MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 788b280619372d2e7d1f1c6e00824cccb0cb581a7db5203f813a3d9df052f570. 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: 17
| SHA256 hash: | 788b280619372d2e7d1f1c6e00824cccb0cb581a7db5203f813a3d9df052f570 |
|---|---|
| SHA3-384 hash: | 3bfeaaf0b9993ee004ccd01de76cbf227dcb73d8500e8e15f79d00a889c28ccded96f2d232408178b03b7b210ceb43b0 |
| SHA1 hash: | e459a06423647a8656600b22c8c9eb49cc97ea5f |
| MD5 hash: | ce60788594e67a42534dc8e2e9e44b9d |
| humanhash: | virginia-batman-video-eighteen |
| File name: | Dekont - 2023 05 30T09EUR_pdf.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'437'696 bytes |
| First seen: | 2023-06-02 06:12:27 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 24576:wRu1qHdQY4QfO1nfGmmHuY2IwvfNPD/L3f+IMQEpaO4CTVgj/WL:wRuqZfsO+NvfxQpaMq |
| Threatray | 275 similar samples on MalwareBazaar |
| TLSH | T17165F1330683FEFE67B70E14DE462D454CC4A8A79B1CE09AEC9805AE63B5414EF59DB0 |
| 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) |
| Reporter |  abuse_ch |
| Tags: | exe FormBook geo TUR |
Intelligence
File Origin
# of uploads :
1
# of downloads :
284
Origin country :
NLVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Dekont - 2023 05 30T09EUR_pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-06-02 06:15:40 UTC
Tags:
formbook xloader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
Sirefef.Generic
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
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 FormBook
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Sirefef
Status:
Malicious
First seen:
2023-06-02 06:09:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
18 of 37 (48.65%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 265 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:hs95 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
83bcf419c847f65e877c951b09582457d8b41bcea9ae7f45972703b082ee8cb0
MD5 hash:
54841a158a44ed5508b9c6431dc3c127
SHA1 hash:
4e3b2494d6d9bfc323cb02191590150266765c52
Detections:
FormBook
win_formbook_w0
win_formbook_auto
win_formbook_g0
SH256 hash:
b90599d0475d9e9f19897a20e7e29f7f2e023b0f904d368b1a218d6befa8834b
MD5 hash:
9ad4bec2fd6abfe3e0c72e087be8c450
SHA1 hash:
e4f86b468dc4299e40ebebc1bf83e126d28c1842
SH256 hash:
ff8c24bce1eb009f0d5c47a09b96caf02726c285cea0d635082ad4da27e63d1b
MD5 hash:
9d6ec6072ee1814a4a01d1eb3fb67ba1
SHA1 hash:
d0b416de1c900b6bcb35dc182b2e8744f16c3289
SH256 hash:
788b280619372d2e7d1f1c6e00824cccb0cb581a7db5203f813a3d9df052f570
MD5 hash:
ce60788594e67a42534dc8e2e9e44b9d
SHA1 hash:
e459a06423647a8656600b22c8c9eb49cc97ea5f
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: | BitcoinAddress |
|---|---|
| Author: | Didier Stevens (@DidierStevens) |
| Description: | Contains a valid Bitcoin address |
| 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.
Malspam
Delivery method
Distributed via e-mail attachment
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