MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1294a91cd45ed0dc87531245654e961b6aa1b399ca32a33048a04ab7993b16b7. 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: 9


Intelligence 9 IOCs 1 YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1294a91cd45ed0dc87531245654e961b6aa1b399ca32a33048a04ab7993b16b7
SHA3-384 hash: 95dedf2de8784ca5474a04952cedbf6a2ac926b3dd5dbd8c621b95e966403a6ad57829537a3447f131b06afa004484a9
SHA1 hash: 77e2d7dd7ce45f3959c1d009807ef6eb43a00f6b
MD5 hash: 4ea2f8d7bce3cde3690fea54e530012b
humanhash: quebec-charlie-mike-black
File name:4ea2f8d7bce3cde3690fea54e530012b.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:509'952 bytes
First seen:2021-07-05 20:40:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:TqnOn59Q81+YA9kaikzrDzpbF312J7u1dOf:T+On59aYAtikbx2J7A
Threatray 23 similar samples on MalwareBazaar
TLSH 35B47B0927ECAA15E2BF4BB5E4F15D6E8771B516A2B3EF0F098522C91D23B40DC40B67
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Formbook C2:
http://185.246.65.192/pythonsecurelowcpuGame.php

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://185.246.65.192/pythonsecurelowcpuGame.php https://threatfox.abuse.ch/ioc/157637/

Intelligence

File Origin
# of uploads :
1
# of downloads :
165
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4ea2f8d7bce3cde3690fea54e530012b.exe
Verdict:
Malicious activity
Analysis date:
2021-07-05 20:43:50 UTC
Tags:
evasion trojan rat backdoor dcrat stealer
Link:
https://app.any.run/tasks/03a0adbb-7f64-46e8-b799-3f2b3122d2bd

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/169783/
Detection(s):
Win.Packed.Uztuby-9853721-0
Create hunting rule

Win.Packed.Uztuby-9864800-0
Create hunting rule

Win.Packed.Uztuby-9869253-0
Create hunting rule

Win.Packed.Uztuby-9873584-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.AsyncRAT.UNOFFICIAL
Create hunting rule

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:
Dark Crystal RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/77f3da11-f909-4889-a29e-f5317f785aeb
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/811954
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: Schedule system process
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DCRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 444364 Sample: YgIUjtn4oA.exe Startdate: 05/07/2021 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for dropped file 2->45 47 7 other signatures 2->47 7 YgIUjtn4oA.exe 1 19 2->7         started        11 backgroundTaskHost.exe 3 2->11         started        13 smartscreen.exe 3 2->13         started        15 RuntimeBroker.exe 3 2->15         started        process3 file4 33 C:\Windows\System32\...\RuntimeBroker.exe, PE32 7->33 dropped 35 C:\Windows\System32\...\RuntimeBroker.exe, PE32 7->35 dropped 37 C:\Windows\...\backgroundTaskHost.exe, PE32 7->37 dropped 39 6 other malicious files 7->39 dropped 49 Detected unpacking (overwrites its own PE header) 7->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->51 53 Drops executables to the windows directory (C:\Windows) and starts them 7->53 59 2 other signatures 7->59 17 schtasks.exe 1 7->17         started        19 schtasks.exe 1 7->19         started        21 schtasks.exe 1 7->21         started        23 2 other processes 7->23 55 Multi AV Scanner detection for dropped file 11->55 57 Machine Learning detection for dropped file 11->57 signatures5 process6 process7 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        29 conhost.exe 21->29         started        31 conhost.exe 23->31         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1294a91cd45ed0dc87531245654e961b6aa1b399ca32a33048a04ab7993b16b7/
Threat name:
ByteCode-MSIL.Trojan.Spy
Create hunting rule
Status:
Malicious
First seen:
2021-07-03 14:41:36 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ckkkshgul3inzb2tcjcwktuwdnvkdm4zzizkgmciubflpgj3c23q._file
Verdict:
unknown
Similar samples:
106c12a3e09c4585808382c93be13f5b60f7cd86e5a28d638d9de5f6662f3609
Formbook
11a153c8afaa36b8af99ceb85f50b7b923ddacb921dfa9888e0c49d795933075
Formbook
4daba398d1d338f7eb29eef55e1afa4595dde813b27b33dcfb48ceff27e7e8b0
Formbook
52c0ab85a8a632f6caed9798e18fc7d1c2563f0d1d226261c18a62eed44955b2
Formbook
698e4beeba26363e632cbbb833fc8000cf85ab5449627bf0edc8203f05a64fa1
Formbook
88771c803925c9b53a6eeedbf38e34bbb20cc6ab5861ca8789b1efbdda0cbbb2
Formbook
af06d46a33b5b1fa059155aed5065f6a2e5b69c49fe501cbbb4a81f005dd0789
Formbook
b5b2d5cea424511ac2b41cf9e9a4e47d1b26df12b3edeed7f9f0fe7bf39b085e
Formbook
e1168abd0c24c43423463607b92547d5a2365d7fcbd8e6264f7a1b2f91328d6c
Formbook
ff8bcaa8c3a792db0f191e003d3c72a3dc532f849e2f495254c6252e5b61382c
Formbook
+ 13 additional samples on MalwareBazaar
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat infostealer rat spyware stealer
Link:
https://tria.ge/reports/210705-qxvtp96gbs/
Behaviour
Creates scheduled task(s)
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in System32 directory
Looks up external IP address via web service
Reads user/profile data of web browsers
Executes dropped EXE
DCRat Payload
DcRat
Unpacked files
SH256 hash:
1294a91cd45ed0dc87531245654e961b6aa1b399ca32a33048a04ab7993b16b7
MD5 hash:
4ea2f8d7bce3cde3690fea54e530012b
SHA1 hash:
77e2d7dd7ce45f3959c1d009807ef6eb43a00f6b
Link:
https://www.unpac.me/results/6464fb8c-dfe2-4a72-938c-544ae5c13fce/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.50
Link:
https://yomi.yoroi.company/submissions/1294a91cd45ed0dc87531245654e961b6aa1b399ca32a33048a04ab7993b16b7

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:Glasses
Create hunting rule
Author:Seth Hardy
Description:Glasses family
Rule name:GlassesCode
Create hunting rule
Author:Seth Hardy
Description:Glasses code features
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:MALWARE_Win_AsyncRAT
Create hunting rule
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:pe_imphash
Create hunting rule
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Stealer_word_in_memory
Create hunting rule
Author:James_inthe_box
Description:The actual word stealer in memory
Rule name:Steam_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Steam in files like avemaria
Rule name:Telegram_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Telegram in files like avemaria

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/169783/

Comments