MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b4c98e5f455268459dbf8afce9997b4c4355ec30601dd290979a310773f0ed99. 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: | b4c98e5f455268459dbf8afce9997b4c4355ec30601dd290979a310773f0ed99 |
|---|---|
| SHA3-384 hash: | 54dac875625addf125529840c5a0dbb2f714ae91735f65d741ed9c389bdbca301e1fb19d3f9903a7dac83baa5e2c06ec |
| SHA1 hash: | 70aa176e7a363b0bc82c62daa029ecf5b471ff8b |
| MD5 hash: | c167a030f4e6252f380c5d177282cfbe |
| humanhash: | music-beer-william-social |
| File name: | c167a030f4e6252f380c5d177282cfbe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 267'264 bytes |
| First seen: | 2023-04-21 18:04:15 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 3072:bw2zOh1XA2eOECpKAGelMUdsQ0ffIE5FOiPihtzHju/D6X9zWvn7GPTLbw:bw2y2kppKAGTUdsQ0omdihtO/+NzWqL |
| Threatray | 652 similar samples on MalwareBazaar |
| TLSH | T1DE44F91937E84916F1FF5BBDAC7101C48EB6FC46A83ADB4E848538DC0E967A588513B3 |
| TrID | 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | 92e0b496a6cada72 (12 x RedLineStealer, 7 x RaccoonStealer, 5 x BlankGrabber) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
279
Origin country :
FRVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
DHL_CBJ230215152420.xls
Verdict:
Malicious activity
Analysis date:
2023-04-21 15:44:44 UTC
Tags:
exploit cve-2017-11882 opendir loader formbook xloader trojan stealer
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
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
greyware 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.
Malware family:
PureCrypter
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
Found malware configuration
Injects a PE file into a foreign processes
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2023-04-21 17:11:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
14 of 21 (66.67%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 642 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:my28 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
b4c98e5f455268459dbf8afce9997b4c4355ec30601dd290979a310773f0ed99
MD5 hash:
c167a030f4e6252f380c5d177282cfbe
SHA1 hash:
70aa176e7a363b0bc82c62daa029ecf5b471ff8b
Malware family:
XLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
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: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Windows_Trojan_Formbook |
|---|---|
| Author: | @malgamy12 |
| Rule name: | Windows_Trojan_Formbook_1112e116 |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_formbook_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.formbook. |
| Rule name: | win_formbook_w0 |
|---|---|
| Author: | @malgamy12 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
Comments
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You need to login to in order to write a comment. Login with your abuse.ch account.url : hxxp://172.245.214.178/101/vbc.exe