MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6cd342f13d56b8bc1d8b1346e3289f7feab428a0a75cfcea4bb31a8c452adf01. 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: 6cd342f13d56b8bc1d8b1346e3289f7feab428a0a75cfcea4bb31a8c452adf01
SHA3-384 hash: 2b728065ed81af7ee443d640de028877c6e4fd672a2f4e05cfc7c16983b72b0fcf3015df581825a5cbfcd174b1c2fe76
SHA1 hash: 2e7ed9ba13f7849c12c6e8e092c19ce4e5baa177
MD5 hash: 5044bf9456ce2c7a67b6f6c35c42f121
humanhash: india-uranus-eight-three
File name:payment copt.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:268'656 bytes
First seen:2021-12-01 07:24:12 UTC
Last seen:2021-12-01 08:31:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGiGn6SWUMGyH1oLXmbLwIZdwNNYG0grApLESm:qJMGu1oqbLwowNqPSSm
Threatray 12'026 similar samples on MalwareBazaar
TLSH T17244124CE4C64BAFD5E34A7401BBE2BEDFFAE5C145621E672B852EEE1D60503CA0B501
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
162
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
payment copt.exe
Verdict:
Malicious activity
Analysis date:
2021-12-01 07:27:07 UTC
Tags:
installer trojan formbook stealer
Link:
https://app.any.run/tasks/a42e9d54-893c-4312-87ee-14f186724bd9

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/210183/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.1.22783.22925.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Unauthorized injection to a recently created process
Searching for synchronization primitives
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
DNS request
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Malware family:
n/a
Score:
  0/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/401/overview
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
60%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/61a72351b3ca88e2e7744596/reports/a3a8dbca-4c6f-4415-a3fa-796223edea05/overview
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/2f232968-1cf6-4964-b7e0-abe4a5488989
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/899194
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Self deletion via cmd delete
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 531672 Sample: payment copt.exe Startdate: 01/12/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 9 other signatures 2->42 10 payment copt.exe 17 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\...\xemdgdbfr.dll, PE32 10->28 dropped 54 Injects a PE file into a foreign processes 10->54 14 payment copt.exe 10->14         started        signatures5 process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.katiecurranomalley.com 64.98.145.30, 49809, 80 TUCOWS-3CA Canada 17->30 32 www.locksmithofkennesaw.com 17->32 34 www.192yg.com 35.190.56.121, 49785, 80 GOOGLEUS United States 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 cmmon32.exe 17->21         started        signatures10 process11 signatures12 46 Self deletion via cmd delete 21->46 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6cd342f13d56b8bc1d8b1346e3289f7feab428a0a75cfcea4bb31a8c452adf01/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-12-01 05:40:27 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 44 (45.45%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ntjuf4j5k24lyhmlcndogke7p7vlikfau5opz2slwmniyrjk34aq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
1ff059a7b109654fd7e3d230ed9070c7e3cc70ba2c4bb9c6b060a77c05162031
Formbook
26b24cfe3b0bb84b26fc83ce689b74728ac61f32391772dcc76eab04cc7042b5
Formbook
2c797f8b23257f74c2dd577dad2c2c6cdab90dfa57a57f2f89a8a54036c6852c
Formbook
5aad7a3f3d55c4741d8a79b59e0e9f922d375adab9f998ababc03a88a2feb27c
Formbook
5dad6b254fb40bb4c090f5048e07da656821a4b6b163c6548287c3d91dcfda45
Formbook
7ee0cbf586de414cfbbc5bd0d4ccd15934dac266751418154903681805234ddb
Formbook
7f15af6ad30b84b5047a47d92a2319b1043dc00576d80a5cae1e8a23fcb97854
Formbook
8165ac99e7dbfb2059308aaa1105ede0f191bb846d14dfd7ed709c3bcfb88510
Formbook
c4a3914ac9102ab0d688d9ea29c833ca8f41aef33ee6aa4fb384113f9250c743
Formbook
+ 12'016 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:f2t3 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/211201-h8zltsafgl/
Behaviour
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
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.allnestek.com/f2t3/
Unpacked files
SH256 hash:
6cd342f13d56b8bc1d8b1346e3289f7feab428a0a75cfcea4bb31a8c452adf01
MD5 hash:
5044bf9456ce2c7a67b6f6c35c42f121
SHA1 hash:
2e7ed9ba13f7849c12c6e8e092c19ce4e5baa177
Link:
https://www.unpac.me/results/3fa9c0df-74fa-4f5f-be89-83ae5e96fa99/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6cd342f13d56/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
Link:
https://yomi.yoroi.company/submissions/6cd342f13d56b8bc1d8b1346e3289f7feab428a0a75cfcea4bb31a8c452adf01

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:Formbook
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Malspam

Formbook

Executable exe 6cd342f13d56b8bc1d8b1346e3289f7feab428a0a75cfcea4bb31a8c452adf01

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/210183/

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