MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b33d4aa5d310ea72ac089f58b923d2f9c95a63864cf55052b3933a6c12c40d4b. 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: | b33d4aa5d310ea72ac089f58b923d2f9c95a63864cf55052b3933a6c12c40d4b |
|---|---|
| SHA3-384 hash: | 23d28c250266d0c44dd8058e55d6723799813de7d73790bb9d16cbd9a5c29d59b9ad166c750779355a9363c4cc2ecf37 |
| SHA1 hash: | c231ff3cd2930bba52135267bc351ab0d694a345 |
| MD5 hash: | 61de5b0f44beb0866a05b94defa7dbb0 |
| humanhash: | edward-spring-sodium-undress |
| File name: | PO_1012000.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 593'408 bytes |
| First seen: | 2020-10-12 09:46:41 UTC |
| Last seen: | 2020-10-12 09:52:33 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:g+fC2INzRobH54kGV4clg+s5R/EViQcOxKRhafIpS:g+lInbV4cM49cOxK4IA |
| Threatray | 2'410 similar samples on MalwareBazaar |
| TLSH | DCC4F13027D89B66E57DF7BE0020146027F1E04AD335DB6E7D94819D85AEFD18BA2B43 |
| Reporter |  abuse_ch |
| Tags: | exe FormBook Hostwinds |
abuse_ch
Malspam distributing unidentified malware:HELO: hwsrv-779728.hostwindsdns.com
Sending IP: 104.168.218.39
From: "hr-jcheung.pw" <hr@jcheung.pw>
Subject: URGENT PO_1012000007 NEW
Attachment: PO_1012000.rar (contains "PO_1012000.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Creates an undocumented autostart registry key
Detected FormBook malware
Detected unpacking (changes PE section rights)
Initial sample is a PE file and has a suspicious name
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)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Steal Google chrome login data
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
Detection:
formbook
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-12 09:48:12 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 2'400 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
rat trojan spyware stealer family:formbook persistence
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Gathers network information
Modifies Internet Explorer settings
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Reads user/profile data of web browsers
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.mydesc.xyz/myc/
Unpacked files
SH256 hash:
b33d4aa5d310ea72ac089f58b923d2f9c95a63864cf55052b3933a6c12c40d4b
MD5 hash:
61de5b0f44beb0866a05b94defa7dbb0
SHA1 hash:
c231ff3cd2930bba52135267bc351ab0d694a345
SH256 hash:
13b24d3a09d099dabe41cd6cd71607a77e14640b1e9b4ed2d60f6c012f191c43
MD5 hash:
109cedae3c384a1913107f1efad2b7c8
SHA1 hash:
1f7f35b0ed85fa12bb839cbce698e59a30813420
SH256 hash:
651a7a0bec5ef0c7324dd0e7ca89536cbfdd7bc0fd802ccceeb8b545e8db6046
MD5 hash:
0bf4ba7c991e405a084b8c0aa900a267
SHA1 hash:
910f95b56e75d8b6926d55a8b522395117cfa065
SH256 hash:
bb9ceb43137bce05b828d55a749d15c4f2285b68e24507e4ef13bb9b7678a466
MD5 hash:
e02623d440e7ad1f0ff3493b5912bbc3
SHA1 hash:
a026c80c1472bb22a24ac703f98a463659df2c9e
SH256 hash:
4d432305a7ca2890f44a55fb4786cf008b172bfe4758ca9d5a805baad93c0715
MD5 hash:
1628052442421eb18821c3414e970341
SHA1 hash:
8eefea8401608fabcfdba457a807e8799858de3b
Detections:
win_formbook_g0
win_formbook_auto
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.85
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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