MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a120e17b0bdb650b18850d94ed56e7591ca7e3d3ae30a9d34e27e898b871682. 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


Intelligence 12 IOCs YARA 2 File information Comments 1

SHA256 hash: 2a120e17b0bdb650b18850d94ed56e7591ca7e3d3ae30a9d34e27e898b871682
SHA3-384 hash: 7c22ee0efd05f4a01d9a910535ba0fbc785ab065b06fbd439fe4fb4eebbf138a32278a79c42fe0426941af9b71ab0ec8
SHA1 hash: 4bdaf17eb05be6aac04b1de45962e47efe02f5e5
MD5 hash: 844abb8817291a2bc1882a6056ea2965
humanhash: skylark-december-green-river
File name:844abb8817291a2bc1882a6056ea2965
Download: download sample
Signature Formbook
File size:88'648 bytes
First seen:2022-11-03 09:38:12 UTC
Last seen:2022-11-03 12:15:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:PU5cl9biny1ptYcFmVc03Ko6ki2VIEiNJSlWeQV1VF0hXHMGBk7/UMQ3eo:Pl3CyXtYcFmVc6Kr2VIvNJxV1VaXLkja
TLSH T1D983EA3332EBBDF2F6A70478DD42E1612375E3C58462393664DFAE1DAA152C6C2B44C9
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)
File icon (PE):PE icon
dhash icon b4d0c4d28a8ed2c4 (1 x Formbook)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
210
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PF00015722EX2.docx
Verdict:
Malicious activity
Analysis date:
2022-11-03 07:10:32 UTC
Tags:
opendir trojan exploit cve-2017-11882 loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed packed vbc.exe
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.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
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)
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 736887 Sample: 0Eot6HTp2y.exe Startdate: 03/11/2022 Architecture: WINDOWS Score: 100 52 Multi AV Scanner detection for domain / URL 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 3 other signatures 2->58 10 0Eot6HTp2y.exe 16 7 2->10         started        process3 dnsIp4 46 fastdirections.com 192.185.163.193, 443, 49696, 49700 UNIFIEDLAYER-AS-1US United States 10->46 40 C:\Users\user\AppData\Roaming\...\Osjwnzo.exe, PE32 10->40 dropped 42 C:\Users\user\...\Osjwnzo.exe:Zone.Identifier, ASCII 10->42 dropped 44 C:\Users\user\AppData\...\0Eot6HTp2y.exe.log, ASCII 10->44 dropped 64 Encrypted powershell cmdline option found 10->64 66 Writes to foreign memory regions 10->66 68 Injects a PE file into a foreign processes 10->68 15 aspnet_compiler.exe 10->15         started        18 powershell.exe 16 10->18         started        20 aspnet_compiler.exe 10->20         started        file5 signatures6 process7 signatures8 70 Modifies the context of a thread in another process (thread injection) 15->70 72 Maps a DLL or memory area into another process 15->72 74 Queues an APC in another process (thread injection) 15->74 22 explorer.exe 15->22 injected 24 conhost.exe 18->24         started        process9 process10 26 Osjwnzo.exe 14 3 22->26         started        30 Osjwnzo.exe 3 22->30         started        dnsIp11 48 fastdirections.com 26->48 60 Multi AV Scanner detection for dropped file 26->60 62 Encrypted powershell cmdline option found 26->62 32 powershell.exe 26->32         started        50 fastdirections.com 30->50 34 powershell.exe 30->34         started        signatures12 process13 process14 36 conhost.exe 32->36         started        38 conhost.exe 34->38         started       
Threat name:
ByteCode-MSIL.Backdoor.Androm
Status:
Malicious
First seen:
2022-11-02 14:58:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook masslogger
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:bi0n persistence rat spyware stealer trojan
Behaviour
Suspicious use of WriteProcessMemory
Gathers network information
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Formbook
Unpacked files
SH256 hash:
2a120e17b0bdb650b18850d94ed56e7591ca7e3d3ae30a9d34e27e898b871682
MD5 hash:
844abb8817291a2bc1882a6056ea2965
SHA1 hash:
4bdaf17eb05be6aac04b1de45962e47efe02f5e5
Detections:
PureCrypter_Stage1
Please note that we are no longer able to provide a coverage score for Virus Total.

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.

Web download

Formbook

Executable exe 2a120e17b0bdb650b18850d94ed56e7591ca7e3d3ae30a9d34e27e898b871682

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-11-03 09:38:17 UTC

url : hxxp://35.178.245.215/400/vbc.exe