MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 66e9a440c0e4719ed9c472be00302f7a1176f48b5e0153284abc0c8060d70306. 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: | 66e9a440c0e4719ed9c472be00302f7a1176f48b5e0153284abc0c8060d70306 |
|---|---|
| SHA3-384 hash: | 9db66fa3fec5810d5e6414ff2bfdb87145e69ec8df2e815acaf4eed8360becb1b6e2e8d8a81a995bf713e661b8487da9 |
| SHA1 hash: | 2f38ef814c67f71710b359308be5b980ac54ec46 |
| MD5 hash: | 0a9de49281cf90a99f03cb917ac16afe |
| humanhash: | nuts-purple-eighteen-six |
| File name: | 0a9de49281cf90a99f03cb917ac16afe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 239'955 bytes |
| First seen: | 2021-09-03 18:04:59 UTC |
| Last seen: | 2021-09-03 21:13:55 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ced282d9b261d1462772017fe2f6972b (127 x Formbook, 113 x GuLoader, 70 x RemcosRAT) |
| ssdeep | 6144:S9X0G6PHRrBTA8lVcf5fNMRkjqm5kDy8iGLkA:00zfRxAschfSOczToA |
| Threatray | 9'042 similar samples on MalwareBazaar |
| TLSH | T190341246AB80E8FFC6F747304DB481BC97F651211064EB1BA7813A1EB4123D78D6F6A6 |
| dhash icon | 0801010c2c000100 (3 x Formbook, 1 x Loki) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
361
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://rocktrade.alphacode.mobi/uploads/bin_Protected.exe
Verdict:
Malicious activity
Analysis date:
2021-09-03 17:16:00 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% subdirectories
DNS request
Sending a UDP request
Launching a process
Launching cmd.exe command interpreter
Connection attempt
Sending an HTTP GET request
Forced shutdown of a system process
Unauthorized injection to a system process
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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)
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
xloader
Threat name:
Win32.Trojan.Sabsik
Status:
Malicious
First seen:
2021-09-03 07:56:06 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
5/5
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 9'032 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:b5i8 loader rat suricata
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Xloader Payload
Suspicious use of NtCreateUserProcessOtherParentProcess
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.zs819.com/b5i8/
Unpacked files
SH256 hash:
ebf42762d8897c6bc786e178fdabedabd6be2ea39d08b4adf2ad8d3797214289
MD5 hash:
d759cb0262ddafedb36c0470d8f2072d
SHA1 hash:
f069ff3217b967a9df3ae04cfe0e3432f90b5d91
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
e002629da6dfdd31139df7739064cb17000f6f310bb08feb0ee48b1725adf8ce
MD5 hash:
b6ad4ef9fdc75d58d7583fc890b61ccf
SHA1 hash:
8e8710b6e6a6c32cfa8ae9b67e1988004461ff76
Detections:
win_formbook_g0
win_formbook_auto
SH256 hash:
66e9a440c0e4719ed9c472be00302f7a1176f48b5e0153284abc0c8060d70306
MD5 hash:
0a9de49281cf90a99f03cb917ac16afe
SHA1 hash:
2f38ef814c67f71710b359308be5b980ac54ec46
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
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: | crime_win32_ransom_avaddon_1 |
|---|---|
| Author: | @VK_Intel |
| Description: | Detects Avaddon ransomware |
| Reference: | https://twitter.com/VK_Intel/status/1300944441390370819 |
| Rule name: | Formbook |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | Ins_NSIS_Buer_Nov_2020_1 |
|---|---|
| Author: | Arkbird_SOLG |
| Description: | Detect NSIS installer used for Buer loader |
| Rule name: | win_formbook_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.formbook. |
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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