MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0f88aa4820442a6a0d40d827dfe62b442bba3cc1224ce12cf004912a3aaf3277. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: 0f88aa4820442a6a0d40d827dfe62b442bba3cc1224ce12cf004912a3aaf3277
SHA3-384 hash: 7e7843789fe86c90acdc084197f2f8fae0b8feb6b823a7b62b2e21b9e492bc96be8b6694ccabdb66a4e3b88b957fa022
SHA1 hash: 6b30cccfc0b40b9da7fff531f9cce6d28ca790d3
MD5 hash: 6f4d406a169859a1e0c2fd0288b98eff
humanhash: failed-two-south-november
File name:Proforma Invoice Reconfirmation Details + TT Authorization Details.exe
Download: download sample
Signature Formbook
File size:845'824 bytes
First seen:2022-12-31 20:53:11 UTC
Last seen:2022-12-31 22:29:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:zVpbpWMEp5oP16PM7SYJP05DJfTYqrBWz/0WWJgf1UmDw5aK39b5Wx:zVpbwv5odeM7SYJc5DFLWznOQ45aI9k
TLSH T19F05BFB7187721D0CE920235C63A2C140C0E9AFC4B5296B67AE3B66FD6489CD79D4CB7
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
209
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Proforma Invoice Reconfirmation Details + TT Authorization Details.exe
Verdict:
Malicious activity
Analysis date:
2022-12-31 20:53:38 UTC
Tags:
formbook xloader

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

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
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
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 776404 Sample: Proforma Invoice Reconfirma... Startdate: 31/12/2022 Architecture: WINDOWS Score: 100 57 Malicious sample detected (through community Yara rule) 2->57 59 Sigma detected: Scheduled temp file as task from temp location 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 11 other signatures 2->63 9 Proforma Invoice Reconfirmation Details + TT Authorization Details.exe 7 2->9         started        13 GvlClloVhmcf.exe 5 2->13         started        process3 file4 49 C:\Users\user\AppData\...behaviorgraphvlClloVhmcf.exe, PE32 9->49 dropped 51 C:\Users\...behaviorgraphvlClloVhmcf.exe:Zone.Identifier, ASCII 9->51 dropped 53 C:\Users\user\AppData\Local\...\tmp9587.tmp, XML 9->53 dropped 55 Proforma Invoice R...ion Details.exe.log, ASCII 9->55 dropped 65 Adds a directory exclusion to Windows Defender 9->65 67 Injects a PE file into a foreign processes 9->67 15 Proforma Invoice Reconfirmation Details + TT Authorization Details.exe 9->15         started        18 powershell.exe 21 9->18         started        20 schtasks.exe 1 9->20         started        26 2 other processes 9->26 69 Multi AV Scanner detection for dropped file 13->69 71 Machine Learning detection for dropped file 13->71 73 Tries to detect virtualization through RDTSC time measurements 13->73 22 GvlClloVhmcf.exe 13->22         started        24 schtasks.exe 1 13->24         started        signatures5 process6 signatures7 81 Modifies the context of a thread in another process (thread injection) 15->81 83 Maps a DLL or memory area into another process 15->83 85 Sample uses process hollowing technique 15->85 87 Queues an APC in another process (thread injection) 15->87 28 help.exe 15->28         started        31 explorer.exe 15->31 injected 33 conhost.exe 18->33         started        35 conhost.exe 20->35         started        37 cscript.exe 22->37         started        39 conhost.exe 24->39         started        process8 signatures9 75 Modifies the context of a thread in another process (thread injection) 28->75 77 Maps a DLL or memory area into another process 28->77 79 Tries to detect virtualization through RDTSC time measurements 28->79 41 cmd.exe 1 28->41         started        43 cmd.exe 1 37->43         started        process10 process11 45 conhost.exe 41->45         started        47 conhost.exe 43->47         started       
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-12-26 08:16:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:as48 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
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
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
fc6485350cf55dc14ecbfd9b91b7a9979f61023b4104101e9f351caa6c73abaa
MD5 hash:
6c3fdb2b5d93cf814ea1b6ca05a0efcf
SHA1 hash:
f8ae5f9fa1c9b6b0e47b2f0873d2ee3373e0ebf5
SH256 hash:
fd7d86078ed0660752d45cece25db455655001d9704bce406f239c946f7cad22
MD5 hash:
f4c79c093b5fa9ad206dd664a2b7b724
SHA1 hash:
42a293e1490fef4f62ec80adc97d28e89841ca72
SH256 hash:
15f533fc13a70fb53344a908a51e23d07b930452795fc0017b4077a9774c836f
MD5 hash:
4117bb82c44e72d8f64fa74cf8b44abb
SHA1 hash:
295badd633f7be256400b63381d304a7359880c0
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
SH256 hash:
0f88aa4820442a6a0d40d827dfe62b442bba3cc1224ce12cf004912a3aaf3277
MD5 hash:
6f4d406a169859a1e0c2fd0288b98eff
SHA1 hash:
6b30cccfc0b40b9da7fff531f9cce6d28ca790d3
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

Formbook

Executable exe 0f88aa4820442a6a0d40d827dfe62b442bba3cc1224ce12cf004912a3aaf3277

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments