MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0c5a719673349d3e37ba895d264525b4f551d2f54846ffab5b8c0ad77db64738. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0c5a719673349d3e37ba895d264525b4f551d2f54846ffab5b8c0ad77db64738
SHA3-384 hash: 7cf3e1576d4b9c5d7bc7751ca0f73ad33c3b23022bdb244e94873455d60bc661e4c810f2cc538fbf786e5b521caa7251
SHA1 hash: 04f9e2fe1c46e5d7852322fa4eeffc82f8421e3a
MD5 hash: 30e21a6e9b7c92856d84f1282ba3cbb2
humanhash: golf-papa-tango-sad
File name:Oluvppahw.exe
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:6'703'104 bytes
First seen:2024-02-29 18:20:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 49152:0GitArDTF3eHNUg0TZmYPHbHhkRY8wHOP93R6ZWIMfB3D12G2FcM7QmpzvT:0crZBZdHsP930sl2670z
Threatray 132 similar samples on MalwareBazaar
TLSH T1B066F702FBDB5AE2C545233BC5DB1914136DE981B313D70B764FA32A0D027BBAD562A3
TrID 67.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.2% (.EXE) Win32 Executable (generic) (4504/4/1)
2.4% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:exe PureLogStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
409
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0c5a719673349d3e37ba895d264525b4f551d2f54846ffab5b8c0ad77db64738.exe
Verdict:
Malicious activity
Analysis date:
2024-02-29 18:21:52 UTC
Tags:
purelogs purecrypter loader
Link:
https://app.any.run/tasks/128c538b-3209-4ecc-b1c4-fc842b304184

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Trojan.EmbeddedDotNetBinary-9940868-0
Create hunting rule

Win.Trojan.EmbeddedReversedDLL-9940922-0
Create hunting rule

Win.Trojan.Generic-10014419-0
Create hunting rule

Gathering data
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/0c5a719673349d3e37ba895d264525b4f551d2f54846ffab5b8c0ad77db64738
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/bdfe9f08-0995-4b27-8256-8992c13dab7a
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1401067
Signature
Antivirus / Scanner detection for submitted sample
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Modifies the context of a thread in another process (thread injection)
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)
Tries to harvest and steal Bitcoin Wallet information
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)
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1401067 Sample: Oluvppahw.exe Startdate: 29/02/2024 Architecture: WINDOWS Score: 100 28 114.82.9.0.in-addr.arpa 2->28 42 Antivirus / Scanner detection for submitted sample 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected PureLog Stealer 2->46 48 Yara detected Costura Assembly Loader 2->48 7 Oluvppahw.exe 1 3 2->7         started        11 farm.exe 1 2->11         started        13 farm.exe 2->13         started        signatures3 process4 file5 26 C:\Users\user\AppData\Roaming\farm.exe, PE32+ 7->26 dropped 50 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->50 52 Modifies the context of a thread in another process (thread injection) 7->52 54 Injects a PE file into a foreign processes 7->54 15 Oluvppahw.exe 23 7->15         started        56 Multi AV Scanner detection for dropped file 11->56 20 farm.exe 23 11->20         started        22 farm.exe 13->22         started        signatures6 process7 dnsIp8 30 45.137.22.173, 49729, 49730, 49737 ROOTLAYERNETNL Netherlands 15->30 24 C:\Users\user\AppData\...\sqlite.interop.dll, PE32+ 15->24 dropped 32 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->32 34 Tries to steal Mail credentials (via file / registry access) 15->34 36 Found many strings related to Crypto-Wallets (likely being stolen) 15->36 38 Tries to harvest and steal browser information (history, passwords, etc) 22->38 40 Tries to harvest and steal Bitcoin Wallet information 22->40 file9 signatures10
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/0c5a719673349d3e37ba895d264525b4f551d2f54846ffab5b8c0ad77db64738
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0c5a719673349d3e37ba895d264525b4f551d2f54846ffab5b8c0ad77db64738/
Threat name:
Win64.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-02-29 16:34:54 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
5
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=brnhdfttgsot4n52rfosmrjfwt2vduxvjbdp7k23rqfno7nwi44a._file
Verdict:
malicious
Similar samples:
19227c3cbaf6fe7441ed47f9e7a759d398ab55156af4cde8329d855e51ca79c9
PureLogsStealer
3298664374264a54bf1478c665c3d1bd92042a7bd41c60c8374ac88a9e5c9123
PureLogsStealer
3522c4380138f81dce5085c66b158b6069238c6737ece7be4b433c29fcfcc39b
PureLogsStealer
3fcb840d5e65fc86ed5637bdcbab0ecde764d360ebe18a5e5d6795811dc1c622
PureLogsStealer
52c76dd8c1caaf930ccb5f376b9731b21611c55ae4cbbfefb41fe3e50e66a3d1
PureLogsStealer
859beadc69ed87ed6a706cb57d8a46f502cca1b826afe66672475c41f11f8055
PureLogsStealer
98d7e80ac0ee8ffbeb51fd3273e5d5cb7236f24123af2f112bc62083d4411a74
PureLogsStealer
9d046d4e43b99666c5debb4b1c8ef88f4e134807392ff043664e559475129909
PureLogsStealer
d9d9db5008e30587a15b125785b756cd17c41fe3aacaf5ee91479511a0e8a94b
PureLogsStealer
e893ac9a6d04a539249db958bdf41e17738b23a8e5f3e6f98eb42b7e5066ecdf
PureLogsStealer
+ 122 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:zgrat collection persistence rat spyware stealer
Link:
https://tria.ge/reports/240229-wza4rsgg2v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Loads dropped DLL
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
0c5a719673349d3e37ba895d264525b4f551d2f54846ffab5b8c0ad77db64738
MD5 hash:
30e21a6e9b7c92856d84f1282ba3cbb2
SHA1 hash:
04f9e2fe1c46e5d7852322fa4eeffc82f8421e3a
Detections:
Typical_Malware_String_Transforms
Create hunting rule
Link:
https://www.unpac.me/results/0b6484d6-4cdd-4c99-989b-31f120da0ccf/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0c5a71967334/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/0c5a719673349d3e37ba895d264525b4f551d2f54846ffab5b8c0ad77db64738

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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information

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

Malspam

PureLogsStealer

Executable exe 0c5a719673349d3e37ba895d264525b4f551d2f54846ffab5b8c0ad77db64738

(this sample)

  
Delivery method
Distributed via e-mail attachment

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