MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90661f85c7864f95181eceebf32eafd0b4b166aebdfdf5529edfc3a3dd6c0715. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash: 90661f85c7864f95181eceebf32eafd0b4b166aebdfdf5529edfc3a3dd6c0715
SHA3-384 hash: feed9354393f707824b7a0abac2ebb4560fa2ee42a6e89592158bde4c47c99a7ff21a97e82dfeefc707609a04402e6d7
SHA1 hash: 311b128e5ef3995c04a754679237b778e85e7203
MD5 hash: 9bb0511e947ca2a8ce34153f1b76400a
humanhash: winter-maine-colorado-mango
File name:rocviud123.exe
Download: download sample
Signature Formbook
File size:260'433 bytes
First seen:2021-09-30 17:24:23 UTC
Last seen:2021-09-30 18:22:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:F8LxBsdDrjj5vm5YSdGaXKtScc7YIYut/5IFK9ae/TlUU/1160g:/dhOmSt+tstBIFK9D/TlpdBg
Threatray 9'794 similar samples on MalwareBazaar
TLSH T1A94412E769C09DBBD1211BB059FAE734F27E429181A4394B0BDC6E8B9A5012F4F2D3C5
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter pr0xylife
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rocviud123.exe
Verdict:
Malicious activity
Analysis date:
2021-09-30 20:14:25 UTC
Tags:
trojan formbook stealer

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 file
Creating a window
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 494598 Sample: rocviud123.exe Startdate: 30/09/2021 Architecture: WINDOWS Score: 100 31 www.macblog.xyz 2->31 33 macblog.xyz 2->33 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 5 other signatures 2->47 11 rocviud123.exe 17 2->11         started        signatures3 process4 file5 29 C:\Users\user\AppData\Local\...\sapoqnmyo.dll, PE32 11->29 dropped 59 Detected unpacking (changes PE section rights) 11->59 61 Tries to detect virtualization through RDTSC time measurements 11->61 63 Injects a PE file into a foreign processes 11->63 15 rocviud123.exe 11->15         started        signatures6 process7 signatures8 65 Modifies the context of a thread in another process (thread injection) 15->65 67 Maps a DLL or memory area into another process 15->67 69 Sample uses process hollowing technique 15->69 71 Queues an APC in another process (thread injection) 15->71 18 explorer.exe 15->18 injected process9 dnsIp10 35 www.cjspizza.net 66.96.147.144, 49818, 80 BIZLAND-SDUS United States 18->35 37 800car.online 2.57.90.16, 49819, 80 AS-HOSTINGERLT Lithuania 18->37 39 www.800car.online 18->39 49 System process connects to network (likely due to code injection or exploit) 18->49 22 cscript.exe 18->22         started        signatures11 process12 signatures13 51 Self deletion via cmd delete 22->51 53 Modifies the context of a thread in another process (thread injection) 22->53 55 Maps a DLL or memory area into another process 22->55 57 Tries to detect virtualization through RDTSC time measurements 22->57 25 cmd.exe 1 22->25         started        process14 process15 27 conhost.exe 25->27         started       
Threat name:
Win32.Trojan.Nsisx
Status:
Malicious
First seen:
2021-09-30 16:41:44 UTC
AV detection:
17 of 45 (37.78%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:rv9n rat spyware stealer trojan
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.cjspizza.net/rv9n/
Unpacked files
SH256 hash:
90661f85c7864f95181eceebf32eafd0b4b166aebdfdf5529edfc3a3dd6c0715
MD5 hash:
9bb0511e947ca2a8ce34153f1b76400a
SHA1 hash:
311b128e5ef3995c04a754679237b778e85e7203
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_Stomped_PECompilation_Timestamp_InTheFuture
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.

Comments