MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 85176443ab1c87d4387378979a276b860b6306e6ae17749d0a1072111cc14a1b. 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: 16
| SHA256 hash: | 85176443ab1c87d4387378979a276b860b6306e6ae17749d0a1072111cc14a1b |
|---|---|
| SHA3-384 hash: | 02487e18f3901018de33b22574a2cad916488503b2e1f8c9fe6883fd4f890dce1d938764953acdb302a5116661782175 |
| SHA1 hash: | a17256280972cca055e7e7104fd1bc25406d9205 |
| MD5 hash: | d27e13ce5271639c09cf59b9f6eaee10 |
| humanhash: | fruit-white-table-william |
| File name: | d27e13ce5271639c09cf59b9f6eaee10 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 247'940 bytes |
| First seen: | 2023-08-03 08:13:25 UTC |
| Last seen: | 2023-08-03 10:45:47 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader) |
| ssdeep | 6144:vYa6i7eW7rFk+v2RBxS537zBrw6v81rEJK1C+1WnQwTyvuXL1u5R:vYk1xNIxg9E6v81/CnQ6yvu71u5R |
| Threatray | 3'718 similar samples on MalwareBazaar |
| TLSH | T19B341201F2A0C977EEA316325CB9952A1FF6C52305F4A75B6704AB2B7CA37D1D60C362 |
| 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 | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
290
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d27e13ce5271639c09cf59b9f6eaee10
Verdict:
Suspicious activity
Analysis date:
2023-08-03 08:14:30 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
Creating a file in the %temp% directory
Creating a window
Creating a file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
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
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)
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
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2023-08-03 08:14:04 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
20 of 24 (83.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 3'708 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:sy22 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:
03bbbdafa7181de3a3017fd40c3c61a65c482031ad0192d6651bf5079aa620f7
MD5 hash:
778083437756cbedb46df2e0460cc768
SHA1 hash:
2e90877913ad1b202e84ee5d33f0cce06a673192
SH256 hash:
85176443ab1c87d4387378979a276b860b6306e6ae17749d0a1072111cc14a1b
MD5 hash:
d27e13ce5271639c09cf59b9f6eaee10
SHA1 hash:
a17256280972cca055e7e7104fd1bc25406d9205
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
Comments
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