MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 81088414af30d63ef3abe12926a308e5ef20a0b75c3ccbc9a5f886cb4b78f39a. 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: 9
| SHA256 hash: | 81088414af30d63ef3abe12926a308e5ef20a0b75c3ccbc9a5f886cb4b78f39a |
|---|---|
| SHA3-384 hash: | 8928a03188206230b45b09460def699f5e1949d9dd02354d63e5d7d93b3725c57cb8ceb3c1d97ca9dd79377c9653ea84 |
| SHA1 hash: | b8f9c2aabd55fae74a2ed016e87336b844dbfb9f |
| MD5 hash: | 2a505aca1b907ea51c99e9d3ccada87c |
| humanhash: | jupiter-wisconsin-robert-florida |
| File name: | SecuriteInfo.com.Win32.CrypterX-gen.17788.27826 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 595'968 bytes |
| First seen: | 2024-01-30 20:35:32 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 | 12288:pv+aefZumiXlRtigIw2BNLCXqRQtHdqrt218q72dY8l:pma6u/ZKCcmdqw6S2dR |
| Threatray | 2 similar samples on MalwareBazaar |
| TLSH | T1A3C402289A749F12F93C0FF621B4B911E3F122972516D7B91CD920C92BB3F250B45EA7 |
| TrID | 30.2% (.EXE) Win64 Executable (generic) (10523/12/4) 18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 14.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 12.9% (.EXE) Win32 Executable (generic) (4505/5/1) 5.9% (.ICL) Windows Icons Library (generic) (2059/9) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
308
Origin country :
FRVendor Threat Intelligence
Detection:
n/a
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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.
Verdict:
Unknown
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains process injector
.NET source code references suspicious native API functions
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
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Suspicious Process Parents
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.CrypterX
Status:
Malicious
First seen:
2024-01-30 18:07:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
10 of 38 (26.32%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
81088414af30d63ef3abe12926a308e5ef20a0b75c3ccbc9a5f886cb4b78f39a
MD5 hash:
2a505aca1b907ea51c99e9d3ccada87c
SHA1 hash:
b8f9c2aabd55fae74a2ed016e87336b844dbfb9f
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: | 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: | pe_imphash |
|---|
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no 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.
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