MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fbc14992308d88c7a33989479793655a4ff4c9caeb3c011f6e95b11c55f675ef. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: fbc14992308d88c7a33989479793655a4ff4c9caeb3c011f6e95b11c55f675ef
SHA3-384 hash: e406169a3c70c56ec07481f5ecb7805cade2420d10764d94085f56e02037795c966ecd2cd83461df4b01d05995c00c22
SHA1 hash: 2c8d8762c84784887793c6685d02b8e18f2bb4f8
MD5 hash: c886ccb770ce75fd527764419359a07b
humanhash: beer-kansas-kilo-kansas
File name:PURCHASE ORDER 29.09.2022.exe
Download: download sample
Signature Formbook
File size:795'648 bytes
First seen:2022-09-29 20:59:20 UTC
Last seen:2022-09-30 05:12:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:N2iN8yxhnQvuVOKj7ahCx7dY53i57gHG9281/Q8iDznP:N1iyxhnQvuVOKY47dVsHG928Wn
TLSH T14905E0371BEA8B0BD12576B895D1C3F6A3A9CC01F463C297AFCA6C1FF09A565C620351
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 James_inthe_box
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
268
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
packed
Result
Verdict:
UNKNOWN
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:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 713052 Sample: PURCHASE ORDER 29.09.2022.exe Startdate: 29/09/2022 Architecture: WINDOWS Score: 100 43 www.taksianosing.xyz 2->43 59 Snort IDS alert for network traffic 2->59 61 Multi AV Scanner detection for domain / URL 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 16 other signatures 2->65 9 PURCHASE ORDER 29.09.2022.exe 7 2->9         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\WyXEYJluStj.exe, PE32 9->35 dropped 37 C:\Users\...\WyXEYJluStj.exe:Zone.Identifier, ASCII 9->37 dropped 39 C:\Users\user\AppData\Local\...\tmpB870.tmp, XML 9->39 dropped 41 C:\...\PURCHASE ORDER 29.09.2022.exe.log, ASCII 9->41 dropped 71 Adds a directory exclusion to Windows Defender 9->71 73 Injects a PE file into a foreign processes 9->73 13 PURCHASE ORDER 29.09.2022.exe 9->13         started        16 powershell.exe 21 9->16         started        18 powershell.exe 21 9->18         started        20 2 other processes 9->20 signatures6 process7 signatures8 75 Modifies the context of a thread in another process (thread injection) 13->75 77 Maps a DLL or memory area into another process 13->77 79 Sample uses process hollowing technique 13->79 81 Queues an APC in another process (thread injection) 13->81 22 explorer.exe 13->22 injected 26 conhost.exe 16->26         started        28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        process9 dnsIp10 45 www.holteseivthn.xyz 109.123.121.243, 49733, 49734, 49735 UK2NET-ASGB United Kingdom 22->45 47 www.mymcdsteam.com 81.17.18.195, 49737, 49738, 49739 PLI-ASCH Switzerland 22->47 49 10 other IPs or domains 22->49 67 System process connects to network (likely due to code injection or exploit) 22->67 69 Performs DNS queries to domains with low reputation 22->69 32 rundll32.exe 13 22->32         started        signatures11 process12 signatures13 51 Tries to steal Mail credentials (via file / registry access) 32->51 53 Tries to harvest and steal browser information (history, passwords, etc) 32->53 55 Modifies the context of a thread in another process (thread injection) 32->55 57 Maps a DLL or memory area into another process 32->57
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2022-09-29 15:31:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:uymo rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
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
Checks computer location settings
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
cc8d00bd20e65f242e9dd5f769d3f4db614b79dfd8866d9782a0c6cef1e304b4
MD5 hash:
0ceb5c1d97b423df5f236c7ff088942b
SHA1 hash:
d5ff267189a16c064d3bd20c45faa086d9379cc6
SH256 hash:
90130e63a350359f490051ec64a6f8c6f44e012356ef1500c55e318ccb813e17
MD5 hash:
b404dc3490adf41de025349e71ecfe41
SHA1 hash:
d8f597cfff1d3a633d4c35cde436448c50d997c7
SH256 hash:
2470b39032f6182252039c88199016566b0de30c6aa02163a143427afedd12af
MD5 hash:
c3a1924684ca30ed22234ce1d9111dfc
SHA1 hash:
7347706241422758c06440fd6044ae4e042b456b
SH256 hash:
1883b05f9eb0cf6f4a93cbab497f5a20f6aea3b58779891ea33783dcd61a5288
MD5 hash:
cd7d6fb408381e0e5f4b2391fa002913
SHA1 hash:
69761b04296500f06c6290b784d10203afe6d743
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
SH256 hash:
fbc14992308d88c7a33989479793655a4ff4c9caeb3c011f6e95b11c55f675ef
MD5 hash:
c886ccb770ce75fd527764419359a07b
SHA1 hash:
2c8d8762c84784887793c6685d02b8e18f2bb4f8
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.

  
Delivery method
Other

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