MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 99c02a7c1b1ddaa81bdfdae23ede32858e8c8acfb4b14556202e4c427cdd7b4b. 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: | 99c02a7c1b1ddaa81bdfdae23ede32858e8c8acfb4b14556202e4c427cdd7b4b |
|---|---|
| SHA3-384 hash: | 42abfe36c0683bc723a58b2075c298cf038f1c8f4211bcb6fe6a6e31f72cfea36ca55bedbeb7ce92c80adf510b7e3583 |
| SHA1 hash: | 9e1627ae2217e2df42f8286fa96aefcaedcf0714 |
| MD5 hash: | 5e05c35758558bf936b2a5d460fc10c6 |
| humanhash: | lithium-papa-fruit-monkey |
| File name: | SecuriteInfo.com.Trojan.PackedNET.1293.15096.13658 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 468'464 bytes |
| First seen: | 2022-09-28 19:07:47 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (49'234 x AgentTesla, 20'488 x Formbook, 12'372 x SnakeKeylogger) |
| ssdeep | 6144:CKtGsCr2L2Ai/dpxEEsHF1yZvKFc8fDJdBxCfRI5+cYjZBvQqa+:ftGVr2L2Ai/TR01y6cIJxORIscYjToq |
| Threatray | 1'079 similar samples on MalwareBazaar |
| TLSH | T19DA40734A1F16ACDE896CEB29E60EA09FFE31D519A42821FE03539F64137785D6041FE |
| 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% (.EXE) Win16/32 Executable Delphi generic (2072/23) |
| File icon (PE): |  |
| dhash icon | 10808a8c8c8a8010 (78 x Formbook, 51 x AgentTesla, 47 x RemcosRAT) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
342
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
80%
Tags:
obfuscated overlay packed
Malware family:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Injects a PE file into a foreign processes
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
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 1'069 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:formbook family:xloader campaign:nrln loader rat spyware stealer trojan
Behaviour
Modifies Internet Explorer settings
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
Suspicious use of SetThreadContext
Loads dropped DLL
Blocklisted process makes network request
Formbook
Xloader
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
5fd1101fd4609bc02587075cefba65f58571615119186762cbdbb5a44ea5fb22
MD5 hash:
01080f1e20e4b55f396398cd1f88d901
SHA1 hash:
22958d41e3ffcfe52737c67e274603ea609f6325
SH256 hash:
8f9609be679d18fbd395386cd111741d7493ec566e03e880b1f1df396531c638
MD5 hash:
20450abdeeebae51484204e15ee819b3
SHA1 hash:
4ad7992926fd987f2d324fb2105ba1bee5aad2c5
SH256 hash:
99c02a7c1b1ddaa81bdfdae23ede32858e8c8acfb4b14556202e4c427cdd7b4b
MD5 hash:
5e05c35758558bf936b2a5d460fc10c6
SHA1 hash:
9e1627ae2217e2df42f8286fa96aefcaedcf0714
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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: | BAZT_B5_NOCEXInvalidStream |
|---|
| Rule name: | INDICATOR_EXE_Packed_ConfuserEx |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with ConfuserEx Mod |
| Rule name: | NETDIC208_NOCEX_NOREACTOR |
|---|
| 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.
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