MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 648048695290a99e4da3a55882aa6c2a62c2ee1b4fc780ebf87213f61909c34f. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 648048695290a99e4da3a55882aa6c2a62c2ee1b4fc780ebf87213f61909c34f
SHA3-384 hash: c8db7bdfd90cf76887842044a1262869649591fe8131c9799d0bf088d564165d71e5cabb9cd8b8c43da05e4606a92de2
SHA1 hash: 7adcef228867d6375bb5766f6eeba76c698622e1
MD5 hash: c12d4e3cbb1366c5c4fdcfc8a61186f1
humanhash: december-louisiana-queen-whiskey
File name:VxEm80QDcLNnFQX.exe
Download: download sample
Signature Formbook
File size:1'123'840 bytes
First seen:2022-11-24 06:17:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:XAgoSgh/KsZ1DX/VDJZ5xmSsOFoKG3CSPdM3D66Bv0ydGoffPWws34vu4lMYINMi:7gh/KQJDzGSSPdMz0yd1ZHP2DzKs
TLSH T134358DCB3F301E86CB5F34B0488D2B44176239A959F8DCF21F7166E41982AEF569127E
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter Anonymous
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
290
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
VxEm80QDcLNnFQX.exe
Verdict:
Malicious activity
Analysis date:
2022-11-24 06:20:36 UTC
Tags:
formbook trojan stealer

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

Behaviour
Creating a window
Sending a custom TCP request
DNS request
Launching a process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook packed
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
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 sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 753029 Sample: VxEm80QDcLNnFQX.exe Startdate: 24/11/2022 Architecture: WINDOWS Score: 100 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus detection for URL or domain 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 6 other signatures 2->38 8 VxEm80QDcLNnFQX.exe 3 2->8         started        process3 file4 22 C:\Users\user\...\VxEm80QDcLNnFQX.exe.log, ASCII 8->22 dropped 48 Injects a PE file into a foreign processes 8->48 12 VxEm80QDcLNnFQX.exe 8->12         started        signatures5 process6 signatures7 50 Modifies the context of a thread in another process (thread injection) 12->50 52 Maps a DLL or memory area into another process 12->52 54 Sample uses process hollowing technique 12->54 56 Queues an APC in another process (thread injection) 12->56 15 explorer.exe 12->15 injected process8 dnsIp9 24 www.dkc010.com 141.193.156.186, 49720, 80 NETSEC-HKNETSECHK Hong Kong 15->24 26 www.kyototravel.net 133.130.64.144, 49721, 49722, 49723 INTERQGMOInternetIncJP Japan 15->26 28 192.168.2.1 unknown unknown 15->28 30 System process connects to network (likely due to code injection or exploit) 15->30 19 cmmon32.exe 13 15->19         started        signatures10 process11 signatures12 40 Tries to steal Mail credentials (via file / registry access) 19->40 42 Tries to harvest and steal browser information (history, passwords, etc) 19->42 44 Deletes itself after installation 19->44 46 2 other signatures 19->46
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
Status:
Malicious
First seen:
2022-11-23 12:07:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
27 of 40 (67.50%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:bmr1 rat spyware stealer trojan
Behaviour
Gathers network information
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Formbook
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
8192266c229eac4675ff1fb94a0311d69f49a30ea8581fdf3066761c579fbc26
MD5 hash:
4e8cb27da9e9cd3c2600117a53055218
SHA1 hash:
b245bd33081e0605be93290302a6e4f3433d1e7d
SH256 hash:
c481357bccfae53d2a60fc3057d9dd838d4ef43ccbcf35e063a2a7cdee380905
MD5 hash:
c86a26a59dc6a016b978c091b41c9e05
SHA1 hash:
bd7159c724275661d5082560ba4086a606f5e69f
SH256 hash:
9528a85088a29a8f3e722366669814cd91c8a7ba2929c0db1106c64339502db0
MD5 hash:
74efe4748ad3177ba0cf882a0d42222d
SHA1 hash:
52a5168adf174962cef96bf8c2f6817730e46b2d
SH256 hash:
cfc16a2dbb933b1b85807d48966e9301b9fc34f4c44e7357713ca88b54bf4ab4
MD5 hash:
aabd0bdc81026ade6c57383f21d5c227
SHA1 hash:
4b26936bb8c03be6d7963184215a5ab594ecb765
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
SH256 hash:
648048695290a99e4da3a55882aa6c2a62c2ee1b4fc780ebf87213f61909c34f
MD5 hash:
c12d4e3cbb1366c5c4fdcfc8a61186f1
SHA1 hash:
7adcef228867d6375bb5766f6eeba76c698622e1
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.

Malspam

Formbook

Executable exe 648048695290a99e4da3a55882aa6c2a62c2ee1b4fc780ebf87213f61909c34f

(this sample)

  
Dropped by
formbook
  
Delivery method
Distributed via e-mail attachment

Comments