MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b99842b985a6f2f3f6143250917607ccef271d03b631331fa498d7a2b1caa7a1. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b99842b985a6f2f3f6143250917607ccef271d03b631331fa498d7a2b1caa7a1
SHA3-384 hash: 40a63098fa1e1291350e31c1a1d8037e3739137a1aa2784f6bf3b0d42de9786b8874166018f38c37e76b47252d79ea8c
SHA1 hash: 352e285d044720c51b9eae39f8f70fba8b2d11fd
MD5 hash: 6a3154595de5779cf6f0facb0c8c3cec
humanhash: wisconsin-paris-louisiana-don
File name:6a3154595de5779cf6f0facb0c8c3cec
Download: download sample
Signature DarkCloud
Create hunting rule
File size:419'000 bytes
First seen:2023-07-18 04:49:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 12288:vYyqocAaqRCT9ulR8RMnQ6YC61QtQHjUrud+lH8Q1omB6JqW:vYynpam09BRMjYC3Ql+lHv6mB6kW
Threatray 38 similar samples on MalwareBazaar
TLSH T1F9942264B351D4B3ED2A07763C615B5736CBE42245B4BB43278C5F0EBA36282DB0DBA4
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 DarkCloud exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
351
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6a3154595de5779cf6f0facb0c8c3cec
Verdict:
Malicious activity
Analysis date:
2023-07-18 04:51:55 UTC
Tags:
darkcloud
Link:
https://app.any.run/tasks/ce31aa59-05e8-4915-94ae-15eb1eb244ad

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/423199/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.14869.32095.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/64b619fda09960069744f8ee/reports/7d5aeb48-59e2-42be-ab46-b83f8edbde5c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b99842b985a6f2f3f6143250917607ccef271d03b631331fa498d7a2b1caa7a1
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/4fa4299a-51cd-4d54-8296-45266a27e4ed
Result
Threat name:
DarkCloud, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1274836
Signature
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to harvest and steal browser information (history, passwords, etc)
Writes or reads registry keys via WMI
Yara detected DarkCloud
Yara detected Generic Dropper
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1274836 Sample: 2bubPV4Ctc.exe Startdate: 18/07/2023 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Antivirus detection for dropped file 2->35 37 Multi AV Scanner detection for dropped file 2->37 39 6 other signatures 2->39 6 fireplough.exe 18 2->6         started        10 2bubPV4Ctc.exe 18 2->10         started        12 fireplough.exe 18 2->12         started        process3 file4 25 C:\Users\user\AppData\Local\...\yyfxwt.dll, PE32 6->25 dropped 43 Multi AV Scanner detection for dropped file 6->43 45 Detected unpacking (changes PE section rights) 6->45 47 Detected unpacking (overwrites its own PE header) 6->47 55 2 other signatures 6->55 14 fireplough.exe 15 6->14         started        27 C:\Users\user\AppData\Local\...\yyfxwt.dll, PE32 10->27 dropped 49 May check the online IP address of the machine 10->49 51 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 10->51 53 Maps a DLL or memory area into another process 10->53 17 2bubPV4Ctc.exe 1 17 10->17         started        29 C:\Users\user\AppData\Local\...\yyfxwt.dll, PE32 12->29 dropped 20 fireplough.exe 15 12->20         started        signatures5 process6 dnsIp7 31 showip.net 162.55.60.2, 49690, 49691, 49695 ACPCA United States 17->31 23 C:\Users\user\AppData\...\fireplough.exe, PE32 17->23 dropped 41 Tries to harvest and steal browser information (history, passwords, etc) 20->41 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b99842b985a6f2f3f6143250917607ccef271d03b631331fa498d7a2b1caa7a1/
Threat name:
Win32.Trojan.Nemesis
Create hunting rule
Status:
Malicious
First seen:
2023-07-17 16:54:22 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xgmefomfu3zph5qugjijc5qhztxsohidwyytgh5etdl2fmoku6qq._file
Verdict:
malicious
Similar samples:
081d698ce05d76d8762d9f725143095a0c3ee39a663c08e4523e951dfab93507
DarkCloud
1f86f42e9b3f949288c425fb5e3a57a6977a0c529e129a84a9c1935e4a2a2482
DarkCloud
2150f0caeac604ff6b396c3cf863dab727dca9b3c996a7a2aa7e5ea78d0bdae3
DarkCloud
36d0c8e58fabe82307b7b36444e075f5dccd1a57e7b73551d335f76645b11274
DarkCloud
42ef434d4f2fbb1d7dcc088b49c7fd18b15a5cc6871d3b03126071f2981de33f
DarkCloud
43b0616d8f71811739454e94f8a91e47dfd51e0d30a38c7a90f78feb6b177556
DarkCloud
6923fdc205daf214ddfdcfc83f398da7646f48d4c3e432b7df373a2d2f5ba1ba
DarkCloud
89787eecba81c6d44901dcc74adc393548414b4e1c7f642f0fbe4a9ccfba039a
DarkCloud
a345d0b822b2ef2baffe88fc7084aa72e4bc90444337cd5bf7b828a94dbe805e
DarkCloud
+ 28 additional samples on MalwareBazaar
Result
Malware family:
darkcloud
Create hunting rule
Score:
  10/10
Tags:
family:darkcloud stealer
Link:
https://tria.ge/reports/230718-ff9vzsgd26/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
DarkCloud
Unpacked files
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
Link:
https://www.unpac.me/results/09337a64-d07d-49dd-8277-4a4911e702b5/
SH256 hash:
318150272f59ea96815bb849e2822d2eb8cc827ac707359b6fef7f0745928c31
MD5 hash:
e6e54fbf929aea713a8fcfdf0d035043
SHA1 hash:
73514f8f6b63b19c12c36f750fe0c65c3a9e016c
Link:
https://www.unpac.me/results/09337a64-d07d-49dd-8277-4a4911e702b5/
SH256 hash:
411084550a8efe683ef058141984927f84c360d9607dec0307b0a9b2f4017fea
MD5 hash:
a2d165205bf8c51c8069d9a8c9c16f8e
SHA1 hash:
24c9a2bfde6f5cc4ab445f9e74b6d7ba2731f07c
Detections:
darkcloudstealer_loader
Create hunting rule
Link:
https://www.unpac.me/results/09337a64-d07d-49dd-8277-4a4911e702b5/
Parent samples :
b99842b985a6f2f3f6143250917607ccef271d03b631331fa498d7a2b1caa7a1
084e6af7f798500eaf2e9f11ccce06d70cde7d1cd2b8c9c02846f58b5ccce973
SH256 hash:
b99842b985a6f2f3f6143250917607ccef271d03b631331fa498d7a2b1caa7a1
MD5 hash:
6a3154595de5779cf6f0facb0c8c3cec
SHA1 hash:
352e285d044720c51b9eae39f8f70fba8b2d11fd
Link:
https://www.unpac.me/results/09337a64-d07d-49dd-8277-4a4911e702b5/
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/b99842b985a6f2f3f6143250917607ccef271d03b631331fa498d7a2b1caa7a1

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:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Web download

DarkCloud

Executable exe b99842b985a6f2f3f6143250917607ccef271d03b631331fa498d7a2b1caa7a1

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/423199/
  
URLhaus
https://urlhaus.abuse.ch/url/2684888/

Comments


Avatar
zbet commented on 2023-07-18 04:49:54 UTC

url : hxxp://107.175.202.150/50/win32.exe