MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9f49c654a651e509c718f73b241979aaf4611c3b4e4d84d2e95f5a9f7bce1c7. 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


DarkTortilla


Vendor detections: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9f49c654a651e509c718f73b241979aaf4611c3b4e4d84d2e95f5a9f7bce1c7
SHA3-384 hash: 8bec6417b8d93f3603f028212751c1e33680907390bd5bf9fcfe5b841517e8b9c55ff14acef8378cd96d4942a157c95b
SHA1 hash: 89d5b00493ba2c984850625a0d24b6d774281395
MD5 hash: e0c0d924a487a63d0520d0c5f8ef895d
humanhash: stream-violet-zebra-mike
File name:Chklist827273637.exe
Download: download sample
Signature DarkTortilla
Create hunting rule
File size:2'690'048 bytes
First seen:2024-08-12 18:27:07 UTC
Last seen:2024-08-14 16:21:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 24576:UjyY8G4KajOKx1GAYaRBf+9/9W6/zgfgxg/IphKx2MJBBjWK:vzGAtf6/Z0fgC/IphwrjW
Threatray 1 similar samples on MalwareBazaar
TLSH T111C595566DF62A20E803553B0FE68616375ACE3FB1414D430EAB2B90FD6D3962E347D2
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter threatcat_ch
Tags:DarkTortilla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
440
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Chklist827273637.exe
Verdict:
Suspicious activity
Analysis date:
2024-08-12 18:29:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/5deb0d5d-eb7f-48fe-a41f-070de91392ce

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.14868.3012.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66ba5435b35234d5cc65d813
Tags:
Execution Exploit Generic Network Static Stealth Heur
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Running batch commands
Creating a file
Launching a process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated vbnet
Link:
https://www.filescan.io/uploads/66ba543888a06f25a7a7d316/reports/accbde60-41a3-4e18-87ea-d1d480489932/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b9f49c654a651e509c718f73b241979aaf4611c3b4e4d84d2e95f5a9f7bce1c7
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:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e05fcf23-0a4c-43d8-a7d5-4a9dc74e8f94
Result
Threat name:
DarkCloud, DarkTortilla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1491798
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected AntiVM3
Yara detected DarkCloud
Yara detected DarkTortilla Crypter
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b9f49c654a651e509c718f73b241979aaf4611c3b4e4d84d2e95f5a9f7bce1c7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-08-12 10:35:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
33
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xh2jyzkkmupfbhdrr5z3eqmxtkxumeodwtsnqtjosx22t5544hdq._file
Verdict:
malicious
Similar samples:
b9f49c654a651e509c718f73b241979aaf4611c3b4e4d84d2e95f5a9f7bce1c7
DarkTortilla
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/240812-w4bk4atcmr/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in System32 directory
Drops startup file
Executes dropped EXE
Loads dropped DLL
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/2379469f-7d91-40ed-8205-e80b2e42b9e8
Unpacked files
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
Link:
https://www.unpac.me/results/1ec812eb-38f0-465d-b0ee-817d0b671dfe/
SH256 hash:
f7da3d2e2cd9be71b506343fa6f3912c186db9a2b369dd6e24499e31bff6acca
MD5 hash:
f9c6d5113bf8b52d121e7ed3ca7e0cd4
SHA1 hash:
d31de437762afbaaa6199d68684f8bb44705e6ca
Detections:
darkcloudstealer
Create hunting rule
Link:
https://www.unpac.me/results/1ec812eb-38f0-465d-b0ee-817d0b671dfe/
Parent samples :
d7a44f3e7bf4e4e6b5839b322a498fdbb1949955a9c6bdb12364e523a9225bb6
6c9b81415ce7f9c68b5804eec34d489290401cfd9464810a7686093f63a130fc
b9f49c654a651e509c718f73b241979aaf4611c3b4e4d84d2e95f5a9f7bce1c7
SH256 hash:
9dac8e0c184f46c9a246a11fa95c2284003e7f0355061b92303d31f5c20c6d84
MD5 hash:
f0104eb57763672dbaf72b04351c3307
SHA1 hash:
b19b30093b6bf0dd739fde922b7de753919b86ac
Link:
https://www.unpac.me/results/1ec812eb-38f0-465d-b0ee-817d0b671dfe/
SH256 hash:
b9f49c654a651e509c718f73b241979aaf4611c3b4e4d84d2e95f5a9f7bce1c7
MD5 hash:
e0c0d924a487a63d0520d0c5f8ef895d
SHA1 hash:
89d5b00493ba2c984850625a0d24b6d774281395
Link:
https://www.unpac.me/results/1ec812eb-38f0-465d-b0ee-817d0b671dfe/
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/b9f49c654a651e509c718f73b241979aaf4611c3b4e4d84d2e95f5a9f7bce1c7

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

DarkTortilla

zip e53e4c8171b99183272df470eb561281174608527a6d93b667a46e693167a391

DarkTortilla

Executable exe b9f49c654a651e509c718f73b241979aaf4611c3b4e4d84d2e95f5a9f7bce1c7

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 e53e4c8171b99183272df470eb561281174608527a6d93b667a46e693167a391
  
Dropped by
MD5 96135e57f8b6e9a8be0a2575be56147e

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

Comments