🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef73952702d81d9599d64e7980834cd6becf3d7d8f8bd3b51bca94e8049b599d. 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: 10


Intelligence 10 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef73952702d81d9599d64e7980834cd6becf3d7d8f8bd3b51bca94e8049b599d
SHA3-384 hash: f3ff505b5b04464e7007840b23e21fb2a537f19934796a9b03a59fe6958c072e3debf0f6816de92dd0cc450886210b62
SHA1 hash: b3ce8cc6a34f92cc41450c33ef448c667aaa15a8
MD5 hash: 740b5d37417003708e0f273733535c01
humanhash: london-triple-georgia-winner
File name:LisectAVT_2403002C_38.dll
Download: download sample
Signature Gozi
Create hunting rule
File size:435'211 bytes
First seen:2024-07-25 01:47:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a70ceb19dcecfe96ba384e8ae70efcb7 (1 x Gozi)
ssdeep 6144:9I34yb5apnrPnPQgY1INa6shJYP62aHYoa4AhdNorGvHdbi09GJwhO:9IIyNIr0ml2JY/aHYo7AHhly
Threatray 1 similar samples on MalwareBazaar
TLSH T1BD94AE66F3A002A5D86B917DC9539737E3F1742887A0834722A4DBBD2F43771A32E356
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter Anonymous
Tags:exe Gozi


Avatar
Anonymous
this malware sample is very nasty!

Intelligence

File Origin
# of uploads :
1
# of downloads :
385
Origin country :
CN CN
Vendor Threat Intelligence
Detection(s):
Win.Malware.Ursnif-9937853-0
Create hunting rule

Win.Trojan.Dreambot-6336208-1
Create hunting rule

Gathering data
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
explorer lolbin masquerade microsoft_visual_cc overlay packed shell32 ursnif
Link:
https://www.filescan.io/uploads/66a1aee05568402317156494/reports/db445e27-5e20-479a-a0a8-40fea2d40c11/overview
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1481350
Behaviour
Behavior Graph:
n/a
Score:
81%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ef73952702d81d9599d64e7980834cd6becf3d7d8f8bd3b51bca94e8049b599d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef73952702d81d9599d64e7980834cd6becf3d7d8f8bd3b51bca94e8049b599d/
Threat name:
Win64.Trojan.Ursnif
Create hunting rule
Status:
Malicious
First seen:
2024-07-25 01:48:14 UTC
File Type:
PE+ (Dll)
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=55zzkjyc3aozlgowjz4yba2m227m6pl5r6f5hni3zkkoqbe3lgoq._file
Verdict:
malicious
Label(s):
gozi
Create hunting rule
Similar samples:
ef73952702d81d9599d64e7980834cd6becf3d7d8f8bd3b51bca94e8049b599d
Gozi
Result
Malware family:
gozi
Create hunting rule
Score:
  10/10
Tags:
family:gozi banker trojan
Link:
https://tria.ge/reports/240725-b78psa1crl/
Behaviour
Gozi
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b23c37bc-34d5-44e8-9003-63ba176069c7
Unpacked files
SH256 hash:
ef73952702d81d9599d64e7980834cd6becf3d7d8f8bd3b51bca94e8049b599d
MD5 hash:
740b5d37417003708e0f273733535c01
SHA1 hash:
b3ce8cc6a34f92cc41450c33ef448c667aaa15a8
Detections:
win_isfb_auto
Create hunting rule
Ursnif
Create hunting rule
Link:
https://www.unpac.me/results/f66394c0-ab73-48ad-830c-2f46180fc872/
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:adonunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:malware_Ursnif_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Ursnif(a.k.a. Dreambot, Gozi, ISFB) in memory
Reference:internal research
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Ursnif
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Ursnif(a.k.a. Dreambot, Gozi, ISFB) in memory
Reference:internal research
Rule name:win_isfb_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.isfb.

File information

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

Malspam

Gozi

Executable exe ef73952702d81d9599d64e7980834cd6becf3d7d8f8bd3b51bca94e8049b599d

(this sample)

  
Link
https://bbs.kafan.cn/forum-31-1.html
  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
KERNEL_APIManipulates Windows Kernel & Driversntdll.dll::ZwQueryKey
ntdll.dll::ZwClose
MULTIMEDIA_APICan Play MultimediaAVIFIL32.dll::AVIFileCreateStreamA
AVIFIL32.dll::AVIFileExit
AVIFIL32.dll::AVIFileInit
AVIFIL32.dll::AVIFileOpenA
AVIFIL32.dll::AVIFileRelease
AVIFIL32.dll::AVIMakeCompressedStream
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateRemoteThread
KERNEL32.dll::CreateProcessW
KERNEL32.dll::CreateProcessA
ntdll.dll::ZwOpenProcess
ntdll.dll::ZwOpenProcessToken
KERNEL32.dll::OpenProcess
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
ntdll.dll::NtQuerySystemInformation
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileMappingA
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
KERNEL32.dll::GetComputerNameW

Comments