MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a6c3c9c15d116a1b187ccbb626e017a70fed48ed9b814eb0e998311db058c26. 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: 8


Intelligence 8 IOCs YARA File information Comments

SHA256 hash: 1a6c3c9c15d116a1b187ccbb626e017a70fed48ed9b814eb0e998311db058c26
SHA3-384 hash: a62b0a8b83ba35ab276848036f98e894e7100bbaf30758441488692f0702b7b8040ca09212faa49a49adbb6c026747e6
SHA1 hash: adb042c53baa9baddc4076532fad8e2218cc1075
MD5 hash: 32339502be7fcfc1ff44e8fc3d79a6f7
humanhash: orange-early-florida-kilo
File name:32339502be7fcfc1ff44e8fc3d79a6f7.exe
Download: download sample
Signature Formbook
File size:644'096 bytes
First seen:2020-10-03 10:55:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:wSAl7+5h1ielzs0qIQ9XkV1aEZZMGcrCZkYHBWM5jo8GLjUPjzbRQDB8Bb:TAF+VyBx9UV1aQZMhuB7c
Threatray 2'275 similar samples on MalwareBazaar
TLSH D5D46BACB25072AEC927FC7BC9574D6CEBA0A466D32BD243C06301D89A4D697DF111F2
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
210
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Disables Windows Defender (via service or powershell)
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)
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
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 AntiVM_3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 292806 Sample: 7zZ6uEpEgC.exe Startdate: 03/10/2020 Architecture: WINDOWS Score: 100 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 6 other signatures 2->48 7 7zZ6uEpEgC.exe 1 4 2->7         started        process3 file4 36 C:\Users\user\AppData\...\7zZ6uEpEgC.exe.log, ASCII 7->36 dropped 52 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->52 54 Tries to detect virtualization through RDTSC time measurements 7->54 56 Disables Windows Defender (via service or powershell) 7->56 58 Injects a PE file into a foreign processes 7->58 11 7zZ6uEpEgC.exe 7->11         started        14 powershell.exe 23 7->14         started        16 powershell.exe 25 7->16         started        18 12 other processes 7->18 signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 11->60 62 Maps a DLL or memory area into another process 11->62 64 Queues an APC in another process (thread injection) 11->64 20 explorer.exe 11->20 injected 24 conhost.exe 14->24         started        26 conhost.exe 16->26         started        28 conhost.exe 18->28         started        30 conhost.exe 18->30         started        32 conhost.exe 18->32         started        34 9 other processes 18->34 process8 dnsIp9 38 www.smartdolab.com 89.31.143.1, 49747, 80 QSC-AG-IPXDE Germany 20->38 40 www.xm620.com 20->40 50 System process connects to network (likely due to code injection or exploit) 20->50 signatures10
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2020-09-04 19:10:19 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
rat trojan spyware stealer family:formbook evasion
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Windows security modification
Looks for VMWare Tools registry key
Formbook Payload
Looks for VirtualBox Guest Additions in registry
Formbook
Modifies Windows Defender Real-time Protection settings
Malware Config
C2 Extraction:
http://www.iskovlay.com/kbc/
Unpacked files
SH256 hash:
1a6c3c9c15d116a1b187ccbb626e017a70fed48ed9b814eb0e998311db058c26
MD5 hash:
32339502be7fcfc1ff44e8fc3d79a6f7
SHA1 hash:
adb042c53baa9baddc4076532fad8e2218cc1075
SH256 hash:
f594e561cc4f596d8b77b919939df9cc8c68d6397b7729f884081e259b6ab46d
MD5 hash:
45ab8a8b0d11c5a26928884bc0027b35
SHA1 hash:
a184d1f4bba72e3e447115139e179450760d4c6e
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments