MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9bdb8c092e5af89aacb7feae545fa43da02c84f6ac74a3a60cef3f9076c0ca4. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments 1

SHA256 hash: c9bdb8c092e5af89aacb7feae545fa43da02c84f6ac74a3a60cef3f9076c0ca4
SHA3-384 hash: 62504a18475f9d1ae8269da3b838e3b51af9271a2ac8aec78831273f78bfb6988ce61f76ce27cf529a78d4f1470454a6
SHA1 hash: 687b6337728a7e4fa646bfd1b0ddce84bcedf23d
MD5 hash: 5288674c2d9557bd89a0aab4869f1f60
humanhash: high-victor-mango-island
File name:5288674c2d9557bd89a0aab4869f1f60
Download: download sample
Signature Formbook
File size:5'219'840 bytes
First seen:2023-04-04 16:32:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 49152:RsOS3uqy5zwcdnOJgYGT0f7fVGyfxHN5ixWRAhMGOuhSTDMj:0ebweOJF7Q
TLSH T118362A45AFE40E17E2F657F87425FAD8DEB4E4665ADBE30A300DB46A0F257400E93362
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f0ccb6f0713396cc (1 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
320
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
DHL STATEMENT OF ACCOUNT.xls
Verdict:
Malicious activity
Analysis date:
2023-04-04 15:29:37 UTC
Tags:
opendir exploit cve-2017-11882 loader formbook xloader

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
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Creating a file
Searching for synchronization primitives
Reading critical registry keys
Launching cmd.exe command interpreter
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys
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:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 841118 Sample: x9VXkxI0rB.exe Startdate: 04/04/2023 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for URL or domain 2->51 53 6 other signatures 2->53 10 x9VXkxI0rB.exe 15 7 2->10         started        process3 dnsIp4 45 192.227.183.170, 49698, 80 AS-COLOCROSSINGUS United States 10->45 37 C:\Users\user\AppData\...\Jjkinoikv.exe, PE32 10->37 dropped 39 C:\Users\user\AppData\...\x9VXkxI0rB.exe.log, ASCII 10->39 dropped 57 Creates an undocumented autostart registry key 10->57 59 Encrypted powershell cmdline option found 10->59 61 Writes to foreign memory regions 10->61 63 2 other signatures 10->63 15 MSBuild.exe 10->15         started        18 MSBuild.exe 10->18         started        20 powershell.exe 16 10->20         started        file5 signatures6 process7 signatures8 71 Modifies the context of a thread in another process (thread injection) 15->71 73 Maps a DLL or memory area into another process 15->73 75 Sample uses process hollowing technique 15->75 77 Queues an APC in another process (thread injection) 15->77 22 explorer.exe 1 15->22 injected 79 Tries to detect virtualization through RDTSC time measurements 18->79 26 conhost.exe 20->26         started        process9 dnsIp10 41 www.kellnovaglobalfood.info 22->41 43 kellnovaglobalfood.info 34.102.136.180, 49699, 80 GOOGLEUS United States 22->43 55 System process connects to network (likely due to code injection or exploit) 22->55 28 wscript.exe 22->28         started        31 autoconv.exe 22->31         started        signatures11 process12 signatures13 65 Modifies the context of a thread in another process (thread injection) 28->65 67 Maps a DLL or memory area into another process 28->67 69 Tries to detect virtualization through RDTSC time measurements 28->69 33 cmd.exe 1 28->33         started        process14 process15 35 conhost.exe 33->35         started       
Threat name:
ByteCode-MSIL.Trojan.Barys
Status:
Malicious
First seen:
2023-04-04 16:33:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
34
AV detection:
14 of 21 (66.67%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ar73 rat spyware stealer trojan
Behaviour
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 payload
Formbook
Unpacked files
SH256 hash:
c9bdb8c092e5af89aacb7feae545fa43da02c84f6ac74a3a60cef3f9076c0ca4
MD5 hash:
5288674c2d9557bd89a0aab4869f1f60
SHA1 hash:
687b6337728a7e4fa646bfd1b0ddce84bcedf23d
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:crime_win32_ransom_avaddon_1
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Suspicious_Macro_Presence
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.

File information


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

Web download

Formbook

Executable exe c9bdb8c092e5af89aacb7feae545fa43da02c84f6ac74a3a60cef3f9076c0ca4

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-04-04 16:32:34 UTC

url : hxxp://198.46.174.176/60/omo.exe