MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df9fe11c039698ca36c7d81bd75de8700aacb67e4ce98b9df0ceaa2fe6d2c623. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments 1
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SHA256 hash: df9fe11c039698ca36c7d81bd75de8700aacb67e4ce98b9df0ceaa2fe6d2c623
SHA3-384 hash: a70ef992d42d727b595e901feec0a39c46ebf809452ea87c4faeccc56c2fdf5e70fb9123fedb521f53ac668fbcdc30d1
SHA1 hash: 9e9c1dd646db8575d8e67275b57349f26fbbc8c6
MD5 hash: 4aa1142a3f569b23158f637ffb90d9ee
humanhash: lion-cardinal-texas-jig
File name:4aa1142a3f569b23158f637ffb90d9ee
Download: download sample
Signature Formbook
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File size:247'984 bytes
First seen:2022-03-21 12:59:09 UTC
Last seen:2022-03-21 15:05:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGia0NIRjkqB3ye/8Ex428dJ8MIzFDr30SomAp:20ORjqo8N4Hz530p
Threatray 14'289 similar samples on MalwareBazaar
TLSH T1DE341207BAC2D6F7E9D6567060B0A3B2C3B26746067A4B630FE87F371D7225A47091C6
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
235
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
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ID:
1
File name:
http://lutanedukasi.co.id/wp-includes/Fileo.exe
Verdict:
Malicious activity
Analysis date:
2022-03-21 15:48:24 UTC
Tags:
trojan loader formbook stealer
Link:
https://app.any.run/tasks/fb307215-40f0-4668-ba82-777d7c2c7040

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/253600/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.1.13620.30256.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Launching cmd.exe command interpreter
Searching for synchronization primitives
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/623876dcdfdfa8501cc6deb0/reports/93cab20a-47f8-4edb-a20d-abca2f834aa3/overview
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.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bf4e918b-a9ac-4f5b-81c4-bbf236a139c3
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/960768
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Performs DNS queries to domains with low reputation
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: 593249 Sample: U0155L0RXb Startdate: 21/03/2022 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 4 other signatures 2->51 11 U0155L0RXb.exe 18 2->11         started        process3 file4 31 C:\Users\user\AppData\...\flbxgxxvvd.exe, PE32 11->31 dropped 14 flbxgxxvvd.exe 11->14         started        process5 signatures6 63 Antivirus detection for dropped file 14->63 65 Multi AV Scanner detection for dropped file 14->65 67 Tries to detect virtualization through RDTSC time measurements 14->67 17 flbxgxxvvd.exe 14->17         started        process7 signatures8 37 Modifies the context of a thread in another process (thread injection) 17->37 39 Maps a DLL or memory area into another process 17->39 41 Sample uses process hollowing technique 17->41 43 Queues an APC in another process (thread injection) 17->43 20 explorer.exe 17->20 injected process9 dnsIp10 33 www.dinart.biz 20->33 35 www.c181.xyz 20->35 53 System process connects to network (likely due to code injection or exploit) 20->53 55 Performs DNS queries to domains with low reputation 20->55 24 systray.exe 20->24         started        signatures11 process12 signatures13 57 Modifies the context of a thread in another process (thread injection) 24->57 59 Maps a DLL or memory area into another process 24->59 61 Tries to detect virtualization through RDTSC time measurements 24->61 27 cmd.exe 1 24->27         started        process14 process15 29 conhost.exe 27->29         started       
Detection:
formbook
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Link:
https://mwdb.cert.pl/sample/df9fe11c039698ca36c7d81bd75de8700aacb67e4ce98b9df0ceaa2fe6d2c623/
Threat name:
Win32.Trojan.NSISInject
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Status:
Malicious
First seen:
2022-03-21 11:56:15 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0736da1f42878cc4630f0b855fb638e76989fc53513fac93061cfdd49f9c94cf
Formbook
156b5c448e30912d7d21ca87fbb01a5c9006a3093c236e05809a4b4ecacd7400
Formbook
1a4c2314615f2ebf7a71d3da4a70f421c604daa81c51abd4c7f3625ebdace7a5
Formbook
4a0e9c1b5c23074112d8c5845451f43017d09ec024f1d993854e2fd43f8f2814
Formbook
75a17cb26bd616c7d7b48b0b3add3033b6cd8656d8d20a0618734a3850072632
Formbook
83ade97bc0f693761767e687204e11ba7bda7956db304f4a63ca56cab467bd1c
Formbook
84bf3eb0436e9203d62a0e5970410f73299731e4d711c3a88f52cef601246302
Formbook
945f67ae677681e14db036f753f47333556fea6f3837bef7399e440e6bc167d5
Formbook
c657108efc3f78a3052d15e5f2e8593181566f45c2c3e3316437bf7d6632095c
Formbook
ce7e5c68cfe5d7e602c698d10280cd44280e78dfa8ba0b549b90a4ba906ba84b
Formbook
+ 14'279 additional samples on MalwareBazaar
Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:sh30 rat spyware stealer trojan
Link:
https://tria.ge/reports/220321-p8n9escdb2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
Unpacked files
SH256 hash:
2cbc3cb3dca023cd777dfe527c65142563be7921324edb73ac5dc7e277c00a63
MD5 hash:
d2dc54376217aa3001b66f511bf65b8d
SHA1 hash:
2a38e80fcc05a6e440cf92d8c0a713f795acae44
Link:
https://www.unpac.me/results/784b60c6-b5d7-4a27-a439-c354c2cb000c/
SH256 hash:
a9dca9751247568fe5052da69c07b4fd3f29cd00dd7bc5f586bdf012bcb2a38c
MD5 hash:
29faa95144d2be61a86c36da75a4ea42
SHA1 hash:
5b32a30eb1e76a1a10895e509cdf70dfb6ac9a53
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/784b60c6-b5d7-4a27-a439-c354c2cb000c/
Parent samples :
df9fe11c039698ca36c7d81bd75de8700aacb67e4ce98b9df0ceaa2fe6d2c623
db1a111df60b02e8045e9ddd1a0134346f59c66148e2e00ed93ae8033eac5a9a
51ca9a86ecb638b2805cd27a752159a05d4a3317c11ea43fb0f0cca78601c8dc
8af7a60d92677f5acf259ab5b9f14b55c51c21248338bbdc9617c38fc4909631
7d5ffe72101db06ec8ef98e2a4d698cb4a7a2c430210bef73b837fe856a5cc34
1c2f6b38af555e63c11d8dd6bebf23031802d079556720108ba51d5d87418fdc
SH256 hash:
df9fe11c039698ca36c7d81bd75de8700aacb67e4ce98b9df0ceaa2fe6d2c623
MD5 hash:
4aa1142a3f569b23158f637ffb90d9ee
SHA1 hash:
9e9c1dd646db8575d8e67275b57349f26fbbc8c6
Link:
https://www.unpac.me/results/784b60c6-b5d7-4a27-a439-c354c2cb000c/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/df9fe11c0396/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.18
Link:
https://yomi.yoroi.company/submissions/df9fe11c039698ca36c7d81bd75de8700aacb67e4ce98b9df0ceaa2fe6d2c623

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:malware_Formbook_strings
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Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:win_formbook_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.formbook.

File information

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

Web download

Formbook

Executable exe df9fe11c039698ca36c7d81bd75de8700aacb67e4ce98b9df0ceaa2fe6d2c623

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/253600/
  
URLhaus
https://urlhaus.abuse.ch/url/2109128/

Comments


Avatar
zbet commented on 2022-03-21 12:59:11 UTC

url : hxxp://lutanedukasi.co.id/wp-includes/Fileo.exe