MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4841307c8072c7aa013a5b090f7b3ee0ad2af6ad9212781edd02806b4894239e. 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
| SHA256 hash: | 4841307c8072c7aa013a5b090f7b3ee0ad2af6ad9212781edd02806b4894239e |
|---|---|
| SHA3-384 hash: | 26d559439e316c9fa32e95b2835779059d0ca98808fd35f1d2e27717f340c62cac42c2c5af7507c828eb2ca4b3c7853a |
| SHA1 hash: | e98a8817b1f6c664a80a0c66f3f88ff63a5b0157 |
| MD5 hash: | 5353b45c9539a13e90412b00cffd5a5a |
| humanhash: | ten-seventeen-edward-golf |
| File name: | vbc.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 709'632 bytes |
| First seen: | 2021-08-30 14:06:24 UTC |
| Last seen: | 2021-08-30 15:37:47 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ef471c0edf1877cd5a881a6a8bf647b9 (74 x Formbook, 33 x Loki, 29 x Loda) |
| ssdeep | 12288:4Xe9PPlowWX0t6mOQwg1Qd15CcYk0We12Cua6K0EAYdKq5YNMdd3SVV9fXc0HYky:1hloDX0XOf4oCursAcKWdoXc0HYkraUs |
| Threatray | 9'913 similar samples on MalwareBazaar |
| TLSH | T144E4013D433C8657E209F734C9D1E63D46484A0521E1E3C0FA81ADAEBD9DB58E9C22E7 |
| Reporter |  James_inthe_box |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
vbc.exe
Verdict:
Malicious activity
Analysis date:
2021-08-30 14:13:25 UTC
Tags:
trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %temp% directory
Launching a process
Sending a UDP request
Unauthorized injection to a system process
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AutoIt script contains suspicious strings
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Sigma detected: Dridex Process Pattern
Sigma detected: Suspicious Svchost Process
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Auzenpak
Status:
Malicious
First seen:
2021-08-30 12:38:05 UTC
File Type:
PE (Exe)
Extracted files:
42
AV detection:
13 of 27 (48.15%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 9'903 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:att3 loader rat suricata upx
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Blocklisted process makes network request
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.travelscappadocia.com/att3/
Unpacked files
SH256 hash:
50f45ac535035db26548293a8bcb18d24e525f18cbc301ee295e8c8890896f42
MD5 hash:
bbb1d4c8cfa2b2f104c90af5a2794a45
SHA1 hash:
055c9e8785800737a8bb676e396af3e68077a5f8
SH256 hash:
4841307c8072c7aa013a5b090f7b3ee0ad2af6ad9212781edd02806b4894239e
MD5 hash:
5353b45c9539a13e90412b00cffd5a5a
SHA1 hash:
e98a8817b1f6c664a80a0c66f3f88ff63a5b0157
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.85
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Delivery method
Other
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