MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 73d3092b1f9a4b51d169f0757e120c8bb1e7d0a650a83dc00ea0dac2204df55a. 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
| SHA256 hash: | 73d3092b1f9a4b51d169f0757e120c8bb1e7d0a650a83dc00ea0dac2204df55a |
|---|---|
| SHA3-384 hash: | 7f0598a9a1a8c35b5894a4f8d29566f5284b3619408c811fbe78e4318868686cf987d37db2ec758130b785d921c0bb2c |
| SHA1 hash: | d940fb3d9cd6705618462fe148eb2a2091fd8b5a |
| MD5 hash: | ac36d5579c704d83e721a9a63975efcf |
| humanhash: | butter-summer-charlie-lactose |
| File name: | inv.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 350'208 bytes |
| First seen: | 2021-01-06 16:10:58 UTC |
| Last seen: | 2021-01-06 18:08:21 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 31c815897a3b55d8d8afcee958fa181c (3 x Formbook, 2 x AgentTesla, 1 x NanoCore) |
| ssdeep | 6144:7NrLL3ZbqFpa0o5XdqZkWgbhYUNU24tgSe8Yy2fCwnVKjxl4XpKVLcBAQYBDU1IL:7VZsUDYE0eKw6DeScBODUopb+fc |
| Threatray | 3'355 similar samples on MalwareBazaar |
| TLSH | 92744B26B788F6A6E18144B47209FFA610603C34692EC843F7C17B5B78725EE9916F1F |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
abuse_ch
Malspam distributing Formbook:HELO: alnassar.com.sa
Sending IP: 162.244.93.110
From: Márcia <enquiries@brainfarma.ind.br>
Reply-To: antoniomarcia@brainfarma.ind.br
Subject: New Order Inquiry
Attachment: New Order Inquiry.rar (contains "inv.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3.rar
Verdict:
Malicious activity
Analysis date:
2021-01-06 12:00:58 UTC
Tags:
trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Sending a UDP request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
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)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.Tnega
Status:
Malicious
First seen:
2021-01-06 16:11:08 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 3'345 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of UnmapMainImage
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.besthandstool.icu/uds2/
Unpacked files
SH256 hash:
96780ec9db13ea9c583ae3f70775d65cc521583642fcceb1cda226ac658d0fc4
MD5 hash:
fc848c305850f579606108594e4f5316
SHA1 hash:
7189d742820b68c8f3f5b84ac3f3c911535ca10a
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
73d3092b1f9a4b51d169f0757e120c8bb1e7d0a650a83dc00ea0dac2204df55a
MD5 hash:
ac36d5579c704d83e721a9a63975efcf
SHA1 hash:
d940fb3d9cd6705618462fe148eb2a2091fd8b5a
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.33
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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