MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54ee265c54296cc6ac3ce087daddc93e4cf907f218b158bd5e41192303f23479. 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


DarkCloud


Vendor detections: 17


Intelligence 17 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 54ee265c54296cc6ac3ce087daddc93e4cf907f218b158bd5e41192303f23479
SHA3-384 hash: e0a2b85cebc22d4db86828e1611f6205cf5c06e07ec8f0e2dcfb49a3c4e511dab44cd7546ebfd8ad20b08eb4d0c099f7
SHA1 hash: d0ee268727799d8656abc332185b9f2272c8fc53
MD5 hash: 85188472721016560ab6aba6339055c8
humanhash: blossom-april-aspen-network
File name:Halkbank_Ekstre_20250303_088957_78545287.pdf.exe
Download: download sample
Signature DarkCloud
Create hunting rule
File size:860'672 bytes
First seen:2025-03-04 09:29:36 UTC
Last seen:2025-03-04 10:51:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:fBilzazVZyrHtZGw+/JdQUtSmjl6zvTFie0oaC:fBizazVZaGw+j1ku8vTFz0oaC
TLSH T16A0512987209DB07C5A897F45932F67413BC5EEDA802E7129FCD9DEBBE76B100840693
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter abuse_ch
Tags:DarkCloud exe geo Halkbank TUR

Intelligence

File Origin
# of uploads :
2
# of downloads :
463
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Halkbank_Ekstre_20250303_088957_78545287.pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-03-04 10:15:47 UTC
Tags:
stealer upx crypto-regex darkcloud
Link:
https://app.any.run/tasks/58583956-8c42-4fa7-bb80-1f85d96abf49

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.14535.2913.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67c6c926c668b65489bee9f8
Tags:
underscore micro shell msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Using the Windows Management Instrumentation requests
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67c6c8444a3011c802c70145/reports/ab8079c8-48fb-46c3-866e-dfddd095327f/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/54ee265c54296cc6ac3ce087daddc93e4cf907f218b158bd5e41192303f23479
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:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c9ca211d-0139-431c-b30d-9e998eacff1e
Result
Threat name:
DarkCloud
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1629032
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension File Execution
Tries to harvest and steal browser information (history, passwords, etc)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes or reads registry keys via WMI
Yara detected AntiVM3
Yara detected DarkCloud
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1629032 Sample: Halkbank_Ekstre_20250303_08... Startdate: 04/03/2025 Architecture: WINDOWS Score: 100 44 ftp.condormalta.com 2->44 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 Sigma detected: Scheduled temp file as task from temp location 2->52 54 11 other signatures 2->54 8 Halkbank_Ekstre_20250303_088957_78545287.pdf.exe 7 2->8         started        12 hrfyTAEhK.exe 5 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\Roaming\hrfyTAEhK.exe, PE32 8->36 dropped 38 C:\Users\...\hrfyTAEhK.exe:Zone.Identifier, ASCII 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmp74CF.tmp, XML 8->40 dropped 42 Halkbank_Ekstre_20...8545287.pdf.exe.log, ASCII 8->42 dropped 56 Uses schtasks.exe or at.exe to add and modify task schedules 8->56 58 Adds a directory exclusion to Windows Defender 8->58 60 Writes or reads registry keys via WMI 8->60 14 powershell.exe 23 8->14         started        17 powershell.exe 23 8->17         started        19 Halkbank_Ekstre_20250303_088957_78545287.pdf.exe 17 8->19         started        22 schtasks.exe 1 8->22         started        62 Antivirus detection for dropped file 12->62 64 Multi AV Scanner detection for dropped file 12->64 24 hrfyTAEhK.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 66 Loading BitLocker PowerShell Module 14->66 28 conhost.exe 14->28         started        30 conhost.exe 17->30         started        46 ftp.condormalta.com 109.203.125.117, 21, 30003, 30408 NODE4-ASGB United Kingdom 19->46 32 conhost.exe 22->32         started        68 Tries to harvest and steal browser information (history, passwords, etc) 24->68 34 conhost.exe 26->34         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/54ee265c54296cc6ac3ce087daddc93e4cf907f218b158bd5e41192303f23479
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/54ee265c54296cc6ac3ce087daddc93e4cf907f218b158bd5e41192303f23479/
Threat name:
ByteCode-MSIL.Trojan.DarkCloudSteal
Create hunting rule
Status:
Malicious
First seen:
2025-03-03 07:51:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ktxcmxcuffwmnlb44cd5vxojhzgpsb7sdcyvrpk6iemsga7sgr4q._file
Verdict:
malicious
Label(s):
darkcloudstealer
Create hunting rule
loader_037
Create hunting rule
Similar samples:
error
DarkCloud
Result
Malware family:
darkcloud
Create hunting rule
Score:
  10/10
Tags:
family:darkcloud discovery execution spyware stealer upx
Link:
https://tria.ge/reports/250304-lgs7hsxn13/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
UPX packed file
ACProtect 1.3x - 1.4x DLL software
Checks computer location settings
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
DarkCloud
Darkcloud family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/91f69dc3-7462-45b9-ab1b-2b95d7ccd88f
Unpacked files
SH256 hash:
54ee265c54296cc6ac3ce087daddc93e4cf907f218b158bd5e41192303f23479
MD5 hash:
85188472721016560ab6aba6339055c8
SHA1 hash:
d0ee268727799d8656abc332185b9f2272c8fc53
Link:
https://www.unpac.me/results/4f55577a-0c2e-4a72-aced-4d21dce36d72/
SH256 hash:
f36edbb447f357f60439e5e150758de1fb6b3cda1e16f9bdf7f8b8f204e8af12
MD5 hash:
ae8c80b72899c81245a3654161767b81
SHA1 hash:
06d2c865a3ba02c9e52ec6483513a159627df317
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/4f55577a-0c2e-4a72-aced-4d21dce36d72/
SH256 hash:
0e6dbd2f027f9f8ba05e09099888aa9f98db5f1ce1038f0e5451201d9ada7e6f
MD5 hash:
c27a76ff06dd280c01533dfed134709a
SHA1 hash:
0f446823cc3801259d59280bd2d13267e5b91251
Link:
https://www.unpac.me/results/4f55577a-0c2e-4a72-aced-4d21dce36d72/
SH256 hash:
f91ebef747bea3eafcc3a2d820d73daa3fec1f6498d460092d09fe42ecd058aa
MD5 hash:
0da8c32f1221b292c16dc6a7ae44ddc9
SHA1 hash:
d5db112f3625508cdd355a16f276da141fc63d59
Detections:
darkcloudstealer
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_CC_Regex
Create hunting rule
MALWARE_Win_DarkCloud
Create hunting rule
Link:
https://www.unpac.me/results/4f55577a-0c2e-4a72-aced-4d21dce36d72/
Parent samples :
54ee265c54296cc6ac3ce087daddc93e4cf907f218b158bd5e41192303f23479
f18d276ce3ec088f6d446e409489bad5c9b613d6c1f10a6538724749c7cf2af6
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
Link:
https://www.unpac.me/results/4f55577a-0c2e-4a72-aced-4d21dce36d72/
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/54ee265c54296cc6ac3ce087daddc93e4cf907f218b158bd5e41192303f23479

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

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 (HIGH_ENTROPY_VA)high

Comments