MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f46c6eb0fdc1567d3d51a3fb9b7c3d6247a4f51c8043d2f076770bdd193f4ff. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2f46c6eb0fdc1567d3d51a3fb9b7c3d6247a4f51c8043d2f076770bdd193f4ff
SHA3-384 hash: 9b9cb312fb80e07034138d380b66ce5f2984f4b56f160844fcfe77668411ebf11127a0b811e96b51c0dde5690de4d945
SHA1 hash: bb3ebaffd4cf2920b8e22c9e613b88189ea7b73e
MD5 hash: adedd0a626c33f977decd245ccacc218
humanhash: uncle-east-north-two
File name:adedd0a626c33f977decd245ccacc218
Download: download sample
Signature Formbook
Create hunting rule
File size:374'784 bytes
First seen:2021-11-13 10:42:55 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 6144:Au/nl2GhN+TbePmfB9u4DY2+1pxsLt0oDk4+MOq2scQTE3lpCSocCih:7l2iN4ZhDc1PsvA4+MYscqglpRo4h
Threatray 11'176 similar samples on MalwareBazaar
TLSH T1498402547FE84F39CA7CDBF66A20880003F8B55F1542EB2D5DE663E6059AB928341EC7
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
130
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/205441/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/618f96bca00afa9663a6136d/reports/90340f5c-6155-47e4-8389-fd65e9933b10/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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/803a7f7a-18ea-487a-87e1-8342169ef1bc
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/888531
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 521000 Sample: gLWXSdV482 Startdate: 13/11/2021 Architecture: WINDOWS Score: 100 37 Multi AV Scanner detection for domain / URL 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 7 other signatures 2->43 10 gLWXSdV482.exe 3 2->10         started        process3 file4 33 C:\Users\user\AppData\...\gLWXSdV482.exe.log, ASCII 10->33 dropped 49 Writes to foreign memory regions 10->49 51 Allocates memory in foreign processes 10->51 53 Injects a PE file into a foreign processes 10->53 14 RegSvcs.exe 10->14         started        17 RegSvcs.exe 10->17         started        signatures5 process6 signatures7 55 Modifies the context of a thread in another process (thread injection) 14->55 57 Maps a DLL or memory area into another process 14->57 59 Sample uses process hollowing technique 14->59 61 Queues an APC in another process (thread injection) 14->61 19 explorer.exe 14->19 injected 63 Tries to detect virtualization through RDTSC time measurements 17->63 process8 process9 21 msiexec.exe 19->21         started        signatures10 45 Modifies the context of a thread in another process (thread injection) 21->45 47 Maps a DLL or memory area into another process 21->47 24 explorer.exe 1 148 21->24         started        27 cmd.exe 1 21->27         started        29 explorer.exe 1 149 21->29         started        process11 dnsIp12 35 192.168.2.1 unknown unknown 24->35 31 conhost.exe 27->31         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2f46c6eb0fdc1567d3d51a3fb9b7c3d6247a4f51c8043d2f076770bdd193f4ff/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-13 08:56:55 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=f5dmn2yp3qkwpu6vdi73tn6d2yshut2rzacd2lyhm5yl3umt6t7q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
5fd22c8bf1e7e06ccaa6ebc23410086fe0e3bc30b1613cd6ee734f280c0d6979
Formbook
7c0ab1d837684e8d37e75578f4821e25d7729cb9d3739f397cabbb9c95f2ddae
Formbook
7c7e7d1ad3f8afd0ffcba163bac7c1df9ceb8202a96a61b30b697569e00051b0
Formbook
85601ede72b1c348db5663e3782e7b3f3157c2356e2c90b769bb2afc2d476e4c
Formbook
90661f85c7864f95181eceebf32eafd0b4b166aebdfdf5529edfc3a3dd6c0715
Formbook
9f59a9c7a38d8031c5b0829da6c4c10951b1de67adada4f567449d4b6ea8d83c
Formbook
a33cbeb94697eb2355ea92f44f065e52461adaf621ad548d066dc73d6d76eeb9
Formbook
f840ca48e6381b385534156b8245c39dee4d1c95e18569c91b5537ff2f20aa7d
Formbook
+ 11'166 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:nk6l rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/211113-mr9gxsbhdk/
Behaviour
Gathers network information
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
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.rthearts.com/nk6l/
Unpacked files
SH256 hash:
28b0479e2da826bb2389e14694c6a3e95d83f1fe88f59e393487e87bd7b6f425
MD5 hash:
12e720d9eba5d5a9a5614af0e9a493d6
SHA1 hash:
37dd622bcac747482d77aa34a6c009c747fa8a17
Link:
https://www.unpac.me/results/212f5082-08d9-47e7-ba6d-acaef90d111e/
SH256 hash:
bd4c4912209802bb457983177d94b220d20dc9775ff973f90bd1c6afd729bc9c
MD5 hash:
8cde05c2cc918a68b075bdb2854c9994
SHA1 hash:
bc3c4e2826370171102ee8b7bd317493cd72c15f
Link:
https://www.unpac.me/results/212f5082-08d9-47e7-ba6d-acaef90d111e/
SH256 hash:
e24ffd2ae582c20b1b6155377f5b31cc7eba94f214fecbdeffa3d5b5c42f63fe
MD5 hash:
46e5cfa195b87ce2d352b9985bc03fe8
SHA1 hash:
4e058350d01b3445f41cf671603a6b507d2b6dd5
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/212f5082-08d9-47e7-ba6d-acaef90d111e/
Parent samples :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 hash:
2f46c6eb0fdc1567d3d51a3fb9b7c3d6247a4f51c8043d2f076770bdd193f4ff
MD5 hash:
adedd0a626c33f977decd245ccacc218
SHA1 hash:
bb3ebaffd4cf2920b8e22c9e613b88189ea7b73e
Link:
https://www.unpac.me/results/212f5082-08d9-47e7-ba6d-acaef90d111e/
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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
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.

Web download

Formbook

Executable exe 2f46c6eb0fdc1567d3d51a3fb9b7c3d6247a4f51c8043d2f076770bdd193f4ff

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1782590/
Cape
Cape
https://www.capesandbox.com/analysis/205441/

Comments


Avatar
zbet commented on 2021-11-13 10:42:56 UTC

url : hxxp://182.188.44.77/jv.exe