MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec879f20532ad2763f5b921c58e0231e542ae4f7d488aadf0fdddbaf14fa3569. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments

SHA256 hash: ec879f20532ad2763f5b921c58e0231e542ae4f7d488aadf0fdddbaf14fa3569
SHA3-384 hash: 297491475a132420984032a3df0a5b193d87f2be875d8659d54c3f38ce3c6c7a0a26c41b0fee7f9ab2a99dee7801600b
SHA1 hash: 01d6231af83ff275892db70fb368bdf220877e81
MD5 hash: 29125dc2ce3fff94ba09a3b9a820a9ab
humanhash: arkansas-kansas-fillet-berlin
File name:PO-CORPORATION MLS-E-2023060266.exe
Download: download sample
Signature Formbook
File size:746'496 bytes
First seen:2023-06-19 07:42:42 UTC
Last seen:2023-06-26 08:01:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:ZltYq7J3At5iHOq+ZQcTxkNb9eEps7lLesxcwuoeHaIHDSF:ZDYqtm8OqK/SCe+uomeF
Threatray 2'975 similar samples on MalwareBazaar
TLSH T173F4124C3C556553E86C17BC46E037B62B7F5FA93927FA8E1E92B4C8DCA1B0216A0713
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)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
278
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
PO-CORPORATION MLS-E-2023060266.exe
Verdict:
Malicious activity
Analysis date:
2023-06-19 07:46:19 UTC
Tags:
formbook xloader

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
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Launching cmd.exe command interpreter
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo formbook packed remcos
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
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 890171 Sample: PO-CORPORATION_MLS-E-202306... Startdate: 19/06/2023 Architecture: WINDOWS Score: 100 53 www.dtripofjava.com 2->53 69 Snort IDS alert for network traffic 2->69 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 77 7 other signatures 2->77 11 RVxdalAIGzUJ.exe 5 2->11         started        14 PO-CORPORATION_MLS-E-2023060266.exe 7 2->14         started        signatures3 75 System process connects to network (likely due to code injection or exploit) 53->75 process4 file5 85 Multi AV Scanner detection for dropped file 11->85 87 Machine Learning detection for dropped file 11->87 89 Tries to detect virtualization through RDTSC time measurements 11->89 17 RVxdalAIGzUJ.exe 11->17         started        20 schtasks.exe 1 11->20         started        45 C:\Users\user\AppData\...\RVxdalAIGzUJ.exe, PE32 14->45 dropped 47 C:\Users\...\RVxdalAIGzUJ.exe:Zone.Identifier, ASCII 14->47 dropped 49 C:\Users\user\AppData\Local\...\tmpD3E9.tmp, XML 14->49 dropped 51 PO-CORPORATION_MLS-E-2023060266.exe.log, ASCII 14->51 dropped 91 Uses schtasks.exe or at.exe to add and modify task schedules 14->91 93 Adds a directory exclusion to Windows Defender 14->93 22 powershell.exe 21 14->22         started        24 schtasks.exe 1 14->24         started        26 PO-CORPORATION_MLS-E-2023060266.exe 14->26         started        signatures6 process7 signatures8 61 Modifies the context of a thread in another process (thread injection) 17->61 63 Maps a DLL or memory area into another process 17->63 65 Sample uses process hollowing technique 17->65 67 Queues an APC in another process (thread injection) 17->67 28 explorer.exe 2 1 17->28 injected 32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        36 conhost.exe 24->36         started        process9 dnsIp10 55 www.bimoxf.xyz 203.161.56.141, 49697, 80 VNPT-AS-VNVNPTCorpVN Malaysia 28->55 57 www.c4870.top 28->57 59 192.168.2.1 unknown unknown 28->59 95 System process connects to network (likely due to code injection or exploit) 28->95 97 Performs DNS queries to domains with low reputation 28->97 38 msdt.exe 28->38         started        signatures11 process12 signatures13 79 Modifies the context of a thread in another process (thread injection) 38->79 81 Maps a DLL or memory area into another process 38->81 83 Tries to detect virtualization through RDTSC time measurements 38->83 41 cmd.exe 1 38->41         started        process14 process15 43 conhost.exe 41->43         started       
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-06-19 07:43:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:ga94 rat spyware stealer trojan
Behaviour
Creates scheduled task(s)
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
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
SH256 hash:
930c91b2b0cb6fbd62c6c3651631c334915f9f78900a1c3525d2a58d1d3ca963
MD5 hash:
4427245acd87086dc450e4e8f73fac35
SHA1 hash:
b318ddda85693e4f8b2418eb4aaa1ee3834a4bd8
SH256 hash:
24b077fd9b344cd944a736f24ada8b80c7285f7343ff9dc56b58769bde27e4f6
MD5 hash:
64fcc151459a284a183dbbc044aa2142
SHA1 hash:
a33fa55f857e654bb5688c116680217e673bb600
SH256 hash:
ffa317a3a8a303961938c3eb7107d50fe89d5a36bcf1a48d4b36a62a25d3793d
MD5 hash:
6dbbf0b05937d1a8d1e816a4bdcc9574
SHA1 hash:
081afcb0f7daff67ba2927e6e87ce4034ae7a513
SH256 hash:
ec879f20532ad2763f5b921c58e0231e542ae4f7d488aadf0fdddbaf14fa3569
MD5 hash:
29125dc2ce3fff94ba09a3b9a820a9ab
SHA1 hash:
01d6231af83ff275892db70fb368bdf220877e81
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 ec879f20532ad2763f5b921c58e0231e542ae4f7d488aadf0fdddbaf14fa3569

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments