MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a312d4e7c74e5d5baca4d788d024064ea7551076b2de57f813d31c29c7d8f629. 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: 7


Intelligence 7 IOCs YARA File information Comments
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SHA256 hash: a312d4e7c74e5d5baca4d788d024064ea7551076b2de57f813d31c29c7d8f629
SHA3-384 hash: 766b29d19baf7e16193e064be3338cf385824d35bb1d49445aea707112876a2fd342368e8d671bf8d237cb0631e8117f
SHA1 hash: 2668cf4a181e47135a1be75b08e6b5108277230e
MD5 hash: e06cf376be7d3ea2e8f2c426cd09229a
humanhash: august-venus-grey-double
File name:SecuriteInfo.com.Trojan.PackedNET.546.1336.19071
Download: download sample
Signature Formbook
Create hunting rule
File size:502'784 bytes
First seen:2021-02-19 15:07:49 UTC
Last seen:2021-02-19 15:54:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:uKDMAYloj1/L8YEAQwgG5h8Df+1IbPP9z3nkeDrxbcJ2ZLkAOXSeiouM1RFOGsY:uKDMAzjN4YEAF+Dm2xw41gDhi61/C
Threatray 3'886 similar samples on MalwareBazaar
TLSH A5B4E1573BC659FBE2AD863116AC5AA022F4A127B5A1F36F7DC113D4DE00B0A5B02673
Reporter SecuriteInfoCom
Tags:FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
164
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/118037/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.546.1336.19071.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Creating a window
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Unauthorized injection to a browser process
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/612808
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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 submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sigma detected: CMSTP Execution Process Creation
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 355414 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 19/02/2021 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->38 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 6 other signatures 2->44 10 SecuriteInfo.com.Trojan.PackedNET.546.1336.exe 15 4 2->10         started        process3 file4 28 C:\Users\user\AppData\...\AddInProcess32.exe, PE32 10->28 dropped 30 SecuriteInfo.com.T...ET.546.1336.exe.log, ASCII 10->30 dropped 54 Writes to foreign memory regions 10->54 56 Allocates memory in foreign processes 10->56 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 10->58 60 Injects a PE file into a foreign processes 10->60 14 AddInProcess32.exe 10->14         started        signatures5 process6 signatures7 62 Modifies the context of a thread in another process (thread injection) 14->62 64 Maps a DLL or memory area into another process 14->64 66 Sample uses process hollowing technique 14->66 68 2 other signatures 14->68 17 explorer.exe 14->17 injected process8 dnsIp9 32 shreeshyamexporters.com 162.214.184.71, 49718, 80 UNIFIEDLAYER-AS-1US United States 17->32 34 www.tg0913.com 154.88.64.85, 49717, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 17->34 36 www.shreeshyamexporters.com 17->36 46 System process connects to network (likely due to code injection or exploit) 17->46 21 cmstp.exe 17->21         started        signatures10 process11 signatures12 48 Modifies the context of a thread in another process (thread injection) 21->48 50 Maps a DLL or memory area into another process 21->50 52 Tries to detect virtualization through RDTSC time measurements 21->52 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a312d4e7c74e5d5baca4d788d024064ea7551076b2de57f813d31c29c7d8f629/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-02-18 19:42:16 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
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Formbook
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Formbook
+ 3'876 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook agilenet rat spyware stealer trojan
Link:
https://tria.ge/reports/210219-hy53sq7a8n/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Executes dropped EXE
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.guanmei2020.com/dyt/
Unpacked files
SH256 hash:
a312d4e7c74e5d5baca4d788d024064ea7551076b2de57f813d31c29c7d8f629
MD5 hash:
e06cf376be7d3ea2e8f2c426cd09229a
SHA1 hash:
2668cf4a181e47135a1be75b08e6b5108277230e
Link:
https://www.unpac.me/results/b5948bea-c653-4229-af44-0f6cc313d569/
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe a312d4e7c74e5d5baca4d788d024064ea7551076b2de57f813d31c29c7d8f629

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/118037/
  
URLhaus
https://urlhaus.abuse.ch/url/1019427/
  
Delivery method
Distributed via web download

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