MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 19c456f77ef7a2c3d34f397ab4d435092281b157a76ab5e5002370a283e40e65. 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: 12
| SHA256 hash: | 19c456f77ef7a2c3d34f397ab4d435092281b157a76ab5e5002370a283e40e65 |
|---|---|
| SHA3-384 hash: | b652f4fbccd5b5d3ba3c051f7312aba24ea4be7c0a0b5d8e4ecdd7f7cc3b02fa8cb837f87e6123261d153e71922dbdab |
| SHA1 hash: | f4d99146bad5e5e33a0a1497db81bc8218c484a6 |
| MD5 hash: | 49a70f543b8d5c902df2c034e02dfd2d |
| humanhash: | mountain-march-table-yellow |
| File name: | invoice.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 266'496 bytes |
| First seen: | 2023-07-03 09:49:50 UTC |
| Last seen: | 2023-07-10 10:09:28 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 429 x GuLoader) |
| ssdeep | 6144:pYa65nnH1aTNTPh3HzehIVRAETPR/LGNCzJj/kpRU3WZP8TJaD8eLWyw:pYHVaTNTPh3iOqEbdyNsJoPoJrz |
| Threatray | 3'203 similar samples on MalwareBazaar |
| TLSH | T14544130497A5C467D82305732D3E1EDA6BFDAE4A2479120FAB8A37ADF633641D80C753 |
| 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 | 131627272527271c (7 x Formbook, 3 x DarkCloud, 1 x RedLineStealer) |
| Reporter |  adrian__luca |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
3
# of downloads :
260
Origin country :
HUVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
invoice.exe
Verdict:
Suspicious activity
Analysis date:
2023-07-03 09:59:10 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:
Clean
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
Restart of the analyzed sample
Сreating synchronization primitives
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
control lolbin masquerade 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:
NSISDropper
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample has a suspicious name (potential lure to open the executable)
Yara detected NSISDropper
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-07-03 03:35:01 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 23 (86.96%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 3'193 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Unpacked files
SH256 hash:
19c456f77ef7a2c3d34f397ab4d435092281b157a76ab5e5002370a283e40e65
MD5 hash:
49a70f543b8d5c902df2c034e02dfd2d
SHA1 hash:
f4d99146bad5e5e33a0a1497db81bc8218c484a6
Please note that we are no longer able to provide a coverage score for Virus Total.
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.
Malspam
Delivery method
Distributed via e-mail attachment
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