MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f8faf1ca8d3262940620bcb00487188e8657336cc3cb498ba4ad90ae96a59af. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9f8faf1ca8d3262940620bcb00487188e8657336cc3cb498ba4ad90ae96a59af
SHA3-384 hash: 6249a33254488c85032cc9b25ac2b065c37150670c344854de42eab8e361ad935f01b367543050a528250f34edeb68f8
SHA1 hash: 97c25c260a54bf4f7175603c04ddf10a069bbe01
MD5 hash: 6931742f8874e163456f0a3f08a49872
humanhash: sweet-georgia-berlin-green
File name:rrkk400123.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:238'383 bytes
First seen:2021-08-18 20:54:33 UTC
Last seen:2021-08-18 21:58:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 987efec7b4ce55d90da19b9e2ec8d4da (4 x Formbook)
ssdeep 6144:S7CccccccccccccccEmAn3/FWdYYpi7aLk9W+uZgat76m4pC2ccZCGG:S7CccccccccccccccRA3/FWdTi7a+xaF
Threatray 1 similar samples on MalwareBazaar
TLSH T153341292E35C0B0CD4738871C45630BE72556F7204FF4AB393D8BAAF56F69E14464BA2
Reporter malwarelabnet
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
115
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rrkk400123.exe
Verdict:
Malicious activity
Analysis date:
2021-08-18 20:57:51 UTC
Tags:
trojan formbook stealer covid19
Link:
https://app.any.run/tasks/ea49c139-0308-4b68-bb1b-e7446cbc6b6b

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/180465/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.43330.9890.3161.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
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.
Malware family:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/64c0464b-47f5-4dd7-b4be-da48682a1787
Result
Threat name:
Unknown
Detection:
suspicious
Classification:
n/a
Score:
23 / 100
Link:
https://www.joesandbox.com/analysis/835390
Signature
Machine Learning detection for sample
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 467821 Sample: rrkk400123.exe Startdate: 18/08/2021 Architecture: WINDOWS Score: 23 13 Machine Learning detection for sample 2->13 6 rrkk400123.exe 2->6         started        process3 process4 8 WerFault.exe 23 9 6->8         started        file5 11 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 8->11 dropped
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9f8faf1ca8d3262940620bcb00487188e8657336cc3cb498ba4ad90ae96a59af/
Threat name:
Win32.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-08-18 19:29:07 UTC
AV detection:
13 of 27 (48.15%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=t6h26hfi2mtcsqdcbpfqasdrrdugk4zwzq6ljgf2jlmqv2lklgxq._file
Verdict:
unknown
Similar samples:
1736c3f3d740011ba6f6d8f18def38d20f0bcbf88c3f69821db18578bc00590a
Formbook
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:k1rc rat spyware stealer trojan
Link:
https://tria.ge/reports/210818-ztd1g1q96e/
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
Program crash
Suspicious use of SetThreadContext
Deletes itself
Formbook Payload
Formbook
Malware Config
C2 Extraction:
http://www.fbrblog.com/k1rc/
Unpacked files
SH256 hash:
af4866e6995a9fee2a6c7e5c6e1bcda196c1174740a8b13b74adcf28de1ad0df
MD5 hash:
1631da1a076efcd8bd8fd111724b99ce
SHA1 hash:
01f1909cbe6f944862657ed8aa5d3db84a4a6ae3
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/83542e2e-16ad-4a9f-8a64-69feacda6c7e/
Parent samples :
0fd4759551d1a32568250aac71951d0eec9d673e205644a45e9cbf2192de2c40
d12401aff6e577ad268923a0310d09931870ad0f5c557245376ca0487e4be96d
497d83f4debdbc49d2cfb27433de383cd4aac3061bde01e4799d0274a3ef5615
9f8faf1ca8d3262940620bcb00487188e8657336cc3cb498ba4ad90ae96a59af
42f8e33a2ee49ddb75c5e436fb1c9279afb9f19b93103fb0a55304447a64eb4d
c2bde78efbaeb33b33e000a332b10191adf6c2b1e5d30d8cb3a9042419e97922
SH256 hash:
9f8faf1ca8d3262940620bcb00487188e8657336cc3cb498ba4ad90ae96a59af
MD5 hash:
6931742f8874e163456f0a3f08a49872
SHA1 hash:
97c25c260a54bf4f7175603c04ddf10a069bbe01
Link:
https://www.unpac.me/results/83542e2e-16ad-4a9f-8a64-69feacda6c7e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.13
Link:
https://yomi.yoroi.company/submissions/9f8faf1ca8d3262940620bcb00487188e8657336cc3cb498ba4ad90ae96a59af

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/180465/

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