MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa2183d966ff4dc3eb176ad54c79b770e635e0c148b871a93b3d606e29882f38. 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: 6


Intelligence 6 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aa2183d966ff4dc3eb176ad54c79b770e635e0c148b871a93b3d606e29882f38
SHA3-384 hash: 0ab8d3faec04d24588b6fa763fbeca4c930f405eda8246e338df8819b669597add4fb4ce434a42f905ebbee169bf616c
SHA1 hash: 55ae7e821585fc86ce8e7bd52d312ba4c2619fa5
MD5 hash: 3c3dc15c9efd520d14ab734936793e96
humanhash: single-pluto-ten-sad
File name:OUR DETAILS RFQ.gz
Download: download sample
Signature Formbook
Create hunting rule
File size:625'759 bytes
First seen:2022-09-23 09:06:41 UTC
Last seen:Never
File type: gz
MIME type:application/x-rar
ssdeep 12288:YJwdsQJiO9HYVSjOspSpjHE+GkmriG90WLM2+YwJqwPlpK0Aoei:Y+3iKdsZkv7rifWj+YQ/Pl9p
TLSH T1F1D4236BD4A5196D771F91923151F785AB11C3030FE0EBE32A861C4ABB93AD77CCA06C
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:FormBook gz RFQ


Avatar
cocaman
Malicious email (T1566.001)
From: "PKB LTD <pekabesko@pekabesko.com.mk>" (likely spoofed)
Received: "from ns558992.ip-54-39-50.net (ns558992.ip-54-39-50.net [54.39.50.133]) "
Date: "13 Sep 2022 10:41:22 +0200"
Subject: "RE: RE:Request For Quote"
Attachment: "OUR DETAILS RFQ.gz"

Intelligence

File Origin
# of uploads :
1
# of downloads :
284
Origin country :
n/a
File Archive Information

This file archive contains 2 file(s), sorted by their relevance:

File name:OUR DETAILS RFQ.exe
File size:694'272 bytes
SHA256 hash: cd5be9697ae42581a073c8bb97da6b7d67becea5e83b4dc259b0e47ef54029d9
MD5 hash: def95cc14441827dc1422c235e2475b2
MIME type:application/x-dosexec
Signature Formbook
File name:32512
File size:20 bytes
SHA256 hash: d9489702c4ec2bb7fc0f6fd7d92729fc20ccb0b8f98c7df0f59a3959fe0f2eeb
MD5 hash: 83b03b0eddb43bd0094cba0cf56580c2
MIME type:application/octet-stream
Signature Formbook
Vendor Threat Intelligence
Gathering data
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.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/aa2183d966ff4dc3eb176ad54c79b770e635e0c148b871a93b3d606e29882f38/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-09-13 17:46:19 UTC
File Type:
Binary (Archive)
Extracted files:
2
AV detection:
24 of 39 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=viqyhwlg75g4h2yxnlkuy6nxodtdlygbjc4hdkj3hvqg4kmif44a._file
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook campaign:lsg6 rat spyware stealer trojan
Link:
https://tria.ge/reports/220923-k3bc6agce5/
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
Deletes itself
Formbook payload
Formbook
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/aa2183d966ff4dc3eb176ad54c79b770e635e0c148b871a93b3d606e29882f38

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
Create hunting rule
Rule name:RansomwareTest4
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest5
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest6
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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

gz aa2183d966ff4dc3eb176ad54c79b770e635e0c148b871a93b3d606e29882f38

(this sample)

Formbook

Executable exe cd5be9697ae42581a073c8bb97da6b7d67becea5e83b4dc259b0e47ef54029d9

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 cd5be9697ae42581a073c8bb97da6b7d67becea5e83b4dc259b0e47ef54029d9
  
Dropping
MD5 def95cc14441827dc1422c235e2475b2

Comments