MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3147300f9248e07ffd3a1b7131bed4febad8b0a88eeda27e606f36d04ff1340. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f3147300f9248e07ffd3a1b7131bed4febad8b0a88eeda27e606f36d04ff1340
SHA3-384 hash: ec655209cd92a8ac40416a26add10dda5851522d7e321d6c56d466a48138227ec26052853ee300554ffdf156f3baf18f
SHA1 hash: 8ac40ef9fa5100a39b14258d8d8e562cefd7202c
MD5 hash: 665cb19601850467af3ee7d9fd0e0350
humanhash: saturn-mockingbird-helium-summer
File name:PO.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:228'037 bytes
First seen:2021-04-08 09:46:20 UTC
Last seen:2021-04-08 10:58:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 18bc6fa81e19f21156316b1ae696ed6b (51 x Formbook, 24 x Loki, 9 x SnakeKeylogger)
ssdeep 3072:HyewmN4skJ6/rfxXjk0A3knDWFylq12Hk4MSxUt0SaGFUw8JIkV+6H3PoH/BIbrN:Hd7bNjU3kn46q2k43OFU2kV++wmb9V5
Threatray 4'573 similar samples on MalwareBazaar
TLSH F5241211A7E09F77EE6359B70EB36B62CA335141701213530BC41DF3BFB4A42AB6819A
Reporter abuse_ch
Tags:exe FormBook


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: slot0.synat-eheur.com
Sending IP: 185.121.120.64
From: Sheymann Mark<postmaster@synat-eheur.com>
Subject: PO
Attachment: PO.rar (contains "PO.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO.exe
Verdict:
Malicious activity
Analysis date:
2021-04-08 17:35:59 UTC
Tags:
installer trojan formbook stealer
Link:
https://app.any.run/tasks/0529a927-cb1a-4603-967e-c9c528eadbf9

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/133158/
Detection(s):
SecuriteInfo.com.Troj.Agent-BGTI.10959.7116.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Deleting a recently created file
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:
UNKNOWN
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/669901
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to prevent local Windows debugging
Detected unpacking (changes PE section rights)
Found malware configuration
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
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: 383905 Sample: PO.exe Startdate: 08/04/2021 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Multi AV Scanner detection for dropped file 2->40 42 4 other signatures 2->42 10 PO.exe 18 2->10         started        process3 file4 28 C:\Users\user\AppData\Local\...\5t94xwjj.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 PO.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.websiteworlda-z.com 194.117.254.63, 49693, 80 UDMEDIA-ASDE Germany 17->30 32 www.phorice.com 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 explorer.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/f3147300f9248e07ffd3a1b7131bed4febad8b0a88eeda27e606f36d04ff1340/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-04-08 08:48:04 UTC
AV detection:
8 of 48 (16.67%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6mkhgahzeshap76tug3rgg7nj7v23cykrdxnuj7ga3zw2bh7cnaa._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
06468ea1dc2797e282fadf08ce089550b3f4f665277c65889106e9d33ed61239
Formbook
144ba78ed9c55be4ae5cf35ce9dfa6ee728c8e3eec6ae24e86b63b16c259d772
Formbook
5386335debe7df955f9f8cf8e2fa0d5d482b197a3e24c59b0197eba5bf3d28b4
Formbook
53cd0bb46c1d8aa4dc128569b2c2b2b13f0d4a1357e464e5eec019a7f11195d6
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57605921f72fd210ec256ed3010b59d111c6d3b9e49b9e830e06d6bddce83db4
Formbook
770710adcc9c97316e0f43dcc99ef1561dfe8ec086a1514d4c3d7d0d90b24181
Formbook
c2b8d66b59eabf04dadf3af98e03e6f3aad3f289e826852fabda188863eb679b
Formbook
cad578cb66b96125accf74e291decfbfa2026857ec0efcae51a25ba4cc185ddc
Formbook
ee0a32169adde722c5652fb40046d8251fa8a89ce615a637ed5708372af0d163
Formbook
ff3008594a20025a09ea2c83310d08f1c1aada6daa05b7a37ffefbe09cf8a2e7
Formbook
+ 4'563 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/210408-66bg7y5y5x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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.c-voyageinc.com/r4ei/
Unpacked files
SH256 hash:
9c664635017ff7ef402560959bee1405d2a7c34d618cea934cd8aa535942fc36
MD5 hash:
d78a5489562c9fac69978f67c25c9fc3
SHA1 hash:
8bd01da531bdcca7d7374b7e53209420393a67d2
Link:
https://www.unpac.me/results/2db1e3f5-ab17-4fe4-ad6f-f2ae4142299e/
SH256 hash:
f3147300f9248e07ffd3a1b7131bed4febad8b0a88eeda27e606f36d04ff1340
MD5 hash:
665cb19601850467af3ee7d9fd0e0350
SHA1 hash:
8ac40ef9fa5100a39b14258d8d8e562cefd7202c
Link:
https://www.unpac.me/results/2db1e3f5-ab17-4fe4-ad6f-f2ae4142299e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.67
Link:
https://yomi.yoroi.company/submissions/f3147300f9248e07ffd3a1b7131bed4febad8b0a88eeda27e606f36d04ff1340

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

rar 19d570eee8996ffebe7a47f7b60458987e070ec2d3d2508a2a5f2d202b5d0b2b

Formbook

Executable exe f3147300f9248e07ffd3a1b7131bed4febad8b0a88eeda27e606f36d04ff1340

(this sample)

  
Dropped by
MD5 4179669a60437488e28e51a8077c955b
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/133158/
  
Dropped by
SHA256 19d570eee8996ffebe7a47f7b60458987e070ec2d3d2508a2a5f2d202b5d0b2b

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