MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3c3ae98bf770e4af3eca938d72bcfcab9bfc5415d599157fce0c744aa814dcfa. 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: | 3c3ae98bf770e4af3eca938d72bcfcab9bfc5415d599157fce0c744aa814dcfa |
|---|---|
| SHA3-384 hash: | ee478154a6742edc44fef414a514b6a4c21d8ac53de9bba22a604432acb1bbfcc1ceb2340ae886ee3372eea808aeb28c |
| SHA1 hash: | 45cf5f26211e045409a5aa12df5ff8ca92687300 |
| MD5 hash: | a749181226fd23b67b6ec15300b97812 |
| humanhash: | oscar-kitten-ack-iowa |
| File name: | a749181226fd23b67b6ec15300b97812 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 601'600 bytes |
| First seen: | 2023-08-14 05:38:54 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 12288:184lrrWSvvkpepNx8Sx1h/RvuorwxGsoBINhNExE5JYZK7okk:184lXWqvkgp7hNZxrcGsBV/i3X |
| Threatray | 3'742 similar samples on MalwareBazaar |
| TLSH | T1ACD42214605C07B7C6DB5BFED4C4D02883F1EAB13121E7896DC56AD2AAE17035B06FAB |
| 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 | 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
337
Origin country :
FRVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PO 0049 & 0050.xls
Verdict:
Malicious activity
Analysis date:
2023-08-14 05:02:59 UTC
Tags:
opendir exploit cve-2017-11882 loader formbook xloader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Gathering data
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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 domain / URL
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-08-14 05:39:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
18 of 23 (78.26%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 3'732 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:my28 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
451814bff4c18fc6c6de123cd0f36ec3e80289ace2e40d1f137760512f6f5436
MD5 hash:
ea5c5fb9c5315ac665423e43e0f4b6a4
SHA1 hash:
7249a692f00de7424464cf60b56b69f17220c7c2
Detections:
FormBook
win_formbook_w0
win_formbook_auto
win_formbook_g0
SH256 hash:
7b1e678c7c4eee7e46e6cfbd53bb95989e81b129d289bca515545a19a6e02a58
MD5 hash:
69d3955a4822a33a3019d1c11458205b
SHA1 hash:
de29084906a9d27fb055e35d4b9615fc4d357093
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
SH256 hash:
4d0a67b3bcddfca1e240c0e7bbec35cbc07c60de686a0ad4bd912226682a1004
MD5 hash:
8b48e56804239cd3241f24602b85108e
SHA1 hash:
0625fe477ea21816715c38be21e4967093d8a380
SH256 hash:
3c3ae98bf770e4af3eca938d72bcfcab9bfc5415d599157fce0c744aa814dcfa
MD5 hash:
a749181226fd23b67b6ec15300b97812
SHA1 hash:
45cf5f26211e045409a5aa12df5ff8ca92687300
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: | 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.
Web download
Delivery method
Distributed via web download
Comments
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