MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1853b7f39c854c19408c29f02fb13b883edcde8d61bd261cb8be0d2c8621dbe. 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


AuroraStealer


Vendor detections: 13


Intelligence 13 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1853b7f39c854c19408c29f02fb13b883edcde8d61bd261cb8be0d2c8621dbe
SHA3-384 hash: 092239896832d771ec04dc66ae9dfa3c18c6cc7aac944cfd6c05f77206cc668caa19c0a2e64079d2c2d02aaee7c27131
SHA1 hash: 164220f9706f898d33dd76435c0603ea8972d2b3
MD5 hash: 0cb1e47546d778ad888baee0f6c9b5ec
humanhash: indigo-moon-double-lithium
File name:c1853b7f39c854c19408c29f02fb13b883edcde8d61bd.exe
Download: download sample
Signature AuroraStealer
Create hunting rule
File size:5'680'128 bytes
First seen:2023-04-12 13:16:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9cbefe68f395e67356e2a5d8d1b285c0 (58 x LummaStealer, 49 x AuroraStealer, 37 x Vidar)
ssdeep 49152:BhWEaxrr2WrVovR5PUSrmVqK27r918DbJrzD2y5dzAE5ElDH73LCV0UOQJUh9qRq:daKvzHAzZhEZ32VLV+h9u6
Threatray 28 similar samples on MalwareBazaar
TLSH T10F462847F98445E4C4AED130CA659212BBB03C991F3063D73B21B7B92B77BD86A7A350
gimphash 15c280a8fe15319f93f5615f0e8d92d0712eafc7ccabaf84e668e4c6f110443f
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Reporter abuse_ch
Tags:AuroraStealer exe


Avatar
abuse_ch
AuroraStealer C2:
104.248.91.138:456

Intelligence

File Origin
# of uploads :
1
# of downloads :
332
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c1853b7f39c854c19408c29f02fb13b883edcde8d61bd.exe
Verdict:
Malicious activity
Analysis date:
2023-04-12 13:18:45 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e9e40ee4-6e2b-4198-9469-964f982036ec

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/381836/
Detection(s):
SecuriteInfo.com.Variant.Kryptik.211.16799.22373.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Launching a process
Creating a file
Creating a file in the %temp% subdirectories
Running batch commands
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/77616/overview
Behaviour
MalwareBazaar
CPUID_Instruction
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
golang greyware meterpreter ransomx
Link:
https://www.filescan.io/uploads/6436af509a8124d5f0e1c65c/reports/be88fa12-8538-42f4-b5ea-ed952803b3b9/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/c1853b7f39c854c19408c29f02fb13b883edcde8d61bd261cb8be0d2c8621dbe
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:
Kraken
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2a1a7efa-b1f0-4358-a989-7540bded36ce
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1212573
Signature
Creates multiple autostart registry keys
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 845493 Sample: c1853b7f39c854c19408c29f02f... Startdate: 12/04/2023 Architecture: WINDOWS Score: 68 61 Snort IDS alert for network traffic 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 Machine Learning detection for sample 2->65 7 c1853b7f39c854c19408c29f02fb13b883edcde8d61bd.exe 2 4 2->7         started        12 runtime.exe 1 3 2->12         started        14 runtime.exe 2->14         started        16 6 other processes 2->16 process3 dnsIp4 59 104.248.91.138, 456, 49693, 49695 DIGITALOCEAN-ASNUS United States 7->59 55 C:\Users\user\AppData\Roaming\...\runtime.exe, PE32+ 7->55 dropped 69 Creates multiple autostart registry keys 7->69 18 powershell.exe 7 7->18         started        21 powershell.exe 7 7->21         started        23 cmd.exe 1 7->23         started        57 C:\Users\user\AppData\Local\...\runtime.exe, PE32+ 12->57 dropped 25 powershell.exe 12->25         started        27 cmd.exe 1 14->27         started        29 cmd.exe 1 16->29         started        31 cmd.exe 1 16->31         started        33 cmd.exe 16->33         started        35 3 other processes 16->35 file5 signatures6 process7 signatures8 67 Uses schtasks.exe or at.exe to add and modify task schedules 18->67 39 2 other processes 18->39 41 2 other processes 21->41 43 2 other processes 23->43 37 conhost.exe 25->37         started        45 2 other processes 27->45 47 2 other processes 29->47 49 2 other processes 31->49 51 2 other processes 33->51 53 6 other processes 35->53 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c1853b7f39c854c19408c29f02fb13b883edcde8d61bd261cb8be0d2c8621dbe/
Threat name:
Win64.Spyware.Aurorastealer
Create hunting rule
Status:
Malicious
First seen:
2023-04-12 13:17:08 UTC
File Type:
PE+ (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ygctw7zzzbkmdfaiykpqf6ytxcb63tpi2yn5eyolrpqnfsdcdw7a._file
Verdict:
malicious
Similar samples:
24c485ecb00d9d6ed8c12fb7a3162169cb1b666ab9a90eb3c1bcdf8dd8c40df4
AuroraStealer
7346cbcf43050e88c5e75cd08656b6da4c4db4c07c72c9888f0cee37a2f21c97
AuroraStealer
911bbfc7ff5d4eb83d8c0f402f79cefaa2afe7f11f29ff4572189b9d973d58bc
AuroraStealer
94d2ad113de21287251ed4ac1faed0cc6119cb5c3a4734cc7ac6583e01e708f0
AuroraStealer
9c27c7e2d15ee3728d0ab72f260bfd55527ac3d68c5502bb2aaa1d1faa397465
AuroraStealer
a9f667f44379b2adb0b92a434c47aaf5cc36fac467fd015dc38ef68598fe7952
AuroraStealer
e3cb48e5a91062c073844676d319598ced84650b3f8a0df01da752b6a585094f
AuroraStealer
e4d521e8c1f8bc496fe8fcdf2e083f0ab341696723586c83c12c5b13013843c3
AuroraStealer
f22438602ba14721a94cb6adf773a302fb4c1127279a105c9e35ab429ef2c856
AuroraStealer
+ 18 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/230412-qjdl3ace78/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
c1853b7f39c854c19408c29f02fb13b883edcde8d61bd261cb8be0d2c8621dbe
MD5 hash:
0cb1e47546d778ad888baee0f6c9b5ec
SHA1 hash:
164220f9706f898d33dd76435c0603ea8972d2b3
Link:
https://www.unpac.me/results/c9952be1-a488-46ce-8165-df1e6756359a/
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/c1853b7f39c854c19408c29f02fb13b883edcde8d61bd261cb8be0d2c8621dbe

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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:yara_template
Create hunting rule

File information

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

Web download

AuroraStealer

Executable exe c1853b7f39c854c19408c29f02fb13b883edcde8d61bd261cb8be0d2c8621dbe

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/381836/
  
URLhaus
https://urlhaus.abuse.ch/url/2607223/
  
Delivery method
Distributed via web download

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