MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4a5e90afb12bf96e61a233f2824975d529c72b5ade2261f59ac8f5a0e1e242ec. 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: | 4a5e90afb12bf96e61a233f2824975d529c72b5ade2261f59ac8f5a0e1e242ec |
|---|---|
| SHA3-384 hash: | c83ad11c1bf7c8fa62bec50b6d97cd8e75d47c818fed0e7f25a8c886d85b15807c68980ce7b7fe2c28372b8137e510f8 |
| SHA1 hash: | c5bd732de668750a0226dfeabc6fcdfdd9a1cff8 |
| MD5 hash: | bf4c4e76754d282260b0c9a35e3eeeeb |
| humanhash: | chicken-jersey-winter-oxygen |
| File name: | Purchase_OrderNo21320232024.pdf.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 637'440 bytes |
| First seen: | 2023-12-02 16:44:24 UTC |
| Last seen: | 2023-12-02 18:27:14 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:6C6gJUIYdyU0TBHuuBJzIyM5M+Qh1nu4dl7sc4udzxd:KgJu8UAIDLQHuGl7snulb |
| Threatray | 958 similar samples on MalwareBazaar |
| TLSH | T1CFD4120A23695752D9BE8BFB74D0840483B3BA179155F25C0DD220EF7B72B418D92FAB |
| 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% (.ICL) Windows Icons Library (generic) (2059/9) |
| File icon (PE): |  |
| dhash icon | 30e8ccd4716961e8 (15 x AgentTesla, 3 x Formbook, 1 x Loki) |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
289
Origin country :
NLVendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Restart of the analyzed sample
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
masquerade 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.
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
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-01 11:07:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
16 of 23 (69.57%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
agenttesla
Similar samples:
+ 948 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:o07d rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
0d01a55d950be4a12a097c6e08b78d3d659ad0cdff4ea4dcfebe6c782d45750a
MD5 hash:
df349e5e18c5c1aed3ae0a21f78174ec
SHA1 hash:
7b5a145100d9cafba003321a564456b7e6e561b6
Detections:
FormBook
win_formbook_w0
win_formbook_auto
win_formbook_g0
Formbook
SH256 hash:
eab4b15edc4c8e0c0dfd43ecf63e30f8feb0d591e59db849f37acc849988f043
MD5 hash:
d17418588b8c5e0050445ab16f24d2a0
SHA1 hash:
f7b9e0784562a40f0a7db840620ff37cf2d45f47
SH256 hash:
bc99dcc182eaf17394c34611c1aef4ad45c3079ae116c19caa17620d64c39f7c
MD5 hash:
84fe0cc42b4f30e7b6f58c92f9ad3d56
SHA1 hash:
d753cc7cc8e2927f9cde57fb67b5bceebd2f5fd2
SH256 hash:
0e8a5f6bd3e915b9d2fae9428730dc5017348d23b622bccbb1971e352052734b
MD5 hash:
56feb04fdc8b0453c62267ac204ed555
SHA1 hash:
7d41fb41cac90bea85cb6691a5945568115cbcbf
SH256 hash:
c21b6fd7ec0b3a56e0ff61fbca397d148bd16b30b22d87b73a043788fa68b160
MD5 hash:
d1ff7e07981e3270f0a49e91a9c1ebd5
SHA1 hash:
2a8d51d522e9b13480271aeb820dd36a3e80ea0c
SH256 hash:
4a5e90afb12bf96e61a233f2824975d529c72b5ade2261f59ac8f5a0e1e242ec
MD5 hash:
bf4c4e76754d282260b0c9a35e3eeeeb
SHA1 hash:
c5bd732de668750a0226dfeabc6fcdfdd9a1cff8
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
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: | NETexecutableMicrosoft |
|---|---|
| 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
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