MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a691a7a65bbdc772d6d66873826365500c877f753acd9f4237740607f50dc75. 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: 4a691a7a65bbdc772d6d66873826365500c877f753acd9f4237740607f50dc75
SHA3-384 hash: eef68bd587ac3bd786e5a6e62635d0657e195e15813ccfc738702b296421d8e5e2d086cf53bc8260a85163061cbddcf2
SHA1 hash: b30526e1a551d9c3bcf1e3172954aecf97e9bad7
MD5 hash: 1b36927a6cd05aa994d02ba5b53e7156
humanhash: early-tennis-nevada-west
File name:RFQ_V40795.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:475'136 bytes
First seen:2020-06-09 04:55:36 UTC
Last seen:2020-06-09 06:08:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:HceLayjMenV28K068dzeBli6o2YT0qB2EDcm1AJqATp2YZQ+Hl0twCeqN+r2EeLo:HcYjMn0R7B24/Qp2YZdFLC7VF6
Threatray 10'705 similar samples on MalwareBazaar
TLSH B5A4F0127754E323C5BE96B8D19A013C43E9D9832F72CB1A2D9766D61B53BA03F03E46
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
2
# of downloads :
68
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.gc.31036.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2020-06-09 02:10:00 UTC
AV detection:
26 of 31 (83.87%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jjuru6tfxpohollnm2dtqjrwkuamq57xkownt5bdo5aga72q3r2q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0386ca207e4e3915f24fe4974d8a43abee3425f01ab452be6875b9ddadab75f5
AgentTesla
0c4942ff060e84665ef712e3bee8c289f4087bfa9aa484affa3d94fcc791f23c
AgentTesla
57743bf273dcc41189e2858a1c94ad6e6c95de3784faa4e51bdfbc86900d5ac9
AgentTesla
6d88a783f9115bb719123cf5d5f2f40e7c1d3073f7561df274ce72db49f35c30
AgentTesla
807e3c200180d030be9397008d2c471a6de0fc34630240237e9f22f842218bad
AgentTesla
9f0ebb187320a8284a54b86ca9f5d9414fca1d883c852ec26575ae2f0565e3e7
AgentTesla
c94d93a84628439ddf5026162868a48299de89e949199cdf2d60b114c13bd05f
AgentTesla
d019817ea685d2263a332bd4dd3b95ea750ce42f0834ea7c6464c2b7328b8ed8
AgentTesla
e0f473f6243a1e4b96e37a3cb8a9ce877a8bbab08c60de3110c24ce0a4963ba0
AgentTesla
eeada9192392de50643e7d3c86f5b9c4d1be0efd01f29c4c6a75c2c013b33657
AgentTesla
+ 10'695 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-2thymbnlpn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
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
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 a25f1b5af2bac5dd2c5d6453e4a1d8d50b6f5c9fb4b6baeb90bb35f2f275c4c6

AgentTesla

Executable exe 4a691a7a65bbdc772d6d66873826365500c877f753acd9f4237740607f50dc75

(this sample)

  
Dropped by
MD5 a15cf5a98b3ac81eaa1990d05e1b5943
  
Dropped by
SHA256 a25f1b5af2bac5dd2c5d6453e4a1d8d50b6f5c9fb4b6baeb90bb35f2f275c4c6
  
Delivery method
Distributed via e-mail attachment

Comments