MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 35b9a28eb1037b1792db91b28257ac604ff7de9a12dd93f9ae658e73cbd97fdb. 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: 11
| SHA256 hash: | 35b9a28eb1037b1792db91b28257ac604ff7de9a12dd93f9ae658e73cbd97fdb |
|---|---|
| SHA3-384 hash: | 65f07ae77be11d5f87d2b6b65f677055ee1dedaf159523d3b4c41f3eacff2ec7b55bcc8ba6132d45399ae563b98f0df8 |
| SHA1 hash: | a4c2c3ad86850f200edea64e3bb0942f733ba6c4 |
| MD5 hash: | 041b410430fd0e10f9d6ed012e364168 |
| humanhash: | low-kitten-happy-magnesium |
| File name: | POR015409.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 15'872 bytes |
| First seen: | 2022-03-08 15:24:49 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 | 192:avbouno9hj3AbNb8uoem4rWXkEQqiFMtllA5ziir3TkKH5KAWQwozh:ewp3AbJpoem46kkQMa/Lwoz |
| Threatray | 14'212 similar samples on MalwareBazaar |
| TLSH | T108622816A7D88372D9A04F342C675B4007B4BE41AD22F65E3ED1312F1FB36E05A72632 |
| File icon (PE): |  |
| dhash icon | e0c4a2a2a4bcbcf8 (15 x Loki, 12 x Formbook, 5 x SnakeKeylogger) |
| Reporter |  adrian__luca |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
1
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Running batch commands
DNS request
Sending a custom TCP request
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:
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
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Queues an APC in another process (thread injection)
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Tries to detect virtualization through RDTSC time measurements
Yara detected Costura Assembly Loader
Yara detected FormBook
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-01 22:27:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
31 of 42 (73.81%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 14'202 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader campaign:ts64 loader persistence rat
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Xloader Payload
Modifies WinLogon for persistence
Xloader
Unpacked files
SH256 hash:
35b9a28eb1037b1792db91b28257ac604ff7de9a12dd93f9ae658e73cbd97fdb
MD5 hash:
041b410430fd0e10f9d6ed012e364168
SHA1 hash:
a4c2c3ad86850f200edea64e3bb0942f733ba6c4
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: | INDICATOR_SUSPICIOUS_EXE_DiscordURL |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables Discord URL observed in first stage droppers |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | SUSP_Discord_Attachments_URL |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads |
| Rule name: | SUSP_PE_Discord_Attachment_Oct21_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN) |
| Reference: | Internal Research |
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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