MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3051a2010b837b991bf447be9d0b4da6c5a2c1f276c6e7bb0c8f61aedc3c4575. 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: | 3051a2010b837b991bf447be9d0b4da6c5a2c1f276c6e7bb0c8f61aedc3c4575 |
|---|---|
| SHA3-384 hash: | 89f8f12afe5b26bc87aea026fc169b268e6ebdf0c232a299cf9d9862bfb7da4ccee8fb730bfdb082103c747a4120472c |
| SHA1 hash: | 77864ab84f01aad56707225435d38a094950e873 |
| MD5 hash: | 4157c3a2497c353123a81aaf0ccff683 |
| humanhash: | oscar-johnny-red-nineteen |
| File name: | PO-22324.exe |
| Download: | download sample |
| Signature | Formbook |
| File size: | 1'189'376 bytes |
| First seen: | 2022-03-25 12:38:41 UTC |
| Last seen: | 2024-07-24 12:47:01 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 24576:gsWeF+AnOIwzbR6Uqo0N+CbSNvF/zVVk4XyK+gCdjD:lsFS7buvF5JXyxgCdH |
| Threatray | 14'408 similar samples on MalwareBazaar |
| TLSH | T113459D93F6D243C6E49AABB183338C719E564D2CC4E597BDA4A0B57137FE2CA1013A47 |
| File icon (PE): |  |
| dhash icon | 1d199b5a1b2d575b (5 x AgentTesla, 4 x Formbook, 3 x HawkEye) |
| Reporter |  GovCERT_CH |
| Tags: | exe FormBook |
Intelligence
File Origin
# of uploads :
2
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Adding an access-denied ACE
Launching a process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
Sending a custom TCP request
Setting browser functions hooks
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm control.exe greyware obfuscated packed replace.exe virus
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.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Found malware configuration
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)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
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
Yara detected AntiVM3
Yara detected FormBook
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-25 12:39:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
18 of 42 (42.86%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 14'398 additional samples on MalwareBazaar
Result
Malware family:
formbook
Score:
10/10
Tags:
family:formbook campaign:z584 rat spyware stealer suricata trojan
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
3051a2010b837b991bf447be9d0b4da6c5a2c1f276c6e7bb0c8f61aedc3c4575
MD5 hash:
4157c3a2497c353123a81aaf0ccff683
SHA1 hash:
77864ab84f01aad56707225435d38a094950e873
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:
0.38
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: | crime_win32_ransom_avaddon_1 |
|---|---|
| Author: | @VK_Intel |
| Description: | Detects Avaddon ransomware |
| Reference: | https://twitter.com/VK_Intel/status/1300944441390370819 |
| Rule name: | malware_Formbook_strings |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Formbook in memory |
| Reference: | internal research |
| 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
Delivery method
Distributed via e-mail attachment
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