MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b23e4e553efdd3445b9bededca79d9da171576dab9602e9437cf8980c7fff918. 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: 15
| SHA256 hash: | b23e4e553efdd3445b9bededca79d9da171576dab9602e9437cf8980c7fff918 |
|---|---|
| SHA3-384 hash: | 9970f4a55597332e76a82e29a070bd28841ba1e690a9603d898d9955da2fe3a6fa45543d64feef37ca812d64161450c1 |
| SHA1 hash: | a9d130236fe75c5b7d0d5b5fce47eb0e3502e78f |
| MD5 hash: | 0315ca32be982eb52b2225524cd574c0 |
| humanhash: | seventeen-kentucky-sodium-cola |
| File name: | SecuriteInfo.com.MSIL.Kryptik.AHTM.tr.16256.5885 |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'008'640 bytes |
| First seen: | 2023-01-19 05:27:21 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 24576:cx5A9ftCjdqt4pMMQ+JiT99GEp5+PTFX/r25dkqW2:yoC5A4p7E99z5+7FXTb |
| TLSH | T19E258CD3D5848AC5ECBA1539557EAD2023A37C7FE4748A9E38C278192AF76835073E07 |
| 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 | ede5adcd1676c9c9 (2 x NetWire, 1 x Formbook, 1 x AgentTesla) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
210
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.MSIL.Kryptik.AHTM.tr.16256.5885
Verdict:
Suspicious activity
Analysis date:
2023-01-19 05:28:44 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 window
Unauthorized injection to a recently created process
Creating a file
Verdict:
No Threat
Threat level:
2/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
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
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2023-01-19 04:13:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
24 of 26 (92.31%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:js46 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a395f70826175766d57faa6371167ff2d8dbc2c6594058c531c435347af311cd
MD5 hash:
6ab5a0873461582424efc7a2d53dc4fa
SHA1 hash:
f552f6007193ddac184ddafdd7a833ef9dcbe445
Detections:
FormBook
win_formbook_w0
win_formbook_auto
win_formbook_g0
SH256 hash:
079a9f10eb5c932858b253707d9f644645cd1297e465883849452f9fcbf95450
MD5 hash:
8cf94794a5535d3e4d98c9177db6f472
SHA1 hash:
ed32ed2fab61c35858078ea7eb62805d3d3c03fb
SH256 hash:
1549ec42fa0664a9b2ab7e4793960578e513211b57a4e67aa72cc02769a76fd1
MD5 hash:
8061ed32f2509f469547eccf2ed66137
SHA1 hash:
c58dcb1c0311808059b658f220c6dd6e1f0fcb7b
SH256 hash:
3a1108ba9eb7617758c85b4795254d0b012a05d4acb5462d39363dc9f77e5eb5
MD5 hash:
8e5d2da72113328b9dbc4fd1b1ac94b6
SHA1 hash:
af5d6eb888a1646618f9b2d31f4a9dad6bdecd94
SH256 hash:
ab2f8dbc2b147528cecac6ea1a8886951c424be0b2026743b39d97f0cbabb04c
MD5 hash:
77ab42f4bbbf4565846eb8953192d71f
SHA1 hash:
3c662c756cc31867c0473716a74e777a65ced550
SH256 hash:
b23e4e553efdd3445b9bededca79d9da171576dab9602e9437cf8980c7fff918
MD5 hash:
0315ca32be982eb52b2225524cd574c0
SHA1 hash:
a9d130236fe75c5b7d0d5b5fce47eb0e3502e78f
Malware family:
FormBook
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
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: | 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.
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