MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f2d973372cb16c6b4a4ea6a6dd1d2bc5382218528e084b233becb39ce8278201. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f2d973372cb16c6b4a4ea6a6dd1d2bc5382218528e084b233becb39ce8278201
SHA3-384 hash: 5d467e26e583fa5edad94088d20fc5db80e841ed3cdd200c9f5683227951e0fda223a16b5912e1d8b166b8a15a4ad74c
SHA1 hash: 1c97b6598d4591edf8976152645f80d1ad02321e
MD5 hash: 255d9eded8aa5abfde5c55913b5305b6
humanhash: william-colorado-sad-purple
File name:ikrtf.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:277'069 bytes
First seen:2022-04-13 13:18:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (728 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 6144:HNeZmy4wpW8PsXnAzofaOhmi2UzYdGUnTictD4z0Qy2MB:HNly4wpdP+AsSOhhzf5ctDE0QK
Threatray 12'283 similar samples on MalwareBazaar
TLSH T1BF44121DABF0C847E4A24A324C7A67356FC961167030E7AB57101F9CFF336439A6971A
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
1
# of downloads :
395
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
formbook
Create hunting rule
ID:
1
File name:
ikrtf.exe
Verdict:
Malicious activity
Analysis date:
2022-04-13 13:22:15 UTC
Tags:
formbook trojan stealer
Link:
https://app.any.run/tasks/1a0abe3b-638e-439c-951f-533a0797c5f3

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/263446/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.2.6896.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/13768/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6256cdcaffe27d5119c20c3e/reports/3627776f-3df0-4d67-91b4-72fd6d7b10a4/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/30d85176-8a79-44b7-bdbf-3972246e9cc0
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/976212
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 608699 Sample: ikrtf.exe Startdate: 13/04/2022 Architecture: WINDOWS Score: 88 18 Found malware configuration 2->18 20 Malicious sample detected (through community Yara rule) 2->20 22 Antivirus detection for URL or domain 2->22 24 4 other signatures 2->24 7 ikrtf.exe 18 2->7         started        process3 file4 16 C:\Users\user\AppData\Local\...\unykcdi.exe, PE32 7->16 dropped 10 unykcdi.exe 1 7->10         started        process5 process6 12 conhost.exe 10->12         started        14 unykcdi.exe 10->14         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f2d973372cb16c6b4a4ea6a6dd1d2bc5382218528e084b233becb39ce8278201/
Threat name:
Win32.Trojan.NSISInject
Create hunting rule
Status:
Malicious
First seen:
2022-04-13 13:18:41 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
62424987a0d469d53ae497119ed47d19dab043a56d4526237c5c355f173f385c
Formbook
83ade97bc0f693761767e687204e11ba7bda7956db304f4a63ca56cab467bd1c
Formbook
afa78bcaf75938acfd9cad522dbe582d2997eae52d9f7d8b4acc6b66e10c632e
Formbook
b7cf8d9d8db4c5eaf796d35251bfc2b24f34c2c77d2ca82a1ebf470323c0894f
Formbook
d7187929900556d8d5bdce069527f8649e36e52498b210ab2b6fa5f89d85aa28
Formbook
+ 12'273 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:i1a6 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220413-qkg1wacbfl/
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
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
Loads dropped DLL
Executes dropped EXE
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
b716adfd6c6e9d5d7608e9410af4cecdbc6eced1256831f54165b9a34cf29f1d
MD5 hash:
a64cbf948abdacf062b808e2902b4e37
SHA1 hash:
8e3d627c8d4f01f9bd6822cab86550a6b9640513
Link:
https://www.unpac.me/results/37f1e7e5-4c36-4897-9ede-37a69a33775f/
Parent samples :
cc7308b7f5cd8fdd0916e83b1463f989c3aa03ef2516c6f2a24db3ebe62a41f3
bc3b273da5373209066dfd2c0e491802ed63ba76839e25cd1e50ca247af3c96b
afa78bcaf75938acfd9cad522dbe582d2997eae52d9f7d8b4acc6b66e10c632e
SH256 hash:
ea7bef18a1aa347324f11b7ab9248ee4609deb549cfeee81eb02b44e45276dfa
MD5 hash:
e2079e40e47cf589c69fdfad44a8dcc7
SHA1 hash:
4cc28d35c7781b213b47ccc5c43c4436b0595d12
Link:
https://www.unpac.me/results/37f1e7e5-4c36-4897-9ede-37a69a33775f/
SH256 hash:
f2d973372cb16c6b4a4ea6a6dd1d2bc5382218528e084b233becb39ce8278201
MD5 hash:
255d9eded8aa5abfde5c55913b5305b6
SHA1 hash:
1c97b6598d4591edf8976152645f80d1ad02321e
Link:
https://www.unpac.me/results/37f1e7e5-4c36-4897-9ede-37a69a33775f/
Malware family:
FormBook
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f2d973372cb1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f2d973372cb16c6b4a4ea6a6dd1d2bc5382218528e084b233becb39ce8278201

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
Create hunting rule
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/263446/
  
URLhaus
https://urlhaus.abuse.ch/url/2145423/

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