MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b9f555888df6326a6a0c7dd2c2c1c2d78bbb969c1b7d40ea0d0e9679a06bbc5. 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


ArkeiStealer


Vendor detections: 5


Intelligence 5 IOCs YARA 2 File information Comments
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SHA256 hash: 3b9f555888df6326a6a0c7dd2c2c1c2d78bbb969c1b7d40ea0d0e9679a06bbc5
SHA3-384 hash: 2047e072a7101142cf428d8cc7a9ccca84ad4be4412dcb6f1aa54d3f8f2722f0e90873e1cb59878b3e9bdaf676dc32fc
SHA1 hash: 295492a78e3cdc51d4f487f8ddbff07a4fbfdd5a
MD5 hash: bd0cccb00c2af56c6fee9d748541b370
humanhash: robin-crazy-salami-burger
File name:SecuriteInfo.com.Gen.NN.ZemsilF.34132.6q1@a4elV5i.17824
Download: download sample
Signature ArkeiStealer
Create hunting rule
File size:951'456 bytes
First seen:2020-07-11 15:23:21 UTC
Last seen:2020-08-02 07:33:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:g1UUu99JhTO1a/D/A6lbxWDDIk2VoHhwaGxONRn4dIqc1G86xDS/5rlSyFGNlO:g1WphTvUHCafR4dQf//VlrFG
Threatray 316 similar samples on MalwareBazaar
TLSH 0615AE81B1889982E81731F09C9FD620135DBFDA6239D71A3A17BB1969933336463F4F
Reporter SecuriteInfoCom
Tags:ArkeiStealer

Code Signing Certificate

Organisation:Global TMF Net Holding
Issuer:Global TMF Net Holding
Algorithm:sha1WithRSAEncryption
Valid from:Jul 9 15:59:34 2020 GMT
Valid to:Jul 10 15:59:34 2030 GMT
Serial number: 1C2653AFE027A1AE4EDEB02C4647D838
Thumbprint Algorithm:SHA256
Thumbprint: E924AE18AF8C16037E369E1DC79D206605994030AE812C90D56C2B47D555151E
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
3
# of downloads :
95
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/24776/
Detection(s):
SecuriteInfo.com.Gen.NN.ZemsilF.34132.6q1@a4elV5i.17824.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Connection attempt
Creating a file
Launching a service
Reading critical registry keys
Deleting a recently created file
Replacing files
Delayed writing of the file
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Searching for the window
Stealing user critical data
Launching a tool to kill processes
Deleting of the original file
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3b9f555888df6326a6a0c7dd2c2c1c2d78bbb969c1b7d40ea0d0e9679a06bbc5/
Threat name:
Win32.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-11 15:25:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
033741ca568e4e71a586be960e503415579b0520d2c9ecd298ed03becf406b9c
ArkeiStealer
1553300557f17e7cb62c914616267bc733854b98a0edc5215d901cc4f8e4d0f0
ArkeiStealer
1d1db9028a99d5ccfd2e898e61dd4c0fbd2b363934f0623aa9503280fa3229a9
ArkeiStealer
662df407f177b9d63dc16fe5c1068d65c8e1fbe602d05a7cae1db651179b746e
ArkeiStealer
69fe5bb4b975f9437b6c3bcf3f07dc807a8f2e848f1e0c5802012295b06a742c
ArkeiStealer
6fa66f7851bea577cc6adfda11d3225a69b7c6554f028851eddd4d23ea074a59
ArkeiStealer
7a7f8f5b41981d22a64654a713d5dfdfbe6cb5e0778364a594fbaee25efc5425
ArkeiStealer
8959562f5a87f40b9c3917a98e10d68e2c459c8df9bdd9664f615af6d5b9959e
ArkeiStealer
9c2eb5790e7874950db0e51764ba68bb4a0fa5be68b659717c73363883da0db7
ArkeiStealer
b699a2766f106ff77377780bad431b72ef1748bf989e09f2b82fb73cf30cbde3
ArkeiStealer
+ 306 additional samples on MalwareBazaar
Result
Malware family:
oski
Create hunting rule
Score:
  10/10
Tags:
infostealer family:oski spyware discovery
Link:
https://tria.ge/reports/200711-aeyxtc39xs/
Behaviour
Checks processor information in registry
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Accesses cryptocurrency wallets, possible credential harvesting
Checks for installed software on the system
Reads user/profile data of web browsers
Loads dropped DLL
oski
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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.

Web download

ArkeiStealer

Executable exe 3b9f555888df6326a6a0c7dd2c2c1c2d78bbb969c1b7d40ea0d0e9679a06bbc5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/411799/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/24776/

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