MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31168981af16e0fc209774a91e04e5aaf622cacbed12e970b7a35db0705174d6. 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 File information Comments

SHA256 hash: 31168981af16e0fc209774a91e04e5aaf622cacbed12e970b7a35db0705174d6
SHA3-384 hash: 2716ddf2f973724186b223d564b3a7fb079c60142c039e567a1c84e9d0fbaf613c8dc07385b6997f7f79ac893892e1fa
SHA1 hash: 1c0010a581699b261ab9d8cb6003a255dc82f1cd
MD5 hash: c1bc531d513deb02266dff1af0f97750
humanhash: mike-enemy-princess-lion
File name:Account Vefifications_xlsx.exe
Download: download sample
Signature Formbook
File size:282'741 bytes
First seen:2022-02-09 01:22:45 UTC
Last seen:2022-02-09 07:50:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 099c0646ea7282d232219f8807883be0 (476 x Formbook, 210 x Loki, 107 x AgentTesla)
ssdeep 6144:/wErrKbHOEnrd8BZswIemOWQV6BfpGEzGM0aeX2RfCKoWU7ab:3ibHOoZuZsEmOWQwxGEKM0cCKJ4ab
Threatray 13'145 similar samples on MalwareBazaar
TLSH T1C754124125A65897EC4F3FB50661A33AF37A7E99FD141A4B7B603E3508743CE41CA2A3
File icon (PE):PE icon
dhash icon 015c3eae8ede1c21 (15 x Formbook, 1 x Loki)
Reporter GovCERT_CH
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
210
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Launching a process
Launching cmd.exe command interpreter
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 568991 Sample: Account Vefifications_xlsx.exe Startdate: 09/02/2022 Architecture: WINDOWS Score: 100 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 4 other signatures 2->49 11 Account Vefifications_xlsx.exe 19 2->11         started        process3 file4 33 C:\Users\user\AppData\...\ymrmyuwbax.exe, PE32 11->33 dropped 14 ymrmyuwbax.exe 11->14         started        process5 signatures6 57 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 14->57 59 Tries to detect virtualization through RDTSC time measurements 14->59 61 Injects a PE file into a foreign processes 14->61 17 ymrmyuwbax.exe 14->17         started        process7 signatures8 35 Modifies the context of a thread in another process (thread injection) 17->35 37 Maps a DLL or memory area into another process 17->37 39 Sample uses process hollowing technique 17->39 41 Queues an APC in another process (thread injection) 17->41 20 explorer.exe 17->20 injected process9 process10 22 explorer.exe 20->22         started        signatures11 51 Modifies the context of a thread in another process (thread injection) 22->51 53 Maps a DLL or memory area into another process 22->53 55 Tries to detect virtualization through RDTSC time measurements 22->55 25 cmd.exe 1 22->25         started        27 explorer.exe 1 147 22->27         started        29 explorer.exe 98 22->29         started        process12 process13 31 conhost.exe 25->31         started       
Threat name:
Win32.Trojan.GenericML
Status:
Malicious
First seen:
2022-02-09 00:05:34 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader campaign:3a4h loader rat
Behaviour
Enumerates system info in registry
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
Drops file in Windows directory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Xloader Payload
Xloader
Unpacked files
SH256 hash:
24ee61c324678d40f0609d0f8b3e8233fb0c5f2a7e4df2981fa52d6f5490fbe7
MD5 hash:
151a64cf8aa7aaf85ada0f2461e0d973
SHA1 hash:
e859084d1fee40c205f4da354d3d727786ff758e
SH256 hash:
31168981af16e0fc209774a91e04e5aaf622cacbed12e970b7a35db0705174d6
MD5 hash:
c1bc531d513deb02266dff1af0f97750
SHA1 hash:
1c0010a581699b261ab9d8cb6003a255dc82f1cd
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

Formbook

Executable exe 31168981af16e0fc209774a91e04e5aaf622cacbed12e970b7a35db0705174d6

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

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