MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8b25ea4da838b10b4a09a36c9c29d4c081d93f075550e60f46b286bcabeb9819. 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: 14
| SHA256 hash: | 8b25ea4da838b10b4a09a36c9c29d4c081d93f075550e60f46b286bcabeb9819 |
|---|---|
| SHA3-384 hash: | 320f3b889999bc3ba66f061b4d3ac3a29beece0f15c3d4559a15a9ba31369105239bb0815ada85f175b020d0a61cbef3 |
| SHA1 hash: | 92945340a21a64366ae27d9d87d20f4d285bb28b |
| MD5 hash: | 5a51b1e02652e98191bf9a4ccf9477ff |
| humanhash: | cat-crazy-mirror-avocado |
| File name: | file.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 901'632 bytes |
| First seen: | 2024-06-03 06:32:01 UTC |
| Last seen: | 2024-06-03 07:29:08 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 24576:4MYeS/YN5ipUWIEW9+YO3lUU/2c3DeBE8dg2pYFu:4MYeHN5iiEW9+YdU/2cKBsFU |
| TLSH | T1AE15E000F3E83E5BD17A55BA9234811847F9B995749FE6CC6CC034DE8EE6B110B6326B |
| 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) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| File icon (PE): |  |
| dhash icon | cca6032939292d92 (16 x AgentTesla, 8 x Formbook, 2 x Loki) |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
330
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8b25ea4da838b10b4a09a36c9c29d4c081d93f075550e60f46b286bcabeb9819.exe
Verdict:
Malicious activity
Analysis date:
2024-06-03 06:43:26 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Link:
Tags:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Verdict:
Suspicious
Threat level:
5/10
Confidence:
89%
Tags:
formbook packed vbnet
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.
Malware family:
Malicious Packer
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 contains very large array initializations
AI detected suspicious sample
Found direct / indirect Syscall (likely to bypass EDR)
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)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Trojan.LokiBot
Status:
Malicious
First seen:
2024-06-03 01:31:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
24 of 38 (63.16%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
7f092cd56f94ab2ecee5c258d28efaf00174643d10f6099c1a30161bc396b5dd
MD5 hash:
8a14c4bf871f2e003c11fb5b931c292b
SHA1 hash:
64d7d9cbe63276e429880f4016a97f1db988715f
SH256 hash:
9f893195c4d8f5d2415dd084908ed11b93fc43315bf6155991c6f77001d0aa94
MD5 hash:
d18279ae3e9c00d067ff9f15c9c1c317
SHA1 hash:
ec9129501ddb4eed1a4de3bea0aa8edbe2015515
SH256 hash:
e9998186539ca51426b65291b1121d58fdc225ef141b36e5216d8ab906f8e89b
MD5 hash:
c0f650e3cd0eb265480f6d0fd3cf6864
SHA1 hash:
bdeca81766a9fea1dd4544418a59bf7c916a904c
SH256 hash:
1a1de9f3fe4c3a7ea7cd547cdd9d78b3873d6e243e544e5bb647452d6d9f6cfe
MD5 hash:
ceb52a5c98659e8905ea76737fe00c01
SHA1 hash:
bb7b30ff84d6aa26eaa0021c9fa3cd2c5a08e694
SH256 hash:
c8bbd9e433eba246736cedbd1c3f94421900c0941d71c55e44922f508e74deca
MD5 hash:
647b75bd5e9a14dc739faa84e26199fd
SHA1 hash:
a9ee22c6d80b96fbbcdd41c86421a57f3afee25b
SH256 hash:
8b25ea4da838b10b4a09a36c9c29d4c081d93f075550e60f46b286bcabeb9819
MD5 hash:
5a51b1e02652e98191bf9a4ccf9477ff
SHA1 hash:
92945340a21a64366ae27d9d87d20f4d285bb28b
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
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: | maldoc_getEIP_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| 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 |
|---|---|
| Description: | Detect pe file that no import table |
| 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.
No further information available
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
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