MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 778fb400067e1de625dfa7e62e7091cc28e75fc44673562dc193f4b486fdcef0. 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: 11


Intelligence 11 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 778fb400067e1de625dfa7e62e7091cc28e75fc44673562dc193f4b486fdcef0
SHA3-384 hash: 0f9f0c737a5bf7c26005274b58f346cd3c57ed42345943088b0308ce34ab5733c26eb528df39989021176b108ef0700d
SHA1 hash: ad236281f846b31c4912d77d905f4df87852ebf4
MD5 hash: 393137b332c768bcbee9fbab51b59466
humanhash: south-red-bravo-grey
File name:csrss.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:722'944 bytes
First seen:2022-01-10 13:38:29 UTC
Last seen:2022-01-11 22:16:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 49170fcdfee353b1aac6ddc5a1ee7657 (1 x Formbook)
ssdeep 12288:4IKaDZ7PYlbnRG5Xb0NIskZUDHMI3Os8eJ/M9/Tu7dK+/3yjc4uBd8QWOlsfF8h:VLD5YlbnRSb5sGUImXU9/J+fyAB5W
TLSH T14DF4AE27B3D0C537D3670734FC0BA2B869163ED17A1898473FE86D5C5F39682B82946A
File icon (PE):PE icon
dhash icon 48ca4c67d3260ac8 (1 x Formbook)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
263
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New Quotation Order .xlsx
Verdict:
Malicious activity
Analysis date:
2022-01-10 09:22:55 UTC
Tags:
encrypted opendir exploit CVE-2017-11882 loader trojan formbook stealer
Link:
https://app.any.run/tasks/0b97f675-6348-4802-8558-44b8b98cb860

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/218004/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the system32 directory
Creating a file
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/4004/overview
Behaviour
MalwareBazaar
CheckScreenResolution
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe keylogger packed
Link:
https://www.filescan.io/uploads/61dc36f802e388f9fdbe00ea/reports/3c30dbf1-ff90-43bc-80c9-e9b409585f03/overview
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/36651e8a-0720-4b4f-8ab6-31e9dfb73cc5
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/917671
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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)
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
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 550149 Sample: csrss.exe Startdate: 10/01/2022 Architecture: WINDOWS Score: 100 47 www.bajajfinservassetmanagement.com 2->47 81 Found malware configuration 2->81 83 Malicious sample detected (through community Yara rule) 2->83 85 Antivirus / Scanner detection for submitted sample 2->85 87 4 other signatures 2->87 11 csrss.exe 1 17 2->11         started        signatures3 process4 dnsIp5 67 onedrive.live.com 11->67 69 iqzhcg.dm.files.1drv.com 11->69 71 dm-files.fe.1drv.com 11->71 43 C:\Users\user\Contacts\Lxpnvkximh.exe, PE32 11->43 dropped 45 C:\Users\...\Lxpnvkximh.exe:Zone.Identifier, ASCII 11->45 dropped 111 Writes to foreign memory regions 11->111 113 Allocates memory in foreign processes 11->113 115 Creates a thread in another existing process (thread injection) 11->115 117 Injects a PE file into a foreign processes 11->117 16 DpiScaling.exe 11->16         started        file6 signatures7 process8 signatures9 73 Modifies the context of a thread in another process (thread injection) 16->73 75 Maps a DLL or memory area into another process 16->75 77 Sample uses process hollowing technique 16->77 79 2 other signatures 16->79 19 explorer.exe 2 16->19 injected process10 dnsIp11 49 www.amelhorpropagandasaude.com 98.124.204.16, 49838, 80 ENOMAS1US United States 19->49 51 www.jooyapolymer.com 19->51 53 www.bioshock2022.com 19->53 89 System process connects to network (likely due to code injection or exploit) 19->89 23 Lxpnvkximh.exe 15 19->23         started        27 Lxpnvkximh.exe 15 19->27         started        29 systray.exe 19->29         started        signatures12 process13 dnsIp14 55 onedrive.live.com 23->55 57 iqzhcg.dm.files.1drv.com 23->57 59 dm-files.fe.1drv.com 23->59 93 Antivirus detection for dropped file 23->93 95 Multi AV Scanner detection for dropped file 23->95 97 Writes to foreign memory regions 23->97 31 logagent.exe 23->31         started        61 192.168.2.1 unknown unknown 27->61 63 onedrive.live.com 27->63 65 2 other IPs or domains 27->65 99 Allocates memory in foreign processes 27->99 101 Creates a thread in another existing process (thread injection) 27->101 103 Injects a PE file into a foreign processes 27->103 34 DpiScaling.exe 27->34         started        105 Modifies the context of a thread in another process (thread injection) 29->105 107 Maps a DLL or memory area into another process 29->107 109 Tries to detect virtualization through RDTSC time measurements 29->109 36 cmd.exe 1 29->36         started        signatures15 process16 signatures17 119 Modifies the context of a thread in another process (thread injection) 31->119 121 Maps a DLL or memory area into another process 31->121 123 Sample uses process hollowing technique 31->123 125 Tries to detect virtualization through RDTSC time measurements 31->125 38 colorcpl.exe 31->38         started        41 conhost.exe 36->41         started        process18 signatures19 91 Tries to detect virtualization through RDTSC time measurements 38->91
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/778fb400067e1de625dfa7e62e7091cc28e75fc44673562dc193f4b486fdcef0/
Threat name:
Win32.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2022-01-10 13:38:16 UTC
File Type:
PE (Exe)
Extracted files:
38
AV detection:
26 of 43 (60.47%)
Threat level:
  5/5
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:fm6i loader persistence rat suricata
Link:
https://tria.ge/reports/220110-qxyt6aeehr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
5852f167948b3cf3fcd175ed0acc3cd43456ab0aecae4ac68121bde1906bcf39
MD5 hash:
bb66163c0a181098d801f3d6b775f73f
SHA1 hash:
fe4adcf4bf6146cac5b4eb192c99fc0cebba323b
Detections:
win_dbatloader_w0
Create hunting rule
Link:
https://www.unpac.me/results/58dc8d0b-2a14-4073-9662-c8b90ab4931e/
Parent samples :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 hash:
778fb400067e1de625dfa7e62e7091cc28e75fc44673562dc193f4b486fdcef0
MD5 hash:
393137b332c768bcbee9fbab51b59466
SHA1 hash:
ad236281f846b31c4912d77d905f4df87852ebf4
Link:
https://www.unpac.me/results/58dc8d0b-2a14-4073-9662-c8b90ab4931e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/778fb400067e1de625dfa7e62e7091cc28e75fc44673562dc193f4b486fdcef0

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/218004/

Comments