MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13a92deca1571c4f68a63ffedff856413d5ae4a8d965df859fb17cbb13cda841. 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: 11


Intelligence 11 IOCs YARA File information Comments

SHA256 hash: 13a92deca1571c4f68a63ffedff856413d5ae4a8d965df859fb17cbb13cda841
SHA3-384 hash: 4a96745f365335ba0d2a485708d1d7312128d945866ec1ce062f47b133e8af0acf4ec77b45ab25a734fa5994750b0bd2
SHA1 hash: a75d1726a5c2219ea78b3e4efb5254072c9b43cd
MD5 hash: fed3ea14098beb668abc77925d13cbdd
humanhash: thirteen-enemy-sodium-thirteen
File name:Dekont_20221215122557199,PDF.z.exe
Download: download sample
Signature DarkCloud
File size:604'039 bytes
First seen:2022-12-21 12:38:51 UTC
Last seen:2023-01-01 18:57:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 97318da386948415d08cef4a9006d669 (71 x Formbook, 35 x SnakeKeylogger, 26 x AgentTesla)
ssdeep 12288:bgOxwrnq/emNKzb9SZayIW6Po8nPfs13I9Ef:bEKloI/onPEtf
Threatray 89 similar samples on MalwareBazaar
TLSH T13AD4E181329444B1DC7AD333A722E107CE2EAFE46BF4D55E22C13B9D3376588C6DA256
TrID 92.7% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 8879f098cae060f2 (15 x AgentTesla, 7 x Formbook, 4 x a310Logger)
Reporter lowmal3
Tags:DarkCloud exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
184
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Dekont_20221215122557199,PDF.z.exe
Verdict:
Malicious activity
Analysis date:
2022-12-21 12:42:02 UTC
Tags:
installer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Result
Threat name:
DarkCloud
Detection:
malicious
Classification:
troj.spyw.evad
Score:
84 / 100
Signature
Creates multiple autostart registry keys
Drops PE files to the user root directory
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped 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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 771387 Sample: Dekont_20221215122557199,PD... Startdate: 21/12/2022 Architecture: WINDOWS Score: 84 54 Yara detected DarkCloud 2->54 56 Yara detected Generic Dropper 2->56 7 Dekont_20221215122557199,PDF.z.exe 19 2->7         started        10 riukffwvsx.exe 1 2->10         started        13 gnomelike.exe 1 2->13         started        15 2 other processes 2->15 process3 file4 50 C:\Users\user\AppData\Local\...\xbvaqotm.exe, PE32 7->50 dropped 17 xbvaqotm.exe 1 3 7->17         started        70 Multi AV Scanner detection for dropped file 10->70 21 WerFault.exe 3 10 10->21         started        24 conhost.exe 10->24         started        26 WerFault.exe 10 13->26         started        28 conhost.exe 13->28         started        30 WerFault.exe 10 15->30         started        32 WerFault.exe 15->32         started        34 conhost.exe 15->34         started        36 conhost.exe 15->36         started        signatures5 process6 dnsIp7 44 C:\Users\user\AppData\...\riukffwvsx.exe, PE32 17->44 dropped 58 Multi AV Scanner detection for dropped file 17->58 60 Creates multiple autostart registry keys 17->60 62 Drops PE files to the user root directory 17->62 64 2 other signatures 17->64 38 xbvaqotm.exe 1 4 17->38         started        42 conhost.exe 17->42         started        52 192.168.2.1 unknown unknown 21->52 file8 signatures9 process10 file11 46 C:\Users\user\AppData\...\gnomelike.exe, PE32 38->46 dropped 48 C:\Users\Public\vbsqlite3.dll, PE32 38->48 dropped 66 Creates multiple autostart registry keys 38->66 68 Tries to harvest and steal browser information (history, passwords, etc) 38->68 signatures12
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2022-12-21 12:39:06 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
darkcloud
Score:
  10/10
Tags:
family:darkcloud persistence stealer
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
DarkCloud
Unpacked files
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
SH256 hash:
63e146bf041a0de62105e6b2a472bfb412b7a12fa2aedaaa8dc03daebac7593e
MD5 hash:
db1fd1ef18f11735edc5b9cca475f94c
SHA1 hash:
112e53a9787694e0fbcd57300f470f214e806c8e
SH256 hash:
323d0c21ba513e59209bd1eac4e999767103af2ea48bcbe89652e18bee141e95
MD5 hash:
19505c48db1d831582bb4667ed2bb877
SHA1 hash:
49c046b389155cb846d1a8539ed5ef19a62f640b
SH256 hash:
13a92deca1571c4f68a63ffedff856413d5ae4a8d965df859fb17cbb13cda841
MD5 hash:
fed3ea14098beb668abc77925d13cbdd
SHA1 hash:
a75d1726a5c2219ea78b3e4efb5254072c9b43cd
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

DarkCloud

Executable exe 13a92deca1571c4f68a63ffedff856413d5ae4a8d965df859fb17cbb13cda841

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments