MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f20e2327d657f10f7ef2b18098a4c1c9f3ec67585030d83d75aa16c9bcd4ead. 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: 7


Intelligence 7 IOCs YARA 17 File information Comments

SHA256 hash: 6f20e2327d657f10f7ef2b18098a4c1c9f3ec67585030d83d75aa16c9bcd4ead
SHA3-384 hash: 5d5558e5c48ddfb6153b894051027706e311c058caac51d93811ae2180b81388a2e70d3ff89cdc1dc06232ade6f103d2
SHA1 hash: 666f629494296144d32194391249dd06a4d9ee6e
MD5 hash: 8ce965eed4a01d81008a69c12c143f5a
humanhash: uranus-wisconsin-bravo-william
File name:Purchase Order#TST986401.zip
Download: download sample
Signature Formbook
File size:374'749 bytes
First seen:2023-09-28 10:53:49 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 6144:WX2rMRJtkcRpIpGFw67F8nl7fz431X0Gp96attokz4LRILfcZTnAdbhAsn0Y3i85:Q2rMRJ66IppcFSl7o1Ee1jqILEZ2Ks0K
TLSH T130842276F4D96B78748CBDF8ADB33045A0F2D4AA4F38091184139AF43CB7F659B05A92
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:FormBook RFQ zip


Avatar
cocaman
Malicious email (T1566.001)
From: "Nguyen Tu Uyen <roydah.mambwe@nhima.co.zm>" (likely spoofed)
Received: "from [193.42.32.245] (unknown [193.42.32.245]) "
Date: "28 Sep 2023 12:53:06 +0200"
Subject: "RE: PO//:RFQ 110123(MECH)NBI/SEPT 9-23"
Attachment: "Purchase Order#TST986401.zip"

Intelligence


File Origin
# of uploads :
1
# of downloads :
101
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:Purchase Order#TST986401.exe
File size:388'415 bytes
SHA256 hash: 50f83575bd53ca54e6cccc82a0c6e2cf51947f2af2284701916e87500271e0e1
MD5 hash: 0ff6eff785289f284b90c834e93cefc7
MIME type:application/x-dosexec
Signature Formbook
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  5/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed shell32
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.
Threat name:
Win32.Trojan.Zmutzy
Status:
Malicious
First seen:
2023-09-28 10:53:52 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Gathers network information
Modifies Internet Explorer settings
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
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Please note that we are no longer able to provide a coverage score for Virus Total.

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:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Formbook
Author:@malgamy12
Rule name:Windows_Trojan_Formbook_1112e116
Author:Elastic Security
Rule name:win_formbook_g0
Author:Slavo Greminger, SWITCH-CERT
Rule name:win_formbook_w0
Author:@malgamy12

File information


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

Malspam

Formbook

zip 6f20e2327d657f10f7ef2b18098a4c1c9f3ec67585030d83d75aa16c9bcd4ead

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments