MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 18d20fd91591afb27d3f5fc50ce02f574e8dd871cd94572f4aae29928e55646e. 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: 15
| SHA256 hash: | 18d20fd91591afb27d3f5fc50ce02f574e8dd871cd94572f4aae29928e55646e |
|---|---|
| SHA3-384 hash: | 135c7484b222e798bf5ab2e99fd286b42976886077343abe7194aea353da3cdd2a511cf1613f538b12d4b815c0dc9ee8 |
| SHA1 hash: | 6397a63be0cee346fa49d976d80cf31c7b3d5b90 |
| MD5 hash: | b3c05919b9c5211ba45fb127e9ad619b |
| humanhash: | maryland-four-football-missouri |
| File name: | b3c05919b9c5211ba45fb127e9ad619b.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 528'384 bytes |
| First seen: | 2022-06-29 16:10:58 UTC |
| Last seen: | 2022-07-15 03:33:12 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:MtNeF3tkPAKbC4DumpRI8G1eidHi4QGcd7fcagDYer:AefkoKuUc1384QGYLoY |
| TLSH | T19FB4124126E47FAFD17577B3293000111BBE63EF6C36E66EC982F1C941B2B80D516ADA |
| 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) (4505/5/1) 2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23) |
| File icon (PE): |  |
| dhash icon | 00c0c4e4e4c4c000 (11 x Formbook, 9 x AgentTesla, 7 x Loki) |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
3
# of downloads :
225
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
packed
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:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-29 08:51:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 26 (76.92%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:j1a4 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook Payload
Formbook
Unpacked files
SH256 hash:
2a672c4e5c846e9ef787739d25007f71e68b6c72145a4129343bf68ecac3ec77
MD5 hash:
ddabe5a73c021775fde66ac16dab1adf
SHA1 hash:
a12846bcb248e051eac3bd6044f9b1071963e406
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
SH256 hash:
0aa8ea56f670ef5041fe87ee1a27b6623c2cf7996ed489214aa076996ca40cac
MD5 hash:
faf84cab64260654988db2f9157f8f89
SHA1 hash:
e1e6ebeaf252c78e74c1355cdefc6a2c52cfab70
SH256 hash:
7df842df478636f4d0bf13a16904a377511fa30e3c87702040ae19843c05ad13
MD5 hash:
69f410c73b72f6d4b50ed56da90f8ab1
SHA1 hash:
eb1dfc20e3c6d60f0ac5e3f0bb13f3ef3e8c1506
SH256 hash:
c4d25a94f64a08fe19841c06831ac7a2d5c0b7465c61f530caa181dd84d9b82e
MD5 hash:
ef817e63ae0a0a27ed243ce851d22a43
SHA1 hash:
08c144a7c20316f6f28ac71156f2175a8b30d68c
Detections:
win_formbook_g0
win_formbook_auto
FormBook
SH256 hash:
18d20fd91591afb27d3f5fc50ce02f574e8dd871cd94572f4aae29928e55646e
MD5 hash:
b3c05919b9c5211ba45fb127e9ad619b
SHA1 hash:
6397a63be0cee346fa49d976d80cf31c7b3d5b90
Malware family:
FormBook
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: | pdb_YARAify |
|---|---|
| Author: | @wowabiy314 |
| Description: | PDB |
| 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.
Web download
Delivery method
Distributed via web download
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