MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dbbe21f14ca93d658be3606974e289edf4b205b22d967324c49cba1950f29b9e. 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: 14


Intelligence 14 IOCs YARA 18 File information Comments

SHA256 hash: dbbe21f14ca93d658be3606974e289edf4b205b22d967324c49cba1950f29b9e
SHA3-384 hash: f5872ce351a94d0e0a1d9a15469fa7c7d0dd4cfc5a4fe53eb319c4f03de585773b99aace92aa0d370eead50d534d35ae
SHA1 hash: 4bd992ad38ae9c0746e28882ab5f2e2ebecce99e
MD5 hash: a67169c874028b84c830f38235fc7d3c
humanhash: arizona-moon-butter-helium
File name:SecuriteInfo.com.Win32.RATX-gen.4122.25845
Download: download sample
Signature PureLogsStealer
File size:3'260'928 bytes
First seen:2024-03-20 09:21:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 98304:J9B5qENyycznpvioeTxDQxpsn2gvZ+w2UX:zBn4npvigqnTvZl2UX
TLSH T155E5331189E456CBF6E92631C4304276B33AD2C626A597C64DD434C90B87B81B9FCFBB
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)
Reporter SecuriteInfoCom
Tags:exe PureLogStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
491
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dbbe21f14ca93d658be3606974e289edf4b205b22d967324c49cba1950f29b9e.exe
Verdict:
Malicious activity
Analysis date:
2024-03-20 09:24:09 UTC
Tags:
n/a

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

Behaviour
Searching for the window
Restart of the analyzed sample
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a file in the Windows subdirectories
Launching a process
Creating a file in the system32 subdirectories
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Enabling autorun by creating a file
Using obfuscated Powershell scripts
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
PureLog Stealer
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains process injector
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to inject code into remote processes
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.PureLogStealer
Status:
Malicious
First seen:
2024-03-20 04:43:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:zgrat evasion rat
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in System32 directory
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Detect ZGRat V1
Modifies security service
Suspicious use of NtCreateUserProcessOtherParentProcess
ZGRat
Unpacked files
SH256 hash:
6d221b274627d2272aa3762f5db181175521303980fa84441d1d24595a07a93f
MD5 hash:
f7a69e245ca130fe2596539b6f349e2d
SHA1 hash:
c7adcee29655b680ea8eede3373b148e42cd4b27
SH256 hash:
f2a9625758f0635f00fbaf23071a2e74ac082efe9b394f6b1358d6f6409ccf40
MD5 hash:
af08de17d04b602d675bed2dd62e8ace
SHA1 hash:
66d5b48fb0a11d76df09ea75942182c6975c742a
SH256 hash:
ef094ffdbe370acb54dac0899936fb79f354421485de5b50a3594d9537faec8b
MD5 hash:
7ade4779b443abff68836c0da407a36c
SHA1 hash:
30c4ac01097aba20e91ac1940a4664a741e11c08
SH256 hash:
a4623b34f8d09f536e6d8e2f06f6edfb3975938eb0d9927e6cd2ff9c553468fc
MD5 hash:
152e3f07bbaf88fb8b097ba05a60df6e
SHA1 hash:
c4638921bb140e7b6a722d7c4d88afa7ed4e55c8
SH256 hash:
4fe8bbdb5141c1be3c1e4960d1ba2aa49c0a3aa9b6e1316fccbe6f7bff7831ae
MD5 hash:
d9ea0a60267fdc954275906dadb48b80
SHA1 hash:
a4db8b34991d63cfcc4147cfe6538f840464091f
SH256 hash:
dfc81fca03d7496262d91695954ef5001ac852702c7c15ed75d7c10f62f6d536
MD5 hash:
f992b2f1148b6e897a73bfb68224ea40
SHA1 hash:
7dd7f9e8d2198c99c862369a9a4805529f73f20e
SH256 hash:
fb3f427918a836539096254c20087b0175476e8123af10b38594231206248c92
MD5 hash:
67e7d24173c59b92981f944601c4fac9
SHA1 hash:
4a22ac496169c36293ec22cf2bafe99031e45e51
SH256 hash:
78f73e1734daa918b253517c75971fbb8df773a3d77d02a752e9a0ad1711a677
MD5 hash:
f9d2985aa1c41cca281321fffb5ed424
SHA1 hash:
3a7a58d2dcae2762882357ae34d372744b1dbb9d
SH256 hash:
9cf6a283011a5c09ddccc4c8843e6923fa0c5bda8fc4a544894d7d14186edff9
MD5 hash:
b0d0abf0e128049b82f57e0c36f51387
SHA1 hash:
1e0444c5b2f940583888608d898a0d73496da13b
SH256 hash:
dbbe21f14ca93d658be3606974e289edf4b205b22d967324c49cba1950f29b9e
MD5 hash:
a67169c874028b84c830f38235fc7d3c
SHA1 hash:
4bd992ad38ae9c0746e28882ab5f2e2ebecce99e
Please note that we are no longer able to provide a coverage score for Virus Total.

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:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_R77
Author:ditekSHen
Description:Detects r77 rootkit
Rule name:meth_peb_parsing
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Rootkit_R77_be403e3c
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/elastic-security-labs-steps-through-the-r77-rootkit
Rule name:Windows_Rootkit_R77_d0367e28
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/elastic-security-labs-steps-through-the-r77-rootkit
Rule name:Windows_Rootkit_R77_ee853c9f
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/elastic-security-labs-steps-through-the-r77-rootkit

File information


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

Web download

PureLogsStealer

Executable exe dbbe21f14ca93d658be3606974e289edf4b205b22d967324c49cba1950f29b9e

(this sample)

  
Delivery method
Distributed via web download

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