MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b161fa758bb7def57576367a24890fffb5133ecfedfe1ebb23c0ad1745355968. 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: 9
| SHA256 hash: | b161fa758bb7def57576367a24890fffb5133ecfedfe1ebb23c0ad1745355968 |
|---|---|
| SHA3-384 hash: | 56c3a3cfa95eae2ad88597e494997d4a5ffa86fbc34f3dbca293db0d4312efde3b22ef8517827a2bdc890b585e79b2c1 |
| SHA1 hash: | 776d38ab248123207d4ca32eaa3647dcb4b444cf |
| MD5 hash: | b0fe21a209319349115182eb46d801ad |
| humanhash: | fix-batman-triple-blue |
| File name: | b0fe21a209319349115182eb46d801ad |
| Download: | download sample |
| Signature | Formbook |
| File size: | 12'800 bytes |
| First seen: | 2022-08-02 13:38:36 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'472 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 192:OM53VT95cnOWk2APKUckJsNVd9rLzXfk:OeTTcnO32ASPrXf |
| Threatray | 4'687 similar samples on MalwareBazaar |
| TLSH | T1264209592350C267EE8405B17C87A2601AFE7E6E5CA7D60FE0D5B13FE8B13A10593A38 |
| TrID | 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.4% (.EXE) Win64 Executable (generic) (10523/12/4) 6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.4% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.EXE) OS/2 Executable (generic) (2029/13) |
| File icon (PE): |  |
| dhash icon | e4dcd8c4d4d4c4d4 (95 x AgentTesla, 51 x Formbook, 12 x RemcosRAT) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PRE-ALERT MAWB 057-05763984 AWB 057-04914954.docx
Verdict:
Malicious activity
Analysis date:
2022-08-02 12:36:00 UTC
Tags:
generated-doc trojan opendir exploit CVE-2017-11882 loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Creating a file
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
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
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Snort IDS alert for network traffic
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.Casdet
Status:
Malicious
First seen:
2022-08-02 11:45:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
22 of 25 (88.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 4'677 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:g2i8 persistence rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
b161fa758bb7def57576367a24890fffb5133ecfedfe1ebb23c0ad1745355968
MD5 hash:
b0fe21a209319349115182eb46d801ad
SHA1 hash:
776d38ab248123207d4ca32eaa3647dcb4b444cf
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
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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