MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 97989a17279bcd8fcfccf4fc1442517ff46eba38c08fa8dc3eac65b114ba8c32. 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 3 File information Comments

SHA256 hash: 97989a17279bcd8fcfccf4fc1442517ff46eba38c08fa8dc3eac65b114ba8c32
SHA3-384 hash: c3b2e637838e08d714e076e13aa148a04e5e066091ff8ea18dfb8329540d566e7876d7e4cb4051d35e760d2763a36e22
SHA1 hash: 28fa0cca34680fc92c823f0445bb86da76b88931
MD5 hash: 442f50a5c1e396a2de4fc4ece2614b0f
humanhash: london-kitten-cat-green
File name:442f50a5c1e396a2de4fc4ece2614b0f.exe
Download: download sample
Signature Formbook
File size:634'368 bytes
First seen:2023-11-10 06:26:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'739 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:91CuFVcV2obDPICCnoRAW7qciqH8ItZT9BnH351irka/cl:muF+VNCoRpxLH8InT9BH3iga
Threatray 3'703 similar samples on MalwareBazaar
TLSH T1F7D401012AB88B57F27957F33620BA001779F7AFA966F38E9CD961CC0576F008A56317
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 c018f9ccccf430c4 (16 x AgentTesla, 4 x Formbook)
Reporter abuse_ch
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
1
# of downloads :
275
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
macros-on-open 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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
Uses netsh to modify the Windows network and firewall settings
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1340295 Sample: j7jbTHWTgi.exe Startdate: 10/11/2023 Architecture: WINDOWS Score: 100 30 www.toollessassembling.com 2->30 32 www.sykdnxjxbyu.xyz 2->32 34 14 other IPs or domains 2->34 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 9 other signatures 2->48 11 j7jbTHWTgi.exe 3 2->11         started        signatures3 process4 signatures5 60 Tries to detect virtualization through RDTSC time measurements 11->60 62 Injects a PE file into a foreign processes 11->62 14 j7jbTHWTgi.exe 11->14         started        17 j7jbTHWTgi.exe 11->17         started        process6 signatures7 64 Modifies the context of a thread in another process (thread injection) 14->64 66 Maps a DLL or memory area into another process 14->66 68 Sample uses process hollowing technique 14->68 70 Queues an APC in another process (thread injection) 14->70 19 explorer.exe 7 1 14->19 injected process8 dnsIp9 36 pfasud6j.minecdn.com 156.237.5.172, 49746, 80 RBNETRBNETCoLtdJP Seychelles 19->36 38 www.toollessassembling.com 195.74.38.62, 49748, 80 NET-BINERO-STHLM1SE Sweden 19->38 40 5 other IPs or domains 19->40 50 System process connects to network (likely due to code injection or exploit) 19->50 52 Uses netsh to modify the Windows network and firewall settings 19->52 23 netsh.exe 12 19->23         started        signatures10 process11 signatures12 54 Modifies the context of a thread in another process (thread injection) 23->54 56 Maps a DLL or memory area into another process 23->56 58 Tries to detect virtualization through RDTSC time measurements 23->58 26 cmd.exe 1 23->26         started        process13 process14 28 conhost.exe 26->28         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-08 12:17:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
formbook
Score:
  10/10
Tags:
family:formbook campaign:o5gu rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Formbook payload
Formbook
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
f1f81905386f26011da890ffc4d02cbda172ed33451849d27d7a53550cbc1fed
MD5 hash:
5da88c3186bc96e4663cf880be64ac69
SHA1 hash:
2fe1b4696eaec6880c1410295b0a99ff6aca7c94
SH256 hash:
62757af7ce2dcfe188245dd26d85e233c2ded82311c600c7c8ec83c8c8a071b2
MD5 hash:
804cc8416b7db140f03d251ca3abbf00
SHA1 hash:
1a1160f7db639606a1046b555b08a43035aff960
SH256 hash:
97989a17279bcd8fcfccf4fc1442517ff46eba38c08fa8dc3eac65b114ba8c32
MD5 hash:
442f50a5c1e396a2de4fc4ece2614b0f
SHA1 hash:
28fa0cca34680fc92c823f0445bb86da76b88931
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: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.

Web download

Formbook

Executable exe 97989a17279bcd8fcfccf4fc1442517ff46eba38c08fa8dc3eac65b114ba8c32

(this sample)

  
Delivery method
Distributed via web download

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