MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5d87e85a0cf1334149526ca4df8e39bd40d8699c56c30a616ef3a2edd1946520. 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 4 File information Comments

SHA256 hash: 5d87e85a0cf1334149526ca4df8e39bd40d8699c56c30a616ef3a2edd1946520
SHA3-384 hash: 31035a7f40403e1da99005dccef18e5e3bd2f29d1d90d6399d7f357c9281747fe15c0ec25c03a4400cbc3bfef245b22a
SHA1 hash: 54a9b29cb6907292d1d38d2fe102c0dc798ec611
MD5 hash: 1b37fdb652ddb153c4edc1f8773e7530
humanhash: uniform-apart-moon-spring
File name:Quote Request.exe
Download: download sample
Signature Formbook
File size:647'680 bytes
First seen:2023-10-09 05:29:05 UTC
Last seen:2023-10-09 07:01:17 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:GawiSAx5PWPQcTZEXX5wF/24g3t+txt4ZCkjIn8IEKAnkmHEmaXe9eD3:GN7Ax5uP9e5W/2d4txt4ZCFn8cwEmi
Threatray 1'972 similar samples on MalwareBazaar
TLSH T1ADD4020A33BC45B9E71DC63D12B2544603FF6209BF68D39A1E8B28C66DD27A35602F57
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 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
298
Origin country :
HU HU
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Restart of the analyzed sample
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
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.
Malware family:
Malicious Packer
Verdict:
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 / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
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
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 FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1321933 Sample: Quote_Request.exe Startdate: 09/10/2023 Architecture: WINDOWS Score: 100 34 www.yiyageshafa.com 2->34 36 www.marcomarzadori-shop.com 2->36 38 6 other IPs or domains 2->38 42 Snort IDS alert for network traffic 2->42 44 Multi AV Scanner detection for domain / URL 2->44 46 Found malware configuration 2->46 48 10 other signatures 2->48 11 Quote_Request.exe 3 2->11         started        signatures3 process4 signatures5 54 Tries to detect virtualization through RDTSC time measurements 11->54 14 Quote_Request.exe 11->14         started        process6 signatures7 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 Queues an APC in another process (thread injection) 14->62 17 explorer.exe 4 1 14->17 injected process8 dnsIp9 28 www.castler.link 72.14.178.174, 49716, 80 LINODE-APLinodeLLCUS United States 17->28 30 www.abdg1.com 38.239.99.155, 49719, 80 COGENT-174US United States 17->30 32 2 other IPs or domains 17->32 40 System process connects to network (likely due to code injection or exploit) 17->40 21 msiexec.exe 17->21         started        signatures10 process11 signatures12 50 Modifies the context of a thread in another process (thread injection) 21->50 52 Maps a DLL or memory area into another process 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.LokiBot
Status:
Malicious
First seen:
2023-10-03 02:31:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:5nd2 rat spyware stealer trojan
Behaviour
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:
517f89e1e82c51b8a6239f29f9eb09f1dc58b71feab00c4817fed3cae5372e8b
MD5 hash:
b7333fe83379c11795cd480ecd6c068d
SHA1 hash:
55338daa2cba69f04bca88ea382c464dba5e6330
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0
SH256 hash:
579f1b6c0db41078cb80363969d9cb2e0eb88d3489ffe9a9b575d1166d8c9ab4
MD5 hash:
831705729e879ec2a025d4d82e41e54a
SHA1 hash:
8aef16f8ff07a36aab60f55a1dfa2283dd3dae66
SH256 hash:
df4ae14aba1386482151a3b8cc58ef081c58306da7f4cc0c35e0718242cf043c
MD5 hash:
8383b9306b9b5929b0aed1f24991d929
SHA1 hash:
6acebb9f139a62de981a3ec15ce35f61f5c3132e
SH256 hash:
80557f71bbd2d6f222f677fe978cfebba1c163b2b498436f3162176f0d39f83e
MD5 hash:
895771d74e125fd728a291a47f6e3e7d
SHA1 hash:
04c48290b3fa77f159794d157f449cc2a3f2aa33
SH256 hash:
5d87e85a0cf1334149526ca4df8e39bd40d8699c56c30a616ef3a2edd1946520
MD5 hash:
1b37fdb652ddb153c4edc1f8773e7530
SHA1 hash:
54a9b29cb6907292d1d38d2fe102c0dc798ec611
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 5d87e85a0cf1334149526ca4df8e39bd40d8699c56c30a616ef3a2edd1946520

(this sample)

  
Delivery method
Distributed via e-mail attachment

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