MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 538cc397a171cc8916b273fc2f6407b5c561f30b160d0e00f43876438ddb9193. 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


PureLogsStealer


Vendor detections: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 538cc397a171cc8916b273fc2f6407b5c561f30b160d0e00f43876438ddb9193
SHA3-384 hash: 45bf0dca580204e7863047cc3b1f4e7b099cbe73043480faf7730a040aaf7f3293c9ffb4ea6b280c19c9348c6270b4b8
SHA1 hash: 356df8951d5c9771ba523a42e0d89fbeee661f24
MD5 hash: 3b9df1a72f00adf98ae6b7fb83a2b4d2
humanhash: california-spring-floor-pasta
File name:QUOTATION_APRQTRA031244·PDF.scr
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:235'008 bytes
First seen:2024-04-08 09:18:37 UTC
Last seen:2024-04-08 10:49:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 6144:VE08tYLyZZEXrdm4Vz0Rpppppppppppppppppppppppppppppb:V9Xrdm4Vz0Rpppppppppppppppppppp5
TLSH T13634F782E8006274EE69AB346A33CD3507127DBDAD78942D24E97D4B3FBFAD36025413
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon d4d4dad6d6dcc4e4 (34 x AgentTesla, 8 x Formbook, 7 x SnakeKeylogger)
Reporter JAMESWT_WT
Tags:exe PureLogStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
319
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
538cc397a171cc8916b273fc2f6407b5c561f30b160d0e00f43876438ddb9193.exe
Verdict:
Malicious activity
Analysis date:
2024-04-08 09:20:46 UTC
Tags:
evasion stealer agenttesla
Link:
https://app.any.run/tasks/51496df6-5a1c-4da3-9c81-dffd9d71bfa6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Creating a file
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/538cc397a171cc8916b273fc2f6407b5c561f30b160d0e00f43876438ddb9193
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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/25557da7-6682-4dad-a19e-954757ae345d
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1422131
Signature
.NET source code contains potential unpacker
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/538cc397a171cc8916b273fc2f6407b5c561f30b160d0e00f43876438ddb9193
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/538cc397a171cc8916b273fc2f6407b5c561f30b160d0e00f43876438ddb9193/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-04-08 09:18:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
36
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kogmhf5bohgisfvsop6c6zahwxcwd4ylcygq4ahuhb3ehdo3sgjq._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:zgrat keylogger rat spyware stealer trojan
Link:
https://tria.ge/reports/240408-k96smshb2t/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
538cc397a171cc8916b273fc2f6407b5c561f30b160d0e00f43876438ddb9193
MD5 hash:
3b9df1a72f00adf98ae6b7fb83a2b4d2
SHA1 hash:
356df8951d5c9771ba523a42e0d89fbeee661f24
Link:
https://www.unpac.me/results/9110a51d-510e-47a0-a4a8-bbd9f538ff7e/
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/538cc397a171cc8916b273fc2f6407b5c561f30b160d0e00f43876438ddb9193

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.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments