MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c21f3cb0f257ada494dc6fb56050d83030672ea384f76be1a4238d0f637489f5. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c21f3cb0f257ada494dc6fb56050d83030672ea384f76be1a4238d0f637489f5
SHA3-384 hash: b983a9c4b3757a66fd97b7046b3067cc2f6375bf7900314bef21e70660c427c331e3104097eb250663c049edcebb7830
SHA1 hash: 929430418be20dce9dddd00bf3678ca5c40f0ca8
MD5 hash: 41c4c654a845e055159f731610476689
humanhash: yellow-florida-cat-jupiter
File name:TEP-RFQ-E-006_DC and UPS System_rA_200716_scanned from a xerox multifunctional device002.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:592'384 bytes
First seen:2020-07-22 08:44:39 UTC
Last seen:Never
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:pZF/MVyuPUm2iNSbQQJjT6iJct0qCAhfIjJRlUSebcF2scBc8S:pXucm1mQQZ7JcfcjTuSToswc
Threatray 10'682 similar samples on MalwareBazaar
TLSH C1C49D69E3B406EBDB960BF9E0A30500677E6EDA63D6D3091B51FAA82D337404713E17
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server.radheshyamengines.partners
Sending IP: 162.241.204.242
From: JUNWOO LEE (Hyundai Engineering Company) <angalos@hec-kr.com>
Subject: [TongYeong CCPP] DC and UPS System / RFQ Issuance / Cut-off date : 2020-07-29
Attachment: TEP-RFQ-E-006_DC and UPS System_rA_200716_scanned from a xerox multifunctional device002.img (contains "TEP-RFQ-E-006_DC and UPS System_rA_200716_scanned from a xerox multifunctional device002.exe")

AgentTesla SMTP exfil server:
smtp.masterindo.net:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/30960/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with Startup directory
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/394753
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c21f3cb0f257ada494dc6fb56050d83030672ea384f76be1a4238d0f637489f5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-22 08:46:08 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yiptzmhsk6w2jfg4n62waugygaygolvdqt3wxyneeogq6y3urh2q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2a2a628e23fa234e422aa5edcb6718f54e5caa2822ee10950a30619d9e9b0534
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2ed8cd44621cc06fa9a00f11b5217fe58839a8ec6bfee8d42f78f61263652da5
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476d02f7c777bb08d97cf87c305e3cb4f41501c1b15ddd88e55f31bff0767b0a
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49aaf4ae6bf7f60a07c4ffc43ca0be27fce694446436dd07aac5db362142c2c8
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75fc0beb16fbe8af2f46d2cfcb7176af4289430516d74017d1a32cd0c37859c0
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9256cc7129421443ba770b55f01042e58fa5af856df1db31e830f147213c2a1c
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afd354c93f9c9ad2324dd4ecd1e58041f373f1b3360ef8ce2792e437bd104a8d
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d5dd3977cdc2602a68093c08e166b1508253ef0934f986d00be980e47b7c50f9
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dec608206e941da5042333c8e35fe01bb17e50cc67ec58b03e872694cb5e219b
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f8a0ada1c983c16a3ff6b107c2a04cac970e51ba9bec2514771271af03b7b9fc
AgentTesla
+ 10'672 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200722-2df8elpm4s/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Program crash
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c21f3cb0f257ada494dc6fb56050d83030672ea384f76be1a4238d0f637489f5

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

img ce9dd6279a09745ef85d3d08842a274be161662e92cfa44069d02a65e25031c0

AgentTesla

Executable exe c21f3cb0f257ada494dc6fb56050d83030672ea384f76be1a4238d0f637489f5

(this sample)

  
Dropped by
MD5 121fefae7c52ff694d6056a7078cf988
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/30960/
  
Dropped by
SHA256 ce9dd6279a09745ef85d3d08842a274be161662e92cfa44069d02a65e25031c0

Comments