MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b5b00d9aeb01e19c7c47fc3ef26eb6b232369156e889349897e24a590ad5117c. 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: 13
| SHA256 hash: | b5b00d9aeb01e19c7c47fc3ef26eb6b232369156e889349897e24a590ad5117c |
|---|---|
| SHA3-384 hash: | 08943fb94da7db199d26a1492ceac92c79ba3d28d4a579f9090170e9285d0fe6c6baa7b8714704f3237b74d7dfb4b3a3 |
| SHA1 hash: | d23b3f34acf8c41d0aed311c12e110d5cccde806 |
| MD5 hash: | 649aa1a7fb22bdde7c2aebad8966d777 |
| humanhash: | angel-idaho-autumn-steak |
| File name: | XLT0090008000000.bat |
| Download: | download sample |
| Signature | Formbook |
| File size: | 530'432 bytes |
| First seen: | 2023-10-12 15:13:10 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:fok4fD2S+Z5m81XkqyxJZwR9f5RUsk6ceXh6:fd4bzm5m81XkbHml5isk6L8 |
| Threatray | 80 similar samples on MalwareBazaar |
| TLSH | T14CB4DF3261688E9DE62A8BB8835197CD07EEB5167000EE1B5E8A33CDE6F3F044551B77 |
| TrID | 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.2% (.SCR) Windows screen saver (13097/50/3) 9.0% (.EXE) Win64 Executable (generic) (10523/12/4) 5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| Reporter |  cocaman |
| Tags: | bat exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
301
Origin country :
NOVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
XLT0090008000000.bat
Verdict:
Malicious activity
Analysis date:
2023-10-12 15:16:06 UTC
Tags:
n/a
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
Launching a process
Creating a file
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
masquerade packed
Verdict:
Malicious
Labled as:
Zusy.Generic
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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
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 AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Zusy
Status:
Malicious
First seen:
2023-10-10 03:15:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
22 of 38 (57.89%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 70 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
e1585d5b68e70d55a0aaac0e87c51632297c064c227e5e2c3ee580ec3e59e1ca
MD5 hash:
6dd557567d50c658b8b8434733a9287e
SHA1 hash:
becabd9e8a696c307c722336e10f125c157d776c
SH256 hash:
075244c206c1d594d36ced6c100824d57075b59a0ad8cbcc227fa335771a389c
MD5 hash:
0cc10cc65da7c1e226c0a77afb4c1733
SHA1 hash:
b3f8e5cba3852d8b668fecfe403d2e433ec980f9
SH256 hash:
2df81b7a7580dd8099502f1caaf6ecf3af80d9b04ffe32cf2ac7834d944cc1f2
MD5 hash:
4cfae6afed1c1626499592c0d6711f93
SHA1 hash:
9f41bbd487e22867d3942e0db7a394ae00a69009
SH256 hash:
4c033432e01c48d69fa34104a769123b1bc19ffdda793125c89598bb93a293d4
MD5 hash:
d9d6f43ff2a48b7be78fb1fe58c0b71c
SHA1 hash:
43a921f5c599c23dc84399d27dfae2ef6a90423f
SH256 hash:
b5b00d9aeb01e19c7c47fc3ef26eb6b232369156e889349897e24a590ad5117c
MD5 hash:
649aa1a7fb22bdde7c2aebad8966d777
SHA1 hash:
d23b3f34acf8c41d0aed311c12e110d5cccde806
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
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: | DebuggerCheck__GlobalFlags |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerHiding__Active |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerHiding__Thread |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | maldoc_find_kernel32_base_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | maldoc_getEIP_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | pe_no_import_table |
|---|---|
| Author: | qux |
| Description: | Detects exe does not have import table |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| 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.
Malspam
Delivery method
Other
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