MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6afa5e287f69f392b8481a94ebb1729c606a1f1023820e79e942ad40dfe96859. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
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SHA256 hash: 6afa5e287f69f392b8481a94ebb1729c606a1f1023820e79e942ad40dfe96859
SHA3-384 hash: 780f2c6bf03dfe394a4489b92c9e1a4ff611e9b71c6ef6297815a2909d75868dfa68da483a0fe9413602b8295f1d7777
SHA1 hash: d06143966b8ca02db582f5111fc275844796786f
MD5 hash: fd45ab42cffc17209261bff2430c8245
humanhash: monkey-skylark-stairway-failed
File name:Inv_7623980.exe
Download: download sample
Signature Formbook
Create hunting rule
File size:840'704 bytes
First seen:2021-07-28 05:43:04 UTC
Last seen:2021-07-28 18:17:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:vMrP7wwt12QLaX3miWy4hTniOHDA4HnIsNGEG9gfy27ONd+5nDCZ+ug3vI4SeZ91:ErP7ww4V4h2wChgfVu8q7mo5oFCEkv
Threatray 6'939 similar samples on MalwareBazaar
TLSH T181054BE93224736FF697C33DC4B41C5DAAE0706AC31A8757F533819A6A4C987FA150E2
Reporter cocaman
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
4
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Inv_7623980.exe
Verdict:
Malicious activity
Analysis date:
2021-07-28 05:46:12 UTC
Tags:
trojan formbook stealer
Link:
https://app.any.run/tasks/58364954-e21e-4c0f-b199-2334d4fb1e42

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/174572/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen3.1464.11063.13110.UNOFFICIAL
Create hunting rule

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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/eb506e44-9b66-45ce-bd19-86024d850518
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/822910
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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)
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
Sigma detected: Suspicious Process Start Without DLL
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
Writes to foreign memory regions
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 455322 Sample: Inv_7623980.exe Startdate: 28/07/2021 Architecture: WINDOWS Score: 100 32 www.zafav.xyz 2->32 34 www.nuturessoap.com 2->34 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 6 other signatures 2->52 11 Inv_7623980.exe 3 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\...\Inv_7623980.exe.log, ASCII 11->30 dropped 62 Writes to foreign memory regions 11->62 64 Injects a PE file into a foreign processes 11->64 15 RegSvcs.exe 11->15         started        signatures6 process7 signatures8 66 Modifies the context of a thread in another process (thread injection) 15->66 68 Maps a DLL or memory area into another process 15->68 70 Sample uses process hollowing technique 15->70 72 2 other signatures 15->72 18 explorer.exe 15->18 injected process9 dnsIp10 36 www.daiyncc.com 156.254.194.185, 49731, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 18->36 38 www.inverservi.com 69.49.115.40, 49724, 80 INFB2-ASUS United States 18->38 40 9 other IPs or domains 18->40 54 System process connects to network (likely due to code injection or exploit) 18->54 22 chkdsk.exe 12 18->22         started        signatures11 process12 dnsIp13 42 www.hizmetbasvuru-girisi.com 22->42 44 192.168.2.1 unknown unknown 22->44 56 Modifies the context of a thread in another process (thread injection) 22->56 58 Maps a DLL or memory area into another process 22->58 60 Tries to detect virtualization through RDTSC time measurements 22->60 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Gathering data
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2021-07-27 22:47:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
22 of 46 (47.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nl5f4kd7nhzzfocidkkoxmlstrqguhyqeoba46pjikwubx7jnbmq._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
790898f9518c146e7ffa430b975ee0f5bc162b6b5a5dba008e0572741312bc19
Formbook
81cbdffd1b44ca983180456d058b8eaadf51adbd19600dbbde68be7a4ef09a54
Formbook
89fd73d17d825a1e661f69b41ffd9fcd9f5a3d044159763cbc82ffd0210eb78a
Formbook
9eb08a4fd35569b3034dbe07ba5334ec8c5bfe262d589bb123e838dbcf688e08
Formbook
a9c3d37d324e9b6a0ebf9f9369c68cc288117edc4657d086b0fbc0cbafee9e64
Formbook
bc348990c0e735b8de2b3a92a45d1025d62b8e0ce23c364cdc9467aa566efc48
Formbook
c6a1a1a68b5faac43930deeab9cd6745bde62869786e21e0681b3dc0973afa80
Formbook
+ 6'929 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader loader rat suricata
Link:
https://tria.ge/reports/210728-hqc5h3t8y2/
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
Suspicious use of SetThreadContext
CustAttr .NET packer
Xloader Payload
Xloader
suricata: ET MALWARE FormBook CnC Checkin (GET)
Malware Config
C2 Extraction:
http://www.inverservi.com/m6b5/
Unpacked files
SH256 hash:
3d7aebc5f0493c028605673f6114e2340a528b3b485f84896e33688e470089f8
MD5 hash:
c09f91c4935fabda697e9435f0b6c18e
SHA1 hash:
43d58aa0c78c8025d7d3b494739a9b4acb7a9500
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/1660e5c0-3290-4c09-9f86-79c9a3bcc39d/
Parent samples :
3ad516ed1d59d2a83e03dd014de474999c1d20885639cd2f77c1108c636636df
81cbdffd1b44ca983180456d058b8eaadf51adbd19600dbbde68be7a4ef09a54
6afa5e287f69f392b8481a94ebb1729c606a1f1023820e79e942ad40dfe96859
1bc91158db7c9edb77fa2d26fda6efd017b8aa70c3bc68d5542059e3f44b9e77
7c071823d86f7f37eb038add1e274db23c722612d74602e11496d0b4e312103a
ffb4062f3105628be393872c098765b9a7736911cb8fee4ff571b006a891c8a8
18b7d102ed7c43b96306fcf3616a4e96add77a7d2c55296dd059f974ef8ddcf5
SH256 hash:
354e39fbf901d49e6fcb91ae75a93a9d1d47b87de1ff8e7298fcc3ee2464b2e3
MD5 hash:
9a92434d1f8c0faff449641de1c9aaac
SHA1 hash:
e821854ec4785ae0827fa6f6871dfaf1a507d3e4
Link:
https://www.unpac.me/results/1660e5c0-3290-4c09-9f86-79c9a3bcc39d/
SH256 hash:
49080716aec5de2e1a66a8f6913987dfcce73fa3ec82a311e4024c7e697c6c57
MD5 hash:
ad4c61228f623f9bccbc5c8ba5f1382c
SHA1 hash:
71aa397fb88a189d432c05a3240c27242b2db18f
Link:
https://www.unpac.me/results/1660e5c0-3290-4c09-9f86-79c9a3bcc39d/
SH256 hash:
97d2fa1d01b2f9a2199896e05e0cf60c14a9f41ef2d72e15fbb862b7afa08438
MD5 hash:
68463851c0e6fe7a254c99fae763d454
SHA1 hash:
4587a5371d88c296a0184fe47ee0c5245b187127
Link:
https://www.unpac.me/results/1660e5c0-3290-4c09-9f86-79c9a3bcc39d/
SH256 hash:
6afa5e287f69f392b8481a94ebb1729c606a1f1023820e79e942ad40dfe96859
MD5 hash:
fd45ab42cffc17209261bff2430c8245
SHA1 hash:
d06143966b8ca02db582f5111fc275844796786f
Link:
https://www.unpac.me/results/1660e5c0-3290-4c09-9f86-79c9a3bcc39d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/6afa5e287f69f392b8481a94ebb1729c606a1f1023820e79e942ad40dfe96859

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:pe_imphash
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Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

Formbook

rar fd44538306bd2862cfa6b1f7beac43d5736b43ffa070ea5c188573daf564fb00

Formbook

Executable exe 6afa5e287f69f392b8481a94ebb1729c606a1f1023820e79e942ad40dfe96859

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 fd44538306bd2862cfa6b1f7beac43d5736b43ffa070ea5c188573daf564fb00
Cape
Cape
https://www.capesandbox.com/analysis/174572/

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