MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 899d28616600c3199191bb4c4032178204a3b2b4303906e40ca69aea26e7eb67. 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: 12
| SHA256 hash: | 899d28616600c3199191bb4c4032178204a3b2b4303906e40ca69aea26e7eb67 |
|---|---|
| SHA3-384 hash: | 993cfb4ac12514a5863a6619b22198baa60f0f13fafbb1c5157060f11d078bcae39d95c56503416be88d6935c79ba30a |
| SHA1 hash: | 92ae5ce625b8af7c82233f6f2e2f85eec8ea54d5 |
| MD5 hash: | 2ffc43d9e4d2482e7acfdcef863fe7e9 |
| humanhash: | triple-bacon-florida-nebraska |
| File name: | 2ffc43d9e4d2482e7acfdcef863fe7e9.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'775'104 bytes |
| First seen: | 2021-02-03 18:42:40 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 6144:8y6JKi5i1KjAhbNxWqvZiQesGuRjCgUBrPKKy5qx14s9P7awfCHFSH7lgHFU63Nw:8y6 |
| Threatray | 3'726 similar samples on MalwareBazaar |
| TLSH | D28542382E3F3946E405558F0C4BCF7AAF6D42355568502CA6BF6029B20FD16AAFBC71 |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
150
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Material Requisition.xlsx
Verdict:
Malicious activity
Analysis date:
2021-02-03 07:38:58 UTC
Tags:
encrypted exploit CVE-2017-11882 loader
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
Running batch commands
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a file
Sending a UDP request
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
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides threads from debuggers
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
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
Uses ipconfig to lookup or modify the Windows network settings
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Status:
Malicious
First seen:
2021-02-03 08:33:13 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 3'716 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook ransomware rat spyware stealer trojan
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.paeonystore.com/kre/
Unpacked files
SH256 hash:
cbda6c8ff7b5dd304c5b187d30038b5ec4ceff68fa9bf91a7ff66b2ebde52a29
MD5 hash:
f90154b9e9d525b75d7f41a75d2f5c66
SHA1 hash:
5a1917be1e96bc8608d2e1a47224a853a11b4951
SH256 hash:
522ca117af0c25ce929471f3ed9726d1e47a8798f69b42eba1ed82143f6b692f
MD5 hash:
fb1a3d7209adf06f051e0a91b2bdbeef
SHA1 hash:
5162751e77b81b6c15825e11b2578d99c4bc61f1
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
899d28616600c3199191bb4c4032178204a3b2b4303906e40ca69aea26e7eb67
MD5 hash:
2ffc43d9e4d2482e7acfdcef863fe7e9
SHA1 hash:
92ae5ce625b8af7c82233f6f2e2f85eec8ea54d5
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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