MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 91c3adccf9e8b7de1e5ffb86b25e2a871cb51e99568a1f342135f39568940b75. 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
OskiStealer
Vendor detections: 7
| SHA256 hash: | 91c3adccf9e8b7de1e5ffb86b25e2a871cb51e99568a1f342135f39568940b75 |
|---|---|
| SHA3-384 hash: | 5842673eb28a4f65526876437f9fa88bd1e4054ec66da801f65d57e2bd2d05940084c7a83b55b32e3d829a38a53ed20a |
| SHA1 hash: | 774af9cdd89ea4924242737209616056882fc56a |
| MD5 hash: | 5b8e444cc2753a3701fbacf030dc3121 |
| humanhash: | football-louisiana-tango-virginia |
| File name: | 12.ppam |
| Download: | download sample |
| Signature | OskiStealer |
| File size: | 10'677 bytes |
| First seen: | 2021-06-07 05:43:06 UTC |
| Last seen: | 2021-06-11 07:46:04 UTC |
| File type: |  ppam |
| MIME type: | application/vnd.openxmlformats-officedocument.presentationml.presentation |
| ssdeep | 192:ZIL5apTCBLu/Rbmld419+C+jbBdJ6kKEAvzEOSWoo8WAZZu3PekY8WD2:m96CObemiC+PBd/AvxSWooXgu/ek3 |
| TLSH | 8D22AE1CCA343252E775443EA67E5EFD661F17855C722A4F2938AB6808232477F438C6 |
| Reporter |  abuse_ch |
| Tags: | OskiStealer ppam |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| http://103.114.107.28/l15//6.jpg | https://threatfox.abuse.ch/ioc/72155/ |
| http://103.114.107.28/l15//1.jpg | https://threatfox.abuse.ch/ioc/72156/ |
| http://103.114.107.28/l15//2.jpg | https://threatfox.abuse.ch/ioc/72157/ |
| http://103.114.107.28/l15//3.jpg | https://threatfox.abuse.ch/ioc/72158/ |
| http://103.114.107.28/l15//4.jpg | https://threatfox.abuse.ch/ioc/72159/ |
| http://103.114.107.28/l15//5.jpg | https://threatfox.abuse.ch/ioc/72160/ |
| http://103.114.107.28/l15//7.jpg | https://threatfox.abuse.ch/ioc/72161/ |
Intelligence
File Origin
# of uploads :
4
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
MALICIOUS
Link:
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
60 / 100
Signature
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA macro with suspicious strings
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Script-Macro.Worm.Cridex
Status:
Malicious
First seen:
2021-06-07 00:30:03 UTC
AV detection:
9 of 46 (19.57%)
Threat level:
5/5
Detection(s):
Malicious file
Result
Malware family:
oski
Score:
10/10
Tags:
family:oski infostealer spyware
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Kills process with taskkill
Modifies Internet Explorer settings
Modifies registry class
Modifies system certificate store
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Oski
Process spawned unexpected child process
Malware Config
C2 Extraction:
103.114.107.28/l15/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | Email_stealer_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Email in files like avemaria |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | IPPort_combo_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | IP and port combo |
| Rule name: | Ping_Del_method_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | cmd ping IP nul del |
| Rule name: | Select_from_enumeration |
|---|---|
| Author: | James_inthe_box |
| Description: | IP and port combo |
| Rule name: | SharedStrings |
|---|---|
| Author: | Katie Kleemola |
| Description: | Internal names found in LURK0/CCTV0 samples |
| Rule name: | UAC_bypass_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | UAC bypass in files like avemaria |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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