MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 08c2e043056e5885236672d75e1f62ca87cffebb47457efc644611a065bfebcb. 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: 11
| SHA256 hash: | 08c2e043056e5885236672d75e1f62ca87cffebb47457efc644611a065bfebcb |
|---|---|
| SHA3-384 hash: | 308dec53da6d5514be9d477dd2e134aec17e00c11e4c3e0202ac8098b6968eb164ee1fbe1bc3fee71f1b4c9018dfb3f9 |
| SHA1 hash: | 6ecf08fa647ab3bc527e06b2996a90c748c1ba28 |
| MD5 hash: | 663dfa8f055ba37eaa8bffc10026f311 |
| humanhash: | three-arkansas-mississippi-jersey |
| File name: | 663dfa8f055ba37eaa8bffc10026f311.exe |
| Download: | download sample |
| Signature | OskiStealer |
| File size: | 856'576 bytes |
| First seen: | 2021-09-17 18:31:06 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | e56b8f875592e725f8372fa466f75b12 (2 x RemcosRAT, 1 x OskiStealer, 1 x Smoke Loader) |
| ssdeep | 12288:RNnBrnT39eHh9pAE6pPnrvQHOgJ8q//CS4/FZ4KPvnk6LHC7WWnMvwfHVBPggsek:35nReHhXknrvJ5K/vtKHngseB |
| Threatray | 3'582 similar samples on MalwareBazaar |
| TLSH | T146056D6662C28CF2F0311A348CD7A56C4A39BEF07A554CDE1DB82D181E696C97E3D18F |
| dhash icon | 4cca4c67d3261aca (6 x RemcosRAT, 4 x Formbook, 2 x AveMariaRAT) |
| Reporter |  abuse_ch |
| Tags: | exe OskiStealer |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| http://103.141.138.110/p2//6.jpg | https://threatfox.abuse.ch/ioc/222970/ |
| http://103.141.138.110/p2//1.jpg | https://threatfox.abuse.ch/ioc/222971/ |
| http://103.141.138.110/p2//7.jpg | https://threatfox.abuse.ch/ioc/222972/ |
| http://103.141.138.110/p2//2.jpg | https://threatfox.abuse.ch/ioc/222973/ |
| http://103.141.138.110/p2//3.jpg | https://threatfox.abuse.ch/ioc/222974/ |
| http://103.141.138.110/p2//4.jpg | https://threatfox.abuse.ch/ioc/222975/ |
| http://103.141.138.110/p2//5.jpg | https://threatfox.abuse.ch/ioc/222976/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
155
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Bestellung 210950030.ppam
Verdict:
Malicious activity
Analysis date:
2021-09-17 18:11:38 UTC
Tags:
macros macros-on-open loader trojan stealer vidar
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
Detection(s):
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Launching the default Windows debugger (dwwin.exe)
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
greyware keylogger
Malware family:
Oski Stealer
Verdict:
Malicious
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Signature
Antivirus / Scanner detection for submitted sample
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2021-09-17 16:22:13 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 3'572 additional samples on MalwareBazaar
Result
Malware family:
oski
Score:
10/10
Tags:
family:oski discovery infostealer persistence spyware stealer
Behaviour
Checks processor information in registry
Kills process with taskkill
Modifies registry key
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Oski
Malware Config
C2 Extraction:
103.141.138.110/p2/
Unpacked files
SH256 hash:
519197f521aa39b7a7ab34b4500a304a7329d967115c2e48fe1b6eb201e39af1
MD5 hash:
3da921c9355d01d335cf03159a950030
SHA1 hash:
3be3f4ea8f289a123dcd1f6ac97c6f34a503c9cf
SH256 hash:
08c2e043056e5885236672d75e1f62ca87cffebb47457efc644611a065bfebcb
MD5 hash:
663dfa8f055ba37eaa8bffc10026f311
SHA1 hash:
6ecf08fa647ab3bc527e06b2996a90c748c1ba28
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: | INDICATOR_SUSPICIOUS_EXE_UACBypass_EnvVarScheduledTasks |
|---|---|
| Author: | ditekSHen |
| Description: | detects Windows exceutables potentially bypassing UAC (ab)using Environment Variables in Scheduled Tasks |
| Rule name: | MALWARE_Win_Vidar |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Vidar / ArkeiStealer |
| Rule name: | Vidar |
|---|---|
| Author: | kevoreilly |
| Description: | Vidar Payload |
| Rule name: | win_oski_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.oski. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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