MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4903d25c490e1b6c899c4fb9d3d3eb16d79c802245d4c2b667ff06f42724e358. 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: 10
| SHA256 hash: | 4903d25c490e1b6c899c4fb9d3d3eb16d79c802245d4c2b667ff06f42724e358 |
|---|---|
| SHA3-384 hash: | ef9cc56c02d5628e96b757467b92000102fa5eb59bb254bcb23199df3fc2e962fbc4bb829c305a65092a3f3b06e333d7 |
| SHA1 hash: | 64a659096deda60c37861ddc0d26d3bfb11cc0c7 |
| MD5 hash: | 4bb710142c4fa183e24dbd3ce3c7b51d |
| humanhash: | white-california-aspen-spring |
| File name: | PO.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 542'208 bytes |
| First seen: | 2021-04-12 12:23:15 UTC |
| Last seen: | 2021-04-12 13:09:17 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:laRZszqqB3PQhPp5owXoJSq5Qbxn09z2Oe:tzqIgfobC909S |
| Threatray | 4'703 similar samples on MalwareBazaar |
| TLSH | 77B4DF2A77812962C60D0E37496B28DC02F1C2277671F32F7CC625D89E27B5E563F626 |
| Reporter |  abuse_ch |
| Tags: | exe FormBook |
abuse_ch
Malspam distributing unidentified malware:HELO: mail-smail-vm51.hanmail.net
Sending IP: 203.133.180.239
From: Jaeho Lee <bjk8116@daum.net>
Subject: KHE RFQ No. PG6432 PROJECT Reactor/ Heat exchangers/ Materials/Equipment _KOC JURASSIC PRF Canada
Attachment: SHELL-RFQ-Project.cab (contains "PO.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
111
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO.exe
Verdict:
Malicious activity
Analysis date:
2021-04-12 12:31:52 UTC
Tags:
trojan formbook stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Creating a file in the %temp% directory
Deleting a recently created file
Creating a file
DNS request
Sending a custom TCP request
Creating a window
Creating a process from a recently created file
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2021-04-12 01:32:00 UTC
AV detection:
23 of 48 (47.92%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 4'693 additional samples on MalwareBazaar
Result
Malware family:
xloader
Score:
10/10
Tags:
family:xloader agilenet loader rat
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
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Executes dropped EXE
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.retro-e-scooter.com/sawc/
Unpacked files
SH256 hash:
4903d25c490e1b6c899c4fb9d3d3eb16d79c802245d4c2b667ff06f42724e358
MD5 hash:
4bb710142c4fa183e24dbd3ce3c7b51d
SHA1 hash:
64a659096deda60c37861ddc0d26d3bfb11cc0c7
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
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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