MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1e9fe4ead1434548d7c9c9b43fed8c63134a17159e0d99980ab7c6233149befe. 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: 8


Intelligence 8 IOCs 7 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1e9fe4ead1434548d7c9c9b43fed8c63134a17159e0d99980ab7c6233149befe
SHA3-384 hash: 9a969f39e1191db4b6b5c230324cac7979b16b2199f298addcf9a10403151945de1916d7f9a50fee2f32a8840b633188
SHA1 hash: dff8d987fc00ff73f38f0f7af674177cab529110
MD5 hash: 69c5f316be3b4a3f9fc60f7a3a1605fe
humanhash: bacon-hot-sixteen-hydrogen
File name:69C5F316BE3B4A3F9FC60F7A3A1605FE.exe
Download: download sample
Signature OskiStealer
Create hunting rule
File size:459'576 bytes
First seen:2021-04-26 22:31:03 UTC
Last seen:2021-04-26 23:48:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:YJtfUeAIQHuA36cdApIj3bvOS0X4jZIMBjkOnQWCS:YJeeAItC66MMLJUHMHE
Threatray 44 similar samples on MalwareBazaar
TLSH 2DA4387708490A04E21D3A34C1A0F67C83625D957BE9ADCFAD897D96D23A6F0F410EDB
Reporter abuse_ch
Tags:exe OskiStealer


Avatar
abuse_ch
OskiStealer C2:
http://osiq.club/6.jpg

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://osiq.club/6.jpg https://threatfox.abuse.ch/ioc/10260/
http://osiq.club/1.jpg https://threatfox.abuse.ch/ioc/10261/
http://osiq.club/2.jpg https://threatfox.abuse.ch/ioc/10262/
http://osiq.club/3.jpg https://threatfox.abuse.ch/ioc/10263/
http://osiq.club/4.jpg https://threatfox.abuse.ch/ioc/10266/
http://osiq.club/5.jpg https://threatfox.abuse.ch/ioc/10267/
http://osiq.club/7.jpg https://threatfox.abuse.ch/ioc/10271/

Intelligence

File Origin
# of uploads :
2
# of downloads :
161
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2.exe
Verdict:
Malicious activity
Analysis date:
2021-04-21 07:48:38 UTC
Tags:
trojan stealer vidar
Link:
https://app.any.run/tasks/6308aafd-05d1-47a5-b169-1f51661fe7a6

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/144434/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.36755338.29206.1060.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a UDP request
Sending a custom TCP request
Launching the default Windows debugger (dwwin.exe)
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:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/698479
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Multi AV Scanner detection for domain / URL
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 Costura Assembly Loader
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1e9fe4ead1434548d7c9c9b43fed8c63134a17159e0d99980ab7c6233149befe/
Threat name:
ByteCode-MSIL.Trojan.Chapak
Create hunting rule
Status:
Malicious
First seen:
2021-04-21 12:11:58 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=d2p6j2wrincurv6jzg2d73mmmmjuufyvtygztgakw7dcgmkjx37a._file
Verdict:
unknown
Similar samples:
0728fd4058762cdab5e5366f0e353fc86437707048e0a5a915a1d2c433a67c7c
OskiStealer
230105e9e7579165b1cfa4088219f9b16723242873b5167f55e639b0b2376b49
OskiStealer
398e6661f5ca757d0d7c777a0ed8ca1481b5c2df810008164e1f51deefc2ab48
OskiStealer
3b019e395d076e03b3b4a2d9468d3acb36df69115e059119194fbd8dd6d1dd6b
OskiStealer
4d070c37035d5d59c99ec7f7214282148ec5762de11bbbb4eb8784ed59f3e87e
OskiStealer
78baec19444d923fde30977dacb85fada9247b9e3ae150f32a1137e7fc0b8dfb
OskiStealer
b33514e7b334b8aee694323114c7d2694f3cdb49c7614291ca8f064c23ff8542
OskiStealer
b87b28a8f83442cb616dd3da7e520617a8b57280ca0098fb3721d6142978cc5f
OskiStealer
b9ecf814b7f31a8ee1445d0256ba7a74f46d3e8f0bb588d10c54cd7f7f0fc202
OskiStealer
c0b81523511df7b87111c6d4d849f08326e22a15adeb15a203feb8ce5ca56a75
OskiStealer
+ 34 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Link:
https://tria.ge/reports/210426-xefek95nkj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Unpacked files
SH256 hash:
227c64df9ec0d962a339d28e446e5065c1359c35e63ae217a3581bee350f2046
MD5 hash:
6e2ea28323ca7aa8fdc29215d3ece138
SHA1 hash:
f679cf157cbad68566820ae994025708b6c1b679
Link:
https://www.unpac.me/results/a4acb163-6ba1-4cf6-9eea-487973de08c1/
SH256 hash:
b482b0d5d551ceb00ff8fa4dbc027678db9880de88a587b32374c080ab885aa8
MD5 hash:
307d1791863ba483324c2fee5230474e
SHA1 hash:
93357af50542b651e6b8b40c265ba1cea16362b5
Detections:
win_oski_g0
Create hunting rule
win_oski_auto
Create hunting rule
Link:
https://www.unpac.me/results/a4acb163-6ba1-4cf6-9eea-487973de08c1/
SH256 hash:
d6ba7f839dd7370de0a95ca7c26a4f82e906c6dd9664a22bf15d59f43d4b072e
MD5 hash:
04a859c10d5d02c96ca478b519cd284e
SHA1 hash:
63a645062e1cba5543a0dd73bd8f9a029f635918
Link:
https://www.unpac.me/results/a4acb163-6ba1-4cf6-9eea-487973de08c1/
SH256 hash:
1e9fe4ead1434548d7c9c9b43fed8c63134a17159e0d99980ab7c6233149befe
MD5 hash:
69c5f316be3b4a3f9fc60f7a3a1605fe
SHA1 hash:
dff8d987fc00ff73f38f0f7af674177cab529110
Link:
https://www.unpac.me/results/a4acb163-6ba1-4cf6-9eea-487973de08c1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/1e9fe4ead1434548d7c9c9b43fed8c63134a17159e0d99980ab7c6233149befe

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:dsc
Create hunting rule
Author:Aaron DeVera
Description:Discord domains
Rule name:INDICATOR_KB_CERT_04f131322cc31d92c849fca351d2f141
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:MALWARE_Win_Vidar
Create hunting rule
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:Vidar
Create hunting rule
Author:kevoreilly
Description:Vidar Payload
Rule name:win_oski_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_oski_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/144434/

Comments