MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 091cab51d77f769c9e40adc8e2a475988f022c5d7b679bcd0aed24c4a95ef1e6. 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


Threat unknown


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 091cab51d77f769c9e40adc8e2a475988f022c5d7b679bcd0aed24c4a95ef1e6
SHA3-384 hash: 64fbb7d494f079923c4d434540f4cfea339268f8e97878eaf7b03162f135be13cf4e809891e030d853dcba22dd4689cb
SHA1 hash: 7d2503cec2eb611d23293657387c3b79eedb2eea
MD5 hash: 4d40d90f8bb645e5af06593608a1f21d
humanhash: pasta-bacon-queen-uniform
File name:ann.dll
Download: download sample
File size:38'912 bytes
First seen:2024-08-05 08:56:44 UTC
Last seen:2024-08-05 09:32:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash caf38daefab29cfad89407d623eabb48
ssdeep 384:U14J0Ulx958Bg3o6p9U9b0wwpyuXJoJz9QMmn0r0qmMXfd+5b7If/+s9Xu1:UCaUlxoBgM943yuXJogKvY5A+
TLSH T13203CA46EFA600C4F6BAC17AD4633A2BF97075748221B74747B5592A1F21BBB933D380
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 lontze7

Intelligence

File Origin
# of uploads :
3
# of downloads :
96
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ann.dll
Verdict:
No threats detected
Analysis date:
2024-08-05 09:06:50 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5a32a02a-ab91-4d61-b402-4e48fab4b62f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66b093e3037b02d0daedabbb
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-vm masquerade microsoft_visual_cc
Link:
https://www.filescan.io/uploads/66b093e299ea8891b1911aad/reports/cd3c1bc5-7b10-498e-b2d0-5a49cb5ca242/overview
Verdict:
Malicious
Labled as:
Trojan.LsassDump.D.Generic
Link:
https://www.hybrid-analysis.com/sample/091cab51d77f769c9e40adc8e2a475988f022c5d7b679bcd0aed24c4a95ef1e6
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/b53813fc-064d-4b25-b238-16eca2c73176
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1487879
Signature
AI detected suspicious sample
Found direct / indirect Syscall (likely to bypass EDR)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1487879 Sample: ann.dll.exe Startdate: 05/08/2024 Architecture: WINDOWS Score: 48 18 AI detected suspicious sample 2->18 7 loaddll64.exe 1 2->7         started        process3 signatures4 20 Found direct / indirect Syscall (likely to bypass EDR) 7->20 10 cmd.exe 1 7->10         started        12 rundll32.exe 1 7->12         started        14 conhost.exe 7->14         started        process5 process6 16 rundll32.exe 10->16         started       
Score:
3%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/091cab51d77f769c9e40adc8e2a475988f022c5d7b679bcd0aed24c4a95ef1e6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/091cab51d77f769c9e40adc8e2a475988f022c5d7b679bcd0aed24c4a95ef1e6/
Threat name:
Win64.Trojan.CobaltStrike
Create hunting rule
Status:
Malicious
First seen:
2024-08-05 08:57:06 UTC
File Type:
PE+ (Dll)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=beokwuoxp53jzhsavxeofjdvtchqelc5pntzxtik5usmjkk66hta._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/240805-kwky1s1hlj/
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f4b46d7a-4967-4bc5-8a3d-b770d29a7290
Unpacked files
SH256 hash:
091cab51d77f769c9e40adc8e2a475988f022c5d7b679bcd0aed24c4a95ef1e6
MD5 hash:
4d40d90f8bb645e5af06593608a1f21d
SHA1 hash:
7d2503cec2eb611d23293657387c3b79eedb2eea
Detections:
potential_termserv_dll_replacement
Create hunting rule
Link:
https://www.unpac.me/results/a0e1c590-0123-443d-a65f-6a45d6009dfd/
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/091cab51d77f769c9e40adc8e2a475988f022c5d7b679bcd0aed24c4a95ef1e6

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Web download

Executable exe 091cab51d77f769c9e40adc8e2a475988f022c5d7b679bcd0aed24c4a95ef1e6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3090159/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3090156/

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW

Comments