MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1623f58bfe1b81afd809e8b60a395ba2bcbe9c15b67ccb1938bd21172a586ba. 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 File information Comments

SHA256 hash: b1623f58bfe1b81afd809e8b60a395ba2bcbe9c15b67ccb1938bd21172a586ba
SHA3-384 hash: 785d9d82ef3680ba181f7085f069b2fd0ad3bbfcc56d8d7f9f8db5b8480a4b73ebbad423ba9f5337dfbdd7c9c0cce9fc
SHA1 hash: 911b39ab19a80ba61b0b71dffcdc29bc27552828
MD5 hash: fa7ae8aacdae5c29240544a7d098b43f
humanhash: fix-mars-michigan-december
File name:rocee.exe
Download: download sample
Signature Formbook
File size:296'576 bytes
First seen:2022-02-14 13:49:05 UTC
Last seen:2022-02-15 09:49:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:owVSeuJL9KLBAVHM4C+1dAh/XPIGyC+u1yE1zFQgY8nMkAosyoUM6sz:ZSe+KabfC/oC+u1n9Y8nMkAowHT
Threatray 13'374 similar samples on MalwareBazaar
TLSH T17D54238EB2C2D4E6D4630F706EB5933DD3B667491A00018B9BBD7EB7B9C40835A7A191
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter pr0xylife
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
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
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
Gathering data
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
C2 URLs / IPs found in malware configuration
Found malware configuration
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)
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Application Executed Non-Executable Extension
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 571854 Sample: rocee.exe Startdate: 14/02/2022 Architecture: WINDOWS Score: 100 35 www.haveitchile.com 2->35 37 shops.myshopify.com 2->37 55 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 8 other signatures 2->61 12 rocee.exe 19 2->12         started        signatures3 process4 file5 33 C:\Users\user\AppData\Local\Temp\nktxi.exe, PE32 12->33 dropped 15 nktxi.exe 12->15         started        process6 signatures7 75 Multi AV Scanner detection for dropped file 15->75 77 Tries to detect virtualization through RDTSC time measurements 15->77 18 nktxi.exe 15->18         started        process8 signatures9 47 Modifies the context of a thread in another process (thread injection) 18->47 49 Maps a DLL or memory area into another process 18->49 51 Sample uses process hollowing technique 18->51 53 Queues an APC in another process (thread injection) 18->53 21 explorer.exe 18->21 injected process10 dnsIp11 39 www.hexterm.net 21->39 41 dietaketol.com 162.241.62.111, 49821, 80 UNIFIEDLAYER-AS-1US United States 21->41 43 8 other IPs or domains 21->43 63 System process connects to network (likely due to code injection or exploit) 21->63 65 Performs DNS queries to domains with low reputation 21->65 25 rundll32.exe 12 21->25         started        signatures12 process13 dnsIp14 45 www.budgetitworks.net 25->45 67 System process connects to network (likely due to code injection or exploit) 25->67 69 Modifies the context of a thread in another process (thread injection) 25->69 71 Maps a DLL or memory area into another process 25->71 73 Tries to detect virtualization through RDTSC time measurements 25->73 29 cmd.exe 1 25->29         started        signatures15 process16 process17 31 conhost.exe 29->31         started       
Threat name:
Win32.Trojan.Nsisx
Status:
Malicious
First seen:
2022-02-14 13:17:32 UTC
AV detection:
11 of 43 (25.58%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:r1e3 rat spyware stealer suricata trojan
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
622ae9ea78c205254faff324645e296624527e16745f406d2f675b510acfbceb
MD5 hash:
f0e3b1646c0fa07ed6b3d18ddbc771a5
SHA1 hash:
856e4d43ba82e77b4c831f162788e100cb31beb4
Detections:
win_formbook_g0 win_formbook_auto
SH256 hash:
fb9614cfd925826aad3ef407aeb0b0307b004280318b6709fef33114c1a87b33
MD5 hash:
c45f5ec6ee9e5a878e49d24545262b19
SHA1 hash:
0b7c01ecc3a007fc22500fb467c63a95b81b04e2
SH256 hash:
b1623f58bfe1b81afd809e8b60a395ba2bcbe9c15b67ccb1938bd21172a586ba
MD5 hash:
fa7ae8aacdae5c29240544a7d098b43f
SHA1 hash:
911b39ab19a80ba61b0b71dffcdc29bc27552828
Malware family:
FormBook
Verdict:
Malicious
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.

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