MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 48d338ba06ada3da080eeeddb8a267b1b677dc9c3670f13e333ec8c73ff1b02c. 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: 14
| SHA256 hash: | 48d338ba06ada3da080eeeddb8a267b1b677dc9c3670f13e333ec8c73ff1b02c |
|---|---|
| SHA3-384 hash: | da7161ce585e1fd3aca91bc3e2df60bfed0ed59573ddf4b2e56a570cecc9ca511d016d1fdb134325da0770e568d261d7 |
| SHA1 hash: | 0435a24cbc362b0e8d6dd254e001b3b6a3c1b2f6 |
| MD5 hash: | c80d1be82cad6e4f19dc43403d52f458 |
| humanhash: | snake-wolfram-arizona-friend |
| File name: | F072-01953382-ESERMUL.exe |
| Download: | download sample |
| Signature | OskiStealer |
| File size: | 526'336 bytes |
| First seen: | 2022-04-07 23:38:01 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:95TE0ZQ1/33MlVzSSt2oa5Ecsd7fZDb3BfsKh:jTEzMV5ZiEJzZXJ7h |
| Threatray | 3'920 similar samples on MalwareBazaar |
| TLSH | T1B7B4014DF76ADEE5E81E43F439718C633F22E01764AD9CBE5589562A0C2930201AFDCB |
| Reporter |  malwarelabnet |
| Tags: | exe oski OskiStealer |
Intelligence
File Origin
# of uploads :
1
# of downloads :
329
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
vidar
ID:
1
File name:
F072-01953382-ESERMUL.exe
Verdict:
Malicious activity
Analysis date:
2022-04-07 23:41:18 UTC
Tags:
trojan stealer vidar loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
DNS request
Running batch commands
Creating a process with a hidden window
Launching a tool to kill processes
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
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:
Malicious
Result
Threat name:
Oski Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Downloads files with wrong headers with respect to MIME Content-Type
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Posts data to a JPG file (protocol mismatch)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected AntiVM3
Yara detected Oski Stealer
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-07 23:38:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
20 of 26 (76.92%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 3'910 additional samples on MalwareBazaar
Result
Malware family:
oski
Score:
10/10
Tags:
family:oski infostealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Oski
Malware Config
C2 Extraction:
friktomb.cf
Unpacked files
SH256 hash:
c5b22b4ccde0c64ea3d7dd30a8f73af6c09b8962203d238a8bb5fcda1b76b2dc
MD5 hash:
4157810a99936740d285c65a0d294822
SHA1 hash:
c4b9975f9762b69a34a7f9b5fdb9c8be8ce909b2
Detections:
win_oski_g0
win_oski_auto
SH256 hash:
a30d8ce3fb582f4916d32ae545f0e2e5f5dc7cfa22b81c8218412d1c03bb6c50
MD5 hash:
ee29b8cccd59961dbf536074f4561b42
SHA1 hash:
b7578ecc9b312456d416e44bc4abecd7935218ae
SH256 hash:
a85fad4a464efbeb6f0c24d9361f0ef5d0bb4438f0aeed8ab0c78db67a1fcb2d
MD5 hash:
5f95407ec421be201a2e48548d7ce7e0
SHA1 hash:
95ca0ae32069fdd18a3dafb1acc27c2edf798ab4
SH256 hash:
e11871df824c3130e35f2c94d672404e18ebefddf3172d166f2e640ad3686c73
MD5 hash:
4379771ccd9b927712ef2505214161df
SHA1 hash:
6636b7b80e279de67c60b52277f566463afebf8e
SH256 hash:
48d338ba06ada3da080eeeddb8a267b1b677dc9c3670f13e333ec8c73ff1b02c
MD5 hash:
c80d1be82cad6e4f19dc43403d52f458
SHA1 hash:
0435a24cbc362b0e8d6dd254e001b3b6a3c1b2f6
Verdict:
Malicious
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: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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