MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6bb8018c90c49a3b09ad5b94cbfe5009b59abdee04d05be8f4ae8825f71cf19. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f6bb8018c90c49a3b09ad5b94cbfe5009b59abdee04d05be8f4ae8825f71cf19
SHA3-384 hash: 87f0e425a8b1768652909bf3c00135d789750a7f597c355187fd8baa6a6a001daeed29727ec8df79755d3c38965f8b0c
SHA1 hash: 02addb137f4407dc05af7d862b2533b131733f59
MD5 hash: b643c1dfbcea7629e8d7a9d64c4779a6
humanhash: wyoming-friend-october-grey
File name:Xeroxscannecopy2021_pdf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'472'512 bytes
First seen:2021-08-09 08:18:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:b6SgaIMVjLz7T8BiOcef3gVZsZZZsZbesbZYhZ8bfVe0S+dkl/WsiH42mHNClsrJ:AiOmeB4ftdCbt/QS5JNuBaP2nvm
Threatray 7'488 similar samples on MalwareBazaar
TLSH T1A5659E3576769F91DD7FC7384331E13C8FB9AE26E217E27468D8389B24B0B410A56623
dhash icon 70e08692f0f03084 (1 x AgentTesla, 1 x Formbook)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Xeroxscannecopy2021_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-08-09 08:20:32 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/64b430c4-5435-4642-bea6-1db82763e527

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/177476/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.908-1.UNOFFICIAL
Create hunting rule

Win.Packed.Agenttesla-9877344-0
Create hunting rule

Win.Packed.Agenttesla-9877345-0
Create hunting rule

Win.Packed.Agenttesla-9877381-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d96ee56f-dddd-4ea8-8c2f-dbce6c24d5c7
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/829152
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Uses netstat to query active network connections and open ports
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 461585 Sample: Xeroxscannecopy2021_pdf.exe Startdate: 09/08/2021 Architecture: WINDOWS Score: 100 34 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->34 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 7 other signatures 2->40 10 Xeroxscannecopy2021_pdf.exe 3 2->10         started        process3 file4 30 C:\Users\...\Xeroxscannecopy2021_pdf.exe.log, ASCII 10->30 dropped 52 Tries to detect virtualization through RDTSC time measurements 10->52 14 Xeroxscannecopy2021_pdf.exe 10->14         started        17 Xeroxscannecopy2021_pdf.exe 10->17         started        signatures5 process6 signatures7 54 Modifies the context of a thread in another process (thread injection) 14->54 56 Maps a DLL or memory area into another process 14->56 58 Sample uses process hollowing technique 14->58 60 Queues an APC in another process (thread injection) 14->60 19 explorer.exe 14->19 injected process8 dnsIp9 32 www.impresafree24.com 213.186.33.5, 49745, 80 OVHFR France 19->32 42 System process connects to network (likely due to code injection or exploit) 19->42 44 Uses netstat to query active network connections and open ports 19->44 23 NETSTAT.EXE 19->23         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 23->46 48 Maps a DLL or memory area into another process 23->48 50 Tries to detect virtualization through RDTSC time measurements 23->50 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f6bb8018c90c49a3b09ad5b94cbfe5009b59abdee04d05be8f4ae8825f71cf19/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-04 12:28:58 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=625yaggjbre2hme22w4uzp7facnvtk664bgqlpupjluiex3rz4mq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
38c8743572d600fee9623ff305b4e6a78c033576f4ca63e6e5f8ab1c9f6047ce
Formbook
3a35df53c702f348d3693309c29fe3044d50ecf4be8648b787e74f79f5d2ceea
Formbook
5d617282230f991221360f213e15b0e62d0c462afc3d32299c9b410658fbb106
Formbook
8503c4ec4121647a225068e8defe8ff2e4cfc61a94dcd3c261ec5acf38dfa73b
Formbook
966de298a417004b81550a9b3ac5cebe87baa97fcb91c985f005258025fc1497
Formbook
9dac57302e2261a1a3c6a665d3960525b27fb70a1fd6b1e135a3e72f11c6f3e6
Formbook
b8ad131dedee5c7f3164a25f907a69c6f90632f901ecf50a61aa7e31b4c8334e
Formbook
b9b6a49f239e763796dbd664bf343284d5edd47c581c31e0240cf046dea0b585
Formbook
e6e7575f09a3e973c9b315f3206448f9ddd04b3b8ca39d126e02bad763a17948
Formbook
ebf3a8928d8bbaabfec8b7e93eb0f48469a665bc0b15d9261218012378ffb9c1
Formbook
+ 7'478 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:nmda rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/210809-3bxj6ec5nj/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.pushorder.com/nmda/
Unpacked files
SH256 hash:
0af47cf8a8041e5a50adf2fbbc4403d02d90d5ce7ce728fa81f3df441c03d793
MD5 hash:
cfb00f8b42ef3c1271a361aca79173e3
SHA1 hash:
8816ef183da13c62121c257f1f24ea4e3aa405e9
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/8114a293-75ef-4ef2-a009-febbae3805c7/
Parent samples :
e6e7575f09a3e973c9b315f3206448f9ddd04b3b8ca39d126e02bad763a17948
360aa7350fa68fbe5ee11dea4c0291a23fa65fce3fb8ce37a0649e5e86d26cb4
3a35df53c702f348d3693309c29fe3044d50ecf4be8648b787e74f79f5d2ceea
38c8743572d600fee9623ff305b4e6a78c033576f4ca63e6e5f8ab1c9f6047ce
966de298a417004b81550a9b3ac5cebe87baa97fcb91c985f005258025fc1497
ebf3a8928d8bbaabfec8b7e93eb0f48469a665bc0b15d9261218012378ffb9c1
38539e1921abdc55da699d06a32fb043610cfe8c13eb1004dc8aa508427c6809
f6bb8018c90c49a3b09ad5b94cbfe5009b59abdee04d05be8f4ae8825f71cf19
SH256 hash:
5209992fd1f96cd1959efb5e1afa71f5c9ae2ab4430e258fe9d0ec915098d110
MD5 hash:
257ca10e5cbb2f8bdf0ae6f3e900e11e
SHA1 hash:
9d25ee80dbe3bbce5ab4479912c5e21b19b6aeec
Link:
https://www.unpac.me/results/8114a293-75ef-4ef2-a009-febbae3805c7/
SH256 hash:
c7a73d02a6b105f5441b58f5b24dfd35cf5f588041951e9043231e386fe349e4
MD5 hash:
d4f9861fead17c4292e9e6d6ba5d2995
SHA1 hash:
6f879b9605035234f0c09f400f666f15df6f4d9a
Link:
https://www.unpac.me/results/8114a293-75ef-4ef2-a009-febbae3805c7/
SH256 hash:
f6bb8018c90c49a3b09ad5b94cbfe5009b59abdee04d05be8f4ae8825f71cf19
MD5 hash:
b643c1dfbcea7629e8d7a9d64c4779a6
SHA1 hash:
02addb137f4407dc05af7d862b2533b131733f59
Link:
https://www.unpac.me/results/8114a293-75ef-4ef2-a009-febbae3805c7/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/f6bb8018c90c49a3b09ad5b94cbfe5009b59abdee04d05be8f4ae8825f71cf19

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
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

Executable exe f6bb8018c90c49a3b09ad5b94cbfe5009b59abdee04d05be8f4ae8825f71cf19

(this sample)

  
Dropped by
Formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/177476/

Comments