MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fe5115259b2c032f03275273349549ab896959c818d771a4ad755ce64866379. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments
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SHA256 hash: 4fe5115259b2c032f03275273349549ab896959c818d771a4ad755ce64866379
SHA3-384 hash: 699332ee226cabb51673fa5c07e614e5889c757840c398a1805ef6ca4846a05edb29dfbdd744fcb65f59f36e2b1febb8
SHA1 hash: f96d64e4d904fdfdfa9a34ecb6d6220236db7a42
MD5 hash: 3ee6077e9bccf9c939181abbd73b0683
humanhash: virginia-ceiling-fish-zebra
File name:PI.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:233'833 bytes
First seen:2021-04-17 05:46:32 UTC
Last seen:2021-04-17 06:54:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ea4e67a31ace1a72683a99b80cf37830 (70 x Formbook, 63 x GuLoader, 54 x Loki)
ssdeep 6144:FPXarOjhbPOYRyszzbQ5ocolZ5Pl2vH2sF2b:crOjhbP7yszzC2lOHbG
Threatray 4'749 similar samples on MalwareBazaar
TLSH FB3412BC23A0D0D7CB3346F129F4B967AAD9931050EA73477F602FA93A51DD26E0E542
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PI.exe
Verdict:
Malicious activity
Analysis date:
2021-04-17 02:10:25 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/5803ca61-b4ea-483d-b30e-d62a32b02ce4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/136765/
Detection(s):
SecuriteInfo.com.Dropped.Trojan.GenericKD.46113946.3585.7591.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Sending a UDP request
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
Setting browser functions hooks
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/682947
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to prevent local Windows debugging
Detected unpacking (changes PE section rights)
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 dropped file
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 (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
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 390427 Sample: PI.exe Startdate: 17/04/2021 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 6 other signatures 2->42 10 PI.exe 19 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\...\is1j7z.dll, PE32 10->28 dropped 52 Detected unpacking (changes PE section rights) 10->52 54 Maps a DLL or memory area into another process 10->54 56 Tries to detect virtualization through RDTSC time measurements 10->56 58 Contains functionality to prevent local Windows debugging 10->58 14 PI.exe 10->14         started        signatures5 process6 signatures7 60 Modifies the context of a thread in another process (thread injection) 14->60 62 Maps a DLL or memory area into another process 14->62 64 Sample uses process hollowing technique 14->64 66 Queues an APC in another process (thread injection) 14->66 17 explorer.exe 14->17 injected process8 dnsIp9 30 www.unlock-motorola.com 146.148.146.34, 49763, 80 HENGTONG-IDC-LLCUS United States 17->30 32 www.xyfs360.com 156.235.228.19, 49769, 80 DXTL-HKDXTLTseungKwanOServiceHK Seychelles 17->32 34 2 other IPs or domains 17->34 44 System process connects to network (likely due to code injection or exploit) 17->44 21 svchost.exe 17->21         started        signatures10 process11 signatures12 46 Modifies the context of a thread in another process (thread injection) 21->46 48 Maps a DLL or memory area into another process 21->48 50 Tries to detect virtualization through RDTSC time measurements 21->50 24 cmd.exe 1 21->24         started        process13 process14 26 conhost.exe 24->26         started       
Detection:
formbook
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4fe5115259b2c032f03275273349549ab896959c818d771a4ad755ce64866379/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j7srcuszwladf4bsouttgskutk4jnfm4qggxogsk25k44zegmn4q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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Formbook
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85c528083c96b1f895ddd73681a8b78caf639b8dcf91eca47ae4e7e7cd3e3540
Formbook
a2cdf452f83aa86c0f3ade321cfc00a9ed3671082372081a67cad84a26492051
Formbook
c69e54b704c7d7e94faa9c3ea2519eef344e1099aa99271833bc56cae00ab8af
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dd44eb26a328f1e86823339666e1b1237ad7b1d880694c1b8fb8164b931aa512
Formbook
e5561555b0be45246e4ce5418a203d5a0d800595de770d772d0d86d0ed2662bb
Formbook
+ 4'739 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook rat spyware stealer trojan
Link:
https://tria.ge/reports/210417-pzvt3v58me/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.riceandginger.com/fcn/
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

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

Malspam

Formbook

gz c68389599677f233b8e8b91d43c6b0351f669cac560ee13cbe9ac755b116228c

Formbook

Executable exe 4fe5115259b2c032f03275273349549ab896959c818d771a4ad755ce64866379

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 c68389599677f233b8e8b91d43c6b0351f669cac560ee13cbe9ac755b116228c
Cape
Cape
https://www.capesandbox.com/analysis/136765/

Comments