MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d2f81e234482c1627b7e92601ef74dbc7f3726c64d963dc4655cf90ee54d63ed. 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: 17
| SHA256 hash: | d2f81e234482c1627b7e92601ef74dbc7f3726c64d963dc4655cf90ee54d63ed |
|---|---|
| SHA3-384 hash: | 6814dd3dbc06eb7295a82224a47fd4cb426f66e3dd752ab44d712ed6fb914dc83681837e077c885bf8a7b324bb413260 |
| SHA1 hash: | 889147e82d3e15e329cec7b841d249a69f11b4d9 |
| MD5 hash: | 77aa11300e110d3934f871a3820dbd12 |
| humanhash: | king-violet-mike-uranus |
| File name: | 77aa11300e110d3934f871a3820dbd12 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 285'702 bytes |
| First seen: | 2023-06-23 11:17:00 UTC |
| Last seen: | 2023-06-23 11:34:12 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader) |
| ssdeep | 6144:AYa62toxg3z8y3kFyVacBNDyEqqzw7IBHObDXXf:AY0uxg3QNF8NuNaw7gwXv |
| Threatray | 2'416 similar samples on MalwareBazaar |
| TLSH | T10554021473A4D567D99104306E79C7FEAABABE159CA85A8F33C07F5FB831122900D72B |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | e0aaaa2b0303aad0 (34 x Formbook, 21 x AveMariaRAT, 18 x AgentTesla) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
277
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
77aa11300e110d3934f871a3820dbd12
Verdict:
Suspicious activity
Analysis date:
2023-06-23 11:17:42 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Sending a custom TCP request
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
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:
Formbook
Verdict:
Malicious
Result
Threat name:
FormBook, NSISDropper
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses netstat to query active network connections and open ports
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-06-23 11:18:04 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
18 of 24 (75.00%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 2'406 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:sy18 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Formbook payload
Formbook
Unpacked files
SH256 hash:
3ae64ed81993358f11f54b8c5594998f6e359c04210046f907303b0fc122d41d
MD5 hash:
ed94372805d6ed82d171de297f2d0718
SHA1 hash:
3c59309cc5e23cc8a16201234263a2c6ee095c58
SH256 hash:
d2f81e234482c1627b7e92601ef74dbc7f3726c64d963dc4655cf90ee54d63ed
MD5 hash:
77aa11300e110d3934f871a3820dbd12
SHA1 hash:
889147e82d3e15e329cec7b841d249a69f11b4d9
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
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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