MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8495fabded88dfe472377e57138c0cc02818633148db0eb10339d490899d19ec. 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: | 8495fabded88dfe472377e57138c0cc02818633148db0eb10339d490899d19ec |
|---|---|
| SHA3-384 hash: | fb598aa775340de15a44307674af1a9e9e718a18a88ac250a7da638dab0e430bc465ccdb8546d066cfda6e3e9dacf9d2 |
| SHA1 hash: | a1db2b39e91c49fdb5a7cf609cd96a3e2f43d399 |
| MD5 hash: | aa88d810ec2c9acbd204e4eb7916c3b9 |
| humanhash: | arizona-enemy-foxtrot-november |
| File name: | SecuriteInfo.com.Trojan.DownloaderNET.346.2603.24761 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 74'592 bytes |
| First seen: | 2022-10-11 03:41:02 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 1536:cgNS8UV49vIH4pga/eHUTQQQQQQQBdBgN6b5/2kWSC6WLrxtDvas:lS86OIYpga/eHUTQQQQQQkdBft/2YWL3 |
| Threatray | 220 similar samples on MalwareBazaar |
| TLSH | T162738E46C7D10423D96A8E73B0D396C71BB0B20D5DD14AA794CDB01A0E8F38A799BBDD |
| TrID | 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.9% (.EXE) Win64 Executable (generic) (10523/12/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.7% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.2% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | 550959654d651945 (37 x Formbook, 28 x AgentTesla, 14 x RemcosRAT) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a file
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Searching for synchronization primitives
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated overlay packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-10-11 03:19:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
15 of 26 (57.69%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 210 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
3/10
Tags:
n/a
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
8495fabded88dfe472377e57138c0cc02818633148db0eb10339d490899d19ec
MD5 hash:
aa88d810ec2c9acbd204e4eb7916c3b9
SHA1 hash:
a1db2b39e91c49fdb5a7cf609cd96a3e2f43d399
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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: | pdb_YARAify |
|---|---|
| Author: | @wowabiy314 |
| Description: | PDB |
| 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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