MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c33789989d58fce9bbde8cdd23576c881b5ed0c329dce641567db6ad9f10a1ed. 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: 8


Intelligence 8 IOCs 1 YARA 8 File information Comments

SHA256 hash: c33789989d58fce9bbde8cdd23576c881b5ed0c329dce641567db6ad9f10a1ed
SHA3-384 hash: bccd110becba1356a4b82087c6129d8895e7a762e7739c0125f71afb50603ad8d9ae9abe2e29f892ccf2c3ca1dcf0574
SHA1 hash: 16b1a51ff9009692177a3a73ef30f9a19b91dded
MD5 hash: 7244224914ec43925ee9d7281e863cdb
humanhash: double-one-alpha-whiskey
File name:7244224914EC43925EE9D7281E863CDB.exe
Download: download sample
Signature Formbook
File size:5'470'226 bytes
First seen:2021-08-26 00:41:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c05041e01f84e1ccca9c4451f3b6a383 (141 x RedLineStealer, 101 x GuLoader, 64 x DiamondFox)
ssdeep 98304:yUsZpVV5etv2UpEsR4/iirdJoj1iiScW2LtboAclJTBsoGQ/6d+SKsF1n1SnFrtw:yUgVAv2fsR4airkigilhBLj/VsFN0nFa
Threatray 415 similar samples on MalwareBazaar
TLSH T1A84633027B768493D4AD0A750BF023B57D2C58B940B946E93F5C0D0ABAA0919D4FF7EB
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Formbook C2:
http://185.163.47.239/

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://185.163.47.239/ https://threatfox.abuse.ch/ioc/195888/

Intelligence


File Origin
# of uploads :
1
# of downloads :
341
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7244224914EC43925EE9D7281E863CDB.exe
Verdict:
No threats detected
Analysis date:
2021-08-26 00:44:07 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Searching for the window
Running batch commands
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Deleting a recently created file
Launching a process
Sending a UDP request
Malware family:
RedLine stealer
Verdict:
Malicious
Result
Threat name:
FormBook RedLine Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if the current machine is a virtual machine (disk enumeration)
Creates HTML files with .exe extension (expired dropper behavior)
Creates processes via WMI
Detected unpacking (changes PE section rights)
Disable Windows Defender real time protection (registry)
Drops PE files to the document folder of the user
Found C&C like URL pattern
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
PE file contains section with special chars
PE file has a writeable .text section
Performs DNS queries to domains with low reputation
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicious Script Execution From Temp Folder
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses known network protocols on non-standard ports
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected RedLine Stealer
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 471841 Sample: OiPxwO4JBs.exe Startdate: 26/08/2021 Architecture: WINDOWS Score: 100 86 s.lletlee.com 2->86 88 download.virka.tech 2->88 90 26 other IPs or domains 2->90 134 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->134 136 Malicious sample detected (through community Yara rule) 2->136 138 Antivirus detection for URL or domain 2->138 142 20 other signatures 2->142 12 OiPxwO4JBs.exe 10 2->12         started        signatures3 140 Performs DNS queries to domains with low reputation 88->140 process4 file5 74 C:\Users\user\AppData\...\setup_installer.exe, PE32 12->74 dropped 15 setup_installer.exe 18 12->15         started        process6 file7 76 C:\Users\user\AppData\...\setup_install.exe, PE32 15->76 dropped 78 C:\Users\user\...\Mon00dd025149a8874.exe, PE32 15->78 dropped 80 C:\Users\user\...\Mon00cb8e95f116ee.exe, PE32 15->80 dropped 82 13 other files (3 malicious) 15->82 dropped 18 setup_install.exe 1 15->18         started        process8 dnsIp9 92 hsiens.xyz 104.21.87.76, 49710, 80 CLOUDFLARENETUS United States 18->92 94 127.0.0.1 unknown unknown 18->94 144 Performs DNS queries to domains with low reputation 18->144 146 Adds a directory exclusion to Windows Defender 18->146 22 cmd.exe 18->22         started        24 cmd.exe 1 18->24         started        26 cmd.exe 1 18->26         started        29 8 other processes 18->29 signatures10 process11 signatures12 31 Mon00cb8e95f116ee.exe 22->31         started        36 Mon0026809d87f.exe 87 24->36         started        148 Obfuscated command line found 26->148 150 Uses ping.exe to sleep 26->150 152 Uses ping.exe to check the status of other devices and networks 26->152 154 Adds a directory exclusion to Windows Defender 26->154 38 powershell.exe 24 26->38         started        40 Mon00dd025149a8874.exe 29->40         started        42 Mon0073407dbaf4.exe 2 29->42         started        44 Mon0079fda2128f31.exe 1 29->44         started        46 4 other processes 29->46 process13 dnsIp14 96 fsstoragecloudservice.com 31->96 98 37.0.10.237, 49715, 49731, 80 WKD-ASIE Netherlands 31->98 102 15 other IPs or domains 31->102 54 C:\Users\...\zr5USOUTyHij0rv2gigx8SUA.exe, PE32 31->54 dropped 56 C:\Users\...\z9s7Rci6wm1N9h2veErS4gK8.exe, PE32 31->56 dropped 58 C:\Users\...\y6Es7VpvyITla2z4bxYDH0gi.exe, PE32 31->58 dropped 68 46 other files (37 malicious) 31->68 dropped 110 Drops PE files to the document folder of the user 31->110 112 May check the online IP address of the machine 31->112 114 Creates HTML files with .exe extension (expired dropper behavior) 31->114 116 Disable Windows Defender real time protection (registry) 31->116 104 3 other IPs or domains 36->104 60 C:\Users\user\AppData\...\msvcp140[1].dll, PE32 36->60 dropped 62 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 36->62 dropped 64 C:\Users\user\AppData\...\mozglue[1].dll, PE32 36->64 dropped 70 9 other files (none is malicious) 36->70 dropped 118 Detected unpacking (changes PE section rights) 36->118 120 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 36->120 122 Tries to harvest and steal browser information (history, passwords, etc) 36->122 124 Tries to steal Crypto Currency Wallets 36->124 126 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 40->126 128 Checks if the current machine is a virtual machine (disk enumeration) 40->128 130 Creates processes via WMI 42->130 48 Mon0073407dbaf4.exe 42->48         started        100 ip-api.com 208.95.112.1, 49705, 80 TUT-ASUS United States 44->100 106 2 other IPs or domains 44->106 108 2 other IPs or domains 46->108 66 C:\Users\user\AppData\Local\...\LzmwAqmV.exe, PE32 46->66 dropped file15 132 Performs DNS queries to domains with low reputation 96->132 signatures16 process17 dnsIp18 84 live.goatgame.live 172.67.222.125, 443, 49712 CLOUDFLARENETUS United States 48->84 72 C:\Users\user\AppData\Local\Temp\sqlite.dll, PE32 48->72 dropped 52 conhost.exe 48->52         started        file19 process20
Threat name:
Win32.Trojan.Jaik
Status:
Malicious
First seen:
2021-08-23 12:18:02 UTC
AV detection:
29 of 46 (63.04%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:redline family:smokeloader family:vidar family:xloader botnet:706 botnet:pub1 campaign:ec33 aspackv2 backdoor infostealer loader persistence rat stealer suricata themida trojan
Behaviour
Checks SCSI registry key(s)
Creates scheduled task(s)
Gathers network information
Kills process with taskkill
Modifies system certificate store
Runs ping.exe
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Loads dropped DLL
Themida packer
ASPack v2.12-2.42
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
Xloader Payload
Process spawned unexpected child process
RedLine
RedLine Payload
SmokeLoader
Vidar
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
suricata: ET MALWARE JS/Nemucod requesting EXE payload 2016-02-01
suricata: ET MALWARE JS/Nemucod.M.gen downloading EXE payload
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
Malware Config
C2 Extraction:
https://eduarroma.tumblr.com/
http://aucmoney.com/upload/
http://thegymmum.com/upload/
http://atvcampingtrips.com/upload/
http://kuapakualaman.com/upload/
http://renatazarazua.com/upload/
http://nasufmutlu.com/upload/
viacetequn.site:80
http://www.chaturvedi.fyi/ec33/
Unpacked files
SH256 hash:
a18e5d223da775448e2e111101fe1f4ab919be801fd435d3a278718aa5e6ccba
MD5 hash:
0c6cae115465a83f05d3ff391fd009ac
SHA1 hash:
066ea93bb540ae4be0d2e522d4bb59eec74053ad
SH256 hash:
8963306b8dc579e19514edd491facb365cd40e16aaeecd475f2c355a724272bc
MD5 hash:
400653e50c7a17bba9549b6a191c0a1f
SHA1 hash:
11a7ce981de51465001bc0dfb3c348b4f2284d84
SH256 hash:
8a50b4a3ca9075a5e08e3f806db877c1b88305d13ba351276beed4a6fec8dd26
MD5 hash:
e75e1440eb164e13fa365e10ff894e7f
SHA1 hash:
0c24e02233a60a2eaeb293636c306d60acafe1ae
SH256 hash:
3001a2f2078c662d868c8893fac751274028d1b43ba3a8d96ae703a162d25892
MD5 hash:
896f2994b5067ca2dde8a62d8fc79328
SHA1 hash:
0230b505866ece8874ccf4a3fa939ff26be0ea77
SH256 hash:
bbac19cd128ab80e3b3bac0ec376b59849a0f0b708bc2a25822da7539d0ee368
MD5 hash:
c0a023f0be7dac401574538316832fbd
SHA1 hash:
cd23034c86d4e7889e492a2d74f25508e0d4de18
SH256 hash:
bdd9bd0cd6ef4ff8fe3eb342a26b2807368168981ad7575bda97095f1daf92ce
MD5 hash:
cd735fe854e7d8ed00490e7ca2c90698
SHA1 hash:
9ef46b0895cab1cc4de70ee7e58d90c7ced4c232
SH256 hash:
17c147ac8e49a73f89779a8b8080fa87362d25b852b2c361adccb85357f8f426
MD5 hash:
b49d05eb5b98ea48962058b8d087a4fc
SHA1 hash:
9e396b5849936baa5094139a44787c11ae19d436
SH256 hash:
0564a71d2bb0d9b035c1ef22b1fde37fb36ee31f963499d24d0e688dbaa02d5d
MD5 hash:
d027b7c822b74db5fd7445243959490f
SHA1 hash:
6f296efb8aee253a03a5c76bb650d4808530fe45
SH256 hash:
08485cc4e06163db59d27f0165621214c7e3723ebabd25f6887196bce431e9e8
MD5 hash:
add28e797fd8ff4abd9894dd9d18052a
SHA1 hash:
4fb00ba4923e0061d6bd3cfc32a215bec9346c7d
SH256 hash:
93ceb96ff1dcf3e9d8167efedb588790635e92693de9030086e740684a05b924
MD5 hash:
fb108da5b975ef4806285a8c6b1027a8
SHA1 hash:
486cca0bbda98482a07fd3307c17e9015fb0121a
SH256 hash:
890db580fac738971bc7c714735ff6f1f2ee31edccd7881044da3e98452af664
MD5 hash:
408f2c9252ad66429a8d5401f1833db3
SHA1 hash:
3829d2d03a728ecd59b38cc189525220a60c05db
SH256 hash:
e1cc6a9d780602fe6e789bf5c3a27e87e197a4e3bf7c8138ea2f9dfec70fb963
MD5 hash:
f707252b9c9579677fffb013e0cfc646
SHA1 hash:
8ab483023fa8773afb8c13464c39c5b8e687f126
SH256 hash:
feacf0ca0c6af0eba09c8e235527d1eb0979005051ef68abba1a38f7815c0f84
MD5 hash:
806c20eb3d12ef4ed586250503b66948
SHA1 hash:
92d0c7844988c60a21b8bbbeb55aa350a3499254
SH256 hash:
e445300b437d90e669d79149b7cfdcbf8dd67b8d7765ed43efa912b4c51c465d
MD5 hash:
8a3e4d84b26c9bd4a44f5efab4fd92b3
SHA1 hash:
acd03f404d4de254c97d40948de4ca5bc291c882
SH256 hash:
358114ec72140409509297cfbfbfd0210fba9811fd68e224f2afb4b5840e0045
MD5 hash:
5ebec09f20ec9270781bd7363a87dfe1
SHA1 hash:
557d1df69148468b84fbf5317b824fa2c3352ea0
SH256 hash:
2b0796247c91b9a5c408c09ebbe301f73053a34e98646c40c542885a518ed15a
MD5 hash:
91b214052b8753d65ad9a818c27f4772
SHA1 hash:
a01097cd5c3afc0b1007c8d23fd6ddb901c64e72
SH256 hash:
d0c2208cac9cf894507b4d442c821dc2d85fd7fbb0d0ff5bc181cec4b3bfc6b9
MD5 hash:
7d0827371ad8d2a3c017fdd9b380edd3
SHA1 hash:
c2c1f423b6d22dc91b69e2261bd447e7f9f18640
Parent samples :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 hash:
257300a746f965991a7a1e4a98d64dc03b5ae710504f51f12f404a78a1aa91b4
MD5 hash:
8b7d91e78d5b39028596bb78b4cd8e63
SHA1 hash:
fc59a946dbf078b71e12ecd3f38576a66c7180bf
SH256 hash:
c33789989d58fce9bbde8cdd23576c881b5ed0c329dce641567db6ad9f10a1ed
MD5 hash:
7244224914ec43925ee9d7281e863cdb
SHA1 hash:
16b1a51ff9009692177a3a73ef30f9a19b91dded
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:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_RedLine
Author:ditekSHen
Description:Detects RedLine infostealer
Rule name:MALWARE_Win_Vidar
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:RedOctoberPluginCollectInfo
Rule name:SUSP_XORed_MSDOS_Stub_Message
Author:Florian Roth
Description:Detects suspicious XORed MSDOS stub message
Reference:https://yara.readthedocs.io/en/latest/writingrules.html#xor-strings
Rule name:Vidar
Author:kevoreilly
Description:Vidar Payload

File information


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

Comments