MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 99a0f1be307f771452aed88d587f2b215cb6a6fc7afa889935559020ab86874e. 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: | 99a0f1be307f771452aed88d587f2b215cb6a6fc7afa889935559020ab86874e |
|---|---|
| SHA3-384 hash: | 5cac0d5a23bdfb1f79151071cfa77d095e2b0f809a7e84964d1e995bc9db18c6cbc1b75ffda1d80a30b0fedc14befd10 |
| SHA1 hash: | 32f3300b174a7fc28434b7e3adad4c1db7daf7fe |
| MD5 hash: | 807395099de85261ce2ccaa3b16fa88c |
| humanhash: | harry-mars-carolina-don |
| File name: | SecuriteInfo.com.Gen.Variant.Nemesis.22777.27005.25506 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 268'965 bytes |
| First seen: | 2023-06-21 09:36:19 UTC |
| Last seen: | 2023-06-21 10:30:48 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader) |
| ssdeep | 6144:PYa60N+AtsXVpDhJWa6I2/6VUCIUPi2/Oznsd0x:PYyOthJWx3nC5PDP0x |
| Threatray | 1'132 similar samples on MalwareBazaar |
| TLSH | T17F4412951AA8C063D9F317B26D3013536FE6EE5564F99E8F43808B6DB938684BD0D323 |
| 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 |  SecuriteInfoCom |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
294
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Gen.Variant.Nemesis.22777.27005.25506
Verdict:
Suspicious activity
Analysis date:
2023-06-21 09:39:19 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
Verdict:
Malicious
Threat level:
10/10
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:
96 / 100
Signature
Detected unpacking (changes PE section rights)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
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
Multi AV Scanner detection for dropped file
Yara detected FormBook
Yara detected NSISDropper
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Nemesis
Status:
Malicious
First seen:
2023-06-21 09:37:05 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
19 of 24 (79.17%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 1'122 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 WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Unpacked files
SH256 hash:
9e5deadc92d897f49df43de7901bc94e7d879843693d044228f5977713c2bf62
MD5 hash:
5cdeaf9a98c720a70dcfe1f679251545
SHA1 hash:
9c76377eca36b19937fdfe24cdecca95990b4e70
SH256 hash:
99a0f1be307f771452aed88d587f2b215cb6a6fc7afa889935559020ab86874e
MD5 hash:
807395099de85261ce2ccaa3b16fa88c
SHA1 hash:
32f3300b174a7fc28434b7e3adad4c1db7daf7fe
Malware family:
XLoader
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.
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