MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1abc7954f4d2e856726fbe002ee58658d07ed18ad32671e852780bd7b4c2f0e4. 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: 5

Intelligence 5 IOCs YARA 2 File information Comments

SHA256 hash:	1abc7954f4d2e856726fbe002ee58658d07ed18ad32671e852780bd7b4c2f0e4
SHA3-384 hash:	2834fb6d963f393a2526e58cddf5f2973a07e1d29524f7c2beb5d39a60b362d7dfdc5d8764fd25dd77201e558874fdb4
SHA1 hash:	169af21b4d1bd1fcb09a45f003cfb2d54d211c93
MD5 hash:	405e60b7febf0d2f830af4abc99d6e69
humanhash:	beer-queen-network-mountain
File name:	box_akt_kaisar.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	689'104 bytes
First seen:	2020-05-06 10:40:43 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:SrJl8JHX+nOnzd5kBErOojt/lu7GGy4Jt:7+nOGkO+/lcGGzt
Threatray	10'791 similar samples on MalwareBazaar
TLSH	1CE48C26BAC04054DC2D5BB1207D8E51762F7ED9B575B60F2A9EB3247BF3193272A00E
Reporter	abuse_ch
Tags:	AgentTesla exe MailChannels

Code Signing Certificate

Organisation:	UTN-USERFirst-Object
Issuer:	AddTrust External CA Root
Algorithm:	sha1WithRSAEncryption
Valid from:	Jun 7 08:09:10 2005 GMT
Valid to:	May 30 10:48:38 2020 GMT
Serial number:	421AF2940984191F520A4BC62426A74B
Intelligence:	307 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:	SHA256
Thumbprint:	2CF1EC6AB594113BD538DF6D5C940E3319B424F8756D975888072C6AB558B771
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

abuse_ch

Malspam distributing AgentTesla:

HELO: relay.mailchannels.net
Sending IP: 54.214.232.113
From: Mauritius Kaiser <xpoixyz@xpoi.xyz>
Subject: WG: RFQ box
Attachment: box_akt_kaisar.zip (contains "box_akt_kaisar.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Gathering data

Threat name:

ByteCode-MSIL.Trojan.Agensla

Status:

Malicious

First seen:

2020-05-06 04:40:08 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

23 of 31 (74.19%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=dk6hsvhu2lufm4tpxyac5zmgldih5umk2mthd2cspaf5pngc6dsa._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

3a12bbf575c39807f8e7d57518b2819a0e9a9fbaa5fa6354e070d7d27ed3363e

AgentTesla

6115c150172e6c50f31feb952cc4bfa452682eb0993388eab3d22d4162f2c09a

AgentTesla

697af16c3b211a14da5b3338a6baf24aef15af24979b0a13bb5e5be14876574a

AgentTesla

740f321b566adb081eeca40540aa2212d19b91f20e172abc6898052aaca3976b

AgentTesla

82052d2d1596128ae63d047a1e239b44961a763bf3ecb0ce831483db2199bb57

AgentTesla

9db03df30746e08a092e729d678f269d921e9e143d7a31563a012d561caa860a

AgentTesla

aa7cbad5d711df0a42427a21a10ada63d73b52b65134bc746ad5afa12cd3927b

AgentTesla

b2b4450a3fae36316308fe4f3e5ba63eaebe2a43e4b4c0df144dc5713bc55e9d

AgentTesla

fef351d237d3cd331330624de2476bc9cf4aea538177800ac16521d0e9da3baf

AgentTesla

+ 10'781 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla agilenet keylogger spyware stealer trojan

Link:

https://tria.ge/reports/201109-gvp3yx4nm6/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Obfuscated with Agile.Net obfuscator

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

AgentTesla Payload

AgentTesla

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:	Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

Rule name:	CAP_HookExKeylogger Create hunting rule
Author:	Brian C. Bell -- @biebsmalwareguy
Reference:	https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar