MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 77d69fc2f79de7f28dfe67e4cb6b7fa1e994a2a16831fd918d3dca53a523f2c1. 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
QuasarRAT
Vendor detections: 8
| SHA256 hash: | 77d69fc2f79de7f28dfe67e4cb6b7fa1e994a2a16831fd918d3dca53a523f2c1 |
|---|---|
| SHA3-384 hash: | 788449ab6bcc0c3479a584c2927d2f6492356b491b51aaf174892581c875d80d146040b5597b7b1fbe05267e14f9dd03 |
| SHA1 hash: | ac90fcd391756058abf7889ca470111589e724e5 |
| MD5 hash: | a27777ab990ed4f11b0640212f1d8147 |
| humanhash: | march-missouri-football-nineteen |
| File name: | 4090800000.exe |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 542'676 bytes |
| First seen: | 2021-05-05 12:55:22 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ea4e67a31ace1a72683a99b80cf37830 (70 x Formbook, 63 x GuLoader, 54 x Loki) |
| ssdeep | 6144:PPXvo8TG5+uUN1/hfdYnKJ13XvxHl+lGbdbEvygJt8zflssmm:7i5YNdhwKbvxhdbEiz9Om |
| Threatray | 5'185 similar samples on MalwareBazaar |
| TLSH | B9B4A7D1F190C8DAED6B09F1AD2BA93024D7BE9C54A4410C569DBB1B76F3342209FE1E |
| Reporter |  abuse_ch |
| Tags: | exe QuasarRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Detection:
StormKitty
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a file
Creating a file in the %AppData% subdirectories
Sending a UDP request
Creating a window
Setting a keyboard event handler
Launching a process
Reading critical registry keys
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Creating a process from a recently created file
Creating a process with a hidden window
Deleting a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a system process
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.
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-05-05 12:56:08 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 5'175 additional samples on MalwareBazaar
Result
Malware family:
stormkitty
Score:
10/10
Tags:
family:stormkitty persistence spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Loads dropped DLL
Reads local data of messenger clients
Reads user/profile data of web browsers
Executes dropped EXE
StormKitty
StormKitty Payload
Unpacked files
SH256 hash:
0ae0326b7dd2a77efec7734dafd8041e69e0bb4cd2bc7eb0781c1276e5b91a96
MD5 hash:
c77919ec04ee99dbb286e17982d5ac99
SHA1 hash:
8e38c876dbb8bc0c6aa9b8d13d30f6f1842a1409
SH256 hash:
77d69fc2f79de7f28dfe67e4cb6b7fa1e994a2a16831fd918d3dca53a523f2c1
MD5 hash:
a27777ab990ed4f11b0640212f1d8147
SHA1 hash:
ac90fcd391756058abf7889ca470111589e724e5
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
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: | Email_stealer_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Email in files like avemaria |
| Rule name: | INDICATOR_SUSPICIOUS_Binary_References_Browsers |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_Referenfces_Messaging_Clients |
|---|---|
| Author: | @ditekSHen |
| Description: | Detects executables referencing many email and collaboration clients. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | MALWARE_Win_StormKitty |
|---|---|
| Author: | ditekSHen |
| Description: | Detects StormKitty infostealer |
| Rule name: | pe_imphash |
|---|
| Rule name: | Quasar_RAT_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Quasar RAT |
| Reference: | https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf |
| Rule name: | Select_from_enumeration |
|---|---|
| Author: | James_inthe_box |
| Description: | IP and port combo |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Stealer_word_in_memory |
|---|---|
| Author: | James_inthe_box |
| Description: | The actual word stealer in memory |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
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MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0032.001] Data Micro-objective::CRC32::Checksum
1) [C0026.002] Data Micro-objective::XOR::Encode Data
4) [C0046] File System Micro-objective::Create Directory
5) [C0048] File System Micro-objective::Delete Directory
6) [C0047] File System Micro-objective::Delete File
7) [C0049] File System Micro-objective::Get File Attributes
8) [C0051] File System Micro-objective::Read File
9) [C0050] File System Micro-objective::Set File Attributes
10) [C0052] File System Micro-objective::Writes File
11) [E1510] Impact::Clipboard Modification
12) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
13) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
14) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
15) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
16) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
17) [C0017] Process Micro-objective::Create Process
18) [C0038] Process Micro-objective::Create Thread