MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b3f0437b2d889647d5ea1a468eff45586ff3932afd4131f235e0ce7cd5864a1e. 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: | b3f0437b2d889647d5ea1a468eff45586ff3932afd4131f235e0ce7cd5864a1e |
|---|---|
| SHA3-384 hash: | 9499b32e68455acd67cf1744e4f1b90925c47e2746a23a58751ed657143407b8d6333d3a1caa4467bc1aac5531801880 |
| SHA1 hash: | 6ee75cdbdfb0b998941db99cf7b081e9cfe79f40 |
| MD5 hash: | d145e2b07a06b9cd0d8ce22b169c291c |
| humanhash: | avocado-avocado-harry-hydrogen |
| File name: | d145e2b07a06b9cd0d8ce22b169c291c |
| Download: | download sample |
| Signature | Formbook |
| File size: | 852'992 bytes |
| First seen: | 2022-07-18 15:50:48 UTC |
| Last seen: | 2022-07-18 18:43:53 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger) |
| ssdeep | 12288:xZmKZNzB0Wv09b2gb3IU3FnScEh5B8a9vPYKVD9jE/IxiwCaaFlSNS:nNl0Nd9N2hb9oKXEIRaQS |
| TLSH | T10B05F11176E7ED03C23827B7C1E6A40053B56783B027EB4F3FD922CA5A563CA4985B97 |
| 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% (.EXE) Win16/32 Executable Delphi generic (2072/23) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
231
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
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)
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2022-07-18 10:56:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
53
AV detection:
19 of 26 (73.08%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:sm95 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
ce0b566bc345b45520acb34870c701bfc4024d781c6cd4de9c8b1d6540e878ad
MD5 hash:
153c950e2d8c8b44004ac735b94d4b8d
SHA1 hash:
4ce0ed9caa4b984a409d427b77b7b0cf14241ed2
SH256 hash:
b30f195a2336d1c2520c091c2428af47b6442cc198560b2fd87ba1826e38890a
MD5 hash:
f65d2ffad1d8a2fd302d65e052021b6c
SHA1 hash:
5b8bfc8a3ad2aefec48bfb988562518ae9dbfa76
SH256 hash:
2ccd85d4f977a36c1310e9178441434e8de1e2c8636d82bfd761e8c581f7bfe4
MD5 hash:
7d33af830ff031dfab12e0b59b92e637
SHA1 hash:
e1848a29d67571197521b2d7e8f76bb57b19cdde
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
SH256 hash:
caea9dda78236d33e59334fcac592f954078ffe51f61c260e8833e3bdc14849b
MD5 hash:
fa16ad5c628453ca3b1e57fbd5474f2f
SHA1 hash:
6bba9d4e8cdcd9cc062196bf1eb70750603a07e3
Detections:
win_formbook_g0
win_formbook_auto
FormBook
SH256 hash:
b3f0437b2d889647d5ea1a468eff45586ff3932afd4131f235e0ce7cd5864a1e
MD5 hash:
d145e2b07a06b9cd0d8ce22b169c291c
SHA1 hash:
6ee75cdbdfb0b998941db99cf7b081e9cfe79f40
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:
0.65
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.
Web download
Delivery method
Distributed via web download
Comments
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