MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcc8c0f61a1dfdfd76ebe02523c3eef4362cb7fb3413b24a7632a2262219a589. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bcc8c0f61a1dfdfd76ebe02523c3eef4362cb7fb3413b24a7632a2262219a589
SHA3-384 hash: b6364001265f6c58835b22f5019225352311fec220ae907e86d6b0a475ffce517f1c5ae52b0b58d60279bf7a2ddbba66
SHA1 hash: aa1ef1ee348186489d9b6fc825d02aea5bc2abe8
MD5 hash: 97058b5b713fce6d98933758debac2bd
humanhash: finch-ohio-michigan-sweet
File name:WB 20200813020804.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:813'056 bytes
First seen:2020-08-13 12:35:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bd9a6764235778d7fabb327e5e20a560 (8 x AgentTesla, 6 x Loki, 2 x NetWire)
ssdeep 12288:dmp9XVk3rNq8srw+ZdKSsWItO8n+D0s+rIJ3dCN/jrc/nWSAELwM0tH0SyRpMx:KlQNqHMWKKcAFrJt2j4/nWxSwbGSycx
Threatray 11'078 similar samples on MalwareBazaar
TLSH C2059E62B2E33432D17B193D9D1B77759829BE132A247B462BF41C4C9F396B138352A3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: cloudhost-150215.us-midwest-1.nxcli.net
Sending IP: 104.207.254.22
From: Airene Jovellanos (TNT EXPRESS) <Airene.Jovellanos@tnt.com>
Subject: WB 20200813020804
Attachment: WB 20200813020804.gz (contains "WB 20200813020804.exe")

AgentTesla SMTP exfil server:
mail.flood-protection.org:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/45180/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

SecuriteInfo.com.Variant.Zusy.311248.5720.6726.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/426238
Signature
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for sample
Maps a DLL or memory area into another process
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bcc8c0f61a1dfdfd76ebe02523c3eef4362cb7fb3413b24a7632a2262219a589/
Threat name:
Win32.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-13 12:37:04 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xtemb5q2dx6725xl4asshq7o6q3czn73gqj3estwgkrcmiqzuweq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
hawkeyekeylogger
Create hunting rule
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90a81b30439b28f93aedd6c172dc5caf76c2f350f6c1b11eacaedc8dc80edf52
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aa556dde1f62e5e897bf5db6980f8202febe626f2e9840190f1f2695eec3c065
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c4b617def78629851cc46040994b385c369ec849a28d791605f39a0eb294ac6e
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d63afe1ea3ed68602cf36e5f78e76143fd7c70a1a2bfada402d1d5cc6428c68e
AgentTesla
+ 11'068 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
upx keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200813-y5c3hwjgl2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
UPX packed file
AgentTesla Payload
AgentTesla
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/bcc8c0f61a1dfdfd76ebe02523c3eef4362cb7fb3413b24a7632a2262219a589

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

zip c47b2c9da733c77dde69544c8a58d174e8bae30add1fe4c0678cf1a42cd1f1a0

AgentTesla

Executable exe bcc8c0f61a1dfdfd76ebe02523c3eef4362cb7fb3413b24a7632a2262219a589

(this sample)

  
Dropped by
MD5 6cc470067d611b6cfc4c7dfc9f362e70
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 c47b2c9da733c77dde69544c8a58d174e8bae30add1fe4c0678cf1a42cd1f1a0
Cape
Cape
https://www.capesandbox.com/analysis/45180/

Comments