MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 62f136f9b8f0c9ff14468005d792761c61e7d94c1ef6b738e6b27e5cfc977e5b. 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


Intelligence 11 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 62f136f9b8f0c9ff14468005d792761c61e7d94c1ef6b738e6b27e5cfc977e5b
SHA3-384 hash: 3967191ace81cdda00911eb52d47b9a9c1783a0435daa3a261dcda8cfa611ea17970960c0895ec0dd1d671e16afaee3a
SHA1 hash: 401feb64ab060e682c9f18889710f3dd6f479c47
MD5 hash: c5648546b7f2033b71377e5710296d2d
humanhash: carpet-wisconsin-lactose-east
File name:c5648546b7f2033b71377e5710296d2d.exe
Download: download sample
Signature OskiStealer
Create hunting rule
File size:400'384 bytes
First seen:2021-12-24 08:03:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6d09f8ae8bd4a2a9caf12f795f451774 (1 x OskiStealer)
ssdeep 3072:eLFZYdbZGTPZkhBqCG4R2mv3yK9VjQhxg8sYczD5UQWO8kzfed:eLFZYWTZkhB3RLvrVjQhxooOFa
Threatray 1 similar samples on MalwareBazaar
TLSH T1C884F110BAE4C837E5A652FA4D79D3B24D3F78162D61404B3A9D271F1FA37C08D66326
File icon (PE):PE icon
dhash icon 480c1c4c4f594b14 (172 x Smoke Loader, 134 x RedLineStealer, 98 x Amadey)
Reporter abuse_ch
Tags:exe OskiStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
141
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://92.255.85.131/img/rundll32.exe
Verdict:
Malicious activity
Analysis date:
2021-12-24 02:28:46 UTC
Tags:
loader evasion trojan stealer vidar opendir
Link:
https://app.any.run/tasks/63753db3-028f-4223-88a3-24be3b4a090a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/216106/
Detection(s):
Win.Dropper.Lockbit-9917808-0
Create hunting rule

Win.Malware.Mikey-9917879-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file
Enabling the 'hidden' option for recently created files
Launching a process
Creating a process with a hidden window
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a process from a recently created file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/3068/overview
Behaviour
MalwareBazaar
CPUID_Instruction
SystemUptime
MeasuringTime
EvasionGetTickCount
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware
Link:
https://www.filescan.io/uploads/61c57ef74ab5c44cbf4f15d5/reports/109dcf09-0441-410b-a83f-d7e5f884827c/overview
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:
MyKings
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/149f8475-7510-4c7d-aa5d-75a84bd16a46
Result
Threat name:
Oski Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/912392
Signature
Contains functionality to inject code into remote processes
Drops PE files with benign system names
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Oski Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 544871 Sample: wrpC92kyN3.exe Startdate: 24/12/2021 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected Oski Stealer 2->41 43 2 other signatures 2->43 8 wrpC92kyN3.exe 2->8         started        11 lsm.exe 2->11         started        13 lsm.exe 2->13         started        15 lsm.exe 2->15         started        process3 signatures4 45 May check the online IP address of the machine 8->45 47 Uses schtasks.exe or at.exe to add and modify task schedules 8->47 49 Drops PE files with benign system names 8->49 17 wrpC92kyN3.exe 16 8->17         started        51 Multi AV Scanner detection for dropped file 11->51 53 Machine Learning detection for dropped file 11->53 55 Contains functionality to inject code into remote processes 11->55 21 lsm.exe 11->21         started        57 Injects a PE file into a foreign processes 13->57 23 lsm.exe 13->23         started        25 lsm.exe 15->25         started        process5 dnsIp6 35 iplogger.org 148.251.234.83, 443, 49753, 49754 HETZNER-ASDE Germany 17->35 31 C:\ProgramData\...\lsm.exe, PE32 17->31 dropped 33 C:\ProgramData\...\lsm.exe:Zone.Identifier, ASCII 17->33 dropped 27 schtasks.exe 1 17->27         started        file7 process8 process9 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/62f136f9b8f0c9ff14468005d792761c61e7d94c1ef6b738e6b27e5cfc977e5b/
Threat name:
Win32.Trojan.Lockbit
Create hunting rule
Status:
Malicious
First seen:
2021-12-24 00:51:13 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
24 of 43 (55.81%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
trickbot
Create hunting rule
Similar samples:
59adfc0c805869287af49100c2ea65a80e6ebbaaf256f5e40d488b5dad38ee65
OskiStealer
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/211224-jyaemacfb8/
Behaviour
Creates scheduled task(s)
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Executes dropped EXE
Unpacked files
SH256 hash:
28c882e71940774ff46419bd3651ebd06a1f05dabc65ba9868a7d19c840d7ecc
MD5 hash:
3de00c1b9820a27556f88cfe3d780b67
SHA1 hash:
8130de021e1ad9847068e618670a589b063d19d7
Link:
https://www.unpac.me/results/f06e3912-a423-4a31-b385-6bacb4c71081/
SH256 hash:
62f136f9b8f0c9ff14468005d792761c61e7d94c1ef6b738e6b27e5cfc977e5b
MD5 hash:
c5648546b7f2033b71377e5710296d2d
SHA1 hash:
401feb64ab060e682c9f18889710f3dd6f479c47
Link:
https://www.unpac.me/results/f06e3912-a423-4a31-b385-6bacb4c71081/
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/62f136f9b8f0c9ff14468005d792761c61e7d94c1ef6b738e6b27e5cfc977e5b

File information

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

Web download

OskiStealer

Executable exe 62f136f9b8f0c9ff14468005d792761c61e7d94c1ef6b738e6b27e5cfc977e5b

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/216106/
  
URLhaus
https://urlhaus.abuse.ch/url/1917554/
  
Delivery method
Distributed via web download

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