MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ef15c5f296c9d0a140a4040bd6e94fb021159b4a3fdcbada1e2e5d2450664f43. 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: 12
| SHA256 hash: | ef15c5f296c9d0a140a4040bd6e94fb021159b4a3fdcbada1e2e5d2450664f43 |
|---|---|
| SHA3-384 hash: | a2e5bb2849a8af5c857ed0b97199d282c237319327188e031992ab5e24e034b380dbb8fa3323bdbf2ebd7079ed14b5d4 |
| SHA1 hash: | 476e0b22141ada79803e4a5c5dd43d3001b0e48b |
| MD5 hash: | 85c6aeb7c84ae587e52ee15ed77b773a |
| humanhash: | twenty-comet-iowa-kitten |
| File name: | 85c6aeb7c84ae587e52ee15ed77b773a.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 145'408 bytes |
| First seen: | 2022-05-06 16:17:54 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 1536:Ap4o3WgQ2/INKCIODnFPNGLs4obrt9bCmQsXIaa:4mgQIINKCIODnPqhiIt |
| Threatray | 15'226 similar samples on MalwareBazaar |
| TLSH | T18FE307467A379D02DD15E2711886D33893327F0CCA759717B8E8AE6B3EAFE533A41640 |
| 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 | f0f06633114cccf0 (1 x Formbook) |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
85c6aeb7c84ae587e52ee15ed77b773a.exe
Verdict:
Suspicious activity
Analysis date:
2022-05-06 16:22:31 UTC
Tags:
n/a
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
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Launching cmd.exe command interpreter
Query of malicious DNS domain
Forced shutdown of a system process
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed
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.
Verdict:
Unknown
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
Creates an undocumented autostart registry key
Found malware configuration
Injects a PE file into a foreign processes
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
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Downloader.Seraph
Status:
Malicious
First seen:
2022-05-05 15:52:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
41
AV detection:
15 of 25 (60.00%)
Threat level:
3/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 15'216 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:s4s9 rat spyware stealer suricata trojan
Behaviour
Delays execution with timeout.exe
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
ef15c5f296c9d0a140a4040bd6e94fb021159b4a3fdcbada1e2e5d2450664f43
MD5 hash:
85c6aeb7c84ae587e52ee15ed77b773a
SHA1 hash:
476e0b22141ada79803e4a5c5dd43d3001b0e48b
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:
0.35
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
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