MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15b77d3d5c89febf03e7530a8f3df566ef66c10b7a9983948cdc074d58c321ce. 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: 18


Intelligence 18 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 15b77d3d5c89febf03e7530a8f3df566ef66c10b7a9983948cdc074d58c321ce
SHA3-384 hash: cc2cf2783dec5c464f355dcf4635e45cee29a90507db3b3224ec4818ebed61bf8c3ed37abe1f8a2ad9e8c6a985813d97
SHA1 hash: 1cfd54b6ee2115c711b68bef0067cd19e27aeaab
MD5 hash: 207031c30119bcb45fed3797ebe387b4
humanhash: lamp-nineteen-quiet-jupiter
File name:Statement of Account.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:641'536 bytes
First seen:2023-11-21 09:22:41 UTC
Last seen:2023-11-27 09:20:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:9KJbVnbYX0T9WXtK9u9www6r/gr1yrhzfspPK4CgVuw35qUOUij:9K734XtK9hwwOYpgspPK4Cg8iqCi
TLSH T1A5D4235633DC962BD62A2337A4004C2257B06FB32521E3EEDB2E796DC9B3326C941577
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon b269ccaab2dc69b2 (3 x AgentTesla, 2 x Formbook, 1 x AsyncRAT)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
323
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Statement of Account.exe
Verdict:
Malicious activity
Analysis date:
2023-11-21 09:31:40 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/864b7824-d780-4f92-bbc0-b64c84c66d15

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/459489/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.19281.5896.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/655c771015cd82a1c998be1b/reports/a541b376-d49f-4410-ac6a-163ed1befd11/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/15b77d3d5c89febf03e7530a8f3df566ef66c10b7a9983948cdc074d58c321ce
Result
Verdict:
MALICIOUS
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/70913a0f-549b-442a-91fb-2bdad4bb011e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1345684
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1345684 Sample: Statement_of_Account.exe Startdate: 21/11/2023 Architecture: WINDOWS Score: 100 57 webmail.amtechcards.amtechprinting.com 2->57 59 api4.ipify.org 2->59 61 api.ipify.org 2->61 67 Snort IDS alert for network traffic 2->67 69 Multi AV Scanner detection for domain / URL 2->69 71 Found malware configuration 2->71 73 11 other signatures 2->73 8 Statement_of_Account.exe 7 2->8         started        12 nLrsOih.exe 5 2->12         started        14 TlKsFB.exe 2->14         started        16 TlKsFB.exe 2->16         started        signatures3 process4 file5 53 C:\Users\user\AppData\Roaming\nLrsOih.exe, PE32 8->53 dropped 55 C:\Users\user\AppData\Local\...\tmp111B.tmp, XML 8->55 dropped 85 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->85 87 Uses schtasks.exe or at.exe to add and modify task schedules 8->87 89 Adds a directory exclusion to Windows Defender 8->89 18 Statement_of_Account.exe 16 5 8->18         started        23 schtasks.exe 1 8->23         started        25 powershell.exe 23 8->25         started        91 Multi AV Scanner detection for dropped file 12->91 93 Machine Learning detection for dropped file 12->93 95 Injects a PE file into a foreign processes 12->95 27 nLrsOih.exe 12->27         started        29 schtasks.exe 1 12->29         started        31 TlKsFB.exe 14->31         started        33 schtasks.exe 14->33         started        35 TlKsFB.exe 16->35         started        37 2 other processes 16->37 signatures6 process7 dnsIp8 63 webmail.amtechcards.amtechprinting.com 64.188.2.244, 49709, 49713, 49717 ASN-QUADRANET-GLOBALUS United States 18->63 65 api4.ipify.org 173.231.16.77, 443, 49707, 49711 WEBNXUS United States 18->65 49 C:\Users\user\AppData\Roaming\...\TlKsFB.exe, PE32 18->49 dropped 51 C:\Users\user\...\TlKsFB.exe:Zone.Identifier, ASCII 18->51 dropped 75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->75 77 Tries to steal Mail credentials (via file / registry access) 18->77 79 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->79 81 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 23->81 39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 29->43         started        45 conhost.exe 33->45         started        83 Tries to harvest and steal browser information (history, passwords, etc) 35->83 47 conhost.exe 37->47         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/15b77d3d5c89febf03e7530a8f3df566ef66c10b7a9983948cdc074d58c321ce
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/15b77d3d5c89febf03e7530a8f3df566ef66c10b7a9983948cdc074d58c321ce/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-21 06:16:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cw3x2pk4rh7l6a7hkmfi6ppvm3xwnqilpkmyhfem3qdu2wgdehha._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231121-lchj8aec6t/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
b840601c5065258ce326f6a16477804810ecbc6957c9d161f2a488610e9aed45
MD5 hash:
f4ef3920072e978dc36002b26be3eba2
SHA1 hash:
e8489bc53dc2d0604b51556c8e0f691e6db4589b
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
Link:
https://www.unpac.me/results/dd977648-e6aa-4932-8f83-6c830f932bc0/
Parent samples :
226b1750ed50ee7664095871acdfa440d5230e098cc1f4119462ae020f4d1203
15b77d3d5c89febf03e7530a8f3df566ef66c10b7a9983948cdc074d58c321ce
58902f188e6682f84e8db14bde288fbfdea7127490bd2ae8c42593de55d33c94
SH256 hash:
fef9c770e1a40537783ec0885ce66b886f297e4a406dfdea397934bf4e7d3c58
MD5 hash:
7a24cd86730aa97172b22465ea3c16e6
SHA1 hash:
e60617493812edb780d6ccaf77a454813fd45031
Link:
https://www.unpac.me/results/dd977648-e6aa-4932-8f83-6c830f932bc0/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/dd977648-e6aa-4932-8f83-6c830f932bc0/
SH256 hash:
186bc47f84bd549cd52598955cdb159efc8f11c6c04ab3d72b42f2e85aeb7669
MD5 hash:
46f31ce406879d3fa817588414d40997
SHA1 hash:
86724872ac35ec0a7f2ba704c9ccb5b6120384f5
Link:
https://www.unpac.me/results/dd977648-e6aa-4932-8f83-6c830f932bc0/
SH256 hash:
15b77d3d5c89febf03e7530a8f3df566ef66c10b7a9983948cdc074d58c321ce
MD5 hash:
207031c30119bcb45fed3797ebe387b4
SHA1 hash:
1cfd54b6ee2115c711b68bef0067cd19e27aeaab
Link:
https://www.unpac.me/results/dd977648-e6aa-4932-8f83-6c830f932bc0/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/15b77d3d5c89/report/overview.html
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/15b77d3d5c89febf03e7530a8f3df566ef66c10b7a9983948cdc074d58c321ce

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AgentTesla

Executable exe 15b77d3d5c89febf03e7530a8f3df566ef66c10b7a9983948cdc074d58c321ce

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/459489/

Comments