MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 eb639e9d45ed4d4cf911195b7ef53d61897dd8f826c542ae411854ddec3aea87. 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
Gozi
Vendor detections: 7
| SHA256 hash: | eb639e9d45ed4d4cf911195b7ef53d61897dd8f826c542ae411854ddec3aea87 |
|---|---|
| SHA3-384 hash: | 30cb470534e56d3db093d02617394d5d7a744add401ddb67d984d15fb458e3d858746504b5020eed72bb4aab3154646e |
| SHA1 hash: | 9a642c22ebc19f4f8063b5ae986843916309b95a |
| MD5 hash: | a3aa691bc97faf6f17eec0841b5ff730 |
| humanhash: | carpet-louisiana-tennessee-johnny |
| File name: | a3aa691bc97faf6f17eec0841b5ff730.dll |
| Download: | download sample |
| Signature | Gozi |
| File size: | 1'094'144 bytes |
| First seen: | 2021-04-18 07:37:11 UTC |
| Last seen: | 2021-04-18 08:53:44 UTC |
| File type: |  dll |
| MIME type: | application/x-dosexec |
| imphash | 311eb3276aa89abb7c1fb493855050ac (1 x Gozi) |
| ssdeep | 24576:yM7rd0PBLf2gYwRIHC/0D5XKt2XsCxpZw4p:mEIMD5X/8Y8 |
| Threatray | 443 similar samples on MalwareBazaar |
| TLSH | 2235AED23FA38C56F96E2B3518175051EE167EB88F38B3CF2DC915CA052D58B8EB0616 |
| Reporter |  abuse_ch |
| Tags: | dll Gozi isfb Ursnif |
Intelligence
File Origin
# of uploads :
2
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Creating a file
Searching for the window
Creating a file in the %AppData% subdirectories
Launching a process
Unauthorized injection to a browser process
Creating a window
Creating a process with a hidden window
Setting browser functions hooks
Deleting of the original file
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.
Result
Threat name:
Gozi Ursnif
Detection:
malicious
Classification:
bank.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Changes memory attributes in foreign processes to executable or writable
Creates a thread in another existing process (thread injection)
Detected Gozi e-Banking trojan
Disables SPDY (HTTP compression, likely to perform web injects)
Found Tor onion address
Hooks registry keys query functions (used to hide registry keys)
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for sample
Maps a DLL or memory area into another process
May check the online IP address of the machine
Modifies the context of a thread in another process (thread injection)
Modifies the export address table of user mode modules (user mode EAT hooks)
Modifies the import address table of user mode modules (user mode IAT hooks)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to steal Mail credentials (via file access)
Uses nslookup.exe to query domains
Writes to foreign memory regions
Yara detected Ursnif
Behaviour
Behavior Graph:
Gathering data
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 433 additional samples on MalwareBazaar
Result
Malware family:
gozi_ifsb
Score:
10/10
Tags:
family:gozi_ifsb botnet:1000 banker persistence trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Gozi, Gozi IFSB
Malware Config
C2 Extraction:
http://ey7kuuklgieop2pq.onion
http://shoshanna.at
http://buismashallah.at
http://shoshanna.at
http://buismashallah.at
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: | Email_stealer_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Email in files like avemaria |
| Rule name: | Ursnif |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Ursnif(a.k.a. Dreambot, Gozi, ISFB) in memory |
| Reference: | internal research |
| Rule name: | win_dreambot_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
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) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
1) [C0027.009] Cryptography Micro-objective::RC4::Encrypt Data
2) [C0021.004] Cryptography Micro-objective::RC4 PRGA::Generate Pseudo-random Sequence
3) [C0052] File System Micro-objective::Writes File
4) [C0040] Process Micro-objective::Allocate Thread Local Storage
5) [C0043] Process Micro-objective::Check Mutex
6) [C0041] Process Micro-objective::Set Thread Local Storage Value
7) [C0018] Process Micro-objective::Terminate Process