MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a55c827c3285055010e1307a9785a5f4d403c3a857acadd1fded4a7de529db47. 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



Dridex


Vendor detections: 7


Intelligence 7 IOCs YARA File information Comments

SHA256 hash: a55c827c3285055010e1307a9785a5f4d403c3a857acadd1fded4a7de529db47
SHA3-384 hash: e15d5c35d63bad82ea38eea2b367dc1114c54eb36ff923d6c6f77fe06383a903b2c9e5372535df0fe992e1507d27d953
SHA1 hash: 345f7e813123599d59d564d7cf359f67b51fda6d
MD5 hash: a2653075a9e69912f7ad570ff5589ff2
humanhash: uncle-wisconsin-eight-lemon
File name:a55c827c3285055010e1307a9785a5f4d403c3a857acadd1fded4a7de529db47
Download: download sample
Signature Dridex
File size:757'760 bytes
First seen:2022-03-23 11:57:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7be87787770ca1ffe5c8c785748fac0c (20 x Dridex)
ssdeep 12288:i+YE32Q8n9FgCBT4jh0rOcazvLbzTq4TYSyPKcaTuxfa:ivEwnfg04jgaXbzG4TYS8KcR
Threatray 2'052 similar samples on MalwareBazaar
TLSH T12CF412DBD762BAF1E4D440F4BA1D32D1C7213F794258EBBB968E87609E89C939C50704
Reporter JAMESWT_WT
Tags:Dridex exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Moving a file to the system32 subdirectory
Launching a process
Setting browser functions hooks
Сreating synchronization primitives
Changing a file
Launching the default Windows debugger (dwwin.exe)
Searching for synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Searching for the window
Creating a file in the system32 subdirectories
Forced shutdown of a system process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Unauthorized injection to a browser process
Forced shutdown of a browser
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Benign windows process drops PE files
Changes memory attributes in foreign processes to executable or writable
Drops executables to the windows directory (C:\Windows) and starts them
Machine Learning detection for sample
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Queues an APC in another process (thread injection)
Sigma detected: Suspicious Call by Ordinal
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 595879 Sample: aTueipdI9y Startdate: 24/03/2022 Architecture: WINDOWS Score: 100 60 Antivirus detection for dropped file 2->60 62 Antivirus / Scanner detection for submitted sample 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 5 other signatures 2->66 9 loaddll64.exe 1 2->9         started        11 msdt.exe 2->11         started        process3 process4 13 regsvr32.exe 9->13         started        16 cmd.exe 1 9->16         started        18 rundll32.exe 9->18         started        20 2 other processes 9->20 signatures5 72 Changes memory attributes in foreign processes to executable or writable 13->72 74 Queues an APC in another process (thread injection) 13->74 22 explorer.exe 10 35 13->22 injected 26 WerFault.exe 20 9 13->26         started        28 rundll32.exe 16->28         started        process6 file7 56 C:\Users\user\AppData\Local\Temp\ju3CC9.tmp, PE32+ 22->56 dropped 58 C:\Users\user\AppData\Local\...\BNbF6E5.tmp, PE32+ 22->58 dropped 68 Benign windows process drops PE files 22->68 70 Uses schtasks.exe or at.exe to add and modify task schedules 22->70 30 sessionmsg.exe 22->30         started        33 cmd.exe 3 22->33         started        36 cmd.exe 3 22->36         started        38 6 other processes 22->38 signatures8 process9 file10 76 Changes memory attributes in foreign processes to executable or writable 30->76 48 C:\Users\user\AppData\...\sessionmsg.exe, PE32+ 33->48 dropped 50 C:\Users\user\AppData\...\DUI70.dll (copy), PE32+ 33->50 dropped 40 conhost.exe 33->40         started        52 C:\Windows\system32\...\UxTheme.dll (copy), PE32+ 36->52 dropped 54 C:\Windows\System32\qvVfYD\msdt.exe, PE32+ 36->54 dropped 42 conhost.exe 36->42         started        44 conhost.exe 38->44         started        46 conhost.exe 38->46         started        signatures11 process12
Threat name:
Win64.Infostealer.Dridex
Status:
Malicious
First seen:
2022-03-10 20:13:00 UTC
File Type:
PE+ (Dll)
AV detection:
37 of 42 (88.10%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
evasion persistence trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in System32 directory
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
Unpacked files
SH256 hash:
a55c827c3285055010e1307a9785a5f4d403c3a857acadd1fded4a7de529db47
MD5 hash:
a2653075a9e69912f7ad570ff5589ff2
SHA1 hash:
345f7e813123599d59d564d7cf359f67b51fda6d
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.

Comments