MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48e64a88866a5384b8a153a4989b5e9ed050947da82b05b5a905468cf8e31dbe. 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



Formbook


Vendor detections: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: 48e64a88866a5384b8a153a4989b5e9ed050947da82b05b5a905468cf8e31dbe
SHA3-384 hash: 2d7d59faab827f8ea7fae43b5880b1bae734b1e6217d64e95abe9127dab81b7e4fe99772a1bc9747c4c2d069db1a0c91
SHA1 hash: 77718d7deca804b4f6b67263f4cb53b4abb0c423
MD5 hash: 4c48f1bfb7ee34ae5c43f398a30b7c91
humanhash: grey-crazy-harry-thirteen
File name:triage_dropped_file
Download: download sample
Signature Formbook
File size:15'360 bytes
First seen:2022-08-16 18:38:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 192:foZDd6YMLqaQdjVKnpz7uQrg8hpsBz1r/qieLB8ttu1XZajQ6Eplxqt9SeiLtgAA:Ap9qRIJKpzzwBriVLYa24lxqsy6S0w
TLSH T1CF62282A2A9C8631C225CA7FD8E2D58146E6D70D08D3CF5A70C853C42D1FFA9DA5477B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter malwarelabnet
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
326
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
triage_dropped_file
Verdict:
No threats detected
Analysis date:
2022-08-16 18:38:53 UTC
Tags:
n/a

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 window
Launching a process
Сreating synchronization primitives
Sending an HTTP GET request
Creating a process with a hidden window
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed wacatac
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:
AsyncRAT, FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 685024 Sample: triage_dropped_file Startdate: 16/08/2022 Architecture: WINDOWS Score: 100 46 www.whqyu.com 2->46 48 www.wfonlinedispute01.com 2->48 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus detection for URL or domain 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 7 other signatures 2->66 11 triage_dropped_file.exe 16 7 2->11         started        signatures3 process4 dnsIp5 50 45.85.219.226, 49703, 49716, 49717 DE-FIRSTCOLOwwwfirst-colonetDE Germany 11->50 52 192.168.2.1 unknown unknown 11->52 40 C:\Users\user\AppData\Roaming\...\Qtzarhh.exe, PE32 11->40 dropped 42 C:\Users\user\...\Qtzarhh.exe:Zone.Identifier, ASCII 11->42 dropped 44 C:\Users\user\...\triage_dropped_file.exe.log, ASCII 11->44 dropped 74 Encrypted powershell cmdline option found 11->74 76 Writes to foreign memory regions 11->76 78 Injects a PE file into a foreign processes 11->78 16 InstallUtil.exe 11->16         started        19 powershell.exe 17 11->19         started        21 InstallUtil.exe 11->21         started        file6 signatures7 process8 signatures9 54 Modifies the context of a thread in another process (thread injection) 16->54 56 Maps a DLL or memory area into another process 16->56 58 Queues an APC in another process (thread injection) 16->58 23 explorer.exe 16->23 injected 25 conhost.exe 19->25         started        process10 process11 27 Qtzarhh.exe 14 3 23->27         started        30 Qtzarhh.exe 3 23->30         started        signatures12 68 Multi AV Scanner detection for dropped file 27->68 70 Machine Learning detection for dropped file 27->70 72 Encrypted powershell cmdline option found 27->72 32 powershell.exe 12 27->32         started        34 powershell.exe 30->34         started        process13 process14 36 conhost.exe 32->36         started        38 conhost.exe 34->38         started       
Threat name:
Win32.Downloader.Wagex
Status:
Malicious
First seen:
2022-08-16 18:00:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 26 (76.92%)
Threat level:
  3/5
Verdict:
malicious
Label(s):
formbook masslogger
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence spyware stealer
Behaviour
Gathers network information
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Reads user/profile data of web browsers
Blocklisted process makes network request
Unpacked files
SH256 hash:
48e64a88866a5384b8a153a4989b5e9ed050947da82b05b5a905468cf8e31dbe
MD5 hash:
4c48f1bfb7ee34ae5c43f398a30b7c91
SHA1 hash:
77718d7deca804b4f6b67263f4cb53b4abb0c423
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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