MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb4b97dfb488834c2e4f2342a02123f0c1a25ca30612d05d10563ed4db57648b. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
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SHA256 hash: cb4b97dfb488834c2e4f2342a02123f0c1a25ca30612d05d10563ed4db57648b
SHA3-384 hash: c9d987185ea6638b2ca4ef722520bc3b68c2ac6a3a93903c965d76f24494857ce3c21651ee27196fd7cc9ecb5f31d05c
SHA1 hash: 2b44f4d4edb41ac0ccf6b4858cc8e92a5725fa8e
MD5 hash: 20685408490305eef3e5c4b31665ca91
humanhash: eight-gee-angel-south
File name:NEW PO (PO01-240111).exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:723'456 bytes
First seen:2024-02-26 14:55:07 UTC
Last seen:2024-02-26 16:21:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 12288:dlW3lmzBh35ySGbomFKozrE3s8FtDBSpKEV05ctMdfJzdA8JBvmUiGJ1ZUb:ZBNOxePRoPYctMdJzd9RmUDLU
TLSH T1EAF4230C363DE077CCAFCAB2065952258B7B8391B197E7D51CC174EE88E2F498725A83
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter malwarelabnet
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
317
Origin country :
CA CA
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/477826/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Stealer.38544.31476.6344.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
davinci formbook packed
Link:
https://www.filescan.io/uploads/65dca68222703c3491b2f713/reports/29e0dffe-89eb-46a4-9411-fa3d34ee75f1/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/cb4b97dfb488834c2e4f2342a02123f0c1a25ca30612d05d10563ed4db57648b
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/74768bee-47c5-4d3b-add7-784f768844ac
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1398847
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, 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 PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1398847 Sample: NEW PO (PO01-240111).exe Startdate: 26/02/2024 Architecture: WINDOWS Score: 100 33 ftp.mercuresurabaya.com 2->33 35 api.ipify.org 2->35 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Antivirus / Scanner detection for submitted sample 2->45 47 13 other signatures 2->47 8 NEW PO (PO01-240111).exe 15 6 2->8         started        13 hSWWnpI.exe 3 2->13         started        signatures3 process4 dnsIp5 37 ftp.mercuresurabaya.com 43.230.131.19, 21, 49711 NUSANET-AS-IDMediaAntarNusaPTID Indonesia 8->37 39 api.ipify.org 104.26.12.205, 443, 49708 CLOUDFLARENETUS United States 8->39 29 C:\Users\user\AppData\Roaming\hSWWnpI.exe, PE32 8->29 dropped 31 C:\Users\user\AppData\Local\...\tmp1E42.tmp, XML 8->31 dropped 49 Tries to steal Mail credentials (via file / registry access) 8->49 51 Tries to harvest and steal browser information (history, passwords, etc) 8->51 53 Adds a directory exclusion to Windows Defender 8->53 15 powershell.exe 23 8->15         started        17 powershell.exe 21 8->17         started        19 schtasks.exe 1 8->19         started        55 Antivirus detection for dropped file 13->55 57 Multi AV Scanner detection for dropped file 13->57 59 Machine Learning detection for dropped file 13->59 file6 signatures7 process8 process9 21 WmiPrvSE.exe 15->21         started        23 conhost.exe 15->23         started        25 conhost.exe 17->25         started        27 conhost.exe 19->27         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cb4b97dfb488834c2e4f2342a02123f0c1a25ca30612d05d10563ed4db57648b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cb4b97dfb488834c2e4f2342a02123f0c1a25ca30612d05d10563ed4db57648b/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
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Status:
Malicious
First seen:
2024-02-23 07:56:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=znfzpx5urcbuylspenbkaijd6da2exfdayjnaxiqky7njw2xmsfq._file
Verdict:
malicious
Label(s):
agenttesla_v4
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agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240226-saz5tahc3t/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Looks up external IP address via web service
Checks computer location settings
Reads WinSCP keys stored on the system
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:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
Link:
https://www.unpac.me/results/39dbfc10-ed46-41d8-bfe2-01833767146e/
SH256 hash:
2add9afdc82e8018c76f7fb0f6f7780ee30f93b259688ca4ac4a56413783a1f0
MD5 hash:
42f48ccdbc2fc0678078b6f4acc4c6e6
SHA1 hash:
9285e67ab1c6ceec8f29cafed38ad706280c2f7b
Link:
https://www.unpac.me/results/39dbfc10-ed46-41d8-bfe2-01833767146e/
SH256 hash:
d70e4033db330c128a0fed627f2bb0faee896f86112e6f4170adefc9a580dff1
MD5 hash:
ec2a8446d2bb3f4a4bd67c0fab01fd3d
SHA1 hash:
72adabdb9c297f0cad6708f40b90f90c894e387c
Link:
https://www.unpac.me/results/39dbfc10-ed46-41d8-bfe2-01833767146e/
SH256 hash:
ec592062c41d26d7046ab135fbabaf80e69900ba940ca654261cda17109f8769
MD5 hash:
09f7fb78314d30bf7c69d72caa9da978
SHA1 hash:
5536e0f86fe6e36f11e5ba03a8f559675dd82f30
Link:
https://www.unpac.me/results/39dbfc10-ed46-41d8-bfe2-01833767146e/
SH256 hash:
adae66eb68ad14174418c2536a121e4a211a13f031f865fc245a79ce9d9d8cc3
MD5 hash:
b9c6fba153bdb1b68dabf4702cf336c5
SHA1 hash:
2d636648ab3e88d30dccaef08a1740b4e048cfe5
Detections:
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
MALWARE_Win_AgentTeslaV2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/39dbfc10-ed46-41d8-bfe2-01833767146e/
Parent samples :
4f49a18bb9f8619005aba1c00bdeca5e0297f995eaf505017944dec35c71c79c
d79c10c019e84d21dd10f8b686b08bb46bc83485bee156f7316838fa743f0f20
cb4b97dfb488834c2e4f2342a02123f0c1a25ca30612d05d10563ed4db57648b
SH256 hash:
cb4b97dfb488834c2e4f2342a02123f0c1a25ca30612d05d10563ed4db57648b
MD5 hash:
20685408490305eef3e5c4b31665ca91
SHA1 hash:
2b44f4d4edb41ac0ccf6b4858cc8e92a5725fa8e
Link:
https://www.unpac.me/results/39dbfc10-ed46-41d8-bfe2-01833767146e/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cb4b97dfb488/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/cb4b97dfb488834c2e4f2342a02123f0c1a25ca30612d05d10563ed4db57648b

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/477826/

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