MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d5692148172354fedfed8e9e8f368a59a8c2c6372c7885e80087d9ba5ad76c1. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash: 1d5692148172354fedfed8e9e8f368a59a8c2c6372c7885e80087d9ba5ad76c1
SHA3-384 hash: 2a17a506ac8780388e0d37a035de307466b0c548b7ed6656f01ca52beebdc0d5e756feb191959ddbdd036e9ca2fe1a2b
SHA1 hash: d8a092cd9c6d4034e1dae4c850169e38ba46ff7b
MD5 hash: cd8edca1396524d51a71ca38b7f5273f
humanhash: fillet-white-edward-speaker
File name:z2______________________________.exe
Download: download sample
Signature Formbook
File size:619'520 bytes
First seen:2024-02-14 13:35:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:5ekeQ5vziy6BQgKPZn3HB78Ujj0nGDRql6w2lgHiKeee9JMALH/6V6Cs2:5ekriy6CzB3CnGo/CKeee9J1S
Threatray 771 similar samples on MalwareBazaar
TLSH T1C4D41220129CE3A3CD1913FE5853174A63F6A3BBBA91E6CABF04145D4DB3B07A741267
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon ccba71ecccc071b2 (3 x AgentTesla, 3 x Formbook, 1 x RedLineStealer)
Reporter FXOLabs
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
300
Origin country :
BR BR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Creating a file
Launching the process to change network settings
Launching cmd.exe command interpreter
Setting browser functions hooks
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Malicious
Threat level:
  10/10
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
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 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
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Double Extension File Execution
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: 1392182 Sample: z2_________________________... Startdate: 14/02/2024 Architecture: WINDOWS Score: 100 36 www.8x101n.xyz 2->36 38 www.zezfhys.com 2->38 40 10 other IPs or domains 2->40 48 Snort IDS alert for network traffic 2->48 50 Multi AV Scanner detection for domain / URL 2->50 52 Found malware configuration 2->52 56 13 other signatures 2->56 11 z2______________________________.exe 4 2->11         started        signatures3 54 Performs DNS queries to domains with low reputation 36->54 process4 signatures5 60 Adds a directory exclusion to Windows Defender 11->60 14 RegSvcs.exe 11->14         started        17 RegSvcs.exe 11->17         started        19 powershell.exe 23 11->19         started        process6 signatures7 68 Modifies the context of a thread in another process (thread injection) 14->68 70 Maps a DLL or memory area into another process 14->70 72 Sample uses process hollowing technique 14->72 74 Queues an APC in another process (thread injection) 14->74 21 explorer.exe 62 1 14->21 injected 76 Tries to detect virtualization through RDTSC time measurements 17->76 25 WmiPrvSE.exe 19->25         started        27 conhost.exe 19->27         started        process8 dnsIp9 42 www.theanhedonia.com 103.224.212.212, 49746, 80 TRELLIAN-AS-APTrellianPtyLimitedAU Australia 21->42 44 www.smnyg.com 154.86.173.213, 49740, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 21->44 46 3 other IPs or domains 21->46 58 System process connects to network (likely due to code injection or exploit) 21->58 29 control.exe 21->29         started        signatures10 process11 signatures12 62 Modifies the context of a thread in another process (thread injection) 29->62 64 Maps a DLL or memory area into another process 29->64 66 Tries to detect virtualization through RDTSC time measurements 29->66 32 cmd.exe 1 29->32         started        process13 process14 34 conhost.exe 32->34         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2024-02-13 04:15:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:gy14 rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook payload
Formbook
Unpacked files
SH256 hash:
75accc0c2926e373c395dafe8324b0dbd256bb398ae8a765abbab18f2729c09a
MD5 hash:
f4aa278c181d6a5da571b7fa14025898
SHA1 hash:
523666ffb8bed7d116377446724536c553629dae
Detections:
FormBook win_formbook_w0 win_formbook_auto win_formbook_g0 Formbook
Parent samples :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 hash:
7d4e588d435694e03cedca3504fa78c600a6d74b535b2081cb152d5bd18b19e1
MD5 hash:
da1cfb55c02eb3b65508ec8e5929110f
SHA1 hash:
b3b5c3b22458cc1dd07dcb6e163f6becff35eea3
SH256 hash:
a13426881976b306ac0a96e5584ad55efaffe8a09b87ab5394e9fe5a113fa03f
MD5 hash:
fa9f7dce62aa0781b8752995c6091dd2
SHA1 hash:
b0beee0811db641f448065943beb030237ed6663
SH256 hash:
3dff12ee9183149386bfb90aa8bb671f57201de4e1157b79dd22fea45d837562
MD5 hash:
02e3968ff81ca78205efb912d981ea81
SHA1 hash:
0846251d2774064940f11617e1b15b2eb63834aa
SH256 hash:
1d5692148172354fedfed8e9e8f368a59a8c2c6372c7885e80087d9ba5ad76c1
MD5 hash:
cd8edca1396524d51a71ca38b7f5273f
SHA1 hash:
d8a092cd9c6d4034e1dae4c850169e38ba46ff7b
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 1d5692148172354fedfed8e9e8f368a59a8c2c6372c7885e80087d9ba5ad76c1

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments