MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b9bfaeb2e623f343b43548eb6f2de716a574176017eceb837b941aa316cb16e. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7b9bfaeb2e623f343b43548eb6f2de716a574176017eceb837b941aa316cb16e
SHA3-384 hash: 587f50ea5dfcc507b1ca2020d7568fb589d3cc65fb49efebb2e49a5cdedcdb8e8726a302d4338c7afa8a74c5049744ba
SHA1 hash: 9353f07241efa7f4ff71ecb6159a6116ac9cb680
MD5 hash: 9c2541709ecc81079060dcf5f50fc2f4
humanhash: queen-floor-alaska-uniform
File name:overdue account letter.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:541'184 bytes
First seen:2020-06-10 13:19:04 UTC
Last seen:2020-06-10 13:48:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:i3/rTvR6e4+xmuLM/G8T5pmA3WBRxIJb4P7wv68+6USG5Do4CKY4sf65Pp:eNUu4/PgA3W/x2E7wv68+D
Threatray 12'156 similar samples on MalwareBazaar
TLSH 4DB4BF893250B69FC42BDD7289A81C24AB6078B78727D343A45712ED9E0E7D7CF106E3
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.InjectNET.14.13828.22734.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-06-10 06:47:47 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pon7v2zomi7tio2dkshln4w6ofvfoqlwaf7m5obxxfa2umlmwfxa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
24be3b1c3a8a56f3028bb533082f4e8e93f1405b7066e4facde544c22010afa5
AgentTesla
3f33e7bde9dcaafa436e0cb2e267371768115ea14de2a9860cefa74af71e9155
AgentTesla
4825b8a8ead48a62ae66a5ae53259dc01dc96d2456497802bd7e942ac390b79d
AgentTesla
64264df837360c369765793af002c3576660a16f686473b5d3d97733c10a8ecb
AgentTesla
6ae9b8c271b5110c7cceb8b7d39522dd8d444dddcfa3691726ff3580562a73b7
AgentTesla
6f4d9739f62d219787f6de178ab8f5fb29f317cac258c567d8d51cddea7aa4ac
AgentTesla
c30238e31d4321ab8b4169269e6e635e59b6700d40e712c5fc85a0a1554dfd2a
AgentTesla
c87d0af1b7d984327de7a8e4a46c3d8b2cbfe2c6e74d3c31e158b7d92e42226e
AgentTesla
f99ca3b27556f13c8fb5f1fb6ac5f6149eb3f0e7c9023ad59ec95a14f81e6c7b
AgentTesla
fe68726b96a9e7b3ac69958244d7e3d978b76f6844884fcd35515429dfa0f605
AgentTesla
+ 12'146 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-wsw3ktsjse/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Disables Task Manager via registry modification
Drops file in Drivers directory
AgentTesla Payload
ServiceHost packer
rezer0
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
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

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

Malspam

AgentTesla

rar 0efabd010a8437445a3c96e2dca344892c098a30004a8c09c6be479fc4c95fa6

AgentTesla

Executable exe 7b9bfaeb2e623f343b43548eb6f2de716a574176017eceb837b941aa316cb16e

(this sample)

  
Dropped by
MD5 26ace2d776e888d6ba838ba12f29dba3
  
Dropped by
SHA256 0efabd010a8437445a3c96e2dca344892c098a30004a8c09c6be479fc4c95fa6
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments