MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 500735b3993b79d6fdfb1d1f823885e6c7a1e4f21967e1a4b9750a6ad351036b. 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: 500735b3993b79d6fdfb1d1f823885e6c7a1e4f21967e1a4b9750a6ad351036b
SHA3-384 hash: e59afd71787fbcc4c163e16db3df7b4ce139878c238ba94baa45a6a193e20aba33bfaf08c072902e9294413edad84e37
SHA1 hash: fad0a1d487787af6817c32d26bbc1a1c985cf245
MD5 hash: 37923cface05d9ef898bb65843416716
humanhash: tennis-texas-football-fish
File name:Ziraat Bankasi Swift Mesaji.exe
Download: download sample
Signature Formbook
File size:681'472 bytes
First seen:2022-08-10 14:25:00 UTC
Last seen:2022-08-10 15:03:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:GVaCR8WbRyb00KhjN/tsLykIZLLDcqEdeswUmtcHJDGYz4YXlT8gJT:GAC7p0UJaLybhiricAhut
TLSH T1CBE4F106CEDD1DF9C5A1E772621340B08DB36478D1E2AE22AD9619773F72A39E543F01
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)
Reporter abuse_ch
Tags:exe FormBook geo TUR ZiraatBank

Intelligence


File Origin
# of uploads :
2
# of downloads :
259
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
Ziraat Bankasi Swift Mesaji.exe
Verdict:
Malicious activity
Analysis date:
2022-08-10 14:27:17 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
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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
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
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 detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 681765 Sample: Ziraat Bankasi Swift Mesaji.exe Startdate: 10/08/2022 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 Yara detected AntiVM3 2->38 40 7 other signatures 2->40 10 Ziraat Bankasi Swift Mesaji.exe 3 2->10         started        process3 file4 28 C:\...\Ziraat Bankasi Swift Mesaji.exe.log, ASCII 10->28 dropped 50 Injects a PE file into a foreign processes 10->50 14 Ziraat Bankasi Swift Mesaji.exe 10->14         started        signatures5 process6 signatures7 52 Modifies the context of a thread in another process (thread injection) 14->52 54 Maps a DLL or memory area into another process 14->54 56 Sample uses process hollowing technique 14->56 58 Queues an APC in another process (thread injection) 14->58 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.yh876666.com 17->30 32 yh876666.com 34.102.136.180, 49772, 80 GOOGLEUS United States 17->32 42 System process connects to network (likely due to code injection or exploit) 17->42 21 wlanext.exe 17->21         started        signatures10 process11 signatures12 44 Modifies the context of a thread in another process (thread injection) 21->44 46 Maps a DLL or memory area into another process 21->46 48 Tries to detect virtualization through RDTSC time measurements 21->48 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2022-08-10 08:59:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:b29a rat spyware stealer trojan
Behaviour
Enumerates system info in registry
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
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
350124d1833054b54a8995db7f6c6fbb2d2c7cd540b846b2b7c6e53f8456eff4
MD5 hash:
acf68723bab23a84ca63577c056102fd
SHA1 hash:
20ae076c20f4194eb85a9b80c890b1dbf5749376
SH256 hash:
f7e8d134012cfc6de13d387531e13f6798d4e2e41424065ed054de5ae2d30e23
MD5 hash:
e673999c61d6efa0053002876d34caa2
SHA1 hash:
b9497fcfe7ea037b9551fa930346ece495ce60fd
SH256 hash:
18eb60c0eb3e1c610526d9f4b42684ac36a2ebb521514a8770dca2f2afd7f471
MD5 hash:
7ca239778f9f46d28b08876564dba525
SHA1 hash:
973b0d0d98a83b7dfcf1bfce04a179b0f070b98c
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
500735b3993b79d6fdfb1d1f823885e6c7a1e4f21967e1a4b9750a6ad351036b
MD5 hash:
37923cface05d9ef898bb65843416716
SHA1 hash:
fad0a1d487787af6817c32d26bbc1a1c985cf245
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.

Comments