MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6b1a22c0cfc0c363bb163b7bd3236ee1dac2995a3511a6a941b7a7af656ba25. 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: f6b1a22c0cfc0c363bb163b7bd3236ee1dac2995a3511a6a941b7a7af656ba25
SHA3-384 hash: dc79ffa3d2ce7fcf766e18819d1b8abfb8317a0bd4bfc93d5d89a0b40881ccadd06d663c090585eb2e68b3660016f708
SHA1 hash: b37fb3bfb9033a0d04189e5913159fe49a339828
MD5 hash: 8f929ce8e5e81287ceb254ce65efb2b4
humanhash: alaska-arkansas-mobile-pizza
File name:confirm this order and sign PI.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:1'111'552 bytes
First seen:2021-04-26 08:20:04 UTC
Last seen:2021-04-26 12:37:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:YTDhoLAeYpjWDGjis9yq+7Z8BX3KybN/5:YXdS2U7ZAT5
Threatray 4'887 similar samples on MalwareBazaar
TLSH 13355AA8734065E1DF0658B2E3CB8D16423C5F707726AA0B4B903F7A3D63E772A35589
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
confirm this order and sign PI.exe
Verdict:
Malicious activity
Analysis date:
2021-04-26 08:21:45 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/78d3f30a-a18f-480f-9263-1a86a950ef0b

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/144255/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser 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.
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/697560
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 397701 Sample: confirm this order and sign... Startdate: 26/04/2021 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 9 other signatures 2->43 10 confirm this order and sign PI.exe 3 2->10         started        process3 file4 27 C:\...\confirm this order and sign PI.exe.log, ASCII 10->27 dropped 13 confirm this order and sign PI.exe 10->13         started        process5 signatures6 51 Modifies the context of a thread in another process (thread injection) 13->51 53 Maps a DLL or memory area into another process 13->53 55 Sample uses process hollowing technique 13->55 57 Queues an APC in another process (thread injection) 13->57 16 explorer.exe 13->16 injected process7 dnsIp8 29 www.goiasbets.net 13.66.245.231, 49775, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 16->29 31 www.qygmuakhk.club 16->31 33 2 other IPs or domains 16->33 35 System process connects to network (likely due to code injection or exploit) 16->35 20 cmmon32.exe 16->20         started        signatures9 process10 signatures11 45 Modifies the context of a thread in another process (thread injection) 20->45 47 Maps a DLL or memory area into another process 20->47 49 Tries to detect virtualization through RDTSC time measurements 20->49 23 cmd.exe 1 20->23         started        process12 process13 25 conhost.exe 23->25         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f6b1a22c0cfc0c363bb163b7bd3236ee1dac2995a3511a6a941b7a7af656ba25/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-04-26 05:44:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
10 of 47 (21.28%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=62y2elam7qgdmo5rmo332mrw5yo2ykmvuniru2uudn5hv5swxisq._file
Verdict:
malicious
Similar samples:
0fce851d001cb1a92a7939eb6a9fac428f5fd9750caa9a1981e27fd659c32c03
Formbook
395171260fafe84055b84b5cae4ddd1d48ae4c49088867ed7a4e58de2394ac55
Formbook
398e6661f5ca757d0d7c777a0ed8ca1481b5c2df810008164e1f51deefc2ab48
Formbook
56368dfb68347ec22ba4d8d1d16e1acc9dbf37acf30803ef92f75f27f0a6a6a5
Formbook
6f4fbab85c58d588450bc856ceff3894645e0033b4c4d2684184a8430c01daa4
Formbook
8309d803c92faaf24828cd67e4c1041f9465ecf6c63f7608d7ed4579f075a02c
Formbook
8503c4ec4121647a225068e8defe8ff2e4cfc61a94dcd3c261ec5acf38dfa73b
Formbook
852d3890ed7348734c5f18da1141075129468263b43f82cec8ac7b3e4b9145ac
Formbook
b03f6bc5eec0f24076b3ef2c761b21d75c489ad34c5f94dcffab6d2b4d65263f
Formbook
b69927fbfd7eb038b59aa9b7e9f49cb02d127d48fcf6517e65a379e982e806bc
Formbook
+ 4'877 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210426-4em6fh5y92/
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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.magnumopuspro.com/nyr/
Unpacked files
SH256 hash:
99507b8c3a6be130c96fc3816b29ea4c70a46311d67b1d2d6ac10e25595572f1
MD5 hash:
4f5ca80047da32fe33929995201936b4
SHA1 hash:
6c588627744cae9edfe0e5cc1011c4a8763093ab
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/0747e381-4c1c-4f2c-8190-85fa1c067344/
Parent samples :
f6b1a22c0cfc0c363bb163b7bd3236ee1dac2995a3511a6a941b7a7af656ba25
1012fd502b2b0f81c21293efaf6b1f012693dc485690e4b8dda25dfa4c7538d9
SH256 hash:
74b2935b9dfe4ba397fd0507ae3c36abb77193041f2e7c43c55dc4e7b33de61c
MD5 hash:
b5c218f30fecc9cb8513ff6a46737b01
SHA1 hash:
f0416867c2b114789620b318051f1fa390b07eae
Link:
https://www.unpac.me/results/0747e381-4c1c-4f2c-8190-85fa1c067344/
SH256 hash:
2b9f1b1a09a672906c8ccd4cd8697a5943f7e101916ca86d1303c4533a631443
MD5 hash:
d4439b50ac26028c3000a09c3f9643b3
SHA1 hash:
69c3d5fbb701a373b37dfa5b414b50185ba07841
Link:
https://www.unpac.me/results/0747e381-4c1c-4f2c-8190-85fa1c067344/
SH256 hash:
f6b1a22c0cfc0c363bb163b7bd3236ee1dac2995a3511a6a941b7a7af656ba25
MD5 hash:
8f929ce8e5e81287ceb254ce65efb2b4
SHA1 hash:
b37fb3bfb9033a0d04189e5913159fe49a339828
Link:
https://www.unpac.me/results/0747e381-4c1c-4f2c-8190-85fa1c067344/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/f6b1a22c0cfc0c363bb163b7bd3236ee1dac2995a3511a6a941b7a7af656ba25

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
Create hunting rule
Author:@VK_Intel
Description:Detects Avaddon ransomware
Reference:https://twitter.com/VK_Intel/status/1300944441390370819
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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

File information

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

Malspam

Formbook

gz bc429aca6dcf6a9b2315f7cdf4465ceb8a4f5ded220c7c6ef2c6781d5d5dafc4

Formbook

Executable exe f6b1a22c0cfc0c363bb163b7bd3236ee1dac2995a3511a6a941b7a7af656ba25

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 bc429aca6dcf6a9b2315f7cdf4465ceb8a4f5ded220c7c6ef2c6781d5d5dafc4
Cape
Cape
https://www.capesandbox.com/analysis/144255/

Comments