MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 28f5c3a4a4a6340ee05d8c84b0093b16ebd7abb4f4fdf56be9e82a3b50faed05. 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: 12
| SHA256 hash: | 28f5c3a4a4a6340ee05d8c84b0093b16ebd7abb4f4fdf56be9e82a3b50faed05 |
|---|---|
| SHA3-384 hash: | 197ec4d81dbb08b24ff79f1568644176c28f032942fc608c3cab9f3ba0a50148fec4a2badd8431fe5cc29f6e89d6924d |
| SHA1 hash: | 9fbb92aa77897401ad0ba6d26ac3e16025c56dd1 |
| MD5 hash: | 8fda9f65955354d41a374296c18626d2 |
| humanhash: | mango-carolina-purple-gee |
| File name: | rRemittance_90523_03.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 706'048 bytes |
| First seen: | 2024-02-14 13:34:59 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:9IeQ5vziMP+FyQZv6DQhB28sed56yZlJmzG1yLu6EZXfYLPaTyEMKxxT:Grih70if6yZj8G1yL1tSyE/v |
| Threatray | 86 similar samples on MalwareBazaar |
| TLSH | T106E41230379A53EDC9A58B71293485C05776BB2ABF05CB5F2A09320D8D637235712EBB |
| 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) (4504/4/1) |
| Reporter |  FXOLabs |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
291
Origin country :
BRVendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
Trojan.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:
KeyBase
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2024-02-13 08:59:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
17 of 24 (70.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 76 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: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
db45c91f048f475e4fc2fdd60915c4360a9b54e7495427b4322c5033b114b2cb
MD5 hash:
51db6376d98468b832585c4e032f2d3a
SHA1 hash:
a8fa91d277a15bb73ee53c86b30d4f36309c4dc8
SH256 hash:
b3f2bcb08ae6ed77b51186dc73ac27afc31c9e3b175914fbc7e932a053024057
MD5 hash:
8edcf081ada9f28a2722afb40ac6e099
SHA1 hash:
9a1d6568a6063fccac7eef51a12cbdaa81b82262
SH256 hash:
fc54823029807d6e407123480049bae0d155cce7b5b8c8159dbd668770c48294
MD5 hash:
e3b8b0e47c9641d226989d7c61f524f1
SHA1 hash:
df2b8545f3d4462ee363a1f62308aeb874744341
SH256 hash:
971c821aa19832e04f1dd44b19cdb909d36d27be2f9e62edd10bf7887a43d15a
MD5 hash:
6d7a285502323918820b8513b5f33d75
SHA1 hash:
9633177bbb29c2563fec4a7dd381f4a278588437
SH256 hash:
54d575bdcb501c5abc82fd48b68207fd7dd9ccd75a328a643029d7a5b9fbbd88
MD5 hash:
3e74eb5e2b0217aba05631205b98f561
SHA1 hash:
76a0acaba08ab4d7c6b6e19f37912bfcedce6911
SH256 hash:
28f5c3a4a4a6340ee05d8c84b0093b16ebd7abb4f4fdf56be9e82a3b50faed05
MD5 hash:
8fda9f65955354d41a374296c18626d2
SHA1 hash:
9fbb92aa77897401ad0ba6d26ac3e16025c56dd1
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
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: | NET |
|---|---|
| Author: | malware-lu |
| 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.
Malspam
Delivery method
Distributed via e-mail attachment
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.