86da2d588db8bb578efad464a92244ed4845e68d
d805fa30c5a21577d313cdd875417e3a3cb4a95e67f71ddeeff0231808f0223b
09a3694a94074c3c3c29f6a7c03b74a8f87b79635958b820bcaed112afe0cea9
d3ee113c39ec074e30b6248bc6362ee4c742214e075538b708384e01bf1e2d97
fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0
63219f4d5975bf956a1c5c8b98011f721cfb1e2b4894c6ec9f5a94d77e2652e8
39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b
c5f86f85e52efd5177495ad2d53703196ce09c3503a540c99d50c1ae968b0a8f
7fc26cd7c47a6df2161ff027d6ae130d68330e7db4ef0f5f0a27edbcc7802762
da9541943d92927db01c0fed64c86ea72c144306e3f1ef7794a4705261a67f69
43680608a81e3c70808c20c9ccd1e028a35888347fef8e661c4fc4bc77dd033c
a8f2236113b02ad70869ff572265549d509530a6206b8afeb9dc11f458599c09
bf252b8ef4fb77ea9b7a7369d779f7bcb5160bb2af7d40859978b78d873400b4
11c37fead8b02d4646499109187b632dc2ec2f49d842e7aabb3bb93d7ce3d538
5223dbf673bce63ab81bbdfecc931ddd6d9a8d3c138e269e479e56167eed1c50
fec7c785b5cab74579e38a8b33a3fdfa91ea44356f31c29b793680f7740f663e
9e7f2840f177fc2bd5859256cf66c1ff6582950cbb59fa8bdb9c42eba75f4d96
3529d112d7187b8dbb5a73b031c1cf1c7341a49d84290d98065be1786874b76a
ed48c621c71ba4656924a10d327ea39fd70f6435813b2811465ac1ae2b77ce61
ca9f996e829c1e7ad89c66f78bde33741d46a0b7ed03c8892f263937b0e6b400
5620e82c34754f8c0a8ee61597fd43b037e810f2dc2be1b2968dfbfee279bd26
b9fecad5e2608354188022661b5e468b713da87adaaeda9d574fd3526c39cde3

SH256 hash:

4909093c1045073940daf73778f88ce3e5d4dcbc0d69e3498ad4672c2e699013

MD5 hash:

28b43a10958caef0465f7b93be0a0d77

SHA1 hash:

9c85c1cb7f6face0a6c8d0a2d2314a99092d6554

Link:

https://www.unpac.me/results/d03def4b-8479-4922-9394-333d55cae2e5/

SH256 hash:

9007b8aa0c10dcf133982da7669abd1beb81ce32d5ac11858d725f907c88a573

MD5 hash:

df3c43d8eaafea4e958edb826ad313ba

SHA1 hash:

58069b4105fd9ec2b957930ab7ba051a12f2aaa6

Link:

https://www.unpac.me/results/d03def4b-8479-4922-9394-333d55cae2e5/

SH256 hash:

0bfb0358d9cd73716bbdd5e02dc6d9ad4ff7ce928bb149834844b4e8eb8ce74b

MD5 hash:

4b113a772f878eb4bcf3e345fbef0d6c

SHA1 hash:

21df75ac80bb07e3ee7c8d93ed756c6059a50448

Link:

https://www.unpac.me/results/d03def4b-8479-4922-9394-333d55cae2e5/

SH256 hash:

cab365bef3c1921637ebf8e2929ed130e58009b5c739548954f23a1eab3de1a2

MD5 hash:

3737a513fada36710116cebde38ef4bf

SHA1 hash:

93ace8649061de173cbf3f5d11f1b8f677effb4a

Detections:

INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438

Link:

https://www.unpac.me/results/d03def4b-8479-4922-9394-333d55cae2e5/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/cab365bef3c1/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/cab365bef3c1921637ebf8e2929ed130e58009b5c739548954f23a1eab3de1a2

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:	AgentTeslaV3 Create hunting rule
Author:	ditekshen
Description:	AgentTeslaV3 infostealer payload

Rule name:	AgentTeslaV5 Create hunting rule
Author:	ClaudioWayne
Description:	AgentTeslaV5 infostealer payload

Rule name:	INDICATOR_EXE_Packed_GEN01 Create hunting rule
Author:	ditekSHen
Description:	Detect packed .NET executables. Mostly AgentTeslaV4.

Rule name:	INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438 Create hunting rule
Author:	ditekSHen
Description:	Detects executables signed with stolen, revoked or invalid certificates

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many email and collaboration clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many file transfer clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing Windows vault credential objects. Observed in infostealers

Rule name:	malware_Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

Rule name:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (http://www.lukeacha.com)
Description:	Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	pe_imphash Create hunting rule

Rule name:	PE_Potentially_Signed_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	Windows_Generic_Threat_9f4a80b2 Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_AgentTesla_ebf431a8 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

exe cab365bef3c1921637ebf8e2929ed130e58009b5c739548954f23a1eab3de1a2

(this sample)

Delivery method

Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample