MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f90cae8d2f230d52a461faf67dd818065329eb8cac4c241734a3f224eee1c531. 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: | f90cae8d2f230d52a461faf67dd818065329eb8cac4c241734a3f224eee1c531 |
|---|---|
| SHA3-384 hash: | 156db6cfe6e7554dea71f7c860214cc5882daa8d822bcfabebbdc0433bdd895401a8e8b90c3629ac5e0d5bdb837da6f4 |
| SHA1 hash: | 9e5dddec1f9847a9c16d53e1a657d9865b7692c9 |
| MD5 hash: | 284c856c5bcb6e74e27672fc28e79739 |
| humanhash: | maryland-king-solar-robert |
| File name: | PO#06112022_pdf.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 7'168 bytes |
| First seen: | 2022-11-09 18:22:34 UTC |
| Last seen: | 2022-11-09 19:50:41 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger) |
| ssdeep | 96:eN3F0Ztf3VY9kLJNR33Bjgj95ZfgeeAXskiu15v3WNtlLY:eN3GRV3LJ7dA9rgLAliyv8 |
| TLSH | T167E1D901A3C84277CDA28B751C7B8381527CD7625957ABBEBC84804FBE527E897627E0 |
| 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) |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PO#06112022_pdf.exe
Verdict:
Malicious activity
Analysis date:
2022-11-09 18:24:38 UTC
Tags:
formbook trojan stealer
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
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Drops executable to a common third party application directory
Encrypted powershell cmdline option found
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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:
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-11-06 06:18:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
16 of 26 (61.54%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
cobaltstrike
masslogger
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:he03 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
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
f90cae8d2f230d52a461faf67dd818065329eb8cac4c241734a3f224eee1c531
MD5 hash:
284c856c5bcb6e74e27672fc28e79739
SHA1 hash:
9e5dddec1f9847a9c16d53e1a657d9865b7692c9
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.
Malspam
Dropped by
formbook
Delivery method
Distributed via e-mail attachment
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