MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c0b363499da0abc5bfe5213d4ccff6ecf5f4b8d2ba2bc6b143f3a79c135e0ce. 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 4 File information Comments

SHA256 hash: 5c0b363499da0abc5bfe5213d4ccff6ecf5f4b8d2ba2bc6b143f3a79c135e0ce
SHA3-384 hash: d4830ac186b406d7863a2d4e34f7116869927bc6c678e6cb0d06d6e62a0e81adba5159c16a59dc297a029d41afd954ed
SHA1 hash: ce6c1df2044397a9432d647fb469c948d6e74927
MD5 hash: 752941a317d6e1ee5519de713e9b0b66
humanhash: nuts-july-arizona-potato
File name:RE.Re,price lists pdf.exe
Download: download sample
Signature Formbook
File size:550'912 bytes
First seen:2023-11-26 16:51:29 UTC
Last seen:2023-11-26 18:38:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:my8ohI1b2VwfO35d8XacHbR+WN5xF9/ePqec7lC3P0fyr:mFoI1b22fOJdPcHbf5b9/sc7MBr
Threatray 438 similar samples on MalwareBazaar
TLSH T142C4230744FCC7DBC914B7F554A91A5333F7A11F80C6D2ABAEC2213D5260B1A99A48EB
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 15cce4f4d0d8cc53 (12 x Formbook, 5 x AgentTesla, 3 x RemcosRAT)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
283
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Setting browser functions hooks
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 domain / URL
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
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
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1348037 Sample: RE.Re,price_lists_pdf.exe Startdate: 26/11/2023 Architecture: WINDOWS Score: 100 38 www.kt8mx41vvk0gp4f.xyz 2->38 40 www.viptop77.biz 2->40 42 14 other IPs or domains 2->42 46 Snort IDS alert for network traffic 2->46 48 Multi AV Scanner detection for domain / URL 2->48 50 Found malware configuration 2->50 54 11 other signatures 2->54 11 RE.Re,price_lists_pdf.exe 3 2->11         started        signatures3 52 Performs DNS queries to domains with low reputation 38->52 process4 signatures5 62 Tries to detect virtualization through RDTSC time measurements 11->62 64 Injects a PE file into a foreign processes 11->64 14 RE.Re,price_lists_pdf.exe 11->14         started        process6 signatures7 66 Modifies the context of a thread in another process (thread injection) 14->66 68 Maps a DLL or memory area into another process 14->68 70 Sample uses process hollowing technique 14->70 72 Queues an APC in another process (thread injection) 14->72 17 explorer.exe 16 7 14->17 injected process8 dnsIp9 32 www.datalinkstore.com 46.105.190.248, 49735, 80 OVHFR France 17->32 34 themobilefinder.com 217.21.90.194, 49722, 80 IPPLANET-ASIL United Kingdom 17->34 36 3 other IPs or domains 17->36 44 System process connects to network (likely due to code injection or exploit) 17->44 21 cscript.exe 17->21         started        24 autofmt.exe 17->24         started        26 autofmt.exe 17->26         started        signatures10 process11 signatures12 56 Modifies the context of a thread in another process (thread injection) 21->56 58 Maps a DLL or memory area into another process 21->58 60 Tries to detect virtualization through RDTSC time measurements 21->60 28 cmd.exe 1 21->28         started        process13 process14 30 conhost.exe 28->30         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-22 05:11:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:cc73 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 UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Deletes itself
Formbook payload
Formbook
Unpacked files
SH256 hash:
797e57bd74a68f7b4808a213f5c319ee4f4b023bc73088175d4393dfee9fe329
MD5 hash:
3c927935fbd608e7628cc2c5ad7d52fd
SHA1 hash:
ee0c880c0614ac960fd641f7d479233584aed1d8
SH256 hash:
3fc435481d7ef0079bdad4dd86185e61a5092a5df4a3e17a75266cf283effaa1
MD5 hash:
ead80ad88662af6f37f0c49fe6e3fb44
SHA1 hash:
dbeb4019c7337347d1c6d0913c9249021cafd849
SH256 hash:
d3d95708334ced0673d93ad56aca394651270f1a55db771656fe7bb14518a173
MD5 hash:
dbc18240c83a837aa24dfcb10a35ef0f
SHA1 hash:
36ef5a81110308d9b582ae10bd7e847ff469a723
SH256 hash:
5c0b363499da0abc5bfe5213d4ccff6ecf5f4b8d2ba2bc6b143f3a79c135e0ce
MD5 hash:
752941a317d6e1ee5519de713e9b0b66
SHA1 hash:
ce6c1df2044397a9432d647fb469c948d6e74927
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
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 5c0b363499da0abc5bfe5213d4ccff6ecf5f4b8d2ba2bc6b143f3a79c135e0ce

(this sample)

  
Delivery method
Distributed via e-mail attachment

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